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Coal Mine Cylinders

Head Machine

Good synchronization and anti side load

The head machine is in the underground for a long time, facing intense vibration , large side load and the gravel soil environment, the heat dissipation condition is poor, plus the continuous work and poor maintenance.  Once the boring machine breaks down, it will bring the big loss to the construction company, therefore the structure fatigue resistance of hydraulic cylinder, the impact resistance and corrosion resistance of the coating, and anti-pollution requirements on the sealing structure are very high.


Product Advantages

1.  High-precision displacement sensor built into the cylinder; it can accurately detect the cylinder stroke through digital analog transmission , to ensure the synchronism of combined cylinder;

2.  The innovative copper piling inside inner hole of guide sleeve makes the hydraulic cylinder have higher anti-bias ability;


3.  Based on high frequency quenching, the rod excircle has excellent wear-resistant, anti-collision and anti-corrosion properties through nickel-chromium, multi-layer chromium and other composite electroplating processes.

 



Main Parameters

Items

Valus

Unit

Scope of application

Bore diameter

50 - 810

mm

Head machines

Rod diameter

36 - 600

mm

Stroke

20 - 3500

mm

Working pressure

16 - 35

MPa

Output force

Push

≤ 18026

KN

Pull

≤ 8135

KN

Working temperature

-40 - 110

Typical Applications

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