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  1. P

    Bouncing head on tracked stacker

    Thanks for the questions. The belt is 15mm thick. Ambient temp this time of year is around 7°c. They were running the system for 3 hours as per their normal test process for tracking, testing Etc. The belt has a hot vulcanized joint. Thanks.
  2. P

    Bouncing head on tracked stacker

    Hi. It's hydraulic, double drive, pillow blocks and motors attached externally. The drum and motors are not oscillating, just a slight bounce like typical for static unbalance, but the drum is balanced statically to 12g, and at the same time 7g&5g unbalance one two planes, (this is actually in...
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    Bouncing head on tracked stacker

    Thanks. It is a folding conveyor, no the tail is not self-cleaning but it's moot at this stage as the machine is brand new in a shed and hasn't been used yet, this bounce was detected during testing. They we just jamming a 4' skid vertically under one side of the rear of the conveyor to support...
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    Bouncing head on tracked stacker

    Thanks for the reply DDoug. No the drums are not out of round, the outer surfaces have been machined concentric ref. the shafts post welding, so not concerned there. Although I do understand the reason for your thinking here.
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    Bouncing head on tracked stacker

    Hi all, new to the forum so hopefully I am in the correct place. My question is as follows and I am so grateful for any advice: I made drive and tail drums for a client for a large tracked stacker, with large overhang at the rear (tail) end. The head was specified as requiring dynamic...
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