The resistance coefficient of hydraulic turbine increases as screw-pitch increases.
同时可以看出,螺距小的液轮机,其阻力系数比也较大。
Studying the means and the apparatus composing in high precise dynamic measure of screw-pitch error have important academic meaning and practical applied value.
精密滚珠丝杠副是数控机床的关键功能部件,研究高精度的丝杠螺距精度动态测量方法和仪器组成具有重要的理论意义和实际应用价值。
A type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
采用螺距粗的螺丝和螺母实现螺纹型芯自动脱模。
Compression cancellous bone screw with both ends thread is a Variable pitch screw designed tO provide rigid 'fixation of cancellous bone fracture.
双端螺纹松质骨加压螺钉的特点是两端螺纹具有不同的螺距,无螺帽。
A theoretical analysis of the varying pitch screw in mathematics, physics and shaping principle was presented.
对变螺距螺纹的成形原理进行了分析。
The machining skill and relevant NC program of machining worm screw with large pitch using a NC lathe are introduced.
介绍了一种在数控车床上加工大螺距蜗杆的切削技巧以及相应的数控程序。
While for the equipment structure, they were the sectional area of nozzle, the pitch between screw and its turnbuckle, clearance, rotate speed, and the depth of the whorl on the turnbuckle.
就设备的结构而言:喷嘴的截面积、螺杆与螺套的螺距、间隙、转速、螺套螺纹的深浅是影响膨化度的主要因素。
This paper introduces a design method of variable pitch screw, This methed make use of multinomial, bring out the boundary conditions which the design need and the operating range of the methed.
本文介绍了一种变螺距螺杆的设计方法,该方法采用多项式,并提出了设计所需的边界条件和这种方法的使用范围。
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。
The influence of coverage due to the radius, angular velocity, pitch , double thread of plastic screw, and rotational mode of steel axis are also discussed in here.
文中并探讨了塑胶导螺杆半径、转速、螺距、双螺纹与钢轴旋转模式对钢珠表面检测覆盖率影响。
The paper analyses the structural characteristic and work principle of screw with variable pitch, designed machining technics, put forward a particular method of nc programming.
文中分析了异型截面供送变螺距螺杆的结构特点和工作原理,设计了其加工工艺,提出了一套加工该螺杆的独特的数控编程方法。
Programming by the plane curve unwrapped from the helix curve and cutting layer by layer, we created the variable pitch screw on the 3.5 axis NC milling.
文章基于3.5轴数控铣床,利用螺旋线展开的平面曲线编程,分层切削,加工出变螺距螺纹;
Also let us adjust the size or pitch of the screw propeller, then try to get high-speed running.
也让我们调整大小或摊位的螺旋桨,然后尝试获得高速运行。
The reformed lathe can machine the varying pitch screw bolt according to the require of quality and technology.
用附加有该变螺距螺纹加工装置的普通车床,可以十分方便地加工出符合质量技术要求的变螺距螺纹螺杆。
Smart Start Keep a screw pitch gauge in your tool box.
聪明的开头在你的工具箱里放一个螺距规。
Once the screw turns a circle, the liquid inside the sealing chamber will be pushed forward by a pitch.
螺杆每转一周,密封腔中的液体向前推进一个螺距。
CNC lathe; variable pitch screw; NC Program; on the cutting point; graphic method;
数控车;变螺距螺杆;NC程序;起刀点;图解法;
These high precision instruments are more than 20 kinds and widely used for oil industry to measure the monomial parameters of taper, pitch and height screw for oil pipe, canola and drill shank.
肮 该系列产品是广泛应用于石油行业的高精密仪器,共有20多个品种,主要用于石油油管、套管、钻杆锥形螺纹的锥度、螺距、高度等单项参数的测量。
Through analyzing of a bottle cover structure with inner thread, a type of screw and nut with coarse pitch was applied to realize thread core demoulding automatically.
通过对一种带有内螺纹的酒瓶盖的结构分析,阐述了采用大导程螺杆和螺母机构实现螺纹型芯自动旋转脱模的设计过程及其工作过程。
Based on the principle of dividing with pitch change gear, this paper deduces the formula of arbitrary dividing in screw grinder.
利用螺距挂轮分度的原理,推导出在螺纹磨床任意分度的公式。
If pitch is sharp, raise jaw by turning the screw counter-clockwise.
如果间距是尖锐,提高转动螺丝逆时针下巴。
The varying pitch helixes were constructed on the parameter equation, and were selected as sweep trajectory; the surface of the screw was enveloped on the generating method.
设计过程中按推导出的数学方程构造各段螺旋线,并以该螺旋线作为扫描轨迹,遵循范成法原理包络出螺杆的各段螺旋曲面。
Based on the reforming of ordinary machine tool, a new machining device for varying pitch screw was obtained.
在对普通机床进行改造的基础上,设计出了全新的变距加工装置。
Stage features micrometer grade screw with lead pitch 0.5 mm, miniature linear bearing and non-contact limit switches with a choice of either stepper or DC servo motor with encoder.
阶段具有千分尺等级螺钉以及0.5毫米的引脚间距的特点,微型直线轴承和非接触式限位开关带有,任一步进机或直流伺服电机编码器的选择。
The concept of minimum limit push lead (MLPL) in the design of varying pitch screw is introduced and a comprehensive theoretical analysis is carried out.
提出了不等距螺旋设计中的最小极限推程问题,并进行了全面的理论分析。
When bolt size are M30 and over, metric fine screw threads of 3 mm pitch series shall be used.
如果螺栓尺寸为m 30或以上,公制螺纹螺旋间距应为3mm。
Also discussed how the screw pitch influences its bearing capability, the relation between anchor leaf and bearing capability.
导程对拉力的影响;拉力与锚叶的关系。
When the lead screw rotates a single revolution, the carriage travels a distance equal to the pitch of the lead screw.
丝杆旋转一圈,大拖板就行进等于丝杆节距的一段距离。
The software has a good operation interface. it achieved automatic measurement, automatic analysis, automatic precision acceptance for screw pitch.
该软件具有良好的人机操作界面,实现了丝杠的自动测量、自动分析、自动精度验收评定。
The drive system is a high precision ball screw drive (maximum spindle speed 3,000rpm) and the user can specify pitch values of 2, 4, 10 or 20mm.
该驱动系统是一种高精度的滚珠丝杠驱动器(最高转速3000rpm ) ,用户可以指定间距值2 ,4 ,10或20毫米。
应用推荐