ASTM G99 Precision Rotary Vacuum Tribometer Manufacturer
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Whats/App: +86 156 1874 6768
Web: standard-groups.com
Precision Rotary Vacuum Tribometer is a laboratory-grade tribological testing system designed for friction, wear, and rolling contact fatigue testing under controlled vacuum, inert gas, or atmospheric environments. You use this instrument to simulate real contact conditions between materials by precisely controlling load, rotational speed, pressure, and test duration. The system integrates a sealed vacuum test chamber, servo-driven rotary spindle, pneumatic load actuation, and high-resolution torque and force measurement to support advanced tribology research and materials evaluation.
Standards
The system supports test configurations equivalent to the following standards:
(1) ASTM D2266 – Standard Test Method for Wear Preventive Characteristics of Lubricating Grease (Four-Ball Method)
(2) ASTM D3702 – Standard Test Method for Wear Rate and Friction Coefficient of Materials in Self-Lubricated Rubbing Contact
(3) ASTM G99 – Standard Test Method for Wear Testing with a Pin-on-Disk Apparatus
(4) ASTM F2661 – Standard Test Method for Rolling Contact Fatigue Using a Ball-on-Disk Configuration
(5) ISO 7148 – Plain bearings — Testing of tribological properties of bearing materials
Parameters
Tribometer System
| Parameter | Specification |
|---|---|
| Load Range | 20 – 2000 N |
| Rotational Speed | 10 – 1700 rpm |
| Maximum Friction Torque | 5 Nm |
| Load Actuation | Pneumatic bellows |
| Motor Type | Servo motor with encoder feedback |
| Speed Control Ratio | 100:1 |
| Test Configurations | Four-ball, thrust washer, pin-on-disc, spiral orbit ball-on-disc |
| Roughing Pump | Rotary vane pump |
| High Vacuum Pump | Turbomolecular pump |
Test Chamber
| Parameter | Specification |
|---|---|
| Ultimate Vacuum | Down to 100 picobar (10⁻⁵ Pa) |
| Environment | Air, inert gas, or vacuum |
| Chamber Material | 304 stainless steel |
| Surface Finish | Glass bead blasted |
| Viewports | Fused silica |
| Electrical Feedthrough | 1 kV, 15 A |
| Coaxial Feedthrough | BNC flange |
| Thermocouple | Type K |
| Vacuum Measurement | Cold cathode and Pirani gauges |
| Leak Rate | < 10⁻⁷ mbar·L/s |
| Rotary Feedthrough Pressure | Up to 10⁻⁷ Pa |
| Rotary Feedthrough Temperature | Up to 80 °C |
Features
Bench-mounted vacuum tribometer with fully sealed stainless-steel test chamber
Servo-driven rotary spindle with high speed stability and encoder feedback
Pneumatic bellows load system with in-line force transducer for precise load control
High-resolution friction torque measurement using torsional flexure and capacitance sensing
Electrical insulation and slip-ring design for electrical contact potential measurement
Bake-out heaters to support chamber out-gassing and vacuum preparation
Supports both sliding wear and rolling contact fatigue testing
Accessories
(1) Four-ball wear test adapter
(2) Thrust washer test adapter
(3) Pin-on-disc / three-pin-on-disc adapter
(4) Spiral orbit ball-on-disc rolling contact fatigue adapter
(5) Electrical slip ring assembly
(6) Bake-out heater assembly
(7) Vacuum pumping system and gauges
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