profile steel

Based on a brief introduction of the transmission theory, structure and conjugating profile of a new kind of spatial cam sliding tooth transmission, the self-lock condition of the transmission mechanism consisted of spherical cycloid face tooth-output frame-steel ball-input cam is discussed.

介绍新型空间凸轮活齿传动原理、结构及共轭齿形，讨论球面摆线端齿输出架钢球输入凸轮构成的传动机构的自锁条件。

Material: cold-steel, steel, copper, copper profile.

材质: 冷轧钢, 不锈钢, 铜, 铜型材.

Cold-formed profile steel unit weight of the cross-section is better than the performance of hot-rolled profile steel products, and has a very high surface finish and dimensional accuracy, so instead of hot-rolled profile steel, cold-formed profile steel can have dual-effect to steel-saving as well as energy-saving.

冷弯型钢单位重量的断面性能优于热轧型钢产品，并且具有很高的表面光洁度和尺寸精度，因此冷弯型钢代替热轧型钢可以取得节约钢材又节省能源的双重效果。

This change the behind situation welding cables bridge by profile steel and putting together cables bridge before now.

这就改变了过去单一采用型钢焊接和组装电缆桥架的落后局面。

Methods: 80 extracted human teeth with single root were prepared using Profile rotary instruments, stainless steel ( SS) RT hands files, shaper sonic files, ultrasonic K files and filled with traditional lateral condensation and warm gutta percha lateral condensation respectively.

方法：本实验采用机动镍钛器械Profile、手用不锈钢器械、声波及超声波器械预备80颗人单根管离体牙后，分别以传统侧压和热侧压充填根管。

The enterprise changchun changqing cold-pressing profile steel company deal in Cold forming.

提供关于冷压加工、冷成型以及梯形图幅的信息.

Along with the increase of loading capacity, the steel aluminum mix structural wagon emerges as the times require, which adopt aluminum profile to reduce self weight.

随着载重量的增大，采用铝型材降低车辆自身重量的钢铝混合结构的重载车辆应运而生。

Design Calculation of the STG& 12 Profile Steel Leveler of Variety Roller Distance

STG-12变辊距型钢矫直机的设计计算

Quality profile specification simple, the vast majority of round steel.

优质型材规格简单, 绝大多数是圆钢.

Mechanism design for on-line profile measuring system of spiral weld steel pipe

螺旋缝焊管截面在线测量系统的机构设计

Cam profile raceway and indexing plate ball seat were modified based on spherical envelope indexing cam mechanism, and the structural characteristics of globoidal indexing cam mechanism with steel ball were analyzed.

在球面包络弧面分度凸轮机构的基础上，对凸轮廓面滚道及分度盘球座进行改进设计，分析滚珠型弧面分度凸轮机构的结构特点。

The causes of lose effectiveness of aluminum profile hot extrusion die made-smelted steel are analyzed.

分析了熔炼电炉钢制造的铝型材热挤压模的失效原因及影响因素.

The irregular steel frame of the Bird's Nest Olympic stadium would also have been impossible without advanced computer modelling, according to Arup, the engineering design services company that has been working on many of Beijing's highest profile projects.

工程设计服务公司奥雅纳（Arup）表示，没有高级计算机建模，鸟巢的不规则钢架构也是不可能实现的。奥雅纳为北京很多最引人瞩目的建筑项目提供了服务。