The invention discloses an aluminum alloy combined hole position compensation machining method, which includes the steps of simultaneously machining a scouting hole and a mounting hole in the surfaceof a workpiece; taking the workpiece down, pressing a fitting into the mounting hole, and then mounting the workpiece again to a work fixture; confirming center coordinates of the scouting hole and coordinates of a machining cutter of a machining tool through an edge finder; calculating actual center coordinate values of the scouting hole through measurement of an online measuring instrument, anddetermining the offset to be corrected through a three-coordinate measuring instrument; and performing calculation through coordinate values of the center of a circle recorded originally to obtain anerror value, compensating the error value to the coordinate system of the cutter, obtaining machining coordinates of the fitting, and realizing the high-precision machining of the hole position of thefitting.

Aluminum alloy combined hole position compensation machining method

The invention belongs to the field of machining and particularly relates to a digital-analog positioning method for repeated machining of parts. The digital-analog positioning method for repeated machining of parts is particularly suitable for repeated machining of large-sized heavy workpieces. A number of digitalized products need re-clamping machining due to the various procedures or repairing or the like, thus, the machining standard during repeated clamping needs to be determined, however, the repeated clamping machining standard determined by a common method has large errors, and the machining precision and production quality are affected. By means of the digital-analog positioning method for repeated machining of parts, the problems that during repeated clamping of parts, determining the machining standard wastes time and labor, and the machining precision of parts cannot be ensured are solved. The method provides a new technical method and thought for quickly and accurately determining the machining standard for repeated clamping of workpieces.

Digital-analog positioning method for repeated machining of parts

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Digital-analog positioning method for repeated machining of parts