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Making new thread in a shaft of Jumbo Roll
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Making new thread in a shaft of Jumbo Roll
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Making new thread in a shaft of Jumbo Roll
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08-22-2008, 12:59 PM
Post: #1
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Making new thread in a shaft of Jumbo Roll
Dear all,
Pls let me know if anyone has an experience to make new thread for a shaft, due to the old one has been broken and ground, it is advisable to build-up by wire flame / arc-spray thermalspray process and then make new thread ?? shaft diameter is 130mm, thread length is 50mm, total length of the roll is 5150mm, OD roll :429mm, Face length 4460mm. We plan to build-up by welding process in order to make more stronger than T/S or the other alternative in to make ring and then thread the ring. Any suggestions ?? pls let me know and thanks in advance for join in this forum... |
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08-22-2008, 02:40 PM
Post: #2
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RE: Making new thread in a shaft of Jumbo Roll
Hi iwan-sedaryawan
 to the Surface Engineering Forum.Quote:Pls let me know if anyone has an experience to make new thread for a shaft, due to the old one has been broken and ground, it is advisable to build-up by wire flame / arc-spray thermalspray process and then make new thread ?? I would say no, in the majority of cases thermal spray coatings are not strong enough in this situation. Use welding process or sleeve with threaded ring. I will move this thread to the Surface Engineering Forum section. Regards Gordon www.gordonengland.co.uk www.surfaceengineer.co.uk Photography Obsession |
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