Multi-rope Friction Mine Hoist | JK New-Type Mine Hoist Winch Configuration Parameters

Spot market prices remained largely stable, with most transactions occurring at lower prices—high-price deals proved particularly challenging. This "double bind" situation indicates that while there is some trading activity in the market, it’s not enough to spur an upward price movement.

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Electrical Control System for Hoist Journal Bearing Wear Conditions

Regarding the wear condition of the elevator shaft neck, the repair process involves using either the front or rear shaft shoulder as a reference surface to ensure concentricity during restoration. Meanwhile, the inner bore of the tooling is precisely finished on a lathe to meet the required roundness and basic dimensions after repair. The repair procedure itself is straightforward: simply use an oxy-acetylene torch to heat and remove oil from the worn area.

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