| Customization: | Available |
|---|---|
| Pressing Speed: | Isostatic Pressing |
| Application: | Gas Sealing Applications |
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Product Name:
Tungsten Steel Cylinder Liner with Precision Silicon Nitride Piston Shaft
Product Application: Gas sealing applications
The high hardness and wear resistance of the material are the requirements for the combined use of this product. Tungsten steel, as a super-hard metal, is widely applicable to core working components in precision mechanical industries. Silicon nitride, as a structural ceramic material, has even higher hardness than tungsten steel. Silicon nitride itself possesses lubricity and wear resistance, is crystalline, and exhibits oxidation resistance at high temperatures. Silicon nitride ceramics can withstand thermal shocks and, when heated to over 1000°C in air and rapidly cooled and reheated, will not shatter. Due to its excellent performance, silicon nitride ceramics are suitable for manufacturing bearings, turbine blades, mechanical seal piston shafts, piston rods, permanent molds, and other mechanical components.
The silicon nitride piston shaft is precisely matched with the tungsten steel first, second, and third-stage cylinders to meet the uniform requirements of tight to sliding fits. Each piston shaft and cylinder liner must be machined to size precision to ensure consistency. The assembly dimensions for the silicon nitride piston shaft require a size tolerance of 0, -0.002, concentricity, and total runout meeting 0.002. The three tungsten steel cylinders, processed from tungsten steel, have an inner hole tolerance of +0.004, 0, and requirements for cylindricity and concentricity at 0.002, satisfying the three-stage combination matching of the piston shaft.
Dimension Specifications:
Silicon Nitride Piston Shaft: φ17(0,-0.002)*φ10*φ7-M7-6*φ5.5(0,-0.002)*φ2.2(0,-0.002)*118
Tungsten Steel First-stage Cylinder Liner:φ21*φ17(+0.004,0)*φ4-2*φ104
Tungsten Steel Second-stage Cylinder Liner: φ14*φ5.5(+0.004, 0)*27
Tungsten Steel Third-stage Cylinder Liner: φ12*φ2.2(+0.004, 0)*24.9
About us:
Zhuzhou Sanxin Cemented Carbide Manufacturing Co., Ltd, is engaged in R&D of cemented carbide raw material, processing, selling and aftermarket services.
Advantages:
| 1, National high-tech enterprise certification |
| 2, Processing High tolerance accuracy ±0.001mm |
| 3, Wear-resistant, heat-resistant, and anti-corrosion |
Why choose us:
We always implement these business policies of "quality first, customer first"; "both wholesale and retail are welcome, excellent price for large quantity"; "timely delivery, mutual benefit and simultaneous growth with customer " to expand ourselves in the market.
Why rely on us:
We will continue to uphold the concept of "forge ahead", "focus on innovation", "based on quality, focus on brand" and "provide products with super-expected value for customers"and make ourselves on the road to development.
Why cooperate with us:
We always adhere to the principle of "quality is life", "service creates value", "cooperation promote development", "support partners, develop ourselves"to cooperate with you for developing together.
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