HP Robot Wrist Improvement Kit
Enhanced Wrist Bearings for AMAT Robots
The SSS Co HP Robot Wrist Improvement Kit addresses the mechanical and contamination issues found in standard AMAT® robot wrist designs. Our improved bearing system enhances wafer loading reliability, simplifies installation, and significantly reduces particle generation—all at one-third the cost of OEM parts.

Why Upgrade?
- Reduces vibration and improves wafer handling precision
- Simple installation with no torque control required during assembly
- Utilizes low particle, retainer-free bearings made of silicon nitride
Issues with Standard Wrist Designs
Uses duplex clamp with critical torque tightening
Over-torquing causes bearing stress, premature failure, and particle generation
Under-torquing risks screw loosening and misalignment during motion
Features of the Improvement Kit
- Newly designed duplex clamp eliminates the need for torque-controlled tightening
- Wave washer ensures equal bearing pressure without overtightening
- Redesigned lower captive and robot blade eliminates pressure distortion
- Delivers long life and high reliability with low-maintenance performance
Why Choose SSS Co
- Proven expertise in wafer handling and system upgrades
- Trusted by fabs for advanced material integration and precision solutions
- Full installation and application support available