⚙️ Mold Making
Precision Tooling & Mold Manufacturing Services
🌍 Overview
Quality molds are the foundation of successful injection molding. Tuohai Tech’s mold making division designs and manufactures precision molds using advanced CNC machining, EDM, and quality verification. Our molds deliver consistent performance with extended service life.
📊 Mold Making Capabilities
- Mold size: Up to 2,000 × 1,500mm
- Mold weight: Up to 15 tons
- Cavity tolerance: ±0.005mm
- Mold life: 500K to 5M+ shots
- Lead time: 15-35 days
🔧 Mold Types
Production Molds
High-volume production molds designed for extended service life.
- Hardened steel (HRC 48-52)
- 500K – 5M shot life
- Automated operation
- Quick change inserts
- Hot runner compatible
Prototype Molds
Rapid tooling for design validation and low-volume production.
- Aluminum or soft steel
- 50 – 5,000 shots
- Fast turnaround (7-15 days)
- Cost-effective
- Design iteration support
Family Molds
Multiple different parts in a single mold for assembly kits.
- 2-32 cavities
- Balanced filling
- Shut-off design
- Color coding
- Reduced tooling cost
Stack Molds
Multi-level molds for increased productivity without larger machines.
- 2-4 parting lines
- Double output
- Same cycle time
- Lower cost per part
- Space efficient
📊 Mold Specifications
| Component | Specification | Standard |
|---|---|---|
| Mold Base | DME, HASCO, custom | LKM standard |
| Cavity Steel | P20, 718, S136, H13 | Hardened to HRC 48-52 |
| Core Steel | P20, 718, NAK80 | Polishable grades |
| Ejector System | DME, HASCO components | Interchangeable |
| Hot Runner | Mold-Masters, Husky | Thermo-play compatible |
| Cooling | Conformal channels | Optimized flow |
🔬 Manufacturing Process
Design & Engineering
Every mold begins with comprehensive design and simulation.
- 3D CAD Design: SolidWorks, UG NX
- Mold Flow Analysis: Filling, cooling, warpage prediction
- DFM Review: Manufacturability optimization
- Design Approval: Customer sign-off before machining
Precision Machining
State-of-the-art equipment ensures accurate mold components.
- CNC Milling: 5-axis high-speed machining
- EDM: Sinker and wire electrical discharge
- Grinding: Surface and cylindrical grinding
- Drilling: Deep hole cooling channels
Quality Verification
Comprehensive inspection ensures mold meets specifications.
- CMM Inspection: Dimensional verification
- Trial Molding: Sample parts production
- Part Measurement: First article validation
- Final Approval: Customer sample review
🎯 Mold Features
| Feature | Options | Benefit |
|---|---|---|
| Gating | Edge, submarine, hot tip | Optimal filling |
| Venting | Parting line, ejector pins | Air escape |
| Cooling | Straight, conformal, baffles | Cycle time reduction |
| Ejection | Pins, sleeves, blades, air | Part removal |
| Texturing | SPI, VDI, custom | Aesthetic finish |
| Coatings | Nitriding, DLC, chrome | Wear resistance |
✅ Mold Maintenance
We provide ongoing mold maintenance and repair services to extend mold life.
- Preventive Maintenance: Scheduled cleaning and inspection
- Repair Services: Welding, polishing, component replacement
- Modification: Design changes and updates
- Storage: Proper preservation during downtime
- Spare Parts: Wear components inventory
- Documentation: Complete mold history tracking
💡 Mold Warranty
All production molds come with a 1-year warranty covering manufacturing defects. Extended warranty and service agreements available.
📞 Build Your Mold
Precision tooling for your injection molding projects.