Permanent jewelry is welded with pulse-arc machines built for jewelry work, and the machines most operators shortlist come from two established manufacturer families: Sunstone Engineering (the Orion and Zapp lines, at sunstonewelders.com) and Lampert (the PUK line, at lampert.de). The honest way to choose is not a ranking, because specs and prices change: it is scoring each shortlisted machine on eight stable dimensions, ease of use at event pace, shielding gas requirement, optics, consumables, duty expectations, training and support, warranty, and total kit cost, using the manufacturer's own published spec sheet and a dated written quote.
This guide is that framework. We sell no welders, take no commissions from anyone who does, and name no winner. What we can give you is the set of questions that separates a machine that demos well from a machine that runs a four-hour Saturday line without drama, and the pointers to where each answer authoritatively lives.
What kind of welder does permanent jewelry use?
Pulse-arc welders close a jump ring with an electrical arc lasting milliseconds, precise enough for fine chain and fast enough for a line of guests. They are bench jewelry tools by heritage: the same technology jewelers use for repairs, adapted and packaged for welding on a wearer. A related fine-welding technology you will see at jewelry benches is micro-TIG; some machines blend categories, and the manufacturer's spec sheet is the authority on what a given machine actually is.
Two practical properties matter more than the electronics vocabulary. First, the weld happens on a jump ring positioned away from the skin, over a protective leather or silicone shield, with eye protection built into the machine's darkened optics; machines marketed for permanent jewelry ship with the fixtures and workflow for exactly this. Second, the machines are small: a case that travels to events, not a shop tool bolted to a bench.
Who actually makes these machines?
Two manufacturer families dominate shortlists in this trade:
- Sunstone Engineering, a U.S. manufacturer of pulse-arc jewelry welders whose Orion and Zapp lines include machines marketed specifically for permanent jewelry. Their current specs, bundles, training offerings, and pricing are published at sunstonewelders.com.
- Lampert, a German manufacturer whose PUK fine-welding machines are used by bench jewelers worldwide. Current specs and the dealer network are at lampert.de.
Other machines exist and new ones appear; the framework below works on any of them. What does not change is the sourcing rule: take specs from the manufacturer, not from a reseller's marketing page or a group thread, and get pricing as a dated written quote, because both change without notice.
What are the eight dimensions that actually matter?
- Built for jewelry on people, not bench repair only. Permanent jewelry means welding near a wrist at a busy table. Machines marketed for this use case ship with skin shields, positioning fixtures, and a workflow designed for a wearer. A generic bench welder can close a ring; that does not make it the right tool at an event. Check: does the manufacturer's product page name permanent jewelry?
- Ease of use at event pace. Your real constraint on a Saturday is guests per hour. Setup time, how the machine helps you align the ring, and how many actions each weld takes decide your pace more than any headline number. Check: the manual's step count per weld, demo videos, ideally ten minutes of hands-on at a trade show or dealer.
- Shielding gas requirement. Many pulse-arc welders use argon to shield the weld; some machines or settings run without it. Argon means a tank, a regulator, refills, and one more item at load-in. Neither answer is wrong; you just need to know which machine you are buying. Check: the gas line on the spec sheet, and ask the manufacturer what tank sizes they recommend for event work.
- Optics and eye protection. Jewelry welders protect your eyes with darkened optics built into a microscope or lens system. Comfort at that eyepiece across hundreds of welds a month matters for your neck and your accuracy. Check: the optics section of the spec sheet, and time at the eyepiece before buying if at all possible.
- Consumables and running cost. Electrodes wear and need dressing or replacement; argon empties. The per-weld cost is small but real and belongs in your pricing math. Check: the maintenance section of the manual, and ask the manufacturer about expected electrode life in permanent jewelry use.
- Duty expectations for a line. An event means welding steadily for hours. Rather than inferring endurance from a wattage number, ask the manufacturer directly whether the machine is built for continuous event use and what pause behavior, if any, to expect. Their support teams answer this question every week. Check: in writing, from the manufacturer.
- Training, support, and warranty. The established makers publish warranty terms, run support lines, and offer training, sometimes bundled with the machine. When a machine misbehaves the week before a festival, the support answer is the spec that matters most. Check: the warranty page, support hours, and what training is included versus sold separately.
- Total kit cost, not sticker cost. Compare complete working setups: machine, optics, fixtures, argon setup if required, spare electrodes, case, shipping. Jewelry pulse-arc welders are typically a four-figure purchase, and the honest comparison is the total, current, written quote for each shortlisted machine, dated, because prices change. Our startup cost calculator holds this number in context of the whole launch budget.
How do you run the comparison without getting played?
Shortlist two or three machines. For each, download the spec sheet from the manufacturer, request a written quote for the complete working kit, and fill in the eight dimensions side by side. Where the spec sheet is silent, email the manufacturer and keep the answer. Watch for three common traps: comparing a bare machine price against a competitor's full bundle, treating a reseller's enthusiasm as a spec, and buying more machine than your event volume needs because a video made the top model look mandatory. A machine you can operate smoothly at pace beats a more powerful machine you fight.
Used machines deserve one extra question each: whether the warranty transfers, and what the manufacturer charges for inspection or refurbishment. Both answers come from the manufacturer, not the seller.
What about the chain side of the equation?
The welder is half the equipment story; the chain it closes is the other half. Buy from established wholesalers that publish real specs, Rio Grande (riogrande.com) and Stuller (stuller.com) are two long-standing U.S. supply houses, and match jump rings to each chain in metal and size. Metal descriptions on your menu are governed by the FTC Jewelry Guides (16 CFR Part 23, full text at ecfr.gov): gold-filled is not "gold," plated is not gold-filled, and vermeil is a defined term, not a vibe. Every spool should arrive, get costed from its invoice, and have its cost per inch written on a spool card the same day; that number is the foundation of your pricing, and our per-weld margin calculator turns it into margin per weld in your browser.
What are the non-negotiable safety basics?
Follow the manufacturer's operating and safety instructions exactly: the skin shield on every weld performed on a person, the machine's built-in eye protection used as designed, and the maintenance schedule from the manual. Reputable training, whether from the manufacturer or an independent program, drills this workflow until it is boring, which is the goal. Nothing in this article replaces the manual for your specific machine. And because jewelry sits on skin, keep the health honesty too: many alloys contain nickel, sensitive customers exist, and the American Academy of Dermatology (aad.org) is a real reference to point them to.
The organized version of this whole decision, the eight dimensions as a scorecard, the supplier guidance, and the worksheets that turn an invoice into a menu, ships inside the Permanent Jewelry Launch Kit.
Frequently asked questions
Which permanent jewelry welder is best?
There is no honest universal answer. Machines and prices change, and the right choice depends on your event volume, budget, and comfort at the optics. Score shortlisted machines from Sunstone and Lampert on the eight dimensions above using their published specs and written quotes, and the best machine for you falls out of your own scorecard.
Do all permanent jewelry welders need argon?
No. Many pulse-arc machines use argon shielding gas and some machines or settings run without it. The spec sheet states the requirement; confirm with the manufacturer, because it changes what you carry to every event.
How much does a permanent jewelry welder cost?
Typically a four-figure purchase for a new jewelry pulse-arc welder, with the total working kit costing more than the bare machine. Current, exact pricing lives on the manufacturers' sites and in written quotes; treat any specific number you read elsewhere, including in forums, as stale until verified.
Can you start permanent jewelry without a welder?
Some vendors begin with clasped chain sales at markets while saving for the machine, which builds an audience but is a different product. The welded, clasp-free piece is the service customers seek out this trade for, so most operators treat the welder as the founding purchase.