3 Phase motor running slow

[mattylad]

Oops, I missed that bit.

 

[conny]

Hi, I wasn't sure where to ask for help and thought I'd try here - I need some advice on a 3 Phase motor that's running slow - I've got an old woodworking combination machine that's fitted with three small 3 phase 2.2kW motors. I tried to use the table saw earlier today but the motor's running slow and has practically no power/torque - the blade stopped when I tried to rip some 2"x2" softwood - it used to rip 9"x4" oak. The machine's been standing unused for about five years and everything was working fine the last time it was used, although I do remember working it quite hard on a dull blade - but just had to get the job done. All wiring connections are okay, I've tried swapping motors over, but it still ran slow. I'm guessing I need to find a replacement, or get it rewound - I'd just like to know what has caused it lose power so I can avoid it happening again. Many thanks in advance.

Can you give us the following nameplate details;
Kw
RPM
Frame
Shaft Diameter and length, (sometimes they are cut down to fit a certain situation)
Mounting. i.e. is it foot mounted, flange mounted of foot & flange?

One of us may be able to source someone who can give you a price so you know what you are looking at.

Here are a few links for Lincolnshire.

http://electricmotors.co.uk/

http://www.lincsrewinds.co.uk/services/electric-motors/ ***** (this one looks very promising on supply)

https://www.granthamelectrical.co.uk/grantham-electrical-motor-repair/