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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How many cuts ??
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<blockquote data-quote="Trickymissfit" data-source="post: 1179796" data-attributes="member: 25383"><p>JE; two things to remember:</p><p></p><p>* your almost always reaming pre-hardened steel. Not so much that the metal is super hard, but it's abrasive. Actually a sharp reamer is not as accurate as one that's done a few holes. I had several reamer sets, and never allowed anybody to use them, but myself. Most never were re-sharpened. I had one set of .001" over and under reamers ($$$) that had the leads and reliefs cut to my spec. They stayed locked up!</p><p>I'll honestly tell you that when in doubt, I'd make the call to somebody else I knew to be ontop of the game. </p><p></p><p>* coolant is really a lubricant. Learn to be selective. I still like Trim CE in it's raw state foe threading, and reaming. Still there are cases when something else is better. The life of a reamer is built around surface speed and lubrication ( my Dad didn't teach me this, I learned the hard way). When we ream by hand, we also violate all the rules. That's why a hand reamer is ground a little different. Your typical chamber reamer is ground for a very low surface speed, but all could be designed better. </p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 1179796, member: 25383"] JE; two things to remember: * your almost always reaming pre-hardened steel. Not so much that the metal is super hard, but it's abrasive. Actually a sharp reamer is not as accurate as one that's done a few holes. I had several reamer sets, and never allowed anybody to use them, but myself. Most never were re-sharpened. I had one set of .001" over and under reamers ($$$) that had the leads and reliefs cut to my spec. They stayed locked up! I'll honestly tell you that when in doubt, I'd make the call to somebody else I knew to be ontop of the game. * coolant is really a lubricant. Learn to be selective. I still like Trim CE in it's raw state foe threading, and reaming. Still there are cases when something else is better. The life of a reamer is built around surface speed and lubrication ( my Dad didn't teach me this, I learned the hard way). When we ream by hand, we also violate all the rules. That's why a hand reamer is ground a little different. Your typical chamber reamer is ground for a very low surface speed, but all could be designed better. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
How many cuts ??
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