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mcmaster:lapping [2015/09/26 21:28] mcmastermcmaster:lapping [2015/09/26 21:39] (current) mcmaster
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   * Lapping stencil target diameter: 54 mm   * Lapping stencil target diameter: 54 mm
     * Add 1.5 mm to each side w/ 1.5 mm clearance     * Add 1.5 mm to each side w/ 1.5 mm clearance
 +  * Support at least entire cavity size + 1/8" endmill => 57.1 + 1/8 * 25.4 = 60.3 mm
 +  * Add some good clearance so I don't mill the jig: 5 mm each side => 70 mm total ID => 2.75"
 +  * 0.5" each side => 3.75" Al square stock
 +  * 1.5" from sherline t-slot to slot
 +    * 10-32 (0.1900") close fit => #9 drill (0.1960")
  
  
mcmaster/lapping.1443302896.txt.gz · Last modified: 2015/09/26 21:28 by mcmaster