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Old 11-17-2007, 07:42 PM
 
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Bad Machine

I bought a desktop router from China (Silly Me).It went for two weeks and then stopped.I have been fighting the company for 4 weeks to help with ideas for repair.With no luck.I will be adding more info later
Mike
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Old 11-17-2007, 08:24 PM
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Please post the machine type and who you purchased it from.
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Old 11-17-2007, 09:12 PM
 
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Hi Wayne,
I am giving the company one final chance till tomorrow to do something,if no luck
i will name the company and machine type, and the problem with the machine.
I have all the emails to the company to back me up.
Mike
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Old 11-18-2007, 02:02 PM
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Mike,

Let them know they are dealing with a community of CNC'er that could be potential buyer's of their products.

One bad complaint on them would be very bad for their business.
I have seen it happen here before.

Wayne
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Old 11-18-2007, 02:40 PM
 
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Thanks Wayne,i will give that a go and see what happens
Mike
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Old 11-18-2007, 04:19 PM
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Originally Posted by toby51 View Post
I bought a desktop router from China (Silly Me).It went for two weeks and then stopped.I have been fighting the company for 4 weeks to help with ideas for repair.With no luck.I will be adding more info later
Mike

Out of pure curiousity - what is not working - it coulbe something really stupid - describe the fault and maybe someone on the zone might be able to help.
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Old 11-18-2007, 04:41 PM
 
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Hi
When i jog the machine in the X & Y axis it is perfect.But when i jog the Z axis it just judders,the ballscrew tries to turn but just judders.I have changed the stepper motor,taken the ballscrew out it runs free.so i can't think of anything else it might be.
Thanks
Mike
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Old 11-18-2007, 04:55 PM
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Originally Posted by toby51 View Post
Hi
When i jog the machine in the X & Y axis it is perfect.But when i jog the Z axis it just judders,the ballscrew tries to turn but just judders.I have changed the stepper motor,taken the ballscrew out it runs free.so i can't think of anything else it might be.
Thanks
Mike

Put the stepper from the z axis onto one of the other axis too see if its the motor - to me it sounds like you have an alignment problem
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Last edited by Drakkn; 11-18-2007 at 04:57 PM. Reason: lots of typo's
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Old 11-18-2007, 05:34 PM
 
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Hi,
I am only new to this game,i retire in a couple of months and bought the machine to do a few things to keep me busy.If it is an alignment problem,can i fix or would i need someone to repair it.
Mike
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Old 11-18-2007, 05:54 PM
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Originally Posted by toby51 View Post
Hi,
I am only new to this game,i retire in a couple of months and bought the machine to do a few things to keep me busy.If it is an alignment problem,can i fix or would i need someone to repair it.
Mike

I had the very same problem whilst building my machine - and I just checked it all ,could not see what the problem was until I dismantled the Z axis and one of the shafts was slightly bent - replaced the shaft and was back in line.
Maybe you might need a local small engineering company to have a quick look if you are not happy about doing it yourself.

Best of luck in your new time consuming hobby - whatever you end up making with the machine.
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Old 11-18-2007, 06:03 PM
 
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Originally Posted by toby51 View Post
Hi
When i jog the machine in the X & Y axis it is perfect.But when i jog the Z axis it just judders,the ballscrew tries to turn but just judders.I have changed the stepper motor,taken the ballscrew out it runs free.so i can't think of anything else it might be.
Thanks
Mike
Mike what control software does it use?

The first thing to do before pulling motors off etc is lower the rapid speed and acceleration for the Z axis.

Drop it by at least half and see if that makes a difference.

Let us know the result.

Greg
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Old 11-19-2007, 07:42 PM
 
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Hi Greg,The control software is nc studio.I have tried altering the feedrate but still the same.
The ballscrew tries very hard to turn,but it just judders around
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