air hammer
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Fleet Mechanic
Joined: Feb 2004
Posts: 1,379
Likes: 9
From: midwest
air hammer
i dont have much experience with air hammers, except a cheap one from harbor freight...so far i haven't had much luck with it, but maybe i would have better results with a better quality product. the problem is how can you tell which is better and powerful? the only specs i can find are bpm or stroke. what is the best combo or models?
The Pacifier
Joined: Jan 2003
Posts: 8,245
Likes: 7
From: Cloverdale, BC
I've never been able to figure them out either. I've got a long barrel Snap On that usually has better luck in somebody else's hands.
I usually don't pull it out unless it's my last resort though.
I usually don't pull it out unless it's my last resort though.
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Fleet Mechanic
Joined: Feb 2004
Posts: 1,379
Likes: 9
From: midwest
that makes me feel a little better
could running it at 125psi instead of the recommended 90psi actually hurt performance...i have a 25g craftsman 3.5 hp 175psi compressor that delivers 5.1cfm@90psi
i will stick with what i have until i figure out what the problem is: me, air compressor, air hammer, air hammer accessories, or anything that i might be forgetting
thxs
could running it at 125psi instead of the recommended 90psi actually hurt performance...i have a 25g craftsman 3.5 hp 175psi compressor that delivers 5.1cfm@90psi
i will stick with what i have until i figure out what the problem is: me, air compressor, air hammer, air hammer accessories, or anything that i might be forgetting
thxs
"Mifflin Clay"
Joined: Jul 2005
Posts: 3,177
Likes: 4
From: Mifflin, PA
Originally Posted by someday
i dont have much experience with air hammers, except a cheap one from harbor freight...so far i haven't had much luck with it, but maybe i would have better results with a better quality product. the problem is how can you tell which is better and powerful? the only specs i can find are bpm or stroke. what is the best combo or models?
"Mifflin Clay"
Joined: Jul 2005
Posts: 3,177
Likes: 4
From: Mifflin, PA
Originally Posted by someday
i dont think air hammers are torque rated
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Senior User
Joined: Dec 2004
Posts: 460
Likes: 1
From: Edmonton, Alberta
I found that unless I really leaned on mine that it didn't work worth a darn. So when I'm air hammering, I brace whatever I'm working on, then put all my weight on the air hammer and hit the trigger. I do 5 to 10 seconds bursts and never use it once the compressor has kicked on. The last time I used it, it took a pretty good chunk outta the floor when I slipped off the nut I was cutting off and hit the cement with it! ;-)
BTW - mine's a $19.00 CAD one from princess auto (like harbour freight I think)
BTW - mine's a $19.00 CAD one from princess auto (like harbour freight I think)
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Fleet Owner
Joined: Sep 2005
Posts: 28,609
Likes: 18
From: Lake Tahoe, Nevada
Originally Posted by someday
i dont have much experience with air hammers, except a cheap one from harbor freight...so far i haven't had much luck with it, but maybe i would have better results with a better quality product. the problem is how can you tell which is better and powerful? the only specs i can find are bpm or stroke. what is the best combo or models?
Buy a Chicago Pneumatic. I have had several other brands and none lasted a year, or they were too intolerable to find out how long they would last. There are probably some other good brands but I have had my CP for over thirty years and it has great power and is very controllable. Look for a long stroke. Long stroke equals big impact. Also go for lower bpm because when the operate too fast they are more difficult to control and the faster ones tend to peen rather than drive. Also, buy high quality tools (bits) for them. Keep the tools clean and ground to their proper shape. Oil your air hammer with air tool oil or ATF
Posting Guru
Joined: Sep 2004
Posts: 1,616
Likes: 3
From: Sapulpa OK
Bdox has some good advice. One more thing though, and this goes for any air hammer, even a jackhammer or paving breaker. Do not allow the thing to run without applying pressure to the cutting point. This allows the internal piston to go fully forward and striking the nose of the cylinder rather the tool. This will soon break the piston or cylinder. Always release the trigger when removing the tool from the work.
They also use lots of air and appropriate size hose is a must. It should work well at pressures any where from 60 to 150 PSIG.
They also use lots of air and appropriate size hose is a must. It should work well at pressures any where from 60 to 150 PSIG.
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Fleet Mechanic
Joined: Feb 2004
Posts: 1,379
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From: midwest
bdox, which cp model do you have?
i figured that longer stroke with less blows meant it was packing a bigger punch. my hammer reminds me of a small dog with a lot of bark but no bite. i am looking for something economical, somewhat compact to get into tight spaces, and still pack a punch. similiar to the IR2135QTi impact gun that i just bought. cant wait to see what that thing can do.
thanks for all the advice
i figured that longer stroke with less blows meant it was packing a bigger punch. my hammer reminds me of a small dog with a lot of bark but no bite. i am looking for something economical, somewhat compact to get into tight spaces, and still pack a punch. similiar to the IR2135QTi impact gun that i just bought. cant wait to see what that thing can do.
thanks for all the advice
Fleet Owner
Joined: Sep 2005
Posts: 28,609
Likes: 18
From: Lake Tahoe, Nevada
Air Hammer
Originally Posted by someday
bdox, which cp model do you have?
i figured that longer stroke with less blows meant it was packing a bigger punch. my hammer reminds me of a small dog with a lot of bark but no bite. i am looking for something economical, somewhat compact to get into tight spaces, and still pack a punch. similiar to the IR2135QTi impact gun that i just bought. cant wait to see what that thing can do.
thanks for all the advice
i figured that longer stroke with less blows meant it was packing a bigger punch. my hammer reminds me of a small dog with a lot of bark but no bite. i am looking for something economical, somewhat compact to get into tight spaces, and still pack a punch. similiar to the IR2135QTi impact gun that i just bought. cant wait to see what that thing can do.
thanks for all the advice
Hi Someday,
My air hammer is a CP716. CP's name for it is "Zipgun."
It is not exactly compact. I installed one of those aluminum retainers instead of using the spring type retainer, and with that in place it measures about 10 inches fore and aft. But this thing is in a different league from the others that I have used. As I became accustomed to it I learned to use it for things that I had never thought of.