PitClamp Mini

Bill Of Materials

Assembly Guide Videos

Demonstration Videos (SFW)

Summary

3d printed modular quick-release adjustable and removable mount ecosystem for iHSV57, 57AIM, 42AIM, NEMA23 motors. Intended for use with OSSM. 4040/3030 extrusion, flat mount, or clamping base.

Stress tested to 50 ft-lb without grip being compromised. (PLA 5 walls 15% crosshatch infill)

Features

• 4 degree precision quick-adjustable rotation
• Motor can be quickly removed from mount for storage or use in another base
• Selection of bases for different use cases
  • Extrusion Top Mount
    • (Extrusion agnostic, but was designed for as small as 3030)
  • Quick Clamp Ratchet + 3030 Extrusion Mount
    • (This mount is the reason behind the whole project)
    • POWERTEC 71408 is the clamp pictured
    • "Guide rail MFT ratchet clamp" search term to find similar prodcuts
  • Double Hinge Folding Mount
    • (Folds flat for easier frame storage, e.g. sliding under bed)
  • (FUTURE) Fully printed Tabletop Clamp
  • (FUTURE) PitClamp-As-Hinges
  • (FUTURE) Pneumatic SC40 Cylinder Pump
• (FUTURE) Relocatable OSSM Reference Board v2
• (FUTURE) (Optional) Capacitor located on motor for solder-less pre-v2.3 board compatability

Motor Head Support:

• Default OSSM (57AIM and iHSV)
• SpockAroundTheClock's Compact Motor Head (42AIM)

Motor Rings:

57AIM - 57AIM15, 57AIM30

iHSV57 - 100w, 140w, 180w

42AIM - 42AIM15, 42AIM30

Printing:

The entire project is intended for:

• 0.4mm nozzle (Wider should not cause problems)
• 0.2mm layer height (Necessary for some built-in helper features)
• Standard strength (5 wall) profile
• 15% gyroid or crosshatch infill
  • Higher infill optional

All parts tested in PLA and PETG

Supports required for:

• PitClamp Mini - Common - Handle
• PitClamp Mini - Base - Standard - Lower
• PitClamp Mini - Common - Upper
• PitClamp Mini - Ring - 57AIM
• PitClamp Mini - Ring - iHSV57

Optional accent color for logo.
Requires AMS, just paint bucket the flush lettering faces:

Roadmap

Motor Rings:

• 42AIM Motor Ring: 100%
• 57AIM Motor Ring: 100%
• iHSV57 Motor Ring: 100%
• Extrusion Adapter Ring: 100%

Clamping Components:

• Upper Clamp: 100%
• Handle: 100%
• Dogbones: 100%
• 4040/3030 Extrusion Base: 100%
• Double Hinge Folding Base: 100%
• Quick Clamp Tabletop Base: 100%
• 3d Printed Tabletop Base: 20%
• (Experimental) Side Mounted PitClamp Mini Hinge Pair: 80%
• Pneumatic SC40 Cylinder Pump Base: 20%

Relocatable Reference Board:

• Reference Board Case: 75%
• Reference Board 4040 Bracket: 90%
• 42AIM Motor Plug Tidy w/ Capacitor: 75%
• 57AIM Motor Plug Tidy w/o Capacitor: 0%

Rail Components:

• Screwcap Mini Tensioner: 100%
• Mini End Effector: 100%
• XL End Effector: 100%

Changes from PitClamp v3

• Support added for 42AIM motor
• Motor ring diameter reduced by 15%
• Overall filament required reduced by over 25%
• Clamp rotational grip strength increased
• Motor ring is now reversible in the mount
• Clamp "helper" added to reduce adjustment noise/clunkyness
• Rear hinge pin is no longer a printed piece
• Print clarity improved (and optional-default-none) for first and last layer "PitClamp Mini" & "armpitMFG" branding

Legacy PitClamp Bases

These bases are being reworked for the PitClamp Mini form factor