{"id":2257,"date":"2022-11-20T14:22:00","date_gmt":"2022-11-20T06:22:00","guid":{"rendered":"https:\/\/www.qhsmt.com\/?p=2257"},"modified":"2023-05-13T09:41:29","modified_gmt":"2023-05-13T01:41:29","slug":"smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux","status":"publish","type":"post","link":"https:\/\/www.qhsmt.com\/zh\/2022\/11\/20\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\/","title":{"rendered":"How to choose solder paste and flux in SMT patch?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell  you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux?<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Distinguish product positioning and differentiate treatment<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">aThe product has high added value and high stability requirements, so choose high-quality solder paste (R-grade).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b If it is exposed to the air for a long time, anti-oxidation (RA grade) is required.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c For low-end products and consumer goods, those who do not have high requirements for product quality, choose solder paste (RMA) with similar quality and low price.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Device material and PCB pad material<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">aThe solder paste of 63Sn\/37Pb should be selected if the material of the PCB pad is lead tin-plated.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b Devices with poor solderability should use 62Sn\/36Pb\/2Ag.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Different choices of different processes<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">a Lead-free process generally chooses Sn-Ag-Cu alloy solder.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">bNo-clean products choose weak corrosive no-clean solder paste.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Welding temperature<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">aThe soldering of thermal devices with poor high temperature resistance should choose low melting point solder paste containing Bi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">bHigh temperature components must choose high melting point solder paste.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"556\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c.jpg\" alt=\"There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell  you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux?\" class=\"wp-image-2259\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c.jpg 1024w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c-750x407.jpg 750w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c-768x417.jpg 768w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c-133x72.jpg 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c-235x128.jpg 235w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c-480x261.jpg 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c-740x402.jpg 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/10\/a-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine_\u526f\u672c-600x326.jpg 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">As the requirements for environmental protection standards are getting higher and higher, the selection of smt chip processing auxiliary materials such as solder paste also has corresponding environmental protection grade requirements, and the application of more lead-free solder paste and no-clean solder paste is becoming more and more popular and applied.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The above is the author from qihe smt pick and place machine wants to sharing with you. If there is some inappropriate content .I hope you can leave a message to tell me and communicate with each other.<br>you can choose a reflow oven to meets your need like qfr630,qrf835,qrf1235<br>stencil printer model qh3040,qp3250,qfa5060<br>Also we have different kinds of smt pick and place machine like tvm802a,tvm802b,tvm802ax,tvm802bx,tvm925s,tvm926s,ql41,qm61,qm62,qm81,qm10<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"client feedback TVM925  production line several sets\" width=\"820\" height=\"461\" src=\"https:\/\/www.youtube.com\/embed\/WTtMi4oJoHU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Qihe SMT pick and place machine catalog<\/h2>\n\n\n<div data-block-name=\"woocommerce\/product-category\" data-categories=\"[15,57,53]\" class=\"wc-block-grid wp-block-product-category wc-block-product-category has-3-columns has-multiple-rows\"><ul class=\"wc-block-grid__products\"><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/benchtop-manual-smt-frameless-pcb-solder-paste-stencil-printer-printing-machine\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/BB0A9B8B1412089AF6AB7C4FB7C82DFD-1-300x300.jpg\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Benchtop Manual Smt Frameless PCB Solder Paste Stencil Printer Printing Machine\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/BB0A9B8B1412089AF6AB7C4FB7C82DFD-1-300x300.jpg 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/BB0A9B8B1412089AF6AB7C4FB7C82DFD-1-400x400.jpg 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/BB0A9B8B1412089AF6AB7C4FB7C82DFD-1-90x90.jpg 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/BB0A9B8B1412089AF6AB7C4FB7C82DFD-1-480x480.jpg 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/BB0A9B8B1412089AF6AB7C4FB7C82DFD-1-100x100.jpg 