Broken part on newer Chandler&Price Cutter

Hello everyone,

Looking for some advice for a friend of mine who uses a Chandler & Price paper cutter at his work, he went to cut something the other day and this piece broke, it’s part of the housing for the hydraulic ram.

I am reaching out here to see if anyone can’t point us in the right direction to get a new part, or if finding someone to weld it back together would be an easier way to go.

Thanks for any advice, below are some pictures with the spec plate, model number 31 AC.

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Log in to reply   3 replies so far

This clevis is cast iron and it appears to be under tension when cutting. It is going to be very difficult to weld these ears on and get them to withstand the pressures involved.

My first thought is to go to a hydraulic shop and see if they have a clevis from a hydraulic cylinder that is close to the size of the original and then do some simple machine work to adapt it to the cutter.

The other thought is to weld the ears on and then bend some metal straps to capture the the ears and have the straps extend down further past the broken joint. Then drill and tap the clevis with 4 “Stitch and Lock” “C” series pins below the joint. The reason to use these special pins is that they have a thread that actually draws the base metal tighter to the pin. A regular bolt will work to fasten the straps to the clevis but will weaken the clevis, which is already suspect in tensile strength.

Third option is to have a new clevis machined from some 4130/4140 steel.

Marshall

My suggestion would be to check McMaster-Carr for a part that is threaded the same as the end of the ram, and has a bore in the clevis that is the same as or smaller than the bore required, and that has the same or slightly larger separation of the sides of the clevis. You can then modify it as necessary to make it fit. The part from McMaster will most likely be cast steel or high-quality cast iron and should do the same work as the original.

You should also try to figure out what caused it to break — if something jammed the mechanism you want to eliminate that problem before installing the repaired or replacement clevis.

Bob

I heartedly agree with the advice given above. If you can find a replacement part or have one built, it would be best. Out on the farm the farmer might cobble together a repair that really was a fix. It might last long enough to get the harvest done, or even longer. You are not a farmer needing to rush the harvest in.
The really important part is to determine why the piece broke. That can be hard but needs to be done before going further and having the new piece break.