Recent content by karl530

Thats a very nice old bit of arn! The cutter head is very similar to a cast iron 6" jointer I have with no makers decals on it. I have been wondering whether to press ahead with a refurb on it as I am nervous about the clam shell design. Do you have any torque specs for the studs? Also would...

They are closer than 3:1 it's get to late for me to think straight and I have been trying to get my head round the most suitable way to power these machines, I have spoken to David at drives direct, I got the impression that the VFD was ok to be matched to the maximum motor HP so for the RAS if...

Hi Bob, That was a speedy reply! I based my price on those given on the airlink transformer website, but upon closer inspection I have realised it was torodial transformers I was looking at not enclosed isolation units d'oh! The transformers I have been looking at are below AU5004 - Enclosed...

Hi Bob, There is a wealth on knowledge in this thread and in you own articles, I Have a question pertaning to phase converter design. In most of the circuits I have seen when there is a need to step-up the voltage (240V to 415) a autotransformer has been employed for this job. Looking at the...