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Benchtop Manual Smt Frameless PCB Solder Paste Stencil Printer Printing Machine<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/benchtop-manual-smt-frameless-pcb-solder-paste-stencil-printer-printing-machine\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cBenchtop Manual Smt Frameless PCB Solder Paste Stencil Printer Printing Machine\u201d\" data-quantity=\"1\" data-product_id=\"7003\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/smt-manual-frameless-pcb-solder-paste-stencil-printer\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/8faf33ca071fa856257cea836c4de4b4-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"SMT Manual Frameless Pcb Solder Paste Stencil Printer\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/8faf33ca071fa856257cea836c4de4b4-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/8faf33ca071fa856257cea836c4de4b4-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/8faf33ca071fa856257cea836c4de4b4-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/8faf33ca071fa856257cea836c4de4b4-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/8faf33ca071fa856257cea836c4de4b4-100x100.png 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">SMT Manual Frameless Pcb Solder Paste Stencil Printer<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/smt-manual-frameless-pcb-solder-paste-stencil-printer\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cSMT Manual Frameless Pcb Solder Paste Stencil Printer\u201d\" data-quantity=\"1\" data-product_id=\"6971\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/smt-frameless-steel-stencil-screen-printing-table\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"SMT frameless steel stencil screen printing table\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-750x750.png 750w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-768x768.png 768w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-133x133.png 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-235x235.png 235w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-740x740.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-600x600.png 600w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31-100x100.png 100w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2026\/01\/\u5fae\u4fe1\u56fe\u7247_20260113110602_321_31.png 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">SMT frameless steel stencil screen printing table<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/smt-frameless-steel-stencil-screen-printing-table\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cSMT frameless steel stencil screen printing table\u201d\" data-quantity=\"1\" data-product_id=\"6946\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/nitrogen-generator-used-for-selective-welding\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Nitrogen generator, used for selective welding\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-133x134.png 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-740x740.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/\u5236\u6c2e\u673a1-100x100.png 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Nitrogen generator, used for selective welding<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/nitrogen-generator-used-for-selective-welding\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cNitrogen generator, used for selective welding\u201d\" data-quantity=\"1\" data-product_id=\"6863\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/desktop-selection-welding-qso-300b\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Desktop selection welding QSO-300B\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-133x134.png 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-740x740.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/12\/2-100x100.png 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Desktop selection welding QSO-300B<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/desktop-selection-welding-qso-300b\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cDesktop selection welding QSO-300B\u201d\" data-quantity=\"1\" data-product_id=\"6829\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/desktop-selective-wave-soldering-machine-qh-shss341\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Desktop Selective Wave Soldering Machine QH-SHSS341\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-133x134.png 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-740x740.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-3-100x100.png 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Desktop Selective Wave Soldering Machine QH-SHSS341<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/desktop-selective-wave-soldering-machine-qh-shss341\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cDesktop Selective Wave Soldering Machine QH-SHSS341\u201d\" data-quantity=\"1\" data-product_id=\"6812\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/smt-semi-automatic-pick-and-place-machine-with-dispenser\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"SMT semi-automatic pick and place machine with Dispenser\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-133x134.png 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-740x740.