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I'm having problems with my Optimum BF20L Motor as it's making arking noises which gets worse the faster I run it.
I had been doing some heavy machining and the motor got very hot on a few...

Tony,
I had several attempts at trying to convert this machine to CNC but it was never very accurate.
The limitation I had was the Y-Axis had to much backlash in the bearing and the Z-Axis was...

I cut a track and inserted a 100 ohm current limiting resistor before the 1uf cap and it seems to be OK. On that note I haven't got around to adding this resistor to my other machine and the modules...

Guys,
I worked out the problem with my TB6600 only driving at 30% current. The Clock Pulse is too short from Mach3 (1-5ms).

Solution is change the value of one of the caps to 1uF.
See...

Here are some pictures of my AT300 CNC conversion.

I Used 3x 282oz in steppers which seem powerfull enough however I think 2:1 ratio is the the best for all gears.

This mill has 2 weak points....

Hi,
I have a AT300 that I have converted to cnc.

send me your email address and I will send you some photos.

Cheers,
Glenn

I should be able to make it - so that's a 'Maybe'

I have finished converting my Lathe/Mill to CNC so I will bring photos and movies of my creation.

Cheers,
Glenn

G'Day,
I may need to order a high current stepper motor controller urgently on Monday to fix a piece of machinery. Can any one suggest an Australian company that might have them in stock that I...

Update: I found a great supplier in Victoria that sells timing belts and pulleys.

PIES Australia
www.piesau.com.au

He was very helpful with pulley and belt sizes to match my application and...

Can anyone suggest where I can buy well priced timing belts and pulleys in Australia? I want to couple my stepper motors to my Lathe/Mill but they all seem very expensive?

Here are a few pics...

Claudio,
I'm new to CNC but I would love to come and talk shop if that's ok.

I have a 3-in-1 Lathe/Mill which I have been thinking of converting for a while.

What I can offer is lots of...