Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

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Materials

Design

Processes

Units

Formulas

Math
Diagrams and Calculator Inputs
 Thickness of Angle Beam h =   
 Radius of Inside Corner r =   
 Wing of Angle Beam a =  >> h
 Hight of Angle Beam H =  a + h >> h

Stress Concentration Factor

Input data

h = 10 mm
r = 10 mm
Answer
 1.58
 
 
Note that the stress concentration factors are calculated from experimental data using curve fitting, so only two decimal places are given.