42CrMo4 Precision Piston Rod
Product Overview
The Precision Piston Rod is manufactured with advanced CNC machining and multi-step grinding to ensure high dimensional accuracy, excellent surface quality, and stable performance.
Material & Process
- Alloy steel, carbon steel, stainless steel
- CNC turning and precision grinding
- Polishing to achieve mirror-like finish
- Strict dimensional inspection and testing
Features & Advantages
- Tight tolerances for diameter and roundness
- Concentricity maintained between core and surface
- Mirror surface finish Ra ≤ 0.2 μm
- Reduced vibration and noise during operation
Applications
- Robotics and automation systems
- Precision measuring equipment
- Medical devices and instruments
- High-speed linear actuators
Customization Options
- End machining: splines, keyways, threads
- Bore and taper machining
- Stainless steel 304 / 316 available
- Optional ceramic or nickel plating
Technical Parameters (Example)
| Diameter range |
5-80 mm |
| Length tolerance |
±0.01 mm |
| Concentricity |
≤ 0.005 mm |
| Surface roughness |
Ra ≤ 0.2 μm |
Chemical Composition