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/11\/3-1-100x100.png 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">SMT semi-automatic pick and place machine with Dispenser<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/smt-semi-automatic-pick-and-place-machine-with-dispenser\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cSMT semi-automatic pick and place machine with Dispenser\u201d\" data-quantity=\"1\" data-product_id=\"6771\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/qihe-series-wave-soldering-machine\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/LT-series-DIP-wave-soldering-machine-2-1-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"QiHe series wave soldering machine\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/LT-series-DIP-wave-soldering-machine-2-1-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/LT-series-DIP-wave-soldering-machine-2-1-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/LT-series-DIP-wave-soldering-machine-2-1-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/LT-series-DIP-wave-soldering-machine-2-1-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/LT-series-DIP-wave-soldering-machine-2-1-740x740.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/LT-series-DIP-wave-soldering-machine-2-1-100x100.png 100w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">QiHe series wave soldering machine<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/qihe-series-wave-soldering-machine\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cQiHe series wave soldering machine\u201d\" data-quantity=\"1\" data-product_id=\"6687\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.qhsmt.com\/zh\/product\/high-speed-off-line-selective-wave-soldering-qso-300\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-300x300.png\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"High-speed off-line selective wave soldering QSO-300\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-300x300.png 300w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-750x750.png 750w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-400x400.png 400w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-768x767.png 768w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-90x90.png 90w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-133x133.png 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-235x235.png 235w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-480x480.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-740x740.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-600x599.png 600w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2-100x100.png 100w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2025\/06\/\u9996\u56fe2.png 863w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">High-speed off-line selective wave soldering QSO-300<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.qhsmt.com\/zh\/product\/high-speed-off-line-selective-wave-soldering-qso-300\/\" aria-label=\"\u8be6\u7ec6\u4e86\u89e3 \u201cHigh-speed off-line selective wave soldering QSO-300\u201d\" data-quantity=\"1\" data-product_id=\"6677\" data-product_sku=\"\" rel=\"nofollow\" class=\"wp-block-button__link wp-element-button add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">\u9605\u8bfb\u66f4\u591a<\/a><\/div>\n\t\t\t<\/li><\/ul><\/div>\n\n\n<h3 class=\"wp-block-heading\">FAQ for smt pick and place machine<\/h3>\n\n\n\n<div data-schema-only=\"false\" class=\"wp-block-aioseo-faq\"><h3 class=\"aioseo-faq-block-question\">WHAT IS SMT pick and place machine\uff1f<\/h3><div class=\"aioseo-faq-block-answer\">\n<p class=\"wp-block-paragraph\">SMT (Surface Mounted Technology) is a comprehensive system engineering technology, which covers substrates, design, equipment, components, assembly processes, production accessories and management. When it comes to SMT pick and place machines, the automatic SMT production line requires automatic loading and unloading machine, automatic solder paste printing machine, placement machine, reflow soldering machine, AOI inspection equipment, connecting table, etc. For these SMT assembly line equipment, Qihe SMT can offer you machines in prototype SMT line, small SMT production line, mass production SMT line at low SMT line cost. Contact us now if you are interested.<\/p>\n<\/div><\/div>\n\n\n\n<div data-schema-only=\"false\" class=\"wp-block-aioseo-faq\"><h3 class=\"aioseo-faq-block-question\">WHAT IS SMT ASSEMBLY LINE\uff1f<\/h3><div class=\"aioseo-faq-block-answer\">\n<p class=\"wp-block-paragraph\">With the development of technology, future electronic products will be lighter, smaller and thinner. Traditional assembly technology can no longer meet the requirements of high-precision and high-density assembly. A new type of PCB assembly technology-SMT (Surface Mount Technology) has emerged. SMT Assembly is the use of automated machines to assemble electronic components on the surface of the circuit board. Its density, high speed, standardization and other characteristics occupies an absolute advantage in the field of circuit assembly technology. In addition, SMT assembly has a wide range of uses.<\/p>\n<\/div><\/div>\n\n\n\n<div data-schema-only=\"false\" class=\"wp-block-aioseo-faq\"><h3 class=\"aioseo-faq-block-question\">WHAT IS SMT PROCESS\uff1f<\/h3><div class=\"aioseo-faq-block-answer\">\n<p class=\"wp-block-paragraph\">There are mainly three steps in SMT assembly line process flow\uff1a solder paste printing, components placement and reflow soldering.