Several modifications to the 40939 mill can be done to increase machine travels in all axis, ariser block to increase the z axis travel, removal of material from the x axis bearing holders and pocket can be extended to to increase the y axis travel toward the operator. Below are some measurements taken of the x axis in effort to find an "off the shelf" list of parts to add a power feed to the machine, and whether grizzly g3102 parts are a direct bolt on.
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x lead screw comparison for power feed by grizzly little or no mods ----------measurments------------- I will begin,, hf 40939 6x26 x axis parts list all measurements taken with a tape measure x feed screw length -- 35.375" table end caps --- 2.00" bearing is flush to outboard ( left and right SAME) graduated collar ---- 1.600" hand wheel over all thickness --- 1.320" of this .390 extends into hand wheel for friction dial locking ( left and right SAME) x axis lead screw protrusion from end cap -- 2.306" x axis lead screw protrusion from end cap is in two steps, step 1 is bearing inside race diameter approx - .785 extending - .325 beyond c-clip step 2 is remaining lead screw shaft - diameter - .627" length from step 1 - 1.982" here we need someone with a g3102 to compare measurements to see if the 102 has same lead screw as 103 and if these parts can "bolt on" to a 40939 = SHARE ROCKNTV1