7 T H E D IT I O N Low Volume Injection Molding for Specialty Equipment ISO 900
7 T H E D IT I O N Low Volume Injection Molding for Specialty Equipment ISO 9001:2008 CERTIFIED DESIGN GUIDE FOR REACTION INJECTION MOLDED PLASTIC PARTS New for this 7th Edition • Technical RIM seminars are available at your desktop on your schedule. These seminars are at the following websites: www.mdmwebinars.com http:// http:// www.premoldcorp.com/resources-library/ • Get the latest on RIM and Premold on our blog http://www.premoldcorp.com/category/news-and-events/ • Download our RIM Design Guide from our website or view directly http://www.premoldcorp.com/design-guide-download/ © 2002 Premold Corp. Page 1 © 2012 Premold Corp. PREMOLD CORP. RIM DESIGN GUIDE TABLE OF CONTENTS Page No. Section I - About the RIM Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5 - Advantages of the RIM Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - RIM Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - Understanding the Process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - Gating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - Resin Flow and Venting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5 Section II - Design Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-20 - Minimizing Mold Costs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-7 - Parting Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - Wall Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - Draft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 - Ribs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-10 - Bosses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11-12 - Radii and Fillets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 - Holes, Grooves and Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12-14 - Joints Between Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14-15 - Molding Small Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 - Letters and Logos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 - Undercuts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 - Snap Fits and Molded-In Hooks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17 - Threaded Inserts and Self Tapping Screws . . . . . . . . . . . . . . . . . . . . . . . . . .18-19 - Insert Molding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 Section III - Painting & Decorating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20-21 - Specifying Surface Finish . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 - Part Color . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 - Texture Painting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 - Color Matching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20-21 - Multi-Colored Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21 - Specifying Paint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . uploads/Finance/ design-guide-pdf.pdf
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- Publié le Aoû 22, 2021
- Catégorie Business / Finance
- Langue French
- Taille du fichier 2.9424MB