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Rifles, Reloading, Optics, Equipment
Gunsmithing
Gunsmithing Lathe
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<blockquote data-quote="Centre Punch" data-source="post: 456054" data-attributes="member: 3048"><p>Hi Gary my spindle line is pretty good at 30" from the chuck hence i use the steady method, but i have wear in the bed resulting in .003" drop of the saddle in front of the chuck and .002" of the tailstock.</p><p></p><p>I have a floating reamer holder but was concerned about it maybe presenting the reamer on a slight tilt, so my thinking was at least if i located it with a dead centre it could follow the bore of the barrel without inducing any stress on the reamer.</p><p>I dont use a roughing reamer and i dont pre-drill as i am not trying to make money so i am not worried about the time it takes unlike a lot of smiths here in the UK.</p><p></p><p>Even if i was doing this professionally i would still take the time to do the chambering how i like to do it, a buddy of mine who i mentored before he set up his own business regularly phones me telling me how quick he chambered his latest barrel, i am alarmed each time! </p><p>I must say holding the reamer in the toolpost mentioned by nesika chad looks an interesting option, i shall have to get a morse taper tool-holder for the quick change and see how it works with the floating reamer holder.</p><p></p><p>I have only had chatter in one barrel and that was a Lother Walther i chambered in .257 Weatherby, the chatter came about half way through the chambering and i eliminated by upping the speed to 120rpm and pushing the reamer in at a much higher rate of feed, this trick has always worked for me when reaming bores at work.</p><p>I have played around with Trefolex and Rotol cutting fluids brushed onto the reamer but neither seems to produce results any better then the neat gutting oil, which is cheaper and cleans up better anyway. </p><p></p><p>I dont know if you have the same in the US but most of the people i ever worked with had the skills to produce high quality work but could never be bothered to do anything more then what was needed to pass quality control, a small percnetage had genuine pride in their work (myself included) and got a buzz out of producing a good job, i still do, my own standards are very high and nothing goes out the door unless it has reached them.</p><p></p><p>Did you know that once you have become a Registered Firearms Dealer here in the UK it gives you open licence to produce firearms even if you have no engineering or gunsmithing experience at all, in other words once a RFD a baker could become a rifle builder/gunsmith overnight!</p><p></p><p>Lathe nomenclature is slightly different here, we go by centre height x distance between centres, ie 6x24 and 6 1/2x40, they then get assigned a name according to the centre height, in this case, Student and Master respectively.</p><p>Have a look at this link it will explain things much better:</p><p></p><p><a href="http://www.lathes.co.uk/colchester/" target="_blank">Page Title</a> </p><p> </p><p>The carbide ball trick was great success, it sounds like one of those eureka moments that always puts a smile on your face<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Ian.</p><p></p><p>Ooh! forgot to ask, please can you explain what you mean by journeyman</p></blockquote><p></p>
[QUOTE="Centre Punch, post: 456054, member: 3048"] Hi Gary my spindle line is pretty good at 30" from the chuck hence i use the steady method, but i have wear in the bed resulting in .003" drop of the saddle in front of the chuck and .002" of the tailstock. I have a floating reamer holder but was concerned about it maybe presenting the reamer on a slight tilt, so my thinking was at least if i located it with a dead centre it could follow the bore of the barrel without inducing any stress on the reamer. I dont use a roughing reamer and i dont pre-drill as i am not trying to make money so i am not worried about the time it takes unlike a lot of smiths here in the UK. Even if i was doing this professionally i would still take the time to do the chambering how i like to do it, a buddy of mine who i mentored before he set up his own business regularly phones me telling me how quick he chambered his latest barrel, i am alarmed each time! I must say holding the reamer in the toolpost mentioned by nesika chad looks an interesting option, i shall have to get a morse taper tool-holder for the quick change and see how it works with the floating reamer holder. I have only had chatter in one barrel and that was a Lother Walther i chambered in .257 Weatherby, the chatter came about half way through the chambering and i eliminated by upping the speed to 120rpm and pushing the reamer in at a much higher rate of feed, this trick has always worked for me when reaming bores at work. I have played around with Trefolex and Rotol cutting fluids brushed onto the reamer but neither seems to produce results any better then the neat gutting oil, which is cheaper and cleans up better anyway. I dont know if you have the same in the US but most of the people i ever worked with had the skills to produce high quality work but could never be bothered to do anything more then what was needed to pass quality control, a small percnetage had genuine pride in their work (myself included) and got a buzz out of producing a good job, i still do, my own standards are very high and nothing goes out the door unless it has reached them. Did you know that once you have become a Registered Firearms Dealer here in the UK it gives you open licence to produce firearms even if you have no engineering or gunsmithing experience at all, in other words once a RFD a baker could become a rifle builder/gunsmith overnight! Lathe nomenclature is slightly different here, we go by centre height x distance between centres, ie 6x24 and 6 1/2x40, they then get assigned a name according to the centre height, in this case, Student and Master respectively. Have a look at this link it will explain things much better: [url=http://www.lathes.co.uk/colchester/]Page Title[/url] The carbide ball trick was great success, it sounds like one of those eureka moments that always puts a smile on your face:) Ian. Ooh! forgot to ask, please can you explain what you mean by journeyman [/QUOTE]
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