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 Processing plastics

 Processing plastics.  Injection moulding. Blow moulding. Rotational moulding. Thermoforming. Plastic extrusion. Calendaring.  Line bending. Compression moulding. The flexibility of elastomers.  Arrangement of kevlar fibres. Non-reinforced concrete may crack under loading.

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 Processing plastics

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  1.  Processing plastics

  2.  Injection moulding

  3. Blow moulding

  4. Rotational moulding

  5. Thermoforming

  6. Plastic extrusion

  7. Calendaring

  8.  Line bending

  9. Compression moulding

  10. The flexibility of elastomers

  11.  Arrangement of kevlar fibres

  12. Non-reinforced concrete may crack under loading

  13. Surface cracks may still be evident

  14. Pre-tensioned reinforcing bars greater strengh

  15. Cross section of ALU composite

  16. Cold rolling

  17.  Case hardening

  18. Processing metals

  19. Shear action

  20.  Blanking and piercing

  21.  Plasma cutting

  22. Laser cutting

  23.  Blanking prior to press-forming

  24. Sheet metal being pressed

  25. Cupping

  26.  Embossing

  27. Deep drawing

  28. Spinning

  29. Stages of the sand casting process

  30. Gravity die casting

  31. Hot chamber high pressure die casting

  32. Cold chamber high pressure die casting

  33. Multi-slide die casting mechanism

  34. The stages of investment casting

  35. Product being pre-formed by compaction

  36. Sintering

  37.  Hand-forging processes

  38. Drop forging including the final product

  39. Cast iron spanner

  40. Rolled steel spanner

  41. Forged spanner

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