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High-speed polisher

This instrument is used for indoor simulation of the polishing effect of car tires on road surfaces. By accelerating the polishing of the aggregates used on the road surface, the wear resistance of the aggregates can be measured.

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Highway aggregate testing instrument series

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This instrument is used for indoor simulation of the polishing effect of automobile tires on road surfaces. By accelerating the polishing of the aggregates used on the road surface, the wear resistance of the aggregates can be measured. This provides a scientific basis for selecting suitable surface course aggregates for road sections with different friction coefficient requirements, for the rational development and utilization of stone resources, for shortening the research cycle of anti-skid roads, and for providing technical references for the development of artificial aggregates.

Main Technical Parameters:
1. Operating Voltage: 380V 50HZ Three-phase five-wire system (with zero line and ground line markings)
2. Road Wheel: Outer Diameter 406mm ± 3mm
3. Rotation Speed: 320r/min ± 5r/min
4. Rubber Wheel: Diameter 200mm ± 3mm, Width 44mm ± 2mm
5. Initial Hardness of Tire: 69IRHD ± 3IRHD
6. Pressure of Rubber Wheel on Road Wheel: 725N ± 10N
7. Number of revolutions 57600 revolutions (approximately 3 hours), with automatic control
8. External Dimensions: 80 × 70 × 112cm (Length × Width × Height)
9. Net Weight: 173kg
Structure:

1 Transmission mechanism — Including motor, pulleys, etc.

2 Road wheel device — Used for installing test pieces 14 blocks.

3 Sand and water feeding device — Sand storage bin, water tank and chute, used for storing abrasives and controlling the amount of sand and water feeding.

4 Counterweight device — Lever, rubber wheel, counterweight and protective cover, etc., used to ensure the specified pressure on the road wheel.

5 Test mold — Used for making stone test pieces.

6 Electrical control device — Used to control the number of revolutions required for the road wheel and the amount of sand feeding.

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High-speed polisher

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