{"product_id":"30a-sparkle-welder","title":"30A Sparkle Welder","description":"\u003cp\u003eAchieve rapid, clean, flux-free fusion welds on precious metal wires, chain links, jump rings, and delicate jewelry findings without discoloration or solder flow. The 30A Sparkle Welder (Model: DX-30A) uses high-frequency plasma tip-discharge arc technology to instantly create a localized molten pool at the joint seam. Powered by a 380W motor with dual coarse and fine current adjustment dials, it delivers precise pulse micro-welding up to 2.0 mm metal thickness on gold, silver, platinum, K-gold, and steel.\u003c\/p\u003e\n\u003ch3\u003eWhy Choose the DX-30A 30A Sparkle Spot Welder\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Frequency Plasma Discharge Arc:\u003c\/b\u003e Operates on the principle of needle-tip electrical discharge, creating instantaneous micro-arc heat that melts and bonds seam edges cleanly without solder powder or messy flux.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eDual Power Adjustment Dials (Coarse \u0026amp; Micro Tune):\u003c\/b\u003e Independent coarse and micro-tuning current regulation knobs allow precise energy calibration to match fine chain links (0.2 mm) up to heavier 2.0 mm wire gauges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHands-Free Instant Foot Switch Control:\u003c\/b\u003e Momentary foot pedal activation initiates the pulse spark instantly while keeping both hands steady on the tweezers and workpiece.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTop Carrying Handle \u0026amp; Portable Build:\u003c\/b\u003e Features a sturdy top-mounted carrying handle and compact footprint for easy transport between studio benches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHeavy-Duty Steel Casing with Active Cooling:\u003c\/b\u003e Durable sheet metal construction in bright yellow with dual side cooling slots to maintain safe internal operating temperatures during long bench sessions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Component Matrix\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003eParameter Metric\u003c\/td\u003e\n\u003ctd\u003eCertified Factory Specification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Designation\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30A Sparkle Welder \/ Jewelry Pulse Spot Welder\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDX-30A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Output Current\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e30A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Power Input\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e380W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAC 220V, 50Hz \/ 60Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Welding Thickness\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUp to \u003cspan class=\"math-inline\"\u003e2.0 mm\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Regulation\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual Dial Controls (Coarse Tune + Micro Tune)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Dimensions\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e\u003c\/span\u003e300 × 180 × 140 mm (11.81 × 7.08 × 5.51 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Unit Weight\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.85 kg (10.7 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Profile\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIndustrial Powder-Coated Yellow with Black Handle\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTungsten Needle Spec\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e\u003c\/span\u003eØ 1.0 mm Pointed Tungsten Electrode\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded Kit Components\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cspan class=\"math-inline\"\u003e\u003c\/span\u003e1× DX‑30A Main Console • 1× Momentary Foot Switch • 1× Welding Tweezers • 1× Needle Holder \u0026amp; Acrylic Stand • 1× Tungsten Needle • 1× Power Cord\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation \u0026amp; Operating Instructions\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTerminal Connections:\u003c\/b\u003e Connect the tungsten needle holder cable into the red output terminal (\u003cb\u003eSeat Stage \/ Negative\u003c\/b\u003e). Plug the clamping tweezers into the black output terminal (\u003cb\u003eFixture \/ Positive\u003c\/b\u003e).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eElectrode Setup:\u003c\/b\u003e Sharpen the tip of the Ø 1.0 mm tungsten needle on a diamond lap\/grinder. Insert the needle into the holder with approximately 50 mm extension.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePower \u0026amp; Current Calibration:\u003c\/b\u003e Turn on the main illuminated power rocker switch. Set the coarse and micro-tuning knobs according to metal thickness and alloy conductivity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003ePositioning:\u003c\/b\u003e Securely grip the workpiece with the tweezers. Align the joint interface precisely opposite the tungsten needle point at an optimal air gap of approximately 0.5 mm to 1.0 mm (never let the workpiece touch the needle directly).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eTrigger Weld:\u003c\/b\u003e Tap and immediately release the foot switch to trigger the micro-arc discharge.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eImportant Safety Precautions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMomentary Pedal Tap Only:\u003c\/b\u003e Tap the foot switch and release your foot immediately. Holding the pedal down continuously can short-circuit internal components and burn out the circuit board.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eEye Protection:\u003c\/b\u003e Always wear UV\/tinted protective goggles or an eye shield to protect against arc flash rays.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eElectrical Isolation:\u003c\/b\u003e Avoid touching the bare metal parts of the tweezers and the tungsten needle simultaneously while tapping the foot pedal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eHigh-Voltage Internal Circuit:\u003c\/b\u003e Do not open or dismantle the outer chassis casing; servicing should be performed by qualified technicians only.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"LUXGOLDTOOLS","offers":[{"title":"Default Title","offer_id":49055409766500,"sku":"AWAB0002","price":246.02,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/2902\/9732\/files\/30a-sparkle-welder-dx-30a-jewelry-workshop-bench.jpg?v=1787544086","url":"https:\/\/luxgoldtools.com\/products\/30a-sparkle-welder","provider":"LUXGOLDTOOLS","version":"1.0","type":"link"}