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Solder Paste Printing<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Its function in SMT line process is to print the solder-free paste on the pads of the PCB to prepare for the soldering of the components. The equipment used is a screen printing machine, located at the forefront of the SMT production line.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Components Placement<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Its function is to accurately install the surface mount components on the fixed position of the PCB. The equipment used is a placement machine, located behind the screen printing machine in the SMT production line.<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\">\n<li>Reflow Soldering<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Its function in SMT manufacturing line is to melt the solder paste so that the surface mount components and the PCB board are firmly bonded together. The equipment used is a reflow oven, located behind the placement machine in the fully automatic SMT production line.<\/p>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"1024\" height=\"37\" src=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12.png\" alt=\"solder paste machine,\" class=\"wp-image-3845\" srcset=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12.png 1024w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12-750x27.png 750w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12-768x28.png 768w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12-133x5.png 133w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12-235x8.png 235w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12-480x17.png 480w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12-740x27.png 740w, https:\/\/www.qhsmt.com\/wp-content\/uploads\/2023\/05\/www.qhsmt_.com-line-12-600x22.png 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>","protected":false},"excerpt":{"rendered":"<p>There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell  you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux?<\/p>","protected":false},"author":1,"featured_media":2258,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[46],"tags":[76,87,136,99,77,214,100,142,208,294,102],"class_list":["post-2257","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-knowledge","tag-automatic-pick-and-place-machine","tag-pick-and-place-machine","tag-pnp-machine","tag-qihe","tag-qm61","tag-reflow-oven","tag-small-pick-and-place-machine","tag-smt","tag-smt-pick-and-place-machine","tag-solder-paste","tag-tvm802b"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux? solder paste machine,\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"qihe\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.qhsmt.com\/zh\/2022\/11\/20\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO Pro (AIOSEO) 5.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"zh_CN\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Smt pick and place machine, Stencil Printer, Reflow Oven Manufacturers - Qihe Electrical Technology Co., Ltd.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to choose solder paste and flux in SMT patch? - Smt pick and place machine, Stencil Printer, Reflow Oven Manufacturers\" \/>\n\t\t<meta property=\"og:description\" content=\"There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux? solder paste machine,\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.qhsmt.com\/zh\/2022\/11\/20\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/07\/logo201905271309541881444.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/07\/logo201905271309541881444.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-11-20T06:22:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2023-05-13T01:41:29+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to choose solder paste and flux in SMT patch? - Smt pick and place machine, Stencil Printer, Reflow Oven Manufacturers\" \/>\n\t\t<meta name=\"twitter:description\" content=\"There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux? solder paste machine,\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/07\/logo201905271309541881444.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/2022\\\/11\\\/20\\\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\\\/aioseo-article-63a002a90c4fc\",\"name\":\"How to choose solder paste and flux in SMT patch?\",\"headline\":\"How to choose solder paste and flux in SMT patch?\",\"description\":\"There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell  you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux?\",\"author\":{\"@type\":\"Person\",\"name\":\"qihe\",\"url\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/author\\\/qihe\\\/\"},\"publisher\":{\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/#organization\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/www.qhsmt.com\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/c-How-to-choose-solder-paste-and-flux-in-SMT-patch-qihe-smt-pick-and-place-machine.jpg\",\"width\":1024,\"height\":556,\"caption\":\"pnp machine,chip mounter,smt line,pick and place machine,pick and place robot,desktop pick and place machine,used pick and place machine,small pick and place machine,chip shooter,smt equipment,smt machine,openpnp,pcb printer,reflow oven,smt pick and place machine, stock in eu,feeder,smt assembly,pcb assembly,smd chip shooter,tvm802a,tvm802b,tvm802ax,tvm802bx,tvm802c,tvm802d, tvm802a s,tvm802b s,ql41,qm41,tvm925,tvm926,qm61,qm81,qm10 