CLEM                             CLEM              Overview thermoplastics   •   PS                        •   PE   •   AB...
PS Polystyrene• Properties  –   Very well deformable      V        ll d f    bl  –   Dimensionally stable  –   High gloss ...
PS Polystyrene• Applications  –   Food      F d & medical packaging                 di l      k i  –   Toys  –   Electroni...
ABS Acryl Butadiene Styrene• Properties  –   Impact resistant      I         i  –   Well deformable  –   Easy to glue  –  ...
ABS Acryl Butadiene Styrene• Applications  –   Automotive industry      A        i i d  –   Electronic houdings  –   Machi...
PVC Poly Vinyl Chloride• Properties  –   Good i      G d resistance to li h and humidity                          light d ...
PVC Poly Vinyl Chloride• Applications  –   Roof      R f gutters and d i pipes                      d drain i  –   Outside...
PP Polypropylene• Properties  –   Resistant to high temperatures      R i          hi h  –   Ductile  –   Not sensitive to...
PP Polypropylene• Applications  –   Food      F d  –   Automotive  –   Technical products  –   Packaging  CLEM N.V. Spinne...
PE Polyethylene• Properties  –   Very i      V    impact resistant                       i  –   Very resistant to UV (blac...
PE Polyethylene• Applications  –   Roof il      R f tiles  –   Automotive  –   Transport trays  –   Machine parts  –   Saf...
PMMA Polymethylmethacrylate• Properties  –   Clear      Cl transparant  –   Very printable  –   Easy to deform  –   Not so...
PMMA Polymethylmethacrylate• Applications  –   Light d      Li h advertising                  ii  –   Transparant hoods fo...
PC Polycarbonate• Properties  –   Very i      V    impact resistant with high/low temp’s                       i       i h...
PC Polycarbonate• Applications  –   Machinery      M hi  –   Transparant parts for exteriors (anti vandalism)  –   Lightin...
PET Poly Ethene Tereftalate• Properties  –   Good      G d transparancy  –   Low temperature resistance: 65°C  –   Very to...
PET Poly Ethene Tereftalate• Applications  –   Packaging      P k i  –   Food  –   Bottles for softdrinks  –   Displays  –...
Hybrids• Blends: ABS,PC/ABS,PS/PP,KYDEX,  TPO• Co extrusion: ABS/PMMA• Combined sheets: PE + 3mm foam CLEM N.V. Spinnerijk...
Bayloy ®• Bayloy 10: opaque coloured polycarbonate  sheets• Bayloy 21: PC/PETG blend• Bayloy 40: opaque APET sheets• B l 5...
Kydex• Properties  – Impact resistant    I          i                            –   Stiffness                            ...
CLEM                             CLEM                VACUUM FORMING                                              dHr. Verh...
Overview• Vacuum forming ?• Commonly used techniques• Design: opportunities  restrictions• Finishing          g• Projects...
Vacuum forming ?        Thermoplastic, semimanufactured product        in plate form           p                         3...
Vacuum forming - process                           3 stages in the process       Heating up              Forming          ...
Forming                                              MouldHeated plate                                              Clamp ...
Forming machines 2 basic concepts• Single-station    (discontinuous)• Multi-station  (q  (quasi-continuous)               ...
Forming machines Single-station                   Multi-station (carrousel)  1 treatment station               3 different...
Commonly used techniques• Positive forming  – Usual positive forming  – Forming using pre-blowing  – Forming a vacuum• Neg...
Usual positive forming  Heating  Elastic Forming     iCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Usual positive forming                              improvement via• V i bl wall thickness   Variable ll hi k            ...
ApplicationCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Positive forming + pre-blowing• Better division of wall thickness via pre-  blowing1. Pre-blowing 2. Vacuum   CLEM N.V. Sp...
Positive forming + pre-blowingCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
ApplicationsCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
ApplicationCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Positive forming + vacuum• Better division of wall thickness via vacuum  Vacuum  CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Application                                                Lighting hood                                              (bas...
Negative forming                     Variable wall thicknessVacuum CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Negative forming                            Improvement via• Variable wall thickness                                  sta...
ApplicationCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Negative with stamp• Better division of wall thickness via stamp  1. Stamp stretching 2. V 2 Vacuum  CLEM N.V. Spinnerijka...
ApplicationsCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Negative forming with pre                          pre-    blowing, stamp and vacuum• Better division of wall thickness  1...
ApplicationsCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
High pressure forming (HPF)   At atmosphere                          High pressure        Acute        A t angles?        ...
Negative HPF• Variable wall thickness• Adding texture to the surface is possible  CLEM N.V. Spinnerijkaai 39, B-8500 Kortr...
Negative HPF with stamp• Better division of wall thickness via stamp• Adding texture to the surface is possible  CLEM N.V....
