CNC Hold down clamps (All sizes, OpenSCAD) by ostat

ostat

Tools>Other Tools

In Contest

OpenSCAD Master Challenge

Print Profile(0)

Add the first print profile to earn points

Boost

Released

Description

Varying sized clamps for using has hold downs on CNC table.

I find it best print them lying down on the side, support is needed.

Generated Clamps

Options for bolt sizes M3, M4, M5
Lengths 25mm-150mm
Heights 3mm-100mm

Resources

Official doco - https://docs.ostat.com/docs/openscad/cnc-clamps
Repo - https://github.com/ostat/OpenSCAD-Projects/tree/main/CncClamps_OpenSCAD

OpenSCAD/Customiser settings

The clamps are generated using an OpenSCAD model, you can use the built in customiser . The model is included in the supplied files.

CNC hold down

Setting	Description
Bolt_Cutout_Length	Length of bolt cutout (mm)
Bolt_Cutout_Diameter	Diameter Length of bolt cutout (mm)
Bolt_Clearance	Clearance around the bolt head (mm), default = Bolt_Cutout_Diamater
Wall_Thickness	Thickness of the front and side walls (mm)
Base_Thickness	Thickness of the base(mm), Default = Wall_Thickness*2
Base_Relief	Back relief on base (mm), default = Wall_Thickness/2

Front Lip

Setting	Description
Front_Radius	Radius of front lip (mm), default = Wall_Thickness
Front_Lip_Length	Length of front lip (mm), default = Front_Radius
Front_Height	Height of front lip (mm), default = Front_Radius
Front_Relief_Angle	Relief on front (deg)
Front_Wall_Thickness	Front wall thickness (mm), default = Wall_Thickness
Support_Length	The full height length (mm), default = half length
Support_Height	The full Length height (mm) , default = quarter height