BOB HATCH, The Plastic Processing Troubleshooter
Home | Consulting | Articles | Seminars | Book: On The Road with Bob Hatch | Contact Me | Free Datasheets

Articles from Bob Hatch

Bob Hatch currently articles for Injection Molding Magazine under the pseudonym The Troubleshooter.

Softer Materials Like Polyethylene Terephthalate Can be Harder to Mold
Watch the Subgates and the Venting in Nylon 6, Polyethylene & Polypropylene
Making Yellow Windows Appear Clear in Polyurethane
A Poor Flow Path: Crystalline and Amorphous Plastic Materials
Common Processing Problems (mp3 audio download)
Nylon Polyamide 6: nylon problems
Weak Plastic Coat Racks
Testy Plastic Tubes
Smaller Parts and Runners Have the Same Needs as Large Ones
Basics of Tab Gates
What Causes Parts To Warp?
Pin Gate Frustration
Thin-Wall Warpage
The Many Causes of Sink
Sizing For a Heated Sprue
A Poor Way To Fill 32 Cavities
Get The Gate Design Right
Big Parts Are Not Difficult To Mold
Gates and Amorphous Materials
Gate Defects Are Almost Always Design Related
Gate-Related Defects
Hot Runners and Living Hinges
Ejector Pin Gates are Sometimes Misunderstood
Gate Location Does Make a Difference
Flow marks tell on moldmaker
What caused the blush?
What made the part crack
Does acetal cycle slower?
A restricted flow mystery
A Troublesome family mold
Source: Injection Molding Magazine

Plastic Injection Molding Troubleshooting Guide


© 2007 Bob Hatch, All Rights Reserved.

Website Designed & Hosted by IDES Inc.