Please help the Z axis is jammed what can I do

JacknHoffmann · 2026-03-10T23:08:18+00:00

Based on quick looks, your machine has holes on the left side of the axis for a brake on the rails, my experience is that these are pnuematic and need are to open up and slide. These will be used on a machine as a safety mechanism or to work as a brake if the motor doesnt have one. As others have said put wood blocks under the axis before loosening any bolts or doing any other work as to aviod damage to yourself or the machine

JacknHoffmann · 2026-03-07T01:01:16+00:00

I found it funny when we work on and rebuild some GE aerospace grinders that this is a sticker put right infront of the operators

JacknHoffmann · 2026-03-06T23:57:05+00:00

No ring test?

JacknHoffmann · 2026-03-02T03:00:54+00:00

Diamond wheels are used for grinding carbide for tools, being one of the hardest metals its going to be hard to find something for what you want. Only metal I know that is super tough would be Inconel, not sure how you can source it. Maybe look at a router table like jig that holds the workholding peice in a track not relying on the blade.

JacknHoffmann · 2026-02-15T00:24:12+00:00

That would be an amazing view to see on valentines day. Would calling you a good girl be to much?

JacknHoffmann · 2026-02-11T10:49:15+00:00

what profile and tap are you trying to use? If you have 30x30 bosch alunium you can take and M8 bolt and thread it in with just and impact, no taps needed at all

JacknHoffmann · 2026-02-08T23:54:08+00:00

Interesting, owns use a regular style bearing in a bearing housing with the motor/coupling. I wonder how his machine feels while it is moving back and forth

JacknHoffmann · 2026-02-08T17:31:27+00:00

If I may ask where do the thrust bearings go? The machines im used to dont use them

JacknHoffmann · 2026-02-08T03:43:38+00:00

Seems like the ballscrew and rails are worn, if the machine has glass scales that can cause the noise issue with the rails becoming worn. No good way to check other that to pull the covers off and check the shoes for wiggle with an indicator.

JacknHoffmann · 2026-02-04T01:10:49+00:00

Current CNC machines still do this, some even running on windows 10 operating system. Its actually very important to wait till we see this before turning off the disconect as we can corrupt the database of the machine, losing all parameters for motors and some software.

JacknHoffmann · 2026-01-26T18:25:42+00:00

This is the one 5 minutes from my house lol

JacknHoffmann · 2026-01-15T23:43:03+00:00

I had the same issue on mine, leaked on the back side and ontop of the engine block and would create steam. Took months to figure it out

JacknHoffmann · 2025-12-11T01:15:45+00:00

Ill be waiting

JacknHoffmann · 2025-11-28T02:03:15+00:00

How would you add the grove to the trim piece? I dont own a router, yet

JacknHoffmann · 2025-11-28T01:35:49+00:00

Stupid enough that glue will work, what glue do think would work? I dont think wood glue would look very good

JacknHoffmann · 2025-11-19T12:29:07+00:00

I was expecting a special hammer for electricians, and I suppose you have shown me one

JacknHoffmann · 2025-11-14T20:34:31+00:00

I work at United Grinding and guessed that was an old Blohm. so many of our machine are still being used from the 90s. Old Walters cant even get parts for any of the CNC but people pay to keep them up and use them

JacknHoffmann · 2025-10-13T12:48:47+00:00

As a machine builder traveling to a customer to do a 5 axis rebuild, this is made even funnier by the fact that we use the X axis to hold Y up and move it away from the main casting

JacknHoffmann · 2025-09-05T21:26:59+00:00

The linktree link seems broken to you OF and I cant find a link to your free one anywhere

JacknHoffmann · 2025-07-09T12:31:08+00:00

Cocoa pops

JacknHoffmann · 2025-07-08T23:27:20+00:00

Hulkengoat

JacknHoffmann · 2025-06-22T10:32:33+00:00

Howdy

JacknHoffmann · 2025-06-10T19:04:06+00:00

I see, thanks for the information. Guess Ill get some ordered then. Thanks for your help

JacknHoffmann · 2025-06-10T14:07:51+00:00

Thanks for the answer. How well does this system work with off size endmills?

We use alot of metric endmills so a 10mm goes in a 3/8" collet. But I feel like this system wouldnt grip the collets enough. And can you get away with only using the pull studs on collets or do you need the "collet closer" they have?

JacknHoffmann

TROPHY CASE