Handbook of molded part shrinkage and warpage / Jerry M. Fischer.
The handbook explains in plain terms why moldings shrink and warp, shows how additives and reinforcements change the picture, sets out the effect of molding process conditions, and tells why you never can have a single ""correct"" shrinkage value. But that's not all. The han...
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Full Text (via Knovel) |
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| Main Author: | |
| Format: | eBook |
| Language: | English |
| Published: |
Norwich, NY :
Plastics Design Library/William Andrew Pub.,
©2003.
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| Series: | PDL handbook series.
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| Subjects: |
MARC
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| 050 | 4 | |a TP1150 |b .F59 2003 | |
| 100 | 1 | |a Fischer, Jerry M. | |
| 245 | 1 | 0 | |a Handbook of molded part shrinkage and warpage / |c Jerry M. Fischer. |
| 260 | |a Norwich, NY : |b Plastics Design Library/William Andrew Pub., |c ©2003. | ||
| 300 | |a 1 online resource (xi, 252 pages) : |b illustrations. | ||
| 336 | |a text |b txt |2 rdacontent. | ||
| 337 | |a computer |b c |2 rdamedia. | ||
| 338 | |a online resource |b cr |2 rdacarrier. | ||
| 490 | 1 | |a PDL handbook series. | |
| 504 | |a Includes bibliographical references (pages 237-239) and index. | ||
| 505 | 0 | |a Pressure-Volume-Temperature (PVT) Behavior -- Recrystallization and Stress Relief -- Mold Shrinkage (<24 hours) -- Post Mold Shrinkage (>24 hours) -- Material -- Crystalline vs. Amorphous -- Anisotropic Behavior -- Effect of Fillers -- Effect of Pigments -- Moisture Absorption -- Low Warp Materials -- Part Design -- Geometry & Thickness -- Sink Marks -- Mold Design -- Gate Design and Location -- Runner and Mold Cooling Design -- Part Ejection -- Processing -- Mold and Injection Temperature -- Holding Pressure and Time -- Injection Speed and Pressure -- Molded In Stress -- Annealing/Stress Relieving -- Post Mold Fixturing -- Factors Affecting Post Mold Shrinkage -- Pitfalls to Avoid -- Gas Assist and Multi Component Molding Options -- Computerized Shrinkage and Warpage Analysis -- How Does It Work? -- Does It Work? -- How Much Does It Cost? -- How and When to Use It -- Shrinkage and Warpage in Specific Applications -- Material Specific Data Collection of Hundreds of Graphs and Tables -- Shrinkage versus: -- Wall Thickness and Part Geometry -- Mold and Injection Temperatures -- Holding and Injection Pressures -- Time at Various Temperature and Humidities -- Filler Content -- PVT Curves -- Shrinkage Comparison for Thousands of Grades -- Discussions on Mold Shrinkage, Post Mold Shrinkage and Warpage -- Glossary -- Index. | |
| 520 | |a The handbook explains in plain terms why moldings shrink and warp, shows how additives and reinforcements change the picture, sets out the effect of molding process conditions, and tells why you never can have a single ""correct"" shrinkage value. But that's not all. The handbook shows how to alleviate the problem by careful design of the molded part and the mold and by proper material selection. It also examines computer-aided methods of forecasting shrinkage and warpage. And most important of all, the handbook gives you the data you need to work with. This is the most complete collection of shrinkage data ever made and includes an extensive compilation of hard-to-find multi-point information on how processing, part design, mold design, material and post mold treatment affect the part's final dimensions. Manufacturers' figures for thousands of grades, along with an exhaustive search of magazines, journals, conference papers, books, web sites and brochures combine to make this a powerful resource. A lot depends on a dimensionally correct molding. Quality, speed to market, profit margins for the molder and toolmaker, the efficiency of secondary and assembly operations, reputation; all these are on the line. The Mold Shrinkage and Warpage Handbook is the book for people who have to live with shrinkage and warpage. It is the only book for people who have to commit themselves. | ||
| 650 | 0 | |a Plastics |x Molding |v Handbooks, manuals, etc. | |
| 650 | 7 | |a Plastics |x Molding. |2 fast |0 (OCoLC)fst01066598. | |
| 655 | 0 | |a Electronic book. | |
| 655 | 7 | |a Handbooks and manuals. |2 fast |0 (OCoLC)fst01423877. | |
| 776 | 0 | 8 | |i Print version: |a Fischer, Jerry M. |t Handbook of molded part shrinkage and warpage. |d Norwich, NY : Plastics Design Library/William Andrew Pub., ©2003 |z 1884207723 |z 9781884207723 |w (DLC) 2002014824 |w (OCoLC)50606412. |
| 830 | 0 | |a PDL handbook series. | |
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