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Old Sep 8, 2005 | 01:56 PM
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Manufacturing question

<TABLE id=Table19 cellSpacing=0 cellPadding=2 width="100%"><TBODY><TR><TD vAlign=top>Can you guys check out this chain?

http://tsubakimoto.com/products/chai...ush_chain.html

It uses actual needle bearings between the pin and the roller instead of bushing. So I'm guessing this chain would be a lot more longer lasting. But since it's not very widely used, I'm guessing it costs significantly more to produce. It seems it's only used on conveying applications where precise displacement is important. It's not used on motorcycles or other machines.

Compared to a regular chain bushed chain, how much more costly will this "needle bearing chain" be in terms manufacturing cost?

Thanks for the help.

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Old Sep 8, 2005 | 02:00 PM
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Mechanical chain

Can you guys check out this chain?

http://tsubakimoto.com/products/chai...ush_chain.html

It uses actual needle bearings between the pin and the roller instead of bushing. So I'm guessing this chain would be a lot more longer lasting. But since it's not very widely used, I'm guessing it costs significantly more to produce. It seems it's only used on conveying applications where precise displacement is important. It's not used on motorcycles or other machines.

Compared to a regular chain bushed chain, how much more costly will this "needle bearing chain" be in terms manufacturing cost?

Thanks for the help.
 
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Old Sep 8, 2005 | 04:17 PM
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IMO this will have considerable costs in manufacturing.....with no back lash, the uses could be incredible. As for a longer lasting, anytime you remove "drag" type contact and replace it with rotating friction you will increase the longevity, however once it does start to wear if used in tight tolerance requirement that could cause frequent replacement. Again escalating the cost.
 
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Old Sep 8, 2005 | 04:21 PM
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I noticed the smallest pitch (link to link) size is 75 mm. That's just shy of 3". How big a motorcycle did you have in mind? I'm sure it's frightfully expensive to make.
 
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Old Sep 8, 2005 | 04:26 PM
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It would probably cost more to manufacter, for sure. Is this for a timing chain application? If so, they have a page on the site with high quality timing chains. If you have questions about products, I've found just formulating a list and dropping the Co. an email gets results. If you don't hear back, or the answers are kind of shakey - it's a good indication of the quality of the product. Good companies usually fall all over themselves, giving you more information about a product than you ever wanted to know.

Looks like a good site...
 
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Old Sep 8, 2005 | 04:48 PM
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With those sized pitches, it would seem applicable to large scale robotic applications where large/heavy items must be conveyed and positioned precisely. (ship or bridge component assembly for example.)
 
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Old Sep 8, 2005 | 07:05 PM
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I don't think that chain is really "new". It has been around a long time available from several manufacturers. That is a good company tho.
 
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Old Sep 8, 2005 | 07:27 PM
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I wonder if they'll make one for my old Schwinn Varsity 10 speed..
 
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Old Sep 8, 2005 | 08:13 PM
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I think that's the same company that made the chains I would destroy weekly on my mountain bike. $70 a pop, if I remember correctly. One of the reasons I don't ride anymore.
 
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Old Sep 8, 2005 | 08:34 PM
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Looks like an awful lot of parts to wear out or fail. Probably made for robotic applications. I dont see any o-rings or seals in the photo
I wonder how well all those little rollers would hold up to slamming around on a dirt bike, or on a superbike
 
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Old Sep 8, 2005 | 10:24 PM
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Threads merged.
 
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