螺孔

As to the property of its cutting and modeling, GH4169 is characterized by high intensity, high plasticity, great resistance to cutting, serious cold-work hardening, high-temperature cutting, serious abrasion of the cutting tool.

其切削加工特点主要表现为强度高，塑性大，切削抗力大，冷作硬化严重，切削温度高，刀具在加工过程中磨损剧烈，以攻丝为加工最难点，小直径的螺孔用普通攻丝方法几乎无法加工，已经严重影响了公司的生产进度和产品质量。

The current anatomical region specific locking plates still can be used in this function relying on plate precontouring and tightening the plate gradually to the bone from the diaphysis towards the joint surface using the conventional holes.

不同解剖区域的具体锁定钢板仍然可以用于这个功能，它通过钢板预塑形和应用其传统螺孔逐步将钢板收紧到从骨干到关节面的骨。

The comprehensive track state managing method to reduce the rail cracks around the bolt holes is proposed based on the vehicle/track nonstationary random vibration analysis and the track transfer characteristic, and is further modified through the comprehensive dynamics experiment in a railway worksite and the rail strains analysis due to the rail-fishplate interaction and the compression of fishbolt to rail bolt hole.

基于轮轨非平稳随机振动分析和轨道动态传递特性研究结果，本文提出综合整治钢轨螺栓孔裂损的措施，并分析了钢轨鱼尾板联结和螺栓杆挤压造成的钢轨螺孔应变，结合现场轨道动力学试验，完善这些措施。

In this invention's external numerical control actuation flat seamer, outside the sinking platform bracket, near perforation slot region, establish horizontal direction localization marking to instruct it with the spiral hole relative position, frame head and sensor plate establishes localization marking to instruct the sensor plate revolves the angle which the nose revolution axis rotates.

在本发明的外接式数控驱动平缝机中，吊盘支架外侧面靠近贯通槽的区域设置水平方向的定位标识以指示其与螺孔的相对位置，机头端面和传感器盘上设置定位标识以指示传感器盘围绕机头转轴转动的角度。

This design main content designs the drilling machine jig, needs thecounter gear pumps on the end cover 2 M8 hole and 1 the holecarries on drills truncates the processing.

本设计的主要内容是设计钻床夹具，需要对齿轮泵端盖上的2个M8螺孔和1个的孔进行钻削加工。

Will be installed at the installation site suspended joints, and the full adjustment screw joint flange connecting and installation of pipe flange connection screw all aligned, the center axis of coaxial line to maintain.

1将安装接头吊置于安装部位，并充分调整接头法兰连接螺孔与安装管道法兰连接螺孔全部对齐，中心轴线保持同轴一致。

Bolt flange screw from the side of joint penetration, and through the connecting pipe flange screw and screw the nut ③.

3用连接螺栓从接头法兰螺孔一侧穿入，并穿过连接管道法兰螺孔，并拧上螺母③。

Annual output of various specifications of more than 500 tons of metal wire; metal knitting net 500,000 m2, of which net square hole size 3 ~ 500 head / inch, mesh size of 8.00 ~ 0.025mm; dense network pattern specifications for 7 40 /~ 400 3200 Head / inch, mesh size of 315 ~ 3m; various filter components, filter 1.5 million, the smallest filtration precision of up to 1m; screener seized a (75mm, 200mm sieve sets of high precision electric molding and 200mm Screen test sets) is the national standard grinding found the Commission designated by a manufacturer; steel screw sets (with a high strength, corrosion resistance, impact resistance, high temperature, can be embedded in aluminum, magnesium and plastics such as low-intensity within the screw shell a new type of screw fasteners, specifications have an ordinary type, locking type and silver-plated type) and vibration screening equipment.

年产各种规格金属丝材500多吨；金属编织网50万m2，其中方孔网规格为3～500目/英寸，网孔尺寸8.00～0.025mm；密纹网规格为7×40/～400×3200目/英寸，网孔尺寸315～3μm；各种滤网组件、滤芯150万件，最小过滤精度可达1μm ；筛分检具（φ75mm、φ200mm高精度电成型套筛和Φ200mm试验套筛），是国家磨委会指定的标准检具生产厂家；钢丝螺套(具有高强度、抗腐蚀、耐冲击、耐高温，能嵌入铝、镁及塑料等低强度壳体螺孔内的新型螺纹紧固件，规格有普通型、锁紧型和镀银型)及振动筛分设备。

Puts in the electrically operated installment together the valve lever together with the key in the output axle hole, the valve coupling and electrically operated installment coupling spiral Kong Ru has the deviation to be possible to move slightly the handwheel to cause its correspondence, afterwards

将阀杆连同键一起放入电动装置的输出轴孔内，阀门连接盘与电动装置连接盘螺孔如有偏差可以微动手轮使其对应，之后将阀门连接盘与电动装置连接盘用螺栓紧固。

4 Of the nominal size DN ≥ 200 of the valve, the valve cover can be processed in a screw, after trial, must be plugged with metal plug screw.

4.3.4对公称尺寸DN≥200的闸阀，可在阀盖上加工出一个螺孔，试验完毕后，必须用金属螺塞堵塞。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