Classification of Rapid Prototyping Technology and Process

Classification of Rapid Prototyping Technology and Process

SLA

Laser rapid prototyping technology is based on 3 d technology and computer controlled scanning and layered fast discrete principle, forming the accumulation of material to liquid photosensitive resin, after uv laser scanning, layered polymerization curing accumulation finished.

Shenzhen Panida Industrial company as one of the earliest Chinese national rapid prototyping service center, has accumulated rich experience in laser forming, the 3 d SYSTEMS adopted by the company’s laser molding machine and the HUNTSMAN corporation with photosensitive resin RenShape SL7810, making precision up to + / – 0.1 mm.

CNC

Shenzhen Panida Industrial company has introduced many sets of Japan Fanuc, high speed machining center equipment, the maximum speed of 24000 r/min, the machining accuracy of + / – 0.05 mm.Specially used in automotive, medical and other large pieces of sample processing.Material is available in ABS, PC, PP, PMMA, POM, nylon, aluminum alloy, magnesium alloy, bakelite, etc.

Vacuum casting

Under vacuum conditions in castable for deaeration, stirring, preheating, note type, and at 60 ℃, 80 ℃ in the constant temperature box of 2 to 3 hours of secondary curing process. Suitable for small batch trial production of the product development process, the structure is relatively complex, uniform wall thickness, satisfy a certain functional requirements of test samples.

Technical parameters :

Applicable mould: silicone mold life (10-20); resin mold (100);ABS mould (more than 100).

Casting materials: a two-component polyurethane PU.

Properties: like ABS, PP, PMMA/PC transparent, soft rubber parts shore (40-90), high temperature (150 ℃), fire prevention materials and so on.

General working time: 1-4 hours/units

Standard replication accuracy: + / – 0.15 mm / 100 mm

Casting sample thickness: minimum 0.5 mm, best of 1.5 mm to 5 mm

The biggest casting workpiece: 2000 x1200x1000mm.

RIM

 Reaction Injection Moulding-RIM. Is applied to the rapid mould products production of a new technology, it will be a two-component polyurethane materials, after mixing in normal temperature and low pressure injection mould, fast through material polymerization, cross-linking, cure the chemical and physical processes such as forming products. With high efficiency, short production cycle, the advantages of simple process, low cost. Suitable for small batch trial production in the process of product development, and small batch production, the structure is simple and large thick wall covering parts and uneven thickness products production.

Technical parameters :

Applicable mould:resin mold (more than 100);ABS mold (More than 300);Aluminum alloy mold (more than 1000).

Casting materials: a two-component polyurethane PU.

Physical properties: similar to PP/ABS.Products with ageing resistance, impact resistance is strong, fit degree is high, easy handling, etc.

General working time: 15-30 minutes/parts, parts under the environment of 80 ℃ after demoulding curing 2-4 hours.

Standard replication accuracy: + / – 0.20 mm / 100 mm

Casting sample thickness: 10 mm biggest casting thickness.

The largest casting workpiece: 2000 x1200x1000mm, 10 kg.

Auto parts’s rapid prototyping

dashboard, standard process

1) prototype: CNC machining, materials for ABS sheet.
2) mold: A surface characteristics for epoxy resin mold, B side structure for the silicone mold.
3) injection: vacuum injection type, material is PU resin Hei – cast8150 (class ABS material).

4) Post-processing: sandblasting, painting, cladding.

5) Inspection: tooling fixture, three coordinate measuring.

6) Precision control

Prototype parts: main location hole / 1000 mm + / – 0.3 mm, general installation hole / 1000 mm + / – 0.5 mm, other size + / – 1.0 mm / 1000 mm.
Note type: the main location hole / 1000 mm + / – 0.5 mm, general installation hole / 1000 mm + / – 0.8 mm, other size + / – 1.5 mm / 1000 mm.

 the car front and rear bumpers standard process

• prototype: CNC machining, materials for ABS sheet.
• Mould: epoxy resin mold or ABS mold.
• Injection：RIM，the material is PU resin AXSON 875/900 – RIM, HD – RIM4210/1100
• Post-processing: sand blasting, spray paint.
• Inspection: tooling fixture, three coordinate measuring.
• Precision control

Prototype parts: main location hole / 1000 mm + / – 0.3 mm, general installation hole / 1000 mm + / – 0.5 mm, other size + / – 1.0 mm / 1000 mm.
Note type: the main location hole / 1000 mm + / – 0.5 mm, general installation hole / 1000 mm + / – 0.8 mm, other size + / – 1.5 mm / 1000 mm.

