How large will the chuck open on the 4th Axis unit?

It will open large enough to accommodate up to 2 inch stock. In order to accomplish this, you need to reverse the chuck tabs. See this FAQ [caption id="attachment_633" align="alignnone" width="600"]

Here are the chuck tabs in the outer position to accommodate larger material sizes.[/caption]

Question 2

How long do the brushes on my MM-1000 DI Spindle last?

Bobby Noble · Accepted Answer

On average you will see 125-150 hours of use on your MM-1000 DI spindle before you start to see signs that it is time to change them.

These signs can include:

sign 1
sign 2

You can order a replacement set from our website HERE.