Recent content by RichardWattUK

jrmicheler - and since it's for work, it's not coming out of my pocket, heh heh :) (Seriously, I wouldn't be surprised if we did have a copy in the company at some point, but it's a much older version, it's been lost during the moves or my predecessor kept it.)

Hi Tom, I've seen that book come up a lot in my searches, and we may have had a copy at one point, but it's probably been lost now. Also, our office firewall seems to be blocking Google Books as a copy of that book is available with a substantial preview on that site but I can't see it, so I'll...

The Wenzel GearTec system already has the ZK worm software option included and it has been used - what's worse is that it seems a lot of the documentation that my predecessor would have created seems to have been not requested when he left or lost when the company has moved buildings (this has...

That's a shame - I know there are several different standards (DIN, ISO, AGMA, British Standards, Japanese Standards) for the ZI, ZA, ZN and ZK worm gears and I thought there'd be something somewhere that would help me define what data would be required off the part drawing (since our customers...

I apologise for cross-posting - I've already posted this question on CrazyEngineers but have had no replies after a few days and I was wondering if someone here could help me: In my current job, I am responsible for maintaining an existing software application that generates a dressing program...

I already know the following values: Point A (xA, yA, θA) Lead measurement (in mm) Projection angle (γA) Lead angle (αA) Sines and cosines of angles θA, γA and αA Coefficients C1, C2, C3 I'm trying to calculate the following values: β from solving C1 ⋅ cos β + C2 ⋅ sin β = C3 Point B (xB...

Summary: I need to translate points on coordinate axes as part of a calculation process Hello everyone, I've created the diagram below to try and explain what I am trying to do as part of an existing software app that's used to generate profiles and programs to drive a CNC machine to grind...

I was thinking the same thing, but that's how it's written in the paper and I've been looking for an errata in case there were any corrections made since but I can't find anything.

Hi, Some of the background related to this question is in this thread, but I've got another question as I'm looking at another problem that has come up with the same application which I'm trying to solve using the equation of meshing for a worm gear and the cutting/grinding tool that creates...

My apologies - I should have labelled the X axis is "the width" and the Z axis is "the radius".

Unfortunately, no to the 3 non planar points - the routine that performs the mapping was written to convert one point at a time and is called from within a loop to work through the profile. The accuracy is the limit placed on the Newton iteration method loops for accepting the root value. Each...

I've taken on a new job recently where I'm having to maintain an existing application that generates a points profile to drive a CNC machine and part of it projects points from an axial plane (which represents the machine's working axis) onto another plane which (I think) acts as as a...

Hi, I'm Richard and I'm from the UK. I'm 45 and have started a job recently where I'm using maths in an engineering environment and will benefit from being able to get answers to questions, especially when I've taken over work from people who've left the company a few years ago and I need to...