New CNC Mill on the horizon

[fvfdrums]

Many thanks Clive

I am searching around in the hope of finding them a bit cheaper but at least i am on the right track!

Cheers

[njhussey]

You might find it cheaper to get multiple smaller caps, I got 4 x 4700uF ones for a few pounds each, just means more connections to make...

[fvfdrums]

Also... what sort / size cable do people generally use for wiring coming from the psu to the stepper drives and wiring the power elements of the estop circuits bearing in mind I am using the CSMIO from cslabs so its all 24v in relation to the motion controller except the mains in

Just trying to get an idea of whats best to order in bulk

[fvfdrums]

That's great thanks for all that, spent a small fortune on the control cabinets stuff today but it should all arrive in time. Went for 4 smaller caps in the end.

Today's stumbling block is the main belt for the x axis. Measured up and it needs to be 3000mm. I have spoken to a number of suppliers and none can do anything over 2500.

Would a welded polyurethane belt be ok? This looks like it might be the only way I can get one of these to work?

Any suggestions

[njhussey]

How come 3000mm? Isn't your machine footprint 1200 x 900mm? My footprint is 1300 x 950mm and I'm using 2525mm long belt.

Can you not use one belt between the X axis ballscrews and then with a double pulley on one ballscrew just put a short belt to the stepper?

[JAZZCNC]

Would a welded polyurethane belt be ok? This looks like it might be the only way I can get one of these to work?

If your talking about buying a welded belt not knocking one up your self then yes they work fine. My old machine was 3200 with made up belt and never had any problems. In over 5yrs only had to change one belt after pulley fell off which was my own fault.

[fvfdrums]

No the width of the machine now is around 1300 between x axis screws

[fvfdrums]

The problem I have with that and the reason I wanted the one belt is mainly because if the long belt snaps the short one will still be driving one axis.

I'd have just slaved them otherwise :/

[JAZZCNC]

The problem I have with that and the reason I wanted the one belt is mainly because if the long belt snaps the short one will still be driving one axis.

I'd have just slaved them otherwise :/

Not a problem either just put a sensor on longer belt which is tied into E-stop so if it snaps machine stops.!! . . . . I did this with my machine just because I leave it unattended for long periods.

[fvfdrums]

Yeah I have no intention of welding it myself :)

It's from a belting supplier, thanks for confirming that Dean.