Category: Retired Assets

AMT206 Rivet/Grommet Press

A grommet is a ring or edge strip inserted into a hole through thin material, typically a sheet of textile fabric, sheet metal or composite of carbon fiber, wood or honeycomb. Grommets are generally flared or collared on each side to keep them in place, and are often made of metal, plastic, or rubber. They …

Read more

Zen Toolworks CNC

Steward: None. We no longer have this at AMT. Asset Number: AMT038 CNC engraving/mill by Zen Toolworks aka Guido Photos Useful info Guido is his nickname and engraving’s his game. Currently, this CNC beast is equipped with a 3mm 30degree V-shape bit, meant for engraving. Other bits can be used up to a shank diameter …

Read more

Zen Toolworks CNC buildup

Started to put together [[Zen Toolworks CNC|Al’s CNC micro-mill]]. Stopped at around step Y-14 on the buildup because the lead screw turns very hard. I am worried the stepper motors will not have the power to overcome it, resulting in too many stalls. [[File:IMG_20110116_164255.jpg|500px|thumbnail|center|The hardest thing was to make a vise to push those bushings …

Read more

Zen Toolworks CNC/Materials

Materials that can be worked on the Zen Toolworks CNC ===[[Expanded PVC]]=== [http://www.woodweb.com/knowledge_base/Milling_Expanded_PVC.html Preliminary research] suggests that it can/should be cut at hi RPM (18000) and IPM (200) with 3/8″ dia. O-flute bits. 18000 x .375 = 6750 So the tool face should be going about 6750 SFM. Practical testing still pending. ===[[Acrylic]]=== ===Wood=== ===Aluminum===

Read more