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mani.ashutosh
Member

Join Date: Jan 2008
Posts: 9

Problems with Spindle Drive

01/14/2008 12:12 AM

I am having problem with my spindle drive repeatedly i/p fuses are being blown & transistor modules are also blowing I have checked the possibilities but plz suggest me about the possibilities which can also be checked.....
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Nelson de Leon
Commentator

Join Date: Dec 2007
Posts: 74
#1

Re: Problems with Spindle Drive

01/14/2008 11:03 PM

Tight or poorly lubricated bearings?

Loose wires/wiring?

Grounded motor?

Insulation inside the drive?
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mani.ashutosh
Member

Join Date: Jan 2008
Posts: 9
#4
In reply to #1

Problems with Spindle Drive

01/17/2008 1:44 AM

if insulation is taken into consideration what things should be kept in mind & how can it be rectified & one thing more please tell me what things should be kept in mind while replacing a transistor module if the drive is of fanuc make?
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Snaketails
Guru

Join Date: Sep 2007
Location: Wrong end of the yellow brick road in Oz
Posts: 930
Good Answers: 15
#2

Re: Problems with Spindle Drive

01/15/2008 12:08 AM

Motor has been replaced and the motor inductance is too low for the circuit to handle?


I had this problem on a NC from Russia, extreamly low inductance motors and they kept blowing the drive circuit

__________________
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mani.ashutosh
Member

Join Date: Jan 2008
Posts: 9
#3
In reply to #2

Problems with Spindle Drive

01/17/2008 1:41 AM

How can inductance be calculated & what is the criteria to compare it either it is low or high please let me know.
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mani.ashutosh (2); Nelson de Leon (1); Snaketails (1)

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