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FrançaisПрецизионный Injection Mold Making
With advanced techniques and equipment, TuohaiTech® is able to produce molds with high quality and tight tolerance from simple to complex design. Our master mold makers combine decades of experience with cutting-edge technology to deliver precision molds that exceed expectations.
Our Mold Making Capabilities
We manufacture molds of all sizes and complexities:
- Mold Size: From miniature molds (100mm x 100mm) to large molds (1,500mm x 1,200mm)
- Mold Weight: Up to 15 tons for large automotive molds
- Cavity Count: Single cavity to 128+ cavity family molds
- Tolerance: ±0.01mm for critical dimensions
- Surface Finish: SPI A1 (mirror) to D3 (textured)
- Mold Life: 100,000 to 3,000,000+ shots depending on requirements
Mold Производство Process
- Проектирование Review: DFM analysis and mold flow simulation
- Mold Проектирование: 3D CAD design with detailed engineering drawings
- Материал Выбор: Choose optimal mold steel for application
- Rough Machining: CNC milling to near-net shape
- Heat Treatment: Hardening and tempering for durability
- Fine Machining: High-speed CNC for final dimensions
- EDM Machining: Electrical discharge machining for complex features
- Polishing: Hand polishing to specified surface finish
- Assembly: Прецизионный fitting of all mold components
- Testing: Mold trial and sample inspection
- Adjustment: Fine-tuning for optimal part quality
- Final Inspection: Complete documentation and quality report
Advanced Equipment
Our mold shop is equipped with state-of-the-art machinery:
CNC Machining Centers
- 3-axis and 5-axis CNC milling machines
- High-speed machining up to 40,000 RPM
- Working envelope up to 1,500mm x 1,200mm x 800mm
- Positioning accuracy ±0.005mm
EDM Machines
- Sinker EDM for complex cavities and deep ribs
- Wire EDM for precision cutting and tight corners
- Surface finish down to Ra 0.1μm
- Positioning accuracy ±0.003mm
Measurement Equipment
- Coordinate Measuring Machines (CMM)
- Optical comparators for quick inspection
- Surface roughness testers
- 3D laser scanners for reverse engineering
Mold Steel Выбор
We select the optimal mold steel based on production requirements:
- P20: Pre-hardened steel for general purpose molds (100K-300K shots)
- H13: Hot work steel for high-volume production (500K-1M shots)
- S136: Stainless steel for corrosive materials and optical molds
- S136 ESR: Electro-slag remelted for mirror polish applications
- M300: Maraging steel for ultra-high strength requirements
- Aluminum (7075): For rapid tooling and low-volume production
Mold Components
We use only premium mold components for reliability:
- Hot Runner Systems: Yudo, Synventive, Mastip, HRS
- Ejector Components: HASCO, DME, Meusburger
- Руководство Pins & Bushings: Прецизионный hardened components
- Side Actions: Hydraulic, pneumatic, and mechanical systems
- Temperature Control: High-efficiency cooling channel design
Качество Assurance
- Complete dimensional inspection with CMM
- Surface finish verification with profilometer
- Hardness testing for heat-treated components
- Материал certificates for all mold steels
- Mold trial with sample inspection report
- Complete mold documentation package
Mold Types We Build
- Single and multi-cavity molds
- Family molds for multiple part variants
- Hot runner and cold runner molds
- Two-shot and overmolding molds
- Insert molds with automated loading
- Unscrewing molds for threaded parts
- Stack molds for high-volume production
- Conformal cooling molds with 3D-printed inserts
Need a precision mold for your project? Contact TuohaiTech® for expert mold manufacturing.