键是一种标准件，通常用于联接轴与轴上旋转零件与摆动零件，起周向固定零件的作用以传递旋转运动和扭矩，楔键还可以起单向轴向固定零件。而导键、滑键、花键还可用作轴上移动的导向装置。根据键的结构形式，键联接可分为平键联接、半圆键联接、楔键联接和切向键联接等几类。
The key is a standard part， which is usually used to connect therotating parts and swing parts of the shaft and the axle to movethe fixed parts to transmit rotary motion and torque， and the wedgekey can also play a one-way axial fixation part. The guide，slippery key and the spline can also be used as a guiding devicefor moving on the axis. According to the structure of the key， keyjoins can be divided into a flat bond， a semicircle bond，圣霖联接机采购， awedge bond and a tangent bond.
花键联接按齿形的不同，可分为矩形花键和渐开线花键两类，这两类花键均已标准化。
矩形花键的定心方式为小径定心，圣霖联接机，即外花键和内花键的小径为配合面。其特点是定心精度高，定心的稳定性好，能用磨削的方法消除热处理引起的变形。
The spline connection can be divided into two types: rectangularspline and involute spline. The two kinds of spline arestandardized.
The centering way of the rectangular spline is the smalldiameter centering， that is，圣霖联接机价格， the small diameter of theouter spline and the inner spline is the matching surface. It ischaracterized by high centering precision and good stability ofcentering. It can be used to remove the deformation caused by heattreatment by grinding.
机用虎钳结构缺点及使用中的隐患。机用虎钳有结构简单、夹紧力大、操作和维护方便等特点。但由于其必须具有广泛的适用性和操作的便捷性，其螺母与丝杆之间、活动座与虎钳体之间存在着较大的配合间隙，圣霖联接机多少钱，导致在装夹一些加工精度要求较高的产品时难以达到要求。
Thestructural shortcomings of the machine vise and the hidden dangerin the use. The machine tool has the characteristics of simplestructure， large clamping force， easy operation and maintenance.But because of its wide applicability and convenient operation，there is a large gap between the nut and the screw rod， the movableseat and the vice body， which results in the difficulty of meetingsome re when clamping some products with high machiningaccuracy.
圣霖联接机采购-圣霖联接机-圣霖国际【诚实守信】(查看)由鞍山市圣霖进出口贸易有限公司提供。鞍山市圣霖进出口贸易有限公司（shenglininternational.cn）位于辽宁省鞍山市高新区越岭路256号（研发中心A座2号楼510室至511室）。在市场经济的浪潮中拼博和发展，目前圣霖国际在行业专用设备中享有良好的声誉。圣霖国际取得商盟认证，我们的服务和管理水平也达到了一个新的高度。圣霖国际全体员工愿与各界有识之士共同发展，共创美好未来。