查询词典 screw

Study on the rubber stator compoundof one step injection screw drilling tool;2. he paper presents a test method to research the dynamic property of the rubber stator for screw pump,compares the result of static and dynamic tests and selects the formulation according to the tests.

提出研究螺杆泵定子橡胶动态性能的试验方法，对静态试验及动态试验结果进行对比，并应用其试验对配方进行筛选，结果表明，橡胶压缩温升试验能较好地表征螺杆泵定子橡胶的动态性能，为橡胶定子的研究提供了较为可靠的依据，并在实际应用中得以证实。

Unscrew the adjustment screw ring, stretching from the exposed screw people like a thin tool bar, you can toggle adjustment ring on the teeth, so that adjustment ring turning left.

拧下调节圈固定螺钉，从露出的螺孔伸人一根细铁棍之类的工具，即可拨动调节圈上的轮齿，使调节圈左右转动。

Screw compressor rotor machining tool wear the geometric calculation method : screw compressor rotor milling and processing a grinding two methods, usually conducted in two phases processing; first stage is rough, when the workpiece to be processed about its size to the second stage of Finished, when the rotor be processed into its final size when completed.

螺杆压缩机转子加工有磨削和铣削两种方法，通常分两个阶段进行加工；第一阶段为粗加工，当工件被加工到它的大概尺寸即可；第二阶段为精加工，当转子被加工成它的最终尺寸时完成。

Feed system uses open-loop control, stepper motor driven by the slowdown after the ball screw. driven Tool for horizontal and vertical movement; After transformation, the introduction of automatic lathe transfer Tool for automatic tool change function; To achieve automatic screw machining, in the original round of the initiative pegged to the installation of the axis of photoelectric pulse generator.

进给系统采用开环控制，由步进电机经减速后驱动滚珠丝杠，带动刀架进行横向和纵向运动；改造后的车床采用自动转位刀架实现自动换刀功能；为了实现自动螺纹切削加工，在原挂轮主动轴处安装了光电脉冲发生器。

The company now has precision cylindrical grinder, numerical control machine nut, Italy CNC rolling machine, CNC Lathe dedicated screw machine, CNC lathe, patented technology alignment machines, optical projector, a large tool microscope, screw integrated dynamic tester lead, 5 m in quenched and tempered heat treatment furnace, such as advanced manufacturing and testing equipment.

公司现拥有精密外圆磨床，数控螺母加工机，意大利数控滚压机，数控丝杆旋切专用机，数控车床，专利技术校直机，光学投影仪，大型工具显微镜，丝杆综合导程动态检测仪，5米热处理调质炉等先进制造和检测设备。

The velocity of the liquid, relative to the screw, is a maximum at the barrel surface and zero at the screw surface.

的速度 液体，相对的螺丝，是最高的每桶表面零在螺杆表面。

Test-install with ST4.2 screw sets. Do not let screw head protrude the track surface.

用所配 ST4.2螺钉试装，使螺钉头部不突出导轨表面。

Running, the screw pump cylinder outer surface and inner wall formed between the layer of oil film prevents direct contact between the metal, so screw tooth wear significantly reduced.

在运行中，螺杆外圆表面和泵缸内壁之间形成的一层油膜，可防止金属之间的直接接触，使螺杆齿面的磨损大大减少。

The main influence factors are the bond stress of the anchor agent and the corrosion degree of the screw spike. Sulfur and other erosive chemicals should not be used as the anchor agent of the screw spike.

计算分析表明，锚固剂的结合应力和螺纹道钉的锈蚀程度是影响螺纹道钉抗拔力的主要因素，应避免采用硫磺及有腐蚀性的化学品作为螺纹道钉的锚固剂。

The anchor withdraw resistance of the screw spike diminishes with corrosion of the screw spike and aging of the anchor agent on site so as to harm traffic safety.

螺纹道钉锚固抗拔力会因螺纹道钉的锈蚀及锚固剂老化等因素而变小，从而影响列车的安全运行，为解决这一问题对螺纹道钉锚固抗拔力进行分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。