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Results 31 to 45 of 46
Thread: CVA mill
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29th September 2014, 08:14 PM #31
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30th September 2014, 08:03 PM #32
Philomath in training
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I think it is a matter of talking to the local rewinder - depends on a number of factors (whether they like doing them that size, how busy they are and so on).
I haven't had a motor done for ages - from memory it was less than the cost of a replacement motor but that's not a good measure these days.
Michael
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30th September 2014, 08:25 PM #33
future machinist
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there's also the the drives direct vfd for $400. I will take the motor for some quotes next week.
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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30th September 2014, 08:44 PM #34
motor
Let us know how you get on Andre
Today, I have pulled the large alloy pulley and its hub from the motor . The more I look at this antique motor, the less I am liking it .
I think most rewinders will tend to shy away from doing this job. The motor is a weird old shape , it doesnt fit in with the modern frame specs most rewinders would be familiar with .
The adapter plate and a new motor is looking more attractive Mike
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30th September 2014, 09:55 PM #35
future machinist
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what about the 925rpm most flange mount motors I have found are 1440 rpm
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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30th September 2014, 10:22 PM #36
poles
You can buy a new 3 ph motor wound with either 2 or 4 or 6 poles . The number of poles determines the rpm
2 pole motors run at 2800
4 pole run at 1440
6 pole run at 960
If you wish to buy a secondhand motor , then it may take a while for you to find a 3/4 hp or 1 hp 6 pole motor .
If you buy a new motor , then no problem, just specify that you want a 6 pole motor with flange mount . Mike
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30th September 2014, 11:05 PM #37
future machinist
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Thanks will investigate next week
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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3rd October 2014, 03:12 PM #38
MOTOR
this motor is ideal Andre..but only 1\2 hp Maybe 1/2 hp would suffice for our needs ..........not sure
http://www.ebay.com.au/itm/111323102...84.m1423.l2649
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3rd October 2014, 07:22 PM #39
future machinist
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I might take a punt I need the thing working still undecided if 1/2 HP is enough
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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3rd October 2014, 08:30 PM #40
Motor
This business will have agents in Sydney I am sure .
http://www.roycecross.com.au/
It may be worthwhile giving them a ring
Mike
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3rd October 2014, 11:09 PM #41
Philomath in training
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Royce Cross are an SA business - if you need a motor picked up and dispatched I can do it for you if they are not able, but I still would like to see the price of a rewind as I that would be the way I would be looking first if it were my mill.
Michael
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4th October 2014, 11:12 AM #42
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21st October 2014, 06:50 PM #43
future machinist
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Well the mill cost me $350 and a motor rewind was $300
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre
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21st October 2014, 07:07 PM #44
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21st October 2014, 07:40 PM #45
future machinist
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I thought it was worth the money just to get it working.
BETTER TO HAVE TOOLS YOU DON'T NEED THAN TO NEED TOOLS YOU DON'T HAVE
Andre