CNC Spindle Trammming Dial Test Indicator Holder

NOTE: YOU NEED TO MIRROR THIS FOR THE 2nd SIDE.

(The print profile has both sizes and the mirrored pieces as well.)

This is a simple, easy to use holder. 

Use with a ¼" or 6mm steel rod or an upside down end mill to hold it in your spindle and then clamp the dovetail of your test indicator to it as well. Best to position the holder as close to your collet as possible.

Spin it (by hand only!) to X+ and X- to see whether your spindle is trammed. The reading has to be the same both sides. If not, adjust tram and repeat until they are the same. Repeat for Y.

To print, you need to clone the model and mirror the clone. Look at both pieces to make sure you now have a left and right part and that the holes and dovetails align.

There are two versions, one for M3 and the other for M5 hardware.

Printing:

Almost any material will work, the print profile is PLA. No supports.