Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd
| Payment Terms | L/C,T/T,Western Union |
| Delivery Time | 5-25days |
| Categories | Tungsten Carbide Mold Parts |
| Features | High Wear Resistance, High Toughness, High Strength |
| Tolerance | ±0.01mm |
| Surface Finish | Polished |
| Feature | High Hardness |
| Size | Customized |
| Appliction | Small Core Working Parts |
| Surface | Blanks or polished grinding |
| Material | Tungsten Carbide |
| Industry | Electronic appliances industry |
| Brand Name | Sanxin |
| Model Number | SX1254 |
| Certification | ISO 9001:2015 |
| Place of Origin | Zhuzhou |
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Product Specification
| Payment Terms | L/C,T/T,Western Union | Delivery Time | 5-25days |
| Categories | Tungsten Carbide Mold Parts | Features | High Wear Resistance, High Toughness, High Strength |
| Tolerance | ±0.01mm | Surface Finish | Polished |
| Feature | High Hardness | Size | Customized |
| Appliction | Small Core Working Parts | Surface | Blanks or polished grinding |
| Material | Tungsten Carbide | Industry | Electronic appliances industry |
| Brand Name | Sanxin | Model Number | SX1254 |
| Certification | ISO 9001:2015 | Place of Origin | Zhuzhou |
| High Light | Monolithic Tungsten Carbide Punch ，Ultra-hard Core Tungsten Carbide Punch ，Burr-free Tungsten Carbide Punch | ||
Burr-free Monolithic Tungsten Carbide Punch for Ultra-hard Core Precision Drilling
Introduction:
Adopting a step punch with integral sintered tungsten carbide (WC ≥ 94%), with a hardness of 92.5HRA and nanoscale transition rounded corners (R0.03mm), it breaks through the fracture bottleneck of traditional splicing punches and achieves precise piercing without burrs for millions of times in micro scale stamping fields such as electronic connectors, medical catheters, and lead frames.
| Component | Content (wt.%) | Tolerance |
|---|---|---|
| WC (Tungsten Carbide) | 94% | ±0.5% |
| Co (Cobalt) | 6% | ±0.3% |
| Impurities (Total) | ≤0.5% | - |
Process:
1. Nano powder step molding
- Isostatic pressing gradient density control (deviation <0.3%)
- Graphite mold accuracy ±1μm (to prevent step deformation)
2. Low pressure SPS synchronous sintering
- Multi-temperature zone precise temperature control (1200℃±3℃)
- Grain boundary diffusion inhibition
3. Pulse electrolysis sharp edge strengthening
- Step transition R angle mirror polishing (Ra 0.02μm)
- Edge residual compressive stress +350MPa (anti-cracking ↑200%)
Application:
1. Precision manufacturing of electronics
- Lead frame: 0.1mm step hole punching (burr <5μm)
- Type-C interface terminal: 0.25mm special-shaped multi-level punching (position accuracy ±2μm)
- PCB plug-in pin: step countersunk hole forming (taper 30°±0.5°)
2. Medical device processing
- Heart stent laser cutting template (0.08mm step hole array)
- Minimally invasive surgical forceps riveting hole (double-stage transition without burr)
- Insulin needle guide hole (Φ0.15mm step expansion hole)
3. Precision mechanical core
- Fuel nozzle micro-hole step forming (roundness error <1μm)
- Clock gear shaft hole fine punching (coaxiality 0.003mm)
- Optical fiber connector ceramic ferrule (multi-level countersunk hole processing)
Company Details
Business Type:
Manufacturer,Importer,Exporter,Seller,Other
Year Established:
2003
Total Annual:
8000000-10000000
Employee Number:
150~180
Ecer Certification：
Verified Supplier
Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,... Zhuzhou Sanxin Cemented Carbide Manufacturing Co.,Ltd is located in Zhuzhou, Hunan Province, which is known as the “Hometown of Cemented Carbide”. It is a national high-tech enterprise that has passed ISO9001:2015 international quality certification system, specializing in manufacturing,...
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