Author Topic: drilling , reaming and lapping??? for a new barrel  (Read 738 times)

Offline correntinos

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drilling , reaming and lapping??? for a new barrel
« on: May 20, 2019, 11:52:41 PM »
other newie question , reaming and lather lapping or only reaming??? is for a smooth bore  barrel .

thanks again from argentina
« Last Edit: May 21, 2019, 01:35:08 AM by correntinos »

Offline G_T

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Re: drilling , reaming and lapping???
« Reply #1 on: May 21, 2019, 12:53:22 AM »
Is the bore in good condition, and already smooth? What are you trying to correct?

Gerald

Online Daryl

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Re: drilling , reaming and lapping???
« Reply #2 on: May 21, 2019, 12:59:39 AM »
Yes - what is YOUR purpose? Is it pitted and/or have boring marks?
Daryl

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Offline correntinos

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Re: drilling , reaming and lapping???
« Reply #3 on: May 21, 2019, 01:34:21 AM »
is for a new barrel excuse me I dont write this  past in the first post

Offline Dphariss

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #4 on: May 21, 2019, 03:03:48 AM »
other newie question , reaming and lather lapping or only reaming??? is for a smooth bore  barrel .

thanks again from argentina

I would drill, ream and then use an expandable barrel lap the smooth and polish it.

Dan

https://www.travers.com/brass-barrel-blind-hole-laps/p/112470/
No, sir, I don't give 'em $#*!, I just tell the truth and they think it's $#*!. Harry S Truman

Offline Dphariss

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #5 on: May 21, 2019, 03:04:34 AM »
other newie question , reaming and lather lapping or only reaming??? is for a smooth bore  barrel .

thanks again from argentina

I would drill, ream and then use an expandable barrel lap the smooth and polish it.

Dan

https://www.travers.com/brass-barrel-blind-hole-laps/p/112470/

Using a rod by hand not in a machine.

No, sir, I don't give 'em $#*!, I just tell the truth and they think it's $#*!. Harry S Truman

Offline correntinos

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #6 on: May 21, 2019, 04:35:26 AM »
great dear Dpharis which abrasive do you use whit the rod ????

Offline Bob Roller

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #7 on: May 21, 2019, 03:15:38 PM »
great dear Dpharis which abrasive do you use whit the rod ????

I have seen everything used for lapping from Colgate tooth paste to coarse valve
grinding compound used in valve repairs on car engines.

Bob Roller

Offline correntinos

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #8 on: May 21, 2019, 04:57:34 PM »
Thanks a lot Bob


Offline HelmutKutz

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #9 on: May 29, 2019, 04:47:33 PM »
If the reaming is done correctly, there is no need to lap or polish a smooth bore. If it is to be used for round ball, it will be best to not polish or lap unless there is a problem as making the surface too smooth creates problems. If the bore is to be used with unprotected bird shot pellets, polishing should not be done on the 3cm closest to muzzle.
HK

Offline T*O*F

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #10 on: May 29, 2019, 07:46:09 PM »
Quote
is for a new barrel excuse me I dont write this  past in the first post
This is confusing.  Have you already purchased a new barrel or are you making your own barrel from a piece of round stock?
If you purchased a new barrel, then none of this applies, as it has already been done.
If you are making your own barrel, then it all applies.

Which is it?
Dave Kanger

A dedicated person with just a pocketknife can accomplish more than a lazy person with an entire toolbox.

Offline Dphariss

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #11 on: May 29, 2019, 09:27:54 PM »
great dear Dpharis which abrasive do you use whit the rod ????

I would try 220 grit to start then go to 320 and 600 depending on how it looks.
If a hand turned square bit is used then lapping may not be needed.
Dan
No, sir, I don't give 'em $#*!, I just tell the truth and they think it's $#*!. Harry S Truman

Offline correntinos

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Re: drilling , reaming and lapping??? for a new barrel
« Reply #12 on: May 30, 2019, 01:04:30 AM »
thanks a lot of alls friends