Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Gunsmithing
Warning !!!!
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Trickymissfit" data-source="post: 1424183" data-attributes="member: 25383"><p>I learned most everything I know bits and pieces at a time. At first everything just seemed wrong, but once you see what each part does it all falls in place. One thing I couldn't discuss here (even if I was an expert) is the grind on the gun drill tip. Very secretive and the coolant isn't anybetter. What I will tell you is that they replace the coolant every week like clockwork. Most of the better coolant setups had three sets of redundant filters that were switched over by the hours on them. Your looking at nine filters and the large conveyor filter to catch the big stuff. Some of them have a chiller added to the mix as well.</p><p> The guys that ran these machines ran nothing else, and sometimes there would be a cell with three or four completely different machines. Normally he only ran one at a time as these are something you have to stay ontop of all the time.</p><p> The guide bushing box is rebuilt often, and I had at least a half dozen all the time to rebuild. We never used the factory box much, as they usually were not good enough. Yet there were a few out there in some very odd situations. Everything is hard piped as a quick disconnect won't flow enough coolant. Even then the connectors are mil spec.</p><p> In a rifle barrel, we are looking at small holes. They are hard to get the chips to pass thru the flutes. The cutting pressure is very stiff for a reason. A lot of steels will work harden, and you always want to cut virgin metal. The bad part is when something goes wrong. The drill will twist like a wire cable, and you literally have to cut it pieces to get it out. Part is junk as well as the bearing box. Operator has about five seconds to get the drill retracted.</p><p> Making machine parts and some other things, I had about five or six jobs on gun drills all the time. Takes the operator three hours to do a setup, and an hour to drill the hole. If your lucky. Drills are bought and for the most part ready to use, but they go strait to an area that puts their own grind on them. I see little difference, but the end user does. They are constantly checked on a Shadowgraph to make them cut right.</p><p>the whole process is expensive</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 1424183, member: 25383"] I learned most everything I know bits and pieces at a time. At first everything just seemed wrong, but once you see what each part does it all falls in place. One thing I couldn't discuss here (even if I was an expert) is the grind on the gun drill tip. Very secretive and the coolant isn't anybetter. What I will tell you is that they replace the coolant every week like clockwork. Most of the better coolant setups had three sets of redundant filters that were switched over by the hours on them. Your looking at nine filters and the large conveyor filter to catch the big stuff. Some of them have a chiller added to the mix as well. The guys that ran these machines ran nothing else, and sometimes there would be a cell with three or four completely different machines. Normally he only ran one at a time as these are something you have to stay ontop of all the time. The guide bushing box is rebuilt often, and I had at least a half dozen all the time to rebuild. We never used the factory box much, as they usually were not good enough. Yet there were a few out there in some very odd situations. Everything is hard piped as a quick disconnect won't flow enough coolant. Even then the connectors are mil spec. In a rifle barrel, we are looking at small holes. They are hard to get the chips to pass thru the flutes. The cutting pressure is very stiff for a reason. A lot of steels will work harden, and you always want to cut virgin metal. The bad part is when something goes wrong. The drill will twist like a wire cable, and you literally have to cut it pieces to get it out. Part is junk as well as the bearing box. Operator has about five seconds to get the drill retracted. Making machine parts and some other things, I had about five or six jobs on gun drills all the time. Takes the operator three hours to do a setup, and an hour to drill the hole. If your lucky. Drills are bought and for the most part ready to use, but they go strait to an area that puts their own grind on them. I see little difference, but the end user does. They are constantly checked on a Shadowgraph to make them cut right. the whole process is expensive gary [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Gunsmithing
Warning !!!!
Top