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  #61  
Old Sat 07 August 2010, 07:43
Red_boards
Just call me: Red #91
 
Melbourne
Australia
So what are the things to look for in chain quality?
I imagine that you get what you pay for, so most here are running to the reassurance of the brand, like IGUS.
I assume that the chain should move freely (some I've looked at don't).

Does anyone have ideas on how to stress test the chains in the store without giving the salesman heart failure?
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  #62  
Old Sat 07 August 2010, 08:38
PEU
Just call me: Pablo
 
Buenos Aires
Argentina
AFAIK in the way we use the chains you need to be sure they stay rigid and self supported and do not bend over themselves, because this type of chain is not designed to do that, if that happens and you move back, it would destroy the chain.

Take a look at page 15 of the datasheet I posted earlier, for the CPS036N chain, it self supports to a length of 2 meters (6.3ft) maximum and a load of 2.5kg (about 5lbs)

I can imagine 2 o 3 things to test, but I don't know if the dealer would be willing to do them
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  #63  
Old Sat 07 August 2010, 21:33
Red_boards
Just call me: Red #91
 
Melbourne
Australia
Thanks Pablo,
That helps. I can check bend radius and self supporting and dimensions.
I can also do a "bite test" for material quality ;-) and check tendency for sideways bend
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  #64  
Old Sun 21 November 2010, 05:31
fanefane
Just call me: Stefan #73
 
Baia Mare
Romania
I bought the E-chain from Claudia. The quality is good though (http://www.driver-motor.com/Products.aspx).
Attached Images
File Type: jpg e- chain1.jpg (157.6 KB, 811 views)
File Type: jpg e-chain2.jpg (180.6 KB, 812 views)
File Type: jpg e-chain 3.jpg (108.7 KB, 810 views)
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  #65  
Old Sun 21 November 2010, 09:17
Polder48
Just call me: polder
 
Edam
Netherlands
Stefan, can't find the info for the E-chain on the weblink. How did you get the info?

Polder
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  #66  
Old Sun 21 November 2010, 10:13
fanefane
Just call me: Stefan #73
 
Baia Mare
Romania
I bought more from them and received an offer. I managed to mount the E-chain. You should ask via mail sales@driver-motor.com .
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File Type: jpg port cablu.jpg (149.4 KB, 806 views)
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  #67  
Old Tue 24 April 2012, 09:43
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
Question on 10 60 315 and 10 60 325?

Should not the height of the mounting plate be extended to match the loop height to match the post by Gerald in thread http://www.mechmate.com/forums/showthread.php?t=498
The loop height is 9.25 inches and if you mount it on top of the 10 60 325 the placement of the bolt holes is at the bottom radius of the 2x4 tubing. So wouldn't it be better to to extend the mounting height of 10 60 315 or place an offset in 10 60 325? This would add an additional bend process and recalculation of the blank length for that part.
I am using the Igus McMaster Carr 4516T22
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  #68  
Old Tue 24 April 2012, 09:55
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
You don't want 315 to be mounted too low on the gantry because it will protrude too much into your workspace under your gantry.

325 can simply be creased to tip its nose up at an angle, and that lifts the first link of the e-chain quite a lot.
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  #69  
Old Tue 24 April 2012, 17:01
pblackburn
Just call me: Pete #98
 
South-Central Pennsylvania
United States of America
Gerald,
I noticed on 10 00 000 that it shows an offset in 10 60 325 but the profile does not have that. Since I elected to use the Igus with the 9.5 loop height I will have to raise up the 10 60 315 1" with cylindrical columns and longer bolts. This way the track will not be lower than the gantry tubing. I only thought it was interesting it was shown in one area but not the other and would be most consistant when looking at the drawings. Maybe only a note would be needed on the drawing to adjust the blank length for 10 60 315 to match the offset that would be needed for the cable chain you select.
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  #70  
Old Wed 25 April 2012, 23:12
Gerald D
Just call me: Gerald (retired)
 
Cape Town
South Africa
Bend up at the red line

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File Type: gif Bend.gif (3.1 KB, 510 views)
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  #71  
Old Tue 02 October 2012, 03:46
andrewuk
Just call me: Andrew
 
leeds
United Kingdom
cable chain

Hi does anyone know what length cable chain is needed fo a 10x5 table...thanks
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  #72  
Old Tue 02 October 2012, 13:22
andrewuk
Just call me: Andrew
 
leeds
United Kingdom
Think i found the answer
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  #73  
Old Tue 02 October 2012, 13:34
smreish
Just call me: Sean - #5, 28, 58 and others
 
Orlando, Florida
United States of America
Andrew,
The formulae is on most cable chain websites.
For me, I always did 1/2 of distance traveled + 1/2 Diameter of bend radius + 24"

That so:
If you have a 10' table.
Actual measured 1/2 length of travel + (1/2 bend radius of 12" x 3.14) + 24" = 102.84" +/- 6" based on your spoil board overtravel area. Most 5' x 10' tables actually travel slightly more. plus end brackets.

Or,
I just order the length of each access and it works with spare links.

Last edited by smreish; Tue 02 October 2012 at 13:41..
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  #74  
Old Tue 02 October 2012, 13:59
andrewuk
Just call me: Andrew
 
leeds
United Kingdom
Thanks sean
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