{"product_id":"micro-resistance-dual-pulse-cd-spot-welders","title":"Sunstone Capacitive Discharge (CD) Dual-Pulse Spot Welders","description":"\u003cp\u003eModels: CD200DP · CD400DP · CD600DP\u003c\/p\u003e\n\u003cp\u003ePulse Type: Dual-Pulse Capacitive Discharge\u003cbr\u003eInterface: Manual\u003cbr\u003eTrigger: Built-in front-panel button\u003cbr\u003eAutomation Ready: No\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSunstone CD Dual-Pulse Standard Series\u003c\/strong\u003e delivers professional-grade resistance spot welding using a dual-pulse capacitive discharge system designed to improve weld cleanliness, consistency, and bond strength on thin to moderately thick conductive materials.\u003c\/p\u003e\n\u003cp\u003eEach weld is performed using two precisely controlled energy pulses:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eA \u003cstrong\u003econditioning pulse\u003c\/strong\u003e that cleans oxides and surface contamination\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA \u003cstrong\u003eprimary weld pulse\u003c\/strong\u003e that delivers the full welding energy for a strong, repeatable bond\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis approach produces cleaner welds with reduced spatter and improved repeatability—especially important for battery tabs, foils, fine wires, and precision components.\u003c\/p\u003e\n\u003cp\u003eWith a compact benchtop footprint, rugged construction, and a straightforward manual interface, the CD Dual-Pulse Series is ideal for labs, prototyping environments, R\u0026amp;D, and light production where automation is not required.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eShared Features Across All Models\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eDual-pulse discharge improves weld reliability and surface preparation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMicroprocessor-controlled energy output for consistent, repeatable welds\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFront-panel digital display with intuitive energy adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManual triggering via integrated weld button\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuto-switching power input (110V \/ 220V AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact, heavy-duty chassis designed for benchtop use\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eModel Comparison\u003c\/h2\u003e\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex w-fit flex-col-reverse\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eStored Energy\u003c\/th\u003e\n\u003cth\u003eDimensions (in)\u003c\/th\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003cth\u003eTypical Use Cases\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD200DP\u003c\/td\u003e\n\u003ctd\u003e200 Ws\u003c\/td\u003e\n\u003ctd\u003e18 × 18 × 15\u003c\/td\u003e\n\u003ctd\u003e31 lbs\u003c\/td\u003e\n\u003ctd\u003eSmall parts, foils, battery tabs, thermocouples; fastest cycle times\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD400DP\u003c\/td\u003e\n\u003ctd\u003e400 Ws\u003c\/td\u003e\n\u003ctd\u003e18 × 15 × 18\u003c\/td\u003e\n\u003ctd\u003e35 lbs\u003c\/td\u003e\n\u003ctd\u003eMedium-thickness terminals, layered materials; deeper weld penetration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCD600DP\u003c\/td\u003e\n\u003ctd\u003e600 Ws\u003c\/td\u003e\n\u003ctd\u003e18 × 15 × 18\u003c\/td\u003e\n\u003ctd\u003e35 lbs\u003c\/td\u003e\n\u003ctd\u003eSmall bus bars and thicker conductive materials; highest weld energy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eBattery tab welding (nickel, nickel-plated steel, copper)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMedical device wiring and sensor leads\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFoil and mesh bonding\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThermocouple fabrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLaboratory R\u0026amp;D and benchtop manufacturing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cp\u003eEach Sunstone CD Dual-Pulse Spot Welder ships ready for manual operation and includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSunstone CD Dual-Pulse Spot Welder (model selected)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated capacitive discharge power supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eBuilt-in manual weld trigger button\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFront-panel digital energy display and controls\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAuto-switching 110V \/ 220V power input\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower cord\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUser manual and setup documentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eElectrodes, weld heads, foot pedals, and automation accessories are sold separately to allow application-specific configuration.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cp\u003eThis product includes \u003cstrong\u003eSunstone’s standard 2-Year Limited Manufacturer Warranty\u003c\/strong\u003e, covering defects in materials and workmanship.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eInternal electronics and system components covered for 2 years\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConsumable components covered under a 1-Year warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eService and support provided by Sunstone’s U.S.-based technical team\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCustomer Resources\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e📄 \u003ca rel=\"noopener\" href=\"https:\/\/3022022sunstoneengineering.sharepoint.com\/:b:\/s\/MediaKit\/EbyXeyddxllBopG4gqgrE0ABtVxfD4pAJu-d0DNTFkoAAA?e=HFUI6o\" target=\"_blank\"\u003eUser manual\u003c\/a\u003e\u003cbr\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan class=\"s1\"\u003e▶️\u003c\/span\u003e \u003cb\u003eVideo:\u003c\/b\u003e \u003cspan class=\"s2\"\u003e\u003ca rel=\"noopener\" href=\"https:\/\/www.youtube.com\/watch?v=D-QfSmNByaQ\u0026amp;list=PLgxANEQzYmJ_QqA8hb64TmT_yq-adqs13\" target=\"_blank\"\u003eProduct Video\u003c\/a\u003e\u003c\/span\u003e\u003cbr\u003e📧 \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCustomer Support\u003c\/strong\u003e: Direct manufacturer assistance troubleshooting. Contact them at \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"mailto:custservice@sunstonewelders.com\"\u003ecustservice@sunstonewelders.com\u003c\/a\u003e\u003ca href=\"mailto:bofasalesus@donaldson.com\"\u003e\u003c\/a\u003e\u003ca rel=\"noopener\" class=\"decorated-link cursor-pointer\"\u003e \u003c\/a\u003e| \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e+1 (\u003cmeta charset=\"utf-8\"\u003e877) 786-9353\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eDO YOU NEED TRAINING?\u003c\/h3\u003e\n\u003cp\u003eSunstone's training team is ready to help you master the\u003cspan\u003e Capacitive Discharge (CD) Dual-Pulse Spot Welders \u003c\/span\u003e\u003ca href=\"https:\/\/www.sunstonewelders.com\/collections\/training\/products\/product-training\" target=\"_blank\"\u003eVisit Sunstone's Training Page to learn more.\u003c\/a\u003e\u003c\/p\u003e","brand":"Sunstone Welders","offers":[{"title":"200ws","offer_id":49559337730288,"sku":"301030","price":5700.0,"currency_code":"USD","in_stock":true},{"title":"400ws","offer_id":49559337763056,"sku":"301060","price":6900.0,"currency_code":"USD","in_stock":true},{"title":"600ws","offer_id":49559337795824,"sku":"301090","price":9200.0,"currency_code":"USD","in_stock":true},{"title":"200ws with Roll-Spot","offer_id":49559337828592,"sku":"301040","price":6400.0,"currency_code":"USD","in_stock":true},{"title":"400ws with Roll Spot","offer_id":49559337861360,"sku":"301070","price":7600.0,"currency_code":"USD","in_stock":true},{"title":"600ws with Roll Spot","offer_id":49559337894128,"sku":"301100","price":10000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/8744\/1392\/files\/sunstone-welders-cddp-micro-resistance-welder.jpg?v=1778560371","url":"https:\/\/www.techcraftstudio.com\/products\/micro-resistance-dual-pulse-cd-spot-welders","provider":"TechCraft Studio","version":"1.0","type":"link"}