Hydraulic supports series guide rod used in mines, a large quantity processing, low precision in the mass. According to field condition, work out mechanical processing, and designed tooling jigs for 3-D. Used a bumper pin and two V-shaped blocks to fix five point position, process hole 1 and hole 2, then used bolt type locator to realize six point full position, rotate the workpiece by 90° to process the third hole; used semicircular turnover type drill template, the drill template frame and the drill shell connect with T-shaped insert. modularized the drill plate; used eccentric wheel drives mobile platen clamping.
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