Product Name:
Precision Plug Piston Ceramic Rod
Product Material:
High-purity Alumina ($Al_2O_3$), Yttria-stabilized Zirconia ($ZrO_2$), or Silicon Nitride ($Si_3N_4$). (Customizable based on wear and temperature requirements).
Material Characteristics:
Extreme hardness and wear resistance, Mirror-like surface finish (Ra < 0.1μm), High mechanical strength and fracture toughness (especially Zirconia), Excellent chemical corrosion resistance, Superior electrical insulation, Low thermal expansion, Zero porosity.
Application Fields:
Precision metering pumps, Ceramic plunger valves, High-pressure fluid dispensers, Electronic connector insulation pins, Biomedical sampling probes, Fuel injection systems, Vacuum interrupters.
Application Industries:
Biomedical (Liquid medicine dosing), Advanced Machinery (High-pressure plungers), New Energy (Lithium battery slurry pumping), Fluid Control (Micro-dispensing), Electronic Engineering (High-frequency plugs), Aerospace (Hydraulic actuators), Petrochemical (Corrosive fluid handling), Broad Semiconductor (Precision positioning).
Processing Difficulties:
Maintaining ultra-precise dimensional tolerances (±0.001mm), Achieving mirror-finish polishing to reduce friction coefficients, Controlling coaxiality and cylindricity of long-thin rods, Preventing micro-chipping during diamond grinding of hard ceramic surfaces.
Processing Flow:
Raw material preparation → Isostatic pressing or Ceramic injection molding (CIM) → High-temperature sintering → Precision diamond grinding → Micro-polishing (Mirror finish) → Ultrasonic cleaning → CMM dimensional inspection → Surface roughness testing → Secure packaging.
Delivery Period:
Standard rod sizes: 15-25 days, Custom complex geometries/high-precision orders: 30-50 days.
This Precision Plug Piston Ceramic Rod is designed for applications demanding the highest levels of durability and dimensional stability. By utilizing advanced ceramics like Zirconia or Alumina, these rods serve as ideal piston or plug components in harsh environments where metal counterparts would fail due to wear or corrosion. The self-lubricating nature of the polished ceramic surface significantly reduces friction, extending the seal life in fluid control systems. Whether used as a high-pressure plunger or a precision insulation plug, our ceramic rods provide consistent, maintenance-free performance under extreme mechanical stress.
Key Features
Ultra-Precision Finish: Mirror-polished surfaces minimize friction and wear on seals.
Exceptional Wear Resistance: Hardness second only to diamond, ensuring long-term dimensional accuracy.
Corrosion Immunity: Chemically inert to most acids, alkalis, and organic solvents.
High Strength & Toughness: Zirconia-based options provide the necessary fracture toughness for high-impact or high-pressure cycles.
Thermal & Electrical Stability: Maintains structural integrity and insulation properties across a wide temperature range.
