梯形丝杆的运动原理便是螺旋副，简易了解，便是类似拧螺钉，我们知道，拧螺钉时，假如在螺钉顶端限定螺钉挪动，那么被螺纹置入部件，便会顺着螺钉轴线挪动。梯形丝杠也是如此。将丝杠轴的一端或两侧径向固定，并用电机驱动丝杠旋转。然后，带钢球的螺母会沿着丝杠轴移动。

The principle of motion of a trapezoidal screw is a spiral pair. Simply understood, it is similar to screwing a screw. We know that when screwing a screw, if the screw is limited to move at the top, the threaded part will move along the screw axis. The same goes for trapezoidal screws. Fix one end or both sides of the screw shaft radially and use a motor to drive the screw to rotate. Then, the nut with the steel ball will move along the screw axis.

梯形丝杠的运动原理与滚珠丝杠相同。不同之处在于梯形丝杠中没有滚珠，因此螺母与丝杠轴之间的运动完全通过机械接触产生滚动，这是滚动摩擦。因此，梯形丝杠也称为滑动丝杠。所以两者的结构差异，用一句话来概括:滚珠丝杠是滚动摩擦，梯形丝杠是滑动摩擦。

The motion principle of a trapezoidal screw is the same as that of a ball screw. The difference is that there are no balls in the trapezoidal screw, so the movement between the nut and the screw shaft is completely generated by mechanical contact, which is rolling friction. Therefore, trapezoidal screw is also known as sliding screw. So the structural differences between the two can be summarized in one sentence: ball screws have rolling friction, while trapezoidal screws have sliding friction.

创盈彩网址梯形丝杆的材料不同，其毛坯的热处置方式也所差别的。

The material of the trapezoidal screw is different, and the heat treatment method of its blank also varies.

梯形丝杆应淬火；碳含量为0.5-0.8%亚含量为0.25-0.5%中碳钢。梯形丝杆基本参数碳含量为0.8-1.2%过分析钢，由于粗珠光体和网状渗碳体在原始组织中硬度较高，因此应选择球化退火的热处理工艺进行这类材料的预备性热处理。

The trapezoidal screw should be quenched; Medium carbon steel with a carbon content of 0.5-0.8% and a sub content of 0.25-0.5%. The basic parameter of trapezoidal screw is that the carbon content is between 0.8% and 1.2%. Due to the high hardness of coarse pearlite and network cementite in the original structure, the heat treatment process of spheroidization annealing should be selected for the preliminary heat treatment of such materials.

关键是梯形丝杆材料选择合金钢加工，规定螺纹在运动中准确移动的核心部件。热处理后，使其保持良好的机械性能。在制造过程中，粗细工艺分离，使零件的应力合理分布。

创盈彩网址The key is to select alloy steel for processing the trapezoidal screw material and specify the core components for accurate movement of the thread during movement. After heat treatment, maintain good mechanical properties. In the manufacturing process, the separation of coarse and fine processes ensures a reasonable distribution of stress on the parts.

毛坯的热处理方法也有所不同。由于材料不同，毛坯热处理是一种准备性热处理，精密级和普通两种螺杆。规定：

The heat treatment methods for raw materials also vary. Due to different materials, blank heat treatment is a preparatory heat treatment for both precision grade and ordinary screws. Regulations:

能建设毛坯制造带来的热应力

The thermal stress brought by the construction of rough manufacturing

创盈彩网址能够控制硬度，以适应机械加工的可加工性。

Capable of controlling hardness to adapt to the machinability of mechanical processing.

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