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betsy stone

Cone crusher machines supplier in Kenya - 1 views

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started by betsy stone on 20 Jun 14
  • betsy stone
     
    Another object is a system of the above type applicable to a so-called pressure-off clamping system. Another object is a system of the above type usable with dual rams or rams in pairs so that the bowl may be rotated in either direction automatically.Used Cone Crusher Manufacturer India. Another object is a system of the above type which requires no modification in the structure of the crusher itself and only minor piping changes in the crusher's hydraulic system. Another object is a system of the above type which may be applied to either new machines or conversion of machines in the field at a minimum of expense.

    In FIG. 1 a portion of a conventional crusher is shown and includes a generally circumferential main frame 10 having an outstanding flange 12 at or near its upper end supporting an adjustment ring 14 which is provided with screw threads 16 on its inner surface that match and mesh with corresponding screw threads 18 on the outer periphery of a bowl 20.Suppliers Of Volcanic Crusher In Kenya. The bowl supports an upper wearing element known as a bowl liner 22 with any suitable holding or releasing mechanism 24 so that when the liner is worn out, it may be removed and replaced. The bowl and bowl liner overhang and oppose a crushing head 26 which is mounted for gyration in the main frame, all of which is conventional. The head defines a crushing gap or cavity 28 with the bowl liner through which the material passes and receives crushing nips in a conventional manner.

    An internally-threaded clamping ring 30 is screw-threaded to the bowl above the tilting or adjustment ring with a plurality of clamping units 32 between them. All of the clamping units, as a group, provide an upthrust to the clamping ring which in turn tends to lift the bowl. This functions to eliminate what is known in the trade as thread clearance, which means that the top inclined flank of the bowl threads will be in contact with and under pressure against the bottom inclined flank of the threads on the adjustment ring. Any clearance in the threads will be between the bottom horizontal flank of the bowl threads and the top horizontal flank of the tilting ring threads. Thus, the upthrust of the clamp units 32, through the clamping ring 30, not only will lift and clamp the bowl in the tilting ring tending to prevent it from rotating but also will put the thread clearance, so to speak, on the bottom of the bowl threads so that as the crushing blows are applied upwardly by the head against the bowl, the bowl itself will not vibrate in the adjustment ring.

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