Rotational Moulding of Plastics

Rotational Moulding of Plastics
اسم المؤلف
R. J. Crawford
التاريخ
23 سبتمبر 2019
المشاهدات
التقييم
(لا توجد تقييمات)
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Rotational Moulding of Plastics
Second Edition
R. J. Crawford
Contents
Introduction to Rotational Moulding
RJ.Crawford
Chapter 1
1. Introduction
2. Materials
3. Rotational moulding machines
4. Moulds
5. General design procedures for plastics
References
Abbreviations
Chapter 2 Rotational Moulding of Polyethylene
R.I.Kliene 32
History of development
Polyethylene properties
Polyethylene powders
Polyethylene additives
Polyethylene processing
Applications
References 60
Chapter 3 Rotational Moulding of Nylons
F. Petruccelli 62
1. Introduction and chemistry
Manufacture of nylon resins
Compounding
Processing
Properties of moulded nylons
Finishing and machining of nylons
Nylon applications
References
Chapter 4 Rotational Moulding Machines
W.H.Covington, Jr Design Case Studies
ri\X T u/nocAlI
100 Chapter 8 178
1. Introduction
2. The rotation process
Rock and roll machines
Box oven machines
Shuttle-style machines
Clamshell machines
Vertical style machines
Fixed-arm turret machines
The independent-arm machine
100 178
3. 106 183
Aspects of design
industrial containers
Conclusion
swtodgements
9. P 114 process Control for Rotational Moulding
Chapter 5 Sheet Metal Moulds 1. Introduction 196
2. Principles of process control
3. Control of part properties
4. Processing advantages
5. Machine improvements
6. Quality control
References
TJ.Taylor 118 196
1. Introduction 118 204
207
Tool construction and design
Surface finish
Special features
Venting
Mounting
Maintenance
Pin-holes and Bubbles in Rotationally
Moulded Products
A.G.Spence and RJ.Crawford
7. 142 Chapter 10
Chapter 6 Cast Aluminium Moulds
S.Scaccia
143 1. Introduction 217
1. History
Product design
The pattern
Mould
.design
Function and operation of mould
Maintenance
143 Mjj 217
2. 143 ng material on bubbles 219
3. 144 224
45.. 149 145 a^er^pressure oval using mi vacuum pressureon the mould 228 239
6 151 References 241
Acknowledgements 242
Chapter 7 Design of Rotationally Moulded Products Disclaimer
G.L.Beall
Designing rotationally moulded plastic products
Rotationally moulded plastic part design
2.1 Wall thickness
Wall thickness uniformity
2.3 Closely spaced parallel walls
2.4 Warpage
Stiffening ribs
Kiss-off ribs
2.7 Draft angles
Surface finish
2.9 Undercuts
2.10 Holes
2.11 Comer radii .
2.12 Tolerances
1. 153 Chapter 11 Rotational Moulding of Liquid Polymers
2. 158 RJ.Crawford 243
ft ofliquid polymers in a rotating mould
conditions on the wall
168 batons for the rotational moulding
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