To ensure the machining accuracy requirements of the multi-channel valve body shown in Figure 1 (Figure 1), we designed (Figure 2) the valve body fixture. The workpiece is positioned on the indexing rotary disk 2 with an end face and an inner hole of φ70 mm, and the workpiece is clamped by four hook-shaped pressure plates 1. The two auxiliary clamping screws 4 on the bracket 3 are assisted to be clamped after the workpiece is adjusted, and the indexing is performed. There are four equally spaced positioning holes on the turntable 2, which are positioned by the positioning pin 5 when one direction is processed.
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