Thread: spindle mount
Not sure if this is in the right place but couldn't see where else it should go.
Couldn't see any uk sellers for the mount for chinese 2.2kw water cooled spindles, so was just wondering if anyone knew of a supplier or if not where abroad was best to get them, I am guessing that they don't come with the spindle.
Would I be right in thinking that these spindles are pretty much all 80mm diameter?
The existing mount on the gerber is about 115mm so probably easiest to just purchase a new mount when I change the spindle.
i think most people have them custom made to fit their machine... thats certainly what i intend to do
The 2.2Kw model is 80mm dia. It varies for the others.
As for Spindle mount options your looking at making your own really. You can get them from places like ebay US and various CNC retailers over there but shipping makes it expensive.
If your feeling adventurous then using an SMA50 linear bearing housing with the bearing case removed provides exactly an 80mm dia bore. This is a very sturdy mount for the spindle since you've got over half of it clamped. You do have modify it a little though by cutting a channel in the side for the clamping action. Pretty simple really if you've got the right tool for the job(band saw, radial arm saw, a jigsaw with a good metal blade or if you clamped and set up a jig then a regular hand router with 3mm dia straight bit would do a great job). I'm surprised some enterprising sort isn't knocking these out to be honest. There's certainly a gap in the UK for it.
The housing is £21+vat from Gary at Zapp.
SMA50UU Linear Bearing with housing
Last edited by Shinobiwan; 31-12-2012 at 03:39 AM.
Wow - I had no idea that was a bearing block - thought it was a dedicated motor mount.
Most definately going on my shopping list.
Thanks for the replies people, will have another look round ebay & also have a think about Ant's way round it. Surprised that most of the people who sell the spindles don't also sell the mounts as well.
I reckon there's a good little sideline for someone with enough nous to start a website specialising in custom spindle mounts...because everyone hits the same issue "where the hell do I buy a mount"....and it's catch 22 - i.e. your machine isn't built yet, so you can't make your own blah blah. (and my machine wouldn't be able to cut ali anyway once built!)
I just stumbled across this post and have a different idea for the sma50uu housing... does this housing have circlips front and back to retain the bearing bushing?
Great, I'm wondering if the 80mm bore is a bearing fit / interference fit??
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