What the Mini 7 JW100E is built to do
The Mini 7 JW100E is a jewelry laser welder in the laser welding machines range. A 100 W YAG jewelry welder balancing benchtop size with stronger welds.
A pulsed YAG source puts a small, controlled amount of energy into the joint. The heat-affected zone stays narrow, which is what allows re-tipping a prong with the stone still set, or closing a seam beside an enamel or a soldered finding without flooding the whole piece with heat.
At 100 W this machine covers general bench repair with enough reserve for findings and heavier joints. For the comparison between bench repair and production duty, see the laser welding for jewelry repair and assembly guide.
Capability in practice
The figures below are the ones that decide whether this machine suits a given job. The full table is in the specifications section above.
| Parameter | Mini 7 JW100E | What it decides |
|---|---|---|
| Laser power | 100 W | Sets the section thickness that can be fused in a single pulse. |
| Cooling | Air & water cooling | Determines duty cycle and whether a separate chiller is needed on site. |
| Operator interface | 7-inch touch-screen | Screen size matters most where programmes are changed frequently. |
Where it fits in a workshop
A welder belongs at the repair bench, within reach of the polishing motor and the setting station. Typical work: prong re-tipping, ring sizing, clasp and finding attachment, chain repair, and tacking components before final soldering or setting.
- Prong repair — re-tipping and rebuilding claws with the stone in place.
- Findings assembly — welding clasps, jump rings, posts and bails.
Installation and site requirements
Most delayed commissionings come down to three things: the supply, the cooling and the route into the room. Check these against the site before the machine ships.
- Electrical supply — this machine expects AC 220±5% 50Hz / AC 110±5% 60Hz. Confirm the socket, the breaker rating and whether the site is 50 Hz or 60 Hz.
- Cooling — Air & water cooling. No separate chiller position is required.
- Footprint — 54 × 29 × 29 mm. Allow clearance behind and beside the machine for service access.
- Options to decide at order — Intelligent voice alarm, integrated camera, programmable memory. These are far cheaper to fit now than to retrofit later.
Operator handover covers the software, the parameter set for the specific alloy and wire in use, and the first production run. If any of the figures above sit close to your limits, say so on the quotation request and we will confirm before the order is placed.
How the Mini 7 JW100E compares
Other jewelry laser welder models in the range, so you can see where this one sits rather than reading its specification in isolation.
| Model | Power | Wire / field | Cooling | Weight |
|---|---|---|---|---|
| Mini 7 JW100E this page | 100 W | — | Air & water cooling | — |
| Mini 7 JW60E | 60 W | — | Air & water cooling | — |
| Mini 10 JW60EP | 60 W | — | Air & water cooling | — |
| JW80 | 80 W | — | Air & water cooling | 29 kg |
| Mini 10 JW100EP | 100 W | — | Air & water cooling | — |
| Mini 7 JW150E | 150 W | — | Air & water cooling | — |
| Mini 10 JW150EP | 150 W | — | Air & water cooling | — |
Overview
The Mini 7 JW100E is a jewelry laser welder built for welding / repair in jewelry manufacturing, supplied by Sawyers Jewelry. A 100 W YAG jewelry welder balancing benchtop size with stronger welds. It is designed for reliable daily production with consistent, repeatable results.
Key Capabilities
- Laser power: 100 W (YAG)
- Cooling: Air & water cooling
- Display: 7-inch touch-screen
Typical Applications
The Mini 7 JW100E is well suited to prong re-tipping & repair and findings & clasp welding. Settings can be adapted to your metal mix and output requirements.
Ordering & Support
Sawyers Jewelry supplies the Mini 7 JW100E with options for voltage and tooling, plus export documentation and after-sales support. Use the inquiry form on this page for a tailored quotation.