To solve the shown as shown in figure 1 of the bearing surface processing in, we design and manufacture a as figure2shows pole of the boring, and put on a lathe, with universal equipment to solve the key technology of the bearing production.
Boring bar with three claws clamping chuck 1 with special top 15 supporting, tool rod with shaft installed in 3 4 boring lever 1 in the long groove, end clip solid force of 5, the other end through the pin shaft connecting rod 2 and 6 linked. Six other end connecting rod through pin shaft 7 and 8 nut connected. Screw rotation 9, can make the nut 8 in boring lever 1's coattails "slot of mobile. T20 x 1.5 levorotatory screw 9 on the seat of the 10 hole in the rotation. Watts by bolt fastening a 10 16 in boring lever 1 right end. Gear 11 (m = 2, z = 31; x = 0.5) through the flat key 12, 13, nuts and washers fixed screw in the right end of September. Boring stem 1 turn, gear around the top 15 11 special rotating.
Top 15 milling a m = 2; Z = 12;X = 0.5 tooth, so gear and rotation, to lead screw rotation 9, make silk mother 8 in boring stem move through pin shaft 7, connecting rod 6, pin shaft 2 drive tool rod and shaft 4 3 to the right, head to the pole in boring 5 long groove around in arc movement and complete the sphere of processing.
Operation method: the workpiece in DaLiu board tighten lathe, first to use common boring boring cut ? 164 stem hole on both sides and end face, then use 1 boring boring bar in the cut surface. According to the face of machining allowance and optimizing the depth, determine the head stretch out five length, with head screw will tighten. Mobile sneak board to make the work of the center axis is the center of the 4, tighten DaLiu board. Drive make main shaft are turning around the shaft head of 5 4 turns from right to left, start a knife after cutting boring parking, shake DaLiu board to make the work shift operation lever, loosen screw fastening, take out the cutter, flipping over (to make the sword before facing down) add tool rod, and make out a head is equivalent to optimizing the depth, will tighten the head of good, and then the DaLiu plate back in the wave tighten good, open the car, the head start from left to right turn and cutting, repeated several times, until processing to the appropriate size so far.
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