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Old 02-14-2011, 02:15 AM
sjh sjh is offline
 
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need to purchase an encoder

Hi,
I have a Mazak Vertical machining center. While transport Zaxis servo motor's encoder is broken.
Technical spe. of encoder and motor are attached.
Can u help me to purchase it?
thanks
sjh
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Old 02-14-2011, 07:11 AM
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google?

PDF

http://www.atechauthority.com/produc...type=18&id=162

Last edited by johyn; 02-14-2011 at 07:20 AM. Reason: more info
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Old 02-14-2011, 08:36 AM
 
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mitsubishi encoder

You should try contacting Mitsubishi first. They may refer you to Mazak since the motor & encoder is made OEM for Mazak. Or try to find an encoder repair facility in your area.

Good Luck
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Old 02-15-2011, 08:20 AM
 
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I believe this encoder is phased to the motor. Most inverter type servo drives require the encoder and motor to be phased to each other to work properly.
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Old 02-15-2011, 09:55 AM
 
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repairs

Check these guys out
Endeavor Technologies, Inc
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Old 02-15-2011, 11:41 AM
 
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encoder for mitsubishi servo

dear sjh,
pl follow the following steps:
identify the following :
1.the number of pulses on the disc( some marking will be definetly there)
2.the bore size
3.The operating voltage and type of interface of the encoder.
In case you have the number signal lines connected between the drive and encoder its much easier to identify.

Once you have identified then approach encoder supplier across for a the best matching encoder.

All the very best
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Old 02-15-2011, 12:36 PM
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Its an AC servo motor and the commutation pulses are automatically aligned when you replace the encoder,
See this recent posting for the details on the encoder coupler.
http://www.cnczone.com/forums/mazak_...oud_noice.html
They are hard to sub as they are proprietary to Mitsubishi.
Al.
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