Twin sheet forming• 2 sheets are heated up simultaneously +  formed + welded  CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Design:    opportunities  restrictions• Variable wall thickness             Positive                           Negative• ...
Design:    opportunities  restrictions• Ideal angle          g           135 °, ideal       90°, good         60°, to be ...
Design:    opportunities  restrictions• Conics• A id undercuts, though they are possible  Avoid d     t th     h th      ...
Design:    opportunities  restrictions• Depth of draw    p                                                  Stamp        ...
Design:    opportunities  restrictions• Draw ratio                   sum of all surfaces                 initial thicknes...
Finishing              From plate to final product                                              Vacuum forming with       ...
Finishing              From plate to final product            5-axis milling                    3D measurement            ...
Projects• Realised projects in very diverse domains  –   Medical sector  –   Automotive sector / transport  –   Industry  ...
Projects• Medical sector     Part of radiology device                   Communication aid  CLEM N.V. Spinnerijkaai 39, B-8...
Projects• Automotive sector / transport           Bodywork                             Roof part  CLEM N.V. Spinnerijkaai ...
Projects• Industry        Housing of a loom                       Internal door  CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Projects• Design & display  CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
Projects• Art                                           Pieces of scenery  CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
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Clem plastic shaping

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Clem plastic shaping

  1. 1. CLEM CLEM Overview thermoplastics • PS • PE • ABS • PMMA • PVC • PC • PP • PET – C extrusion Co t i – BlendsCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  2. 2. PS Polystyrene• Properties – Very well deformable V ll d f bl – Dimensionally stable – High gloss – Cheap – Not very chemical resistant – Not i t t t N t resistant to UV CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  3. 3. PS Polystyrene• Applications – Food F d & medical packaging di l k i – Toys – Electronic housings – Displays – Refridgerator interiors CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  4. 4. ABS Acryl Butadiene Styrene• Properties – Impact resistant I i – Well deformable – Easy to glue – Modified = limited outside use – Fairly chemical resistant CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  5. 5. ABS Acryl Butadiene Styrene• Applications – Automotive industry A i i d – Electronic houdings – Machinery – Available with special properties like fire retardant and antistatic CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  6. 6. PVC Poly Vinyl Chloride• Properties – Good i G d resistance to li h and humidity light d h idi – Strong and not brittle – Optical transparancy is possible – Long life span – Fairly chemical resistant – Chloride li k Chl id links are released through burning l d th hb i CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  7. 7. PVC Poly Vinyl Chloride• Applications – Roof R f gutters and d i pipes d drain i – Outside doors – Machinery – Electrical insulation – Medical housings (fire safety) CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  8. 8. PP Polypropylene• Properties – Resistant to high temperatures R i hi h – Ductile – Not sensitive to aging – Cheap – No well thermoformable CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  9. 9. PP Polypropylene• Applications – Food F d – Automotive – Technical products – Packaging CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  10. 10. PE Polyethylene• Properties – Very i V impact resistant i – Very resistant to UV (black) – Very chemical resistant – Hard to glue – Bad form stability – Resistant t h idit R i t t to humidity CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  11. 11. PE Polyethylene• Applications – Roof il R f tiles – Automotive – Transport trays – Machine parts – Safety hoods CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  12. 12. PMMA Polymethylmethacrylate• Properties – Clear Cl transparant – Very printable – Easy to deform – Not so impact resistant – UV stabile and colourfast – Cast C t & extruded quality t d d lit CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  13. 13. PMMA Polymethylmethacrylate• Applications – Light d Li h advertising ii – Transparant hoods for machines – Baths & showers – Roof domes – Design lighting CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  14. 14. PC Polycarbonate• Properties – Very i V impact resistant with high/low temp’s i i h hi h/l ’ – High temperature resistance: 140°C – Very transparant – Suited for exterior with a UV coating – Good fire resistance – Humidity b b t H idit absorbant – Relative expensive CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  15. 15. PC Polycarbonate• Applications – Machinery M hi – Transparant parts for exteriors (anti vandalism) – Lighting (fire resistant) – Safety windows – Safety helmets CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  16. 16. PET Poly Ethene Tereftalate• Properties – Good G d transparancy – Low temperature resistance: 65°C – Very tough – Good thermoformable – Good chemical resistance – Formfast F f t – Good fire resistance CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  17. 17. PET Poly Ethene Tereftalate• Applications – Packaging P k i – Food – Bottles for softdrinks – Displays – Cable insulation CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  18. 18. Hybrids• Blends: ABS,PC/ABS,PS/PP,KYDEX, TPO• Co extrusion: ABS/PMMA• Combined sheets: PE + 3mm foam CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  19. 19. Bayloy ®• Bayloy 10: opaque coloured polycarbonate sheets• Bayloy 21: PC/PETG blend• Bayloy 40: opaque APET sheets• B l 50: opaque coloured PETG sheets Bayloy 50 l d h t• Bayblend: PC/ABS blend y CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  20. 20. Kydex• Properties – Impact resistant I i – Stiffness S iff – Fire resistant – Resilient – Chemical resistance – Dimensional stability – Very good – Easy to colour thermoformable – Low minimal order – No pre-drying needed pre drying quantity – Abrasive resistance CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  21. 