qhsmt\"},\"datePublished\":\"2022-11-20T14:22:00+08:00\",\"dateModified\":\"2023-05-13T09:41:29+08:00\",\"inLanguage\":\"zh-CN\",\"articleSection\":\"Industry knowledge, automatic pick and place machine, pick and place machine, pnp machine, qihe, qm61, reflow oven, small pick and place machine, smt, SMT pick and place machine, solder paste, tvm802b\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/2022\\\/11\\\/20\\\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/industry-knowledge\\\/#listItem\",\"name\":\"Industry knowledge\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/industry-knowledge\\\/#listItem\",\"position\":2,\"name\":\"Industry knowledge\",\"item\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/industry-knowledge\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/2022\\\/11\\\/20\\\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\\\/#listItem\",\"name\":\"How to choose solder paste and flux in SMT patch?\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/2022\\\/11\\\/20\\\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\\\/#listItem\",\"position\":3,\"name\":\"How to choose solder paste and flux in SMT patch?\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/industry-knowledge\\\/#listItem\",\"name\":\"Industry knowledge\"}}]},{\"@type\":\"FAQPage\",\"@id\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/2022\\\/11\\\/20\\\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\\\/#faq\",\"url\":\"https:\\\/\\\/www.qhsmt.com\\\/zh\\\/2022\\\/11\\\/20\\\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\\\/\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"WHAT IS SMT pick and place machine\\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>SMT (Surface Mounted Technology) is a comprehensive system engineering technology, which covers substrates, design, equipment, components, assembly processes, production accessories and management. When it comes to SMT pick and place machines, the automatic SMT production line requires automatic loading and unloading machine, automatic solder paste printing machine, placement machine, reflow soldering machine, AOI inspection equipment, connecting table, etc. For these SMT assembly line equipment, Qihe SMT can offer you machines in prototype SMT line, small SMT production line, mass production SMT line at low SMT line cost. Contact us now if you are interested.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"WHAT IS SMT ASSEMBLY LINE\\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>With the development of technology, future electronic products will be lighter, smaller and thinner. Traditional assembly technology can no longer meet the requirements of high-precision and high-density assembly. A new type of PCB assembly technology-SMT (Surface Mount Technology) has emerged. SMT Assembly is the use of automated machines to assemble electronic components on the surface of the circuit board. Its density, high speed, standardization and other characteristics occupies an absolute advantage in the field of circuit assembly technology. In addition, SMT assembly has a wide range of uses.<\\\/p>\"}},{\"@type\":\"Question\",\"name\":\"WHAT IS SMT PROCESS\\uff1f\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"<p>There are mainly three steps in SMT assembly line process flow\\uff1a solder paste printing, components placement and reflow soldering.<\\\/p> <ol> <li>Solder Paste Printing<\\\/li> <\\\/ol> <p>Its function in SMT line process is to print the solder-free paste on the pads of the PCB to prepare for the soldering of the components. 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- Smt pick and place machine, Stencil Printer, Reflow Oven Manufacturers","og:description":"There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux? solder paste machine,","og:url":"https:\/\/www.qhsmt.com\/zh\/2022\/11\/20\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\/","og:image":"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/07\/logo201905271309541881444.png","og:image:secure_url":"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/07\/logo201905271309541881444.png","article:published_time":"2022-11-20T06:22:00+00:00","article:modified_time":"2023-05-13T01:41:29+00:00","twitter:card":"summary_large_image","twitter:title":"How to choose solder paste and flux in SMT patch? - Smt pick and place machine, Stencil Printer, Reflow Oven Manufacturers","twitter:description":"There are many factors that can affect the final quality of the SMT patch, such as: the quality of the patch components, the quality of the pads of the pcb circuit board, solder paste, solder paste printing, the placement accuracy of the placement machine, Furnace temperature curve adjustment for reflow soldering, etc. So, author from qihe smt pick and place machine tell you about the most commonly used auxiliary materials in SMT patches: how to choose solder paste and flux? solder paste machine,","twitter:image":"https:\/\/www.qhsmt.com\/wp-content\/uploads\/2022\/07\/logo201905271309541881444.png"},"aioseo_meta_data":{"post_id":"2257","title":null,"description":"#post_excerpt solder paste machine,","keywords":[],"keyphrases":{"focus":{"keyphrase":"smt pick and place machine","score":95,"analysis":{"keyphraseInTitle":{"score":9,"maxScore":9,"error":0},"keyphraseInDescription":{"score":9,"maxScore":9,"error":0},"keyphraseLength":{"score":6,"maxScore":9,"error":1,"length":5},"keyphraseInURL":{"score":5,"maxScore":5,"error":0},"keyphraseInIntroduction":{"score":9,"maxScore":9,"error":0},"keyphraseInSubHeadings":{"score":9,"maxScore":9,"error":0},"keyphraseInImageAlt":{"score":9,"maxScore":9,"error":0}}},"additional":[{"keyphrase":"solder