Ball-on-Disc Tribology Testing Machine Supplier China
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Whats/App: +86 156 1874 6768
Web: standard-groups.com
The Pin-on-Disc Machine is a classic tribological testing instrument designed for studying friction, wear, and contact behavior of materials under controlled sliding conditions. You can use a pin or ball sample loaded vertically against a rotating horizontal disc to simulate real-world sliding contacts. The instrument features a pneumatic loading system that minimizes inertia effects on friction and wear response, making it suitable for dry, lubricated, and extended contact-type testing.
Standards
You can perform tests according to these procedures:
(1) ASTM G99 – Pin-on-Disc wear testing method.
(2) ASTM F732 – Reciprocating pin-on-plate friction test method.
(3) DIN 50324 – Methods for testing friction and wear.
(4) ISO/DIS 7148-2 – Guidelines for pin-on-disc friction and wear testing.
Parameters
| Parameter | Specification |
|---|---|
| Rotational Speed | 20 – 2.000 rpm |
| Equivalent Sliding Velocity | 0.05 – 8 m/s |
| Test Track Radius | 0 – 35 mm |
| Load Method | Pneumatic / Weight loading |
| Pneumatic Load Range | 25 – 1.000 N |
| Weight Load Range | 5 – 100 N |
| Cyclic Load Amplitude | Up to 50% of set load |
| Cyclic Load Form | Sine / Triangle |
| Cyclic Load Frequency | Max 1 Hz |
| Friction Force Measurement | 0 – 50 N / 0 – 1.000 N |
| Wear Measurement | LVDT displacement sensor |
| Wear Measurement Range | 0 – 2.5 mm |
| Wear Resolution | <1 µm |
| Contact Potential | 40 mV DC |
| Temperature Measurement | K-type thermocouple |
| Disc Sample | Ø75 mm × 8 mm |
| Pin Sample | Ø8 mm × 35–68 mm |
| Ball Sample | Ø6 mm |
| Drive Motor | 2.2 kW AC vector motor |
| Control & Data Acquisition | Software + USB interface |
Features
(1) Pneumatic loading reduces inertia influence on friction and wear results.
(2) Rigid pin and disc support structure simulates near-flat contact conditions.
(3) Vector-controlled AC motor ensures stable rotation and wide speed range.
(4) Low rotational inertia pin holder enables high-bandwidth friction signal measurement.
(5) Supports constant and periodic cyclic load tests.
(6) Contact potential measurement allows friction state analysis.
(7) Modular design allows multiple sliding and contact configurations.
(8) Supports both rotary and reciprocating motion modes.
Accessories
(1) Standard Ø8 mm pin sample holder.
(2) Standard Ø6 mm ball sample fixture.
(3) Pneumatic loading assembly with load sensor.
(4) Contact potential measurement assembly with slip ring.
(5) Optional LE lubrication test chamber ≤200°C.
(6) Optional HT hot air heating system ≤400°C for dry friction.
(7) Optional R reciprocating adapter, stroke 0–50 mm.
(8) Optional LCA line contact adapter for piston ring–cylinder liner tests.
(9) Optional PV Pin-V / Block-Ring adapter for high-load tests.
(10) CAL calibration kit for load and friction.
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