Jewelry
- Central Machinery Bench Buffer
- AmScope Stereo Microscope
- GraverSmith Pneumatic Engraver
- Foredom Rotary Tool
- Pulse Arc Welder
Central Machinery Bench Buffer
Central Machinery Bench Buffer
Bench Buffer / Polisher
This tool can be used by members and non-members who are well-versed in the operation of the tool. Trainings can always be requested at #class-requests on Slack
| Model No | 226002 (item 94071) |
| Date Purchased | — |
| Status | Operational |
| Link To Manual | Manual (94071) |
| Link to product page | Harbor Freight manuals |
Description
6" bench buffer/polisher (Chicago Electric 94071, HF 226002) for jewelry and metal polishing. Eye protection required; secure hair and loose clothing.
Specifications
| Wheel size | 6 in |
| Arbor | 1/2 in |
| Speed | 3600 RPM (no load) |
| Power | 120 VAC, 60 Hz, 0.4 A |
| Harbor Freight item | 94071 (internal ref. 226002) |
Additional Resources
AmScope Stereo Microscope
AmScope Stereo Microscope
Microscope
This tool can be used by members and non-members who are well-versed in the operation of the tool. Trainings can always be requested at #class-requests on Slack
| Model No | TBD (10×–40× stereo, analog) |
| Date Purchased | — |
| Status | Operational |
| Link To Manual | AmScope contact / support |
| Link to product page | AmScope stereo microscopes |
Description
Stereo analog microscope (~10×–40×) for inspection and jewelry work. Use eyepieces (not USB). Update model number when nameplate is documented.
Specifications
| Type | Stereo (dissecting), analog |
| Magnification | ~10×–40× (marked on unit) |
| Illumination | Incident / transmitted (per model—verify on unit) |
| Model no. | TBD — add from nameplate |
Additional Resources
GraverSmith Pneumatic Engraver
GraverSmith Pneumatic Engraver
Pneumatic Engraver
This tool is restricted to Makerspace Members, and requires a training before use. Request a training on Slack: #class-requests
| Model No | GraverSmith (GRS 005-895) |
| Date Purchased | — |
| Status | Operational |
| Link To Manual | GRS GraverSmith (PDFs on page) |
| Link to product page | GRS GraverSmith |
Description
GRS GraverSmith pneumatic engraving system for stone setting and metal engraving. Requires clean, oil-free shop air (≥45 psi). Handpieces sold separately.
Specifications
| GRS item | 005-895 |
| Dimensions | 7.12 × 9.54 × 6.3 in |
| Weight | 8.3 lb |
| Air requirement | ≥45 psi, 1.4 CFM (40 L/min), oil-free |
| Handpiece ports | 1 standard |
| Control | Foot pedal |
| Power | 100/220 V, 50/60 Hz (unit power supply) |
Additional Resources
Foredom Rotary Tool
Foredom Rotary Tool
Flex-Shaft Rotary Tool
This tool is restricted to Makerspace Members, and requires a training before use. Request a training on Slack: #class-requests
| Model No | HP4-917 |
| Date Purchased | — |
| Status | Operational |
| Link To Manual | Foredom document downloads |
| Link to product page | HP4-917 control unit |
Description
Foredom flex-shaft system (HP4-917 control) for carving, grinding, and polishing. Foot pedal speed control; secure work in a vise or holder.
Specifications (HP4-917 control)
| Output | DC 30 V / 1.2 A |
| Input voltage | 110/120 or 220/240 V (selector on rear) |
| Control size | ~4.4 × 5.8 × 3.8 in |
| Features | Forward/reverse, manual/foot speed, overload protection |
| Typical kits | K.1020, K.1070, K.1080, K.1090 (brush-type micromotor) |
Additional Resources
Pulse Arc Welder
Pulse Arc Welder
Pulse Arc Welder
This tool is restricted to Makerspace Members, and requires a training before use. Request a training on Slack: #class-requests
| Model No | Pulse arc (see listing) |
| Date Purchased | — |
| Status | Operational |
| Link To Manual | Reference listing |
| Link to product page | AliExpress listing |
Description
Pulse arc welder for jewelry repair and tack welding. Unit matches the linked listing but may show a different brand on the case. Welding-rated eye protection and argon per training.
Specifications
| Process | Pulse arc / micro TIG class (jewelry) |
| Shielding gas | Argon (verify regulator and flow with training) |
| Electrodes | Tungsten, sized to material (training) |
| PPE | Welding-rated eye protection required |
| Documentation | Use listing manual + shop training checklist |