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Topic Date User

anchor testing rig 20-Sep-2012 At 7:21:06 PM Jim Titt

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On 16/10/2010 GPage wrote:
>I'm going to try and find someone local with a set of crane scales and
>see if they will let me do some pull test so as to calibrate the thing.
>It's going to be the most sure fire way of knowing. Probably also go see
>the engineering dept at the tafe or uni see what they got to play with.
>
>
I´d also get it checked because we have also used this exact type of pull cylinder for a tester we built for someone else.
The 10ton rating is for the strength, not what you will achieve unless you use a different pump, if you back calculate from the pump piston to the cylinder piston you´ll find you have to jump up and down on the pump handle to get anywhere near 10 tons.
We could just get 3500kg on the tester we built using both arms (and I´m 6ft and big).
If you can still use a 10mm stainless maillon after 75kN you must have some good ones, we break 12mm ones at around 60kN and don´t generally use them for bolt testing anyway.