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mcollete
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Join Date: Dec 2008
Posts: 3

Roller Chain Design

12/30/2008 7:17 AM

Which hp(total) of a roller chain is more applicable and advisable to use in designing and determining the number of strands of a roller chain? (a) a hp(total) that is much higher or greater than the design hp or (b) a hp(total) that is nearer to the value of the design hp, since hp(total) > design hp.

Ex.

design hp = 36 hp

(a) hp(total) = 28.6 hp x (1.7) factor for 2 strands

hp(total) = 48.62 hp

48.62 hp > 36 hp

(b) hp(total) = 22.65 hp x (1.7) factor for 2 strands

hp(total) = 38.51 hp

38.51 hp > 36 hp

looking for further respond...

thank.
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8320
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United States - Member - NY Engineering Fields - Mechanical Engineering - BSME Clarkson University '83 Fans of Old Computers - TRS-80 - First PC experience Popular Science - Weaponology - New Member

Join Date: Apr 2005
Location: NY
Posts: 130
Good Answers: 7
#1

Re: Roller Chain Design

12/30/2008 12:06 PM

This doesn't directly answer your question, but have you checked out "The Complete Guide to Chain" site? Section 4.1.2 describes the coefficients used in the selection of multiple strand chain.
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mcollete
Participant

Join Date: Dec 2008
Posts: 3
#3
In reply to #1

Re: Roller Chain Design

01/02/2009 1:54 AM

Thank you! for the respond in my question! i already visit the site but i actually quick scan the whole content!

again thank you!
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DaveB
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Join Date: May 2007
Location: Ohio. USA
Posts: 578
Good Answers: 30
#2

Re: Roller Chain Design

12/30/2008 1:32 PM

The large chain manufacturers all have technical guidelines as to how to apply their chain including margin in different types of applications. Smooth running applications require less margin than rough running applications.

In looking at chain applications, I look at ultimate rated pull force and rated working pull force as well as other attributes.

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mcollete
Participant

Join Date: Dec 2008
Posts: 3
#4
In reply to #2

Re: Roller Chain Design

01/02/2009 1:58 AM

thank you for your respond!

it will help me a lot in choosing right chain for the project i have been working with!!!
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8320 (1); DaveB (1); mcollete (2)

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