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Rifles, Reloading, Optics, Equipment
Gunsmithing
Machining Pillars
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<blockquote data-quote="Clark" data-source="post: 1072893" data-attributes="member: 6600"><p>I machine the sides to have ribs for traction in the epoxy, ala Wagner's hacksaw marks on his web site 10 years ago.</p><p></p><p>I use a boring head to cut the concave radius in the top of the pillar. </p><p></p><p>I check that the pillar radius is smaller than the receiver radius by .001 or .002".</p><p></p><p>When I bed the pillars I want them prestressed axially with screws on washers, and I want the pre stressed in their reaction to recoil twist rolling. The amount of clearance must always be used up by the action screws when they are torqued. We don't want most of the compression on the pillars on the center line, we want it on the left side and right side of the pillar.</p><p></p><p>What does all that engineering talk mean to the tech that makes hardware?</p><p>When fitting the pillar shape, the tiny amount of light that comes through should be on the center line, not the ears.</p></blockquote><p></p>
[QUOTE="Clark, post: 1072893, member: 6600"] I machine the sides to have ribs for traction in the epoxy, ala Wagner's hacksaw marks on his web site 10 years ago. I use a boring head to cut the concave radius in the top of the pillar. I check that the pillar radius is smaller than the receiver radius by .001 or .002". When I bed the pillars I want them prestressed axially with screws on washers, and I want the pre stressed in their reaction to recoil twist rolling. The amount of clearance must always be used up by the action screws when they are torqued. We don't want most of the compression on the pillars on the center line, we want it on the left side and right side of the pillar. What does all that engineering talk mean to the tech that makes hardware? When fitting the pillar shape, the tiny amount of light that comes through should be on the center line, not the ears. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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