VIIST is a specialized plastic CNC machining manufacturer focusing on engineering-grade thermoplastics for precision components. We partner with optical, medical, consumer electronics, and automotive industries to deliver custom plastic parts with exceptional accuracy and superior surface quality. Our expertise covers prototyping to high-volume production of complex plastic components.
Our advanced plastic machining capabilities ensure:
Polycarbonate (PC): Impact-resistant, optical clarity
Acrylic (PMMA): Excellent transparency, UV resistance
ABS: Good mechanical strength, cost-effective
HDPE: Chemical resistance, low moisture absorption
| Material | Application | Surface finish | Tolerance Capability |
| Polycarbonate | Optical covers, protective shields | Excellent | ±0.02mm |
| Acrylic (PMMA) | Display windows, light guides | Optical quality | ±0.03mm |
| ABS | Housings, enclosures | Very good | ±0.05mm |
| HDPE | Chemical containers, wear parts | Good | ±0.08mm |
Optical & Display Industry
Medical Devices
Consumer Electronics
Industrial Applications
1. Material Selection & Preparation
Material drying to prevent moisture issues
Stress-relief annealing pre-machining
Grain direction consideration for anisotropic materials
2. Specialized Machining Techniques
High-speed machining: Preventing material melting
Sharp tool geometry: Clean cutting without burrs
Coolant-free machining: Preventing material contamination
Multi-stage machining: Progressive tolerance achievement
3. Post-Machining Processing
Stress relief: Thermal treatment for critical parts
Deburring: Plastic-specific edge finishing
Surface enhancement: Polishing and texturing
Cleaning: Ultrasonic cleaning for optical parts
4. Quality Validation
Dimensional inspection: CMM verification
Surface quality: Visual and instrumental inspection
Functional testing: Assembly and fit verification
Coating performance: Adhesion and durability testing
VIIST offers:
Free Material Consultation: Optimal plastic selection
DFM Analysis: Design for manufacturability review
Rapid Prototyping: 3-5 day lead time
Volume Production: Competitive pricing for large orders
Complete Finishing: Full surface treatment capabilities
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