POLY JET PROCESS - An effective RP Technique for Sheet Metal Works - PowerPoint PPT Presentation

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POLY JET PROCESS - An effective RP Technique for Sheet Metal Works

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Sheet Metal Works * ... well metal parts made either by RPT combined with metal casting processes or by poly jet, are inserted earlier as usual into dummies and tests. – PowerPoint PPT presentation

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Title: POLY JET PROCESS - An effective RP Technique for Sheet Metal Works


1
POLY JET PROCESS - An
effective RP Technique for Sheet Metal Works
2
RAPID PROTOTYPING
Rapid prototyping is a layer -based fabrication
that quickly create physical objects from CAD data
3
Technology Overview
  • These tools range in cost from 30,000 to
    800,000
  • gt100K are typically called rapid prototyping
    systems
  • lt100K are usually called 3D Printers
  • There are significant differences in speed,
    cost of operation and materials used. These
    differences drive different firms to make
    different choices for different use occasions

4
Different types of RP methods
  • The Poly jet process
  • Stereo lithography (SLA for stereo lithography
    apparatus),
  • Selective laser sintering (SLS),
  • Fused deposition modeling (FDM),
  • Laminated object manufacturing (LOM),
  • Inkjet systems and three dimensional printing
    (3DP).
  • Solid Ground Curing

5
Basic process
6
THE POLY JET PROCESS
The Poly Jet 3D printer rapid prototype system
deposits liquid acrylic photopolymer through
nozzles to produce plastic 3D models for concept
analysis, functional prototypes, silicone and
urethane molding, and end product use.  The Poly
jet 3D printer uses acrylic and flexible
rubber-like photopolymers that are cured to
solids via exposure to ultraviolet light
7
RAPID PROTOTYPING TECHNIQUES TO MANUFACTURE SHEET
METAL
  • By using Rapid Prototyping Techniques (RPT) car
    manufacturer today produce plastic parts for
    Prototypes faster and even cheaper compared to
    the techniques used up to now.
  • As well metal parts made either by RPT combined
    with metal casting processes or by poly jet, are
    inserted earlier as usual into dummies and tests.
  • As a consequence of this process the automotive
    industry increasingly demands to have sheet metal
    parts also earlier than now at their disposal.
  • Sheet metal forming tools are geometrically
    complex, massive and require a high surface
    quality. The material must be stiff and resistant
    to pressure and wear.

8
SLR cover
Complicated angle of 45 degrees
0.8mm Thickness
9
SLR cover
10
A complicated shapes Motorola cell phones which
can only done by RP technique
11
Advantages of Rapid Prototyping process
  • It can do any intricate shape
  • Good surface finish
  • No material waste
  • Less time
  • Poly Jet Advantages
  • High quality
  • Highly accurate
  • Fast
  • Versatile

12
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13
Medical Applications
  • The fanciful image shows the possibility of
    printing or fabricating human hearts. This heart
    here shows the stepping stone to the next Gen
    extreme complex yet realistic models, which will
    be a boon to the Medical field.
  • Mandible bone built by ZCorp 310 machine (Poly
    jet process)

14
  • Conclusion
  • Finally, the rise of rapid prototyping has
    spurred progress in traditional subtractive
    methods as well. Advances in computerized path
    planning, numeric control, and machine dynamics
    are increasing the speed and accuracy of
    machining
  • For certain applications, particularly metals,
    machining will continue to be a useful
    manufacturing process. Rapid prototyping will not
    make machining obsolete, but rather complement
    it.

15
THANK U
16
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