EasyProbe + PGFUN 3D probe

Ah cool. I think this is a good example for the fact that you can get quality in China if you are willing to pay for it. Looks good.

I dont have a thread for my current project. It was a fast decision thing, because the price was low. Looks smaller on the picture than in real life. Weights 500kg (machine + table). Dont have the fancy pc table .

Old Berger Lahr 5 phase steppers. Drives invented 1987. Machine is build in 1992. I want to safe the old drives, because I like to maintain such old hardware. I already ordered some caps for replacement (known as fault reasons).

Machine is all cast iron! But with supported round rails instead of linear rails. But I will keep them. It will be sufficient for al lot of my work. Travel is 400x400x100. Machine is only 900x800xhight (didnt meassured it yet).

The LY mill has 300 (X) by 400 (Y) mm travel and about 180 in Z. The overall machine is 1000 mm deep, 600 wide, and 600 high. Weight is 375 kg.

Re-capping a few boards seems manageable. There is less patience for old electronics. I think it reflects a lack of widespread electronics knowledge.

That PC stand is something else.

These were sold as engraving machines. I assume a spindle/VFD upgrade is in order?Will you be doing anything beyond aluminum?

Theese berger lahr drives are known for having faults because of the old caps. So I already have new ones at hand. Tantals for example will be changed to multilayer ceramics, but that is another story.

Yes, suprisingly theese machines were sold as engraving machines. Really beefy engraving lol.

But of cause I will install a spindle with more power. Nothing fancy for this project. Just a er25 4kW spindle and an old vacoon vfd laying around.

As I said this is another story. I am familiar with this kind of stuff. No timing caps, no analogue circuits etc are involved. Just voltage stabilisation functions in this cases. And I just dont want to have tantals on the board as long as I dont have to.

Ah and of course. No charging cap and so on. So low esr isnt a problem here too.

But thank you nevertheless.

One: as you said... puff
Two: smd caps is faster to replace. I have to change nearly 30 caps each driver. So 90 in total.

When clipping the old one and soldering the smd on the other side directly on/over the drilled holes its a damn fast way. Cleaning the holes, soldering tantals in, clipping the wires taked more time...

So mainly cause I am lazy. And tantals costs (in comparable quality at my normal suppliers) round about 15 to 20 euros more than smd ceramics.

The drives are 33 years old and the machine was in service till this year on a nearly daily basis. And again. The drives are known for having problems with the tantals. I dont want to have problems later on which I could had easily avoided.