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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ET48 Mag/ATD Pinion
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<blockquote data-quote="oexing" data-source="post: 148435" data-attributes="member: 1493"><p>Thanks for the warning, didn´t know about fire risk with titanium, magnesium certainly. As for thread cutting I did all Brampton bolts with lathe tool, no dies. No desire for risking anything. But yes, that seems to be quite similar to tin bronce (phosphor bronce?) or tough stainless steel when tapping or drilling that stuff. You get only sharp tools for this job and use real cutting lube, nevertheless expect cutting edges to get blunt in short time so need to grind them soon enough. The fancy nuts in my photos are stainless steel so I got around thread tapping titanium. But another aspect in this case: It is never a good idea to have same materials in a threaded joint unless you have antiseize applied. A MoS2 paste is great for this, copper paste or some such acceptable too. </p><p> Some time ago I came upon thread rolling tech after having to change spoke lengths due to ordering wrong sizes from Uk - my bad. So another idea coming from this was to look for more thread rolling gear as I like to have stainless in most places - which is no fun when having tough types of ss for die cutting. That rolling procedure is great once you have found the exact diameter of rod and the rolling head set to correct pitch diameter by tests. Well, some raised heart beat when rolling on the lathe initially but just a second or two and done. So that was continued into titanium thread rolling, feeling a bit different to ss but allright, so I did all engine case through bolts in titanium - no nerves for die cutting again . These rolling heads are absurdly expensive new, only chance to find reasonably lower priced used heads in Ebay by a lot of luck.</p><p> Sorry for sort of thread drift but I believe in Graham´s super forum the forum search engine may find anything about titanium if someone later remembered reading about this while the opener was about mag pinion. But even with no luck in search we appear extremely quick in any replies to forum postings so not much damage done I´d think. Had a look into CE forum yesterday when I did membership renewal - well, it will take a few months of refinements to be worthwhile to look into. Oh, another drift . . . .</p><p></p><p> Vic</p><p></p><p>[ATTACH=full]45867[/ATTACH]</p><p></p><p></p><p>[ATTACH=full]45868[/ATTACH]</p></blockquote><p></p>
[QUOTE="oexing, post: 148435, member: 1493"] Thanks for the warning, didn´t know about fire risk with titanium, magnesium certainly. As for thread cutting I did all Brampton bolts with lathe tool, no dies. No desire for risking anything. But yes, that seems to be quite similar to tin bronce (phosphor bronce?) or tough stainless steel when tapping or drilling that stuff. You get only sharp tools for this job and use real cutting lube, nevertheless expect cutting edges to get blunt in short time so need to grind them soon enough. The fancy nuts in my photos are stainless steel so I got around thread tapping titanium. But another aspect in this case: It is never a good idea to have same materials in a threaded joint unless you have antiseize applied. A MoS2 paste is great for this, copper paste or some such acceptable too. Some time ago I came upon thread rolling tech after having to change spoke lengths due to ordering wrong sizes from Uk - my bad. So another idea coming from this was to look for more thread rolling gear as I like to have stainless in most places - which is no fun when having tough types of ss for die cutting. That rolling procedure is great once you have found the exact diameter of rod and the rolling head set to correct pitch diameter by tests. Well, some raised heart beat when rolling on the lathe initially but just a second or two and done. So that was continued into titanium thread rolling, feeling a bit different to ss but allright, so I did all engine case through bolts in titanium - no nerves for die cutting again . These rolling heads are absurdly expensive new, only chance to find reasonably lower priced used heads in Ebay by a lot of luck. Sorry for sort of thread drift but I believe in Graham´s super forum the forum search engine may find anything about titanium if someone later remembered reading about this while the opener was about mag pinion. But even with no luck in search we appear extremely quick in any replies to forum postings so not much damage done I´d think. Had a look into CE forum yesterday when I did membership renewal - well, it will take a few months of refinements to be worthwhile to look into. Oh, another drift . . . . Vic [ATTACH type="full"]45867[/ATTACH] [ATTACH type="full"]45868[/ATTACH] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ET48 Mag/ATD Pinion
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