Quality Magazine

Techniques to improve quality on the shop floor and in manufacturing planning.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

Chemical Engineering

The industry gateway for chemical engineering and plant operations.

more free magazines

Materials

Design

Processes

Units

Formulas

Math
Calculator
This calculator computes the force exerted by a compression spring (with a known spring constant k) when given the spring length before and after loading.

Inputs
  Spring free length, Lfree:    
  Spring length when deformed, Ldef:    
  Spring constant, k:    
Answer
  Force exerted by spring, F:  2.50  lbf
 
Equations Behind the Calculator
The force in the compression spring is found from Hooke's Law,