21. CLEM CLEM VACUUM FORMING dHr. Verheust V.CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  22. 22. Overview• Vacuum forming ?• Commonly used techniques• Design: opportunities  restrictions• Finishing g• Projects j CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  23. 23. Vacuum forming ? Thermoplastic, semimanufactured product in plate form p 3-D productCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  24. 24. Vacuum forming - process 3 stages in the process Heating up Forming Cooling(plate thickness, sort of material) thickness(form  place dependent) CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  25. 25. Forming MouldHeated plate Clamp system p y Temp. control channels Vacuum channelCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  26. 26. Forming machines 2 basic concepts• Single-station (discontinuous)• Multi-station (q (quasi-continuous) ) CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  27. 27. Forming machines Single-station Multi-station (carrousel) 1 treatment station 3 different treatment stations (loading/unloading, heating, forming)CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  28. 28. Commonly used techniques• Positive forming – Usual positive forming – Forming using pre-blowing – Forming a vacuum• Negative forming – Usual negative forming – Forming with stamp – Forming using pre-blowing, stamp and vacuum• Hi h pressure f High forming (HPF) i• Twin sheet forming g CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  29. 29. Usual positive forming Heating Elastic Forming iCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  30. 30. Usual positive forming improvement via• V i bl wall thickness  Variable ll hi k pre-blowing or vacuum• Inside – correct dimensions CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  31. 31. ApplicationCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  32. 32. Positive forming + pre-blowing• Better division of wall thickness via pre- blowing1. Pre-blowing 2. Vacuum CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  33. 33. Positive forming + pre-blowingCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  34. 34. ApplicationsCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  35. 35. ApplicationCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  36. 36. Positive forming + vacuum• Better division of wall thickness via vacuum Vacuum CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  37. 37. Application Lighting hood (base: 500 x 350) (height: (h i ht 600)CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  38. 38. Negative forming Variable wall thicknessVacuum CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  39. 39. Negative forming Improvement via• Variable wall thickness  stamp• Outside – correct dimensions CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  40. 40. ApplicationCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  41. 41. Negative with stamp• Better division of wall thickness via stamp 1. Stamp stretching 2. V 2 Vacuum CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  42. 42. ApplicationsCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  43. 43. Negative forming with pre pre- blowing, stamp and vacuum• Better division of wall thickness 1. Pre-blowing 2. St 2 Stamp stretching 3. Vacuum CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  44. 44. ApplicationsCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  45. 45. High pressure forming (HPF) At atmosphere High pressure Acute A t angles? l ? •Almost always negative •Acute angles  no problem •Adding texture to the surface is possibleCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  46. 46. Negative HPF• Variable wall thickness• Adding texture to the surface is possible CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  47. 47. Negative HPF with stamp• Better division of wall thickness via stamp• Adding texture to the surface is possible CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  48. 48. Twin sheet forming• 2 sheets are heated up simultaneously + formed + welded CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  49. 49. Design: opportunities  restrictions• Variable wall thickness Positive Negative• 1 side with correct dimensions as a result ofcontact with mould CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  50. 50. Design: opportunities  restrictions• Ideal angle g 135 °, ideal 90°, good 60°, to be avoided to be avoided better best CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  51. 51. Design: opportunities  restrictions• Conics• A id undercuts, though they are possible Avoid d t th h th ibl CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  52. 52. Design: opportunities  restrictions• Depth of draw p Stamp necessary ? •S Secondary d d draw Strong thinning of wall thickness  Stamp from above with controlled ih ll d temperature CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  53. 53. Design: opportunities  restrictions• Draw ratio sum of all surfaces initial thicknessDraw ratio = = initial surface average final thickness CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  54. 54. Finishing From plate to final product Vacuum forming with automatic loaderCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  55. 55. Finishing From plate to final product 5-axis milling 3D measurement benchCLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  56. 56. Projects• Realised projects in very diverse domains – Medical sector – Automotive sector / transport – Industry – Design & display – Art – ... CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  57. 57. Projects• Medical sector Part of radiology device Communication aid CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  58. 58. Projects• Automotive sector / transport Bodywork Roof part CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  59. 59. Projects• Industry Housing of a loom Internal door CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  60. 60. Projects• Design & display CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
  61. 61. Projects• Art Pieces of scenery CLEM N.V. Spinnerijkaai 39, B-8500 Kortrijk
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