Need advice "right tool for the job"
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Mountain Pass
Joined: Apr 2007
Posts: 184
Likes: 8
From: Ontario
Need advice "right tool for the job"
Quick back story...im a shaftman in the mines. We often need to change brackets that hold the shaft guides in place. These brackets are bolted down to divider timbers. The bolts are 3/4 ×12" We burn the head off the bolt and use a 3lb hammer with a punch to knock the bolt down through the timber. Brutally hard work as the bolts have been sitting in these wet timbers for years. We need a driver/hammer tool that can pound this bolt out. Thinking that some of you fine gentlemen would have ideas,tips and tool
suggestions for this particular task.
Looking forward to this discussion.
suggestions for this particular task.
Looking forward to this discussion.
Fleet Mechanic
Joined: Feb 2009
Posts: 1,672
Likes: 20
From: Nixa
On Barnwood Builders, they found they could use a palm naier and a piece of rebar to knock pins out of the timbers.
Maybe that would work for you. Or maybe move up to an air hammer, they have more oomph behind them.
Maybe that would work for you. Or maybe move up to an air hammer, they have more oomph behind them.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
Depending on the size fastener and the what size tool would be acceptable someone like Milwaukee, Bosch, Hilti, Metabo or any other higher quality tool manufacturer would have something usable? I'm thinking a small demolition hammer like brick mason use frequently? Check this out: Hilti Cordless Demo Hammer
I linked cordless as I don't know how more or less convenient that variation would be.
I linked cordless as I don't know how more or less convenient that variation would be.
Thread Starter
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Mountain Pass
Joined: Apr 2007
Posts: 184
Likes: 8
From: Ontario
Both great ideas...the palm nailer would be nice and compact. Not sure if it would have the oomph needed but certainly worth a try.
the chipping hammer would also work.would hit a lot harder too I'm sure.
will check with our construction crew on getting both for a trial run and get the welder to man. some type of punch/guide for such hammering devices. Will follow up when something gets in the works tks fellas. Definitely has to be batterie operated.
the chipping hammer would also work.would hit a lot harder too I'm sure.
will check with our construction crew on getting both for a trial run and get the welder to man. some type of punch/guide for such hammering devices. Will follow up when something gets in the works tks fellas. Definitely has to be batterie operated.
Hotshot
Joined: Jul 2020
Posts: 10,519
Likes: 2,654
From: Near Salt Lake City
Hercules makes a 10 amp and a 15 amp electric hammer
You will need a 12 inch shank to drive with right?
You may need to weld something up as a collar or to use as an extension
The 15 amp at china freight is a jackhammer style with a 1/1/8 shank (you could have your machine shop turn it down to 3/4)
It weighs 66 lbs and would hack the mission for sure
They also make smaller hand held ones that are 12 and 14 amps that might also work
The harbor freight stuff is cheap so buy the warranty and do not hesitate to return it
You will need a 12 inch shank to drive with right?
You may need to weld something up as a collar or to use as an extension
The 15 amp at china freight is a jackhammer style with a 1/1/8 shank (you could have your machine shop turn it down to 3/4)
It weighs 66 lbs and would hack the mission for sure
They also make smaller hand held ones that are 12 and 14 amps that might also work
The harbor freight stuff is cheap so buy the warranty and do not hesitate to return it
5th Gear
Joined: Feb 2022
Posts: 3
Likes: 1
Well, I'm not a mining expert, but I can tell you what I would do (assuming the bolt is at least 12" long and not rusted too badly). The easiest way would be to have a tool or a machine bolt the nut back on, then back the nut all the way out, eliminate the nut, and put the bolt back in. The other way would be to freeze the bolt and cut the head off with a grinder. Then use a big C clamp to tap the bolt back through the timber. A third way would be to use a spirit level, measure the angle and hammer the bolt straight through.
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