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Rifles, Reloading, Optics, Equipment
Reloading
Sizing die problem
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<blockquote data-quote="Blackhawk" data-source="post: 1940709" data-attributes="member: 105459"><p><strong>More food for thought</strong></p><p><em>From your other posts you made reference to your case necks being too small , or bent and you had to open them up with pliers.</em></p><p><em>This is my solution , as I must open the case mouths slightly after I Fl resize virgin brass in order have it fit over my neck turning arbor.</em></p><p><strong>Bare with me here !</strong></p><p><em>I use the Sinclair Expanding Arbor Die. ( PN #7409-008-843WS )</em></p><p><em>You order the die body as a separate entity and the correct arbor separately. (look on Brownell's Website for pertinent information ) </em></p><p><em>The arbors come in either .+001" oversize, or -.001" undersize in a specific caliber which in your case you will want the +.001" oversize (30 caliber will be Sinclair PN #749-001-183 ) and simply drop in then screw on the top of the die.</em></p><p><em>This expander mandrel die will also remove dents from damaged case mouths that were either dropped or range brass.</em></p><p><strong>Rather than open your case mouths manually with plyers, here is an alternative for you.</strong></p><p><strong>Additionally from what you have stated, it looks as if your FL Resize die after all maybe the culprit.</strong></p><p><em><strong>A</strong>) I would call Lyman and advise them of the way the die is scouring your case necks and is ruining your cases.</em></p><p><em><strong>B)</strong> Order another brand of FL resize die ( such as Lee, Hornady, RCBs, or Redding etc. )</em></p><p><em>If you choose the bushing die ( which indecently Lee dose not make ) be certain that you use micrometers, or a good digital dial caliper and measure the diameter of case neck on a completed handloaded round and them subtract in most cases -..003 " = -.004" for correct neck tension and brass spring back. from that diameter and this will give you the approximate neck bushing that you need.</em></p><p><em>I say approximate because you may have to order another + - .001" neck bushing to get the correct neck tension.</em></p><p><em>I use the Fl bushing dies myself and in order to fine tune I need to order a minimum of 2 bushings.</em></p><p><em>Usually the rule of thumb measurement mentioned above works however most of the time -.001" smaller may be required.</em></p><p><em>This can add up at generally $19.00 a bushing plus the FL die body itself. ( prices vary depending on manufacturer) ,as apposed to a Fl expander die ,such as the Lee brand which are generally a lot cheaper as stated above you want to be as cost effective as possible)</em></p><p><em><strong> Again I hope this helps !</strong></em></p></blockquote><p></p>
[QUOTE="Blackhawk, post: 1940709, member: 105459"] [B]More food for thought[/B] [I]From your other posts you made reference to your case necks being too small , or bent and you had to open them up with pliers. This is my solution , as I must open the case mouths slightly after I Fl resize virgin brass in order have it fit over my neck turning arbor.[/I] [B]Bare with me here ![/B] [I]I use the Sinclair Expanding Arbor Die. ( PN #7409-008-843WS ) You order the die body as a separate entity and the correct arbor separately. (look on Brownell's Website for pertinent information ) The arbors come in either .+001" oversize, or -.001" undersize in a specific caliber which in your case you will want the +.001" oversize (30 caliber will be Sinclair PN #749-001-183 ) and simply drop in then screw on the top of the die. This expander mandrel die will also remove dents from damaged case mouths that were either dropped or range brass.[/I] [B]Rather than open your case mouths manually with plyers, here is an alternative for you. Additionally from what you have stated, it looks as if your FL Resize die after all maybe the culprit.[/B] [I][B]A[/B]) I would call Lyman and advise them of the way the die is scouring your case necks and is ruining your cases. [B]B)[/B] Order another brand of FL resize die ( such as Lee, Hornady, RCBs, or Redding etc. ) If you choose the bushing die ( which indecently Lee dose not make ) be certain that you use micrometers, or a good digital dial caliper and measure the diameter of case neck on a completed handloaded round and them subtract in most cases -..003 " = -.004" for correct neck tension and brass spring back. from that diameter and this will give you the approximate neck bushing that you need. I say approximate because you may have to order another + - .001" neck bushing to get the correct neck tension. I use the Fl bushing dies myself and in order to fine tune I need to order a minimum of 2 bushings. Usually the rule of thumb measurement mentioned above works however most of the time -.001" smaller may be required. This can add up at generally $19.00 a bushing plus the FL die body itself. ( prices vary depending on manufacturer) ,as apposed to a Fl expander die ,such as the Lee brand which are generally a lot cheaper as stated above you want to be as cost effective as possible) [B] Again I hope this helps ![/B][/I] [/QUOTE]
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