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Author Topic: Parts for polymetric faceting machines  (Read 261 times)

Sharyn

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Parts for polymetric faceting machines
« on: January 02, 2021, 09:30:33 AM »
Hello Iam looking to purchase a polymetric scintilator faceting machine but I can't find any mention on where to purchade the index wheels or different sized dop sticks. ??? If anyone has purchased one of these machines or supplies the parts I would be very grateful for their help
 
Cheers Sharyn

MakkyBrown

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Re: Parts for polymetric faceting machines
« Reply #1 on: January 02, 2021, 09:51:35 AM »
Welcome Sharyn,
Best place would be https://www.polymetricinc.com/ as I'm pretty sure no one stocks parts in Australia.
Cheers
MB

Sharyn

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Re: Parts for polymetric faceting machines
« Reply #2 on: January 02, 2021, 10:22:28 AM »
Cheers Mark. I will have to keep doing some research. Sad my 33 year old gemmasta packed it in. :'(
Cheers Sharyn

Rusted

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Re: Parts for polymetric faceting machines
« Reply #3 on: January 02, 2021, 01:04:38 PM »
What's up with your Gemmasta? There's plenty of experience on here with those machines. Most common problem with earlier Gemmastas is worn out brushes. That's if it's the one with the sewing machine motor. At least get it running so you can get some cash to finance your new machine.

Sharyn

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Re: Parts for polymetric faceting machines
« Reply #4 on: January 02, 2021, 01:30:18 PM »
Hello
 I have decided to upgrade the motor. I wasn't aware that that could be done. So i am going that way  :D. I absolutely love this machine and didn't want to send it to the scap heap so to speak. Plus i have acquired a lot of parts that I would have to replace. Very costly hotthirsty.
Cheers Sharyn

Rusted

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Re: Parts for polymetric faceting machines
« Reply #5 on: January 02, 2021, 05:59:33 PM »
Is your Gemmasta the one with the sewing machine motor? Small motor actually underneath the cast frame of the machine. The brushes will be all that's wrong with it if that's the case, a simple cheap fix. When you look at the motor you will see a couple of black plastic things sticking out either side of the end of the motor, if you unscrew the cap with your fingers you will be able to get at the brushes, from memory they are 4mm by 4mm by about 12mm long You might get them at a sewing machine shop or failing that I think I have a set around here somewhere, I used to have a Gemmasta.

Unplug it from the power before doing any of this.

Sharyn

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Re: Parts for polymetric faceting machines
« Reply #6 on: January 03, 2021, 06:00:23 AM »
No it's  set upright on top. It has fins all the way round. The problem is it starts of fast then slowly dies to a stop. my dad used to fix it for brushes but he couldn't solve this problem. But this he couldnt work out. I even asked Andrew at Aussie Sapphires but no body could tell me what the problem was.
Cheers Sharyn

Rusted

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Re: Parts for polymetric faceting machines
« Reply #7 on: January 03, 2021, 11:14:41 AM »
I have heard of this problem but sadly have no idea what the person did to fix it.
Do you have a place in your town that fixes electric motors? Someone there would surely have the smarts to figure this problem out.
It sounds like a faulty component in the speed controller, probably a capacitor that has dried out over the years. Sorry that's about the limit of my knowledge on the GF4.

Sharyn

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Re: Parts for polymetric faceting machines
« Reply #8 on: January 03, 2021, 11:57:07 AM »
Thanks. Tried all that. So I will just get it modified. I found out that Gemcuts in Ballina do it so I will send it down to them .  I Was going to take it down myself but we can't go into the foriegn country called N.S.W. yet.  ::). Thanks for all the help.
Cheers Sharyn

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