paste machine","score":83,"analysis":{"keyphraseInDescription":{"score":9,"maxScore":9,"error":0},"keyphraseLength":{"score":9,"maxScore":9,"error":0,"length":3},"keyphraseInIntroduction":{"score":3,"maxScore":9,"error":1},"keyphraseInImageAlt":{"score":9,"maxScore":9,"error":0}}}]},"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":"","og_custom_url":null,"og_article_section":null,"og_article_tags":[],"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[{"hidden":false,"question":"WHAT IS SMT pick and place machine\uff1f","schemaBlockId":"aioseo-l9ta82ot","tagName":"h3","answer":"<p>SMT (Surface Mounted Technology) is a comprehensive system engineering technology, which covers substrates, design, equipment, components, assembly processes, production accessories and management. When it comes to SMT pick and place machines, the automatic SMT production line requires automatic loading and unloading machine, automatic solder paste printing machine, placement machine, reflow soldering machine, AOI inspection equipment, connecting table, etc. For these SMT assembly line equipment, Qihe SMT can offer you machines in prototype SMT line, small SMT production line, mass production SMT line at low SMT line cost. Contact us now if you are interested.<\/p>","type":"aioseo\/faq"},{"hidden":false,"question":"WHAT IS SMT ASSEMBLY LINE\uff1f","schemaBlockId":"aioseo-l9ta8dzn","tagName":"h3","answer":"<p>With the development of technology, future electronic products will be lighter, smaller and thinner. Traditional assembly technology can no longer meet the requirements of high-precision and high-density assembly. A new type of PCB assembly technology-SMT (Surface Mount Technology) has emerged. SMT Assembly is the use of automated machines to assemble electronic components on the surface of the circuit board. Its density, high speed, standardization and other characteristics occupies an absolute advantage in the field of circuit assembly technology. In addition, SMT assembly has a wide range of uses.<\/p>","type":"aioseo\/faq"},{"hidden":false,"question":"WHAT IS SMT PROCESS\uff1f","schemaBlockId":"aioseo-l9ta8owv","tagName":"h3","answer":"<p>There are mainly three steps in SMT assembly line process flow\uff1a solder paste printing, components placement and reflow soldering.<\/p> <ol> <li>Solder Paste Printing<\/li> <\/ol> <p>Its function in SMT line process is to print the solder-free paste on the pads of the PCB to prepare for the soldering of the components. The equipment used is a screen printing machine, located at the forefront of the SMT production line.<\/p> <ol> <li>Components Placement<\/li> <\/ol> <p>Its function is to accurately install the surface mount components on the fixed position of the PCB. The equipment used is a placement machine, located behind the screen printing machine in the SMT production line.<\/p> <ol> <li>Reflow Soldering<\/li> <\/ol> <p>Its function in SMT manufacturing line is to melt the solder paste so that the surface mount components and the PCB board are firmly bonded together. 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The equipment used is a reflow oven, located behind the placement machine in the fully automatic SMT production line.<\\\/p>\",\"type\":\"aioseo\\\/faq\"}]}","pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":"-1","robots_max_videopreview":"-1","robots_max_imagepreview":"large","priority":null,"frequency":"default","local_seo":null,"seo_analyzer_scan_date":"2026-06-24 05:30:54","breadcrumb_settings":null,"limit_modified_date":false,"open_ai":null,"ai":null,"created":"2022-10-29 02:19:26","updated":"2026-06-24 05:30:54","focus_keyword":"smt pick and place machine","additional_keywords":[{"word":"solder paste machine","score":83}],"truseo_locale":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.qhsmt.com\/zh\" title=\"Home\">Home<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&rsaquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t<a href=\"https:\/\/www.qhsmt.com\/zh\/industry-knowledge\/\" title=\"Industry knowledge\">Industry knowledge<\/a>\n<\/span><span class=\"aioseo-breadcrumb-separator\">&rsaquo;<\/span><span class=\"aioseo-breadcrumb\">\n\tHow to choose solder paste and flux in SMT patch?\n<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.qhsmt.com\/zh"},{"label":"Industry knowledge","link":"https:\/\/www.qhsmt.com\/zh\/industry-knowledge\/"},{"label":"How to choose solder paste and flux in SMT patch?","link":"https:\/\/www.qhsmt.com\/zh\/2022\/11\/20\/smt-pick-and-place-machine-how-to-choose-solder-paste-and-flux\/"}],"_links":{"self":[{"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/posts\/2257","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/comments?post=2257"}],"version-history":[{"count":4,"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/posts\/2257\/revisions"}],"predecessor-version":[{"id":3847,"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/posts\/2257\/revisions\/3847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/media\/2258"}],"wp:attachment":[{"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/media?parent=2257"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/categories?post=2257"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.qhsmt.com\/zh\/wp-json\/wp\/v2\/tags?post=2257"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}