This machine consists of cone double screw extruder, vacuum setting table, drawing machine, cutting machine, film sticking machine, material tumbling frame, etc. PVC塑窗异型材生产线有锥形双螺杆挤出机、真空定型台、牵引机、切割机、贴膜机、翻料架等组成。
An overhanging part, the apron of the carriage, may be engaged with the feed rod to give continuous feed motion, or with a lead screw for cutting of threads. 一个伸出的部分,支架的围裙,也许以饲料标尺给连续的合闸动作,或者与螺纹切口的丝杠衔接。
Analyse the function of the import& outport length of idle stroke in processing of screw cutting and the method to confirm the length. 分析了螺纹车削加工中,空刀导入量、空刀导出量的作用及其确定方法。
It is difficult to machine the variable pitch of screw part on the CMC lathe without variable pitch cutting faction. 对于只具备普通螺纹切削功能的数控车床,一般来说不能加工变螺距的螺纹。
Aiming at the design requirements of shield tunnelling machine for simulator test rig, hydraulic systems of shield were designed and manufactured by applying electro-hydraulic proportional control technology, which included thrust hydraulic system, screw conveyor hydraulic system and cutting wheel drive hydraulic system. 针对盾构掘进机模拟试验台的设计要求,采用电液比例控制技术设计制造了盾构掘进机液压系统,包括推进液压系统,螺旋输送机液压系统以及刀盘驱动液压系统。
In the paper, we calculate actual encircle curve based on accurate flat cam theoretic contour curve equations and analyze in Cartesian coordinate and polar coordinate in order to obtain the molybdenum screw center tracks of control wire cutting machine. 以精密平板凸轮理论轮廓曲线方程计算实际包络曲线,采用直角坐标解析式和极坐标分析,进而确定数控线切割机床钼丝中心的轨迹。
Study on the place of stripping rotor and screw auger in stripping before cutting 割前脱粒中梳脱滚筒和螺旋搅龙位置关系的试验研究
The process of screw spindle is the key of producing screw spindle pump, but the calculation of shaped cutting tool is still the crux of process of screw spindle. 螺杆泵生产的关键是螺杆的加工,而成型刀具的型线计算又是螺杆加工的关键。
In this article, a simple and easy method for that enable the retrofitted CNC lathe to contain all the features of screw cutting before retrofitting is introduced. 本文介绍了一种简单易行的方法,使数控车床、改造后包容改造前车床的所有螺纹功能。
This paper introduces the machining principle of variable pitch screws and influences of the changes of pitch, pitch increment and major diameter of screw on the inclination of the screw, in which the cutting method of precision screws and the CNC hardware and software have been developed. 介绍了变螺距丝杠的加工原理、螺距增量、螺距变化及丝杠外径对丝杠升角的影响。研究了提高丝杠精度的加工方法,提出了变螺距加工的数控系统硬件及软件。
According to the principle of CNC, this paper discussed the process of screw cutting which is controlled by computer. And it provides the general design idea, structure of system, method of developing and the concrete realization. 本文依据计算机控制原理,介绍了普通车床利用计算机控制实现螺纹加工,给出了其总体设计思想、系统结构、开发方法及其具体实现。
During the cutting of the worm bevel gear, due to the impact interference between the worm and cutter rest slide and screw, the gear teeth shape cutting can not be performed. 蜗杆伞齿轮切齿时,由于蜗杆部分与刀架滑板及刀架螺钉发生碰撞干涉,导致刨齿加工无法顺利进行。
Study on mechanism and experiment of large screw hole vibration cutting 大螺孔振动攻丝机理及实验研究
A new two-shaft screw cutting system without inverse mechanism 一种新型双轴无移换切螺纹系统
The methods of interlocking intramedullary screw fixation after tumor cutting and methacrylate cement filling can be maintain sequential limb, limb length and function. 肿瘤刮除和骨水泥填充后带锁髓内钉固定能维持肢体长度和连续性,保持肢体功能。
The front earth pressure value could also be controlled in the range of set value by adjusting the advancing speed, screw conveyor revolving speed and cutting wheel revolving speed, which lead to reduce ground deformation. 通过实时调节控制推进速度、螺旋输送机转速以及刀盘转速,可以控制正面土压力在设定范围内,从而有效减少地表变形。
The application of numerical control technology and machining range of NC lathe can be extended by machining uniform variable pitch screw bar with numerical control technology by implementing straight-line movement of cutting tool and rotating movement of screw bar at the same time the double speed. 通过实现刀具沿丝杠工件轴线的变速直线运动和丝杠工件的变速旋转运动,来进行匀变螺距丝杠数控加工,扩展了数控技术的应用和数控车床的加工范围。