攻丝靠模机构的研制  

Development of contact pattern tapping mechanism

作　　者：路世强 康文利[2] 

机构地区：[1]山东普利森集团有限公司,德州253003 [2]华北电力大学,保定071003

出　　处：《机械设计与制造》2009年第8期142-143,共2页Machinery Design & Manufacture

摘　　要：组合机床是以通用部件为基础,配以按工件特定形状和加工工艺设计的专用部件和夹具,组成的半自动或自动专用机床。组合机床兼有低成本和高效率的优点,在大批量生产中得到广泛应用。LZG200-Ⅱ机床是根据客户要求设计并生产的一台钻孔攻丝两用组合机床。该机床的攻丝螺纹为3"-8LN-3B,攻丝深度为150mm。由于攻丝直径比较大,为了使攻丝顺利进行,需要综合考虑各种因素,如工件材料的性能、攻丝机构及机床配置的选择,以及切削速度、进给量的确定等。通过反复分析试验自主研制出一种专用攻丝机构,该机构将传统的丝锥夹头改为攻丝靠模机构从而保证了丝锥正常进给。实践证明该机构设计合理,能够满足要求,用户评价较好。Transfer and unit machine is based on generic components ,together with the workpiece in accordance with a specific shape and design of a dedicated processing components aud fixtures,composed of dedicated semi-automatic or automatic machine tools. Transfer and unit machine with low cost and high efficiency advantages ,at high-volume production to be widely applied. The LZG200- Ⅱ machine tool is a kind of modular machine tool which is both used for drilling and tapping, and it is designed and produced according to clients demand. Its tapping screw thread is 3″-SLN-3B and its tapping depth is 150mm. As tapping diameter is relatively large,in order to make tapping go on wheels ,some factors such as material performance of work-piece,choice of tapping mechanism and machine tool collocate,and cutting speed and feeding rate shall be taken into account synthetically. A special tapping mechanism is developed through repeated assaying which changes conventional tap coUet to tapping explorator,and conse- quently ensures natural feed of tap. The practice proves that this mechanism is not only reasonable designed but also satisfy the request,and gets highly evaluated by users.

关 键 词：机床 机构 螺纹 攻丝 

分 类 号：TH16[机械工程—机械制造及自动化]