# How to choose the right power screw dimensions given the maximum load

Prialen
TL;DR Summary
Choosing an appropriate Metric ISO 2904 Power Screw given the maximum load
Hi, So I have a uni project and were required to design a jockey wheel and corresponding power screw. We're given a maximum load and have to do the relevant calculations, moment of torque, efficiency etc. My question is I don't understand how to take the given maximum load and find the relevant screw diameter and dimensions, the screw we have to use must be a Metric Trapezoidal thread ISO 2904. Any help would be much appreciated.

## Answers and Replies

Homework Helper
Gold Member
Are you familiar with Machinery's?

Prialen
Are you familiar with Machinery's?
I'm not sure what you mean, if you're asking am I familiar with Machines the answer is no though.

Prialen
I have never seem it before 🙈 would the information I am looking for be in it ?