开云体育

On Sun, 17 Sept 2023 at 9:55, Carl

<carl.blum@...> wrote:

Hello David:

My 1973 Unimat came with one, and it was the first thing I took off. It is nice to have the spring return, but with the spring there is only 19mm of stroke available. Take it off and you have 25mm of stroke.

Just use the quill lever to lift the spindle up and lock it there.

Carl.

On 9/16/2023 8:24 PM, David James via groups.io wrote:

I saw a headstock spindle spring for sale on ebay. My old cast iron unimat did not have one when I got it and my manual does not show one either. Were they only on later models and are they a worthwhile addition?
I suppose they are good when using it as a drill press.