Automotive air conditioning standard process

• prototype: CNC machining, materials for ABS sheet.Some components (e.g., dial, tie rod) POM material.
• Mould: silicone mold
• Injection: vacuum injection type, material is PU resin Hei – cast8150 (class ABS material).
• post-processing: sand blasting, spray paint.
• detection: tooling fixture, assembly assembly test.
• Precision control: prototype parts: + / – 0.15 mm / 100 mm.Note type: + / – 0.20 mm / 100 mm.

Auto-lamp prototyping standard process

• Prototype: CNC machining, lamp holder and reflective glass decoration materials for ABS or PC sheet, material is between PMMA lampshade
• mould: silicone mold
• Injection: vacuum injection type, lamp holder and reflective glass decoration material for PU resin Hei – cast8150 (class ABS material);Lampshade material for PU resin AXSON – PX521HT (transparent heat resistant high strength material
• post-processing: painting \ vacuum coating.
• test: tooling fixture, three coordinates testing.
• Accuracy control:
  Prototype parts: main positioning hole + / – 0.3 mm, general installation hole + / – 0.5 mm, other size + / – 0.8 mm.
  Injectiontype: the main location hole + / – 0.5 mm, general installation hole + / – 0.8 mm, other size + / – 1.2 mm.

 the doors and guard standard process

1) prototype: CNC machining, materials for ABS sheet.
2) mold: epoxy resin mold or ABS mold.
3) Injection: RIM, AXSON – 875/900 RIM material for PU resin, HD – RIM4210/1100.
4) post-processing: sand blasting, spray paint.
5) detection: tooling fixture, three coordinate measuring.
6) precision control:
Prototype parts: main location hole / 1000 mm + / – 0.3 mm, general installation hole / 1000 mm + / – 0.5 mm, other size + / – 1.0 mm / 1000 mm.
Note type: the main location hole / 1000 mm + / – 0.5 mm, general installation hole / 1000 mm + / – 0.8 mm, other size + / – 1.5 mm / 1000 mm.

 Ventilation panel standard process

1) prototype: CNC machining, materials for ABS sheet.
2) mold: epoxy resin mold or ABS mold.
3) note: low-pressure perfusion, AXSON – 875/900 RIM material for PU resin, HD – RIM4210/1100.
4) post-processing, sandblasting, painting, vacuum coating.
5) detection: tooling fixture, three coordinate measuring.
6) precision control:
Prototype parts: main location hole / 1000 mm + / – 0.3 mm, general installation hole / 1000 mm + / – 0.5 mm, other size + / – 1.0 mm / 1000 mm.
Note type: the main location hole / 1000 mm + / – 0.5 mm, general installation hole / 1000 mm + / – 0.8 mm, other size + / – 1.5 mm / 1000 mm.

 the outlet duct and standard process

1) prototype: CNC machining, materials for ABS sheet.
2) mold, silicone mold, mold for paraffin wax model.
3) note: vacuum injection type, one-time pouring shape the overall sample.Material for PU resin Hei – cast8150 (class ABS material).
4) post-processing: sand blasting, spray paint.
5) detection: tooling fixture, assembly assembly test.
6) accuracy control: prototype parts: + / – 0.15 mm / 100 mm.Note type: + / – 0.20 mm / 100 mm.

CCB support standard process

1) production: CNC machining, materials for aluminum alloy.
2) post-processing: sand blasting.
3) test: positioning fixture, three coordinate measuring.
4) the precision of control:
Main location hole / 1000 mm + / – 0.3 mm, general installation hole / 1000 mm + / – 0.5 mm, other size + / – 1.0 mm / 1000 mm.

Other auto parts prototyping standard process

• prototype: CNC machining or SLA, materials for ABS sheet.
  2) mold, silicone mold.
  3) note: vacuum injection type, material is PU resin Hei – cast8150 (class ABS material).
  4) post-processing: sand blasting, spray paint.
  5) detection: tooling fixture, assembly assembly test.
  6) accuracy control: prototype parts: + / – 0.15 mm / 100 mm.

Injection type: + / – 0.20 mm / 100 mm.

Email: zed.yang@panidaprototype.com
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