What is the best way to break roller chain, like size 60 or 50 standard. I have a chain brake I bought years ago but when I use it the pin pushes the plate on the other side with it. Maybe I have way too small of a brake? I always end up fighting with the whole roll of chain and grind and use a punch.
- Thread starter hayray
- Start date
I lay the chain on it's side with the respective pin over a hole of some type and break it loose with a big drift punch, then drive it out with an appropriate size pin punch, then move on to the next pin. Nothing too it. Sometimes on larger chains I have to grind the head of the pin off but I try to avoid that if at all possible. Done correctly you can drive the pin back in place to rejoin the chain if necessary, then a dab of 7018 on the head to keep it from moving.
Rod
Rod
Allan in NE
Well-known Member
I grind the nubs off and then use a power chisel with a punch bit to push the pins back.
Makes short work of 'em.
Allan
Makes short work of 'em.
Allan
randallnMo
Member
'ALways fun working with those greasy roller chains huh? Sounds like your chain break is the problem. I grind mine off and use a punch just as the others have stated. Sometimes "intended tools" don't work. THe "greasy" part is what gets me. I"ve started wearing surgical gloves each time I have to repair the roller chains on my skidsteer. Often times I'll use the long sleeves that go up to my shoulder. 'Work especially well whenever I"ve got a chain that's 8-10ft long. Losing the cotter pins is a problem too. I"ll tie a long small strand of plastic baler twine to the cotter pin before I take it out....sure makes it easier to find whenever I (and I always do) drop it.
fixerupper
Well-known Member
Rod, another way to do it if you don't happen to have a hole handy (LOL) is to put a small socket under the chain and then just whack the end of the pin with the hammer. When you're trying to balance the chain on top of a socket you don't have a third hand to hold the drift. I know, you guys will cringe about using a small socket, but when there isn't anything else to use and the $300,000 combine is sitting still just because of a two bit chain, you do it the quickest way you can. Jim
heavyhaulertoo
Member
I always lay the chain out over heavy plate with a hole in it. Use a big enough hammer and take one swing to start. That will stat it, then pin punch it out, that easy.
I've got to be honest... when I get to the point where a chain is breaking... it goes in the scrap pile. It might break once. After that it's gone unless I just can't get a new length at the time. I've wasted more time than enough fixing junk chain only to wear the sprockets out anyway... so now I mostly just change it. Only time I need to shorten a chain is on the bench before it goes to the machine. If it does break on the machine I sometimes drive the pins out right on the sprocket, then fix with a repair (connector) link or offset.
I used to go through a lot of 100H on a Degleman rock rake... all running in a gear lube bath. The black flies that stuff attracts... ohhh I still hate thinking about it.
Rod
I used to go through a lot of 100H on a Degleman rock rake... all running in a gear lube bath. The black flies that stuff attracts... ohhh I still hate thinking about it.
Rod
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