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Old 29-05-11, 14:22
Marc van Aalderen's Avatar
Marc van Aalderen Marc van Aalderen is offline
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Join Date: May 2009
Location: Veenendaal, The Netherlands
Posts: 481
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Quote:
Originally Posted by Lynn Eades View Post
It appears from your photo that the wedges are too soft. The rollers have pushed into them . This would make the load on your pull rod much bigger, as the rollers would be trying to climb out of the trench rather than climb a steady ramp.
Hi Lynn, You have sharp eyes! The marks on the wedges are there but very slight, hardly indented. The home made rollers were more damaged. They had flat spots and probably did not roll but slide. I have replaced them with two rollers from a cilindrical roller bearing. Now these will probably prove so hard that the wedges will suffer more. However I had no other option at this moment as I have to drive my oldest daughter to her school ball next tuesday. Next time round I will make new parts and have them hardened so they will last.

Cheers,
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Marc van Aalderen

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