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2024-04-10The bolted ball blank is forged by an ingot, its material is difficult to ensure and needs control from the source. The blank ball checks mainly for whether there is a crack, oxide skin, ball diameter error, and other items. Among them, the ball diameter is too small to affect the milling surface area, so that the bolt ball and sleeve contact surface are too small, resulting in serious quality risks.
Although the bolt-hole processing of the bolt ball belongs to the coarse tooth processing, its processing should be by the requirements of mechanical product processing, especially the tap taper depth can meet the later bolt installation depth requirements. Its main control indicators:
(1) The milling surface should ensure the contact surface of the sleeve.
(2) Each ball hole should ensure that it points uniformly to the center of the ball and that the center of the lathe’s three-jaw chuck, the core of the drill, and the center of the tooling are aligned. This needs to be frequently checked in the machining process.
(3) The hole formation angle meets the design requirements.
Clean up the machining process before machining. Which for the finished ball sampling work can be used on the drawings of similar bolt ball comparison check angles, to assess the size of the error. Has been processed process hole and made into a type of ball such as long-term unused, should be sealed to prevent the bolt hole corrosion. New products of drills or taps and uncommon bolt holes processed should be screwed into the bolt to check whether the bite is good.
The processing process of the bolt ball space frame determines the final quality of the space frame, and each work type needs to perform fine operations. Each working group should strictly control and standardize the operation according to their characteristics. The same work team should strengthen the exchange of experience, make up for the shortcomings, and unify the understanding, to effectively improve the processing quality of the space frame.
