【摘要】 在机械加工中，阀针是典型的细轴类零件，加工过程中涉及到设备包括无心磨床、阶梯磨床、加工中心等。应用加工中心机床加工阀针先端三等分导流槽，使用的刀具成本高，且刀具磨损快。通过设计工装治具阀针成型器，变更加工工艺为平面磨床加工，以磨削代替铣削，达到降低成本作用，而且阀针成型器方便快捷，提高加工效率。更多还原

【Abstract】 In machining, valve needle is a typical fine shaft part. The equipment involved in the machining process includes centerless grinder, step grinder, machining center and so on. In this system, the machining center machine tool is used to process the trisection guide groove at the tip of the valve needle, which has high cost and fast tool wear. By designing the tooling and fixture valve needle shaper, changing the processing technology to surface grinder processing,grinding instead of milling, it can reduce the cost, and the valve needle shaper is convenient and fast and improve the processing efficiency.更多还原