Jewelry 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 94071 owner manual 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 Stereo microscope category AmScope support 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 Product page + manuals 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 Manuals (K.1070 rotary, HP4-917) HP4-917 product page 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 Additional Resources Reference product listing