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Thread: Skip hoists

  1. #1
    Posted by D Cooper on June 09, 1999 at 13:00:30:

    Could someone please advise on acceptable tolerances for the rails of an inclined skip hoist with an angle of 12 degrees to vertical. Vertical lift is 38 metres and speed is 0.35m/sec. The payload is 3000 kg.




  2. #2
    Join Date
    Nov 00
    Posts
    6

    Re: Skip hoists

    Posted by Bart Benschop on June 18, 1999 at 00:16:21:

    In Reply to: Skip hoists posted by D Cooper on June 09, 1999 at 13:00:30:

    Your skiphoist is travelling at a very
    slow speed.
    The tolerances for the rail are not very critical.
    Use the tolerances that are used for overhead
    cranes for example.
    I would use as follows:
    Rail centres +/- 3 mm
    Rail level between supports along the rail
    length devided by 1000
    Rail level between the two rails
    span devided by 1000
    These tolerances are adequate for the speed
    you use.


    Kind regards,


    Bart




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