Synchronous belt module guide: the working principle of belt drive actuator is the same as that of conveyor belt system. The belt drive converts rotational motion into linear motion through a timing belt connected between two annular pulleys. The timing belt is usually made of fiber reinforced elastic material. Omer, but many other belt materials are available for more demanding applications. The belt includes teeth connected to the rotor pulley to effectively transmit torque and prevent slipping. The belt drive is enclosed in the aluminum body, and the slider is located at the top. The drive shaft interface is usually perpendicular to the side of the actuator.

滚珠丝杠驱动执行机构：滚珠丝杠驱动执行机构背后的基本原理实质上是对丝杠驱动系统的改进。滚珠丝杠驱动执行机构中，滚珠丝杠的旋转驱动滚珠螺母/安装支架，因为接口是螺柱和滚珠丝杠之间基本上是一个滚珠轴承系统，螺母中的硬化钢球沿着螺柱的滚道滚动。与皮带驱动执行机构类似，滚珠丝杠驱动执行机构的驱动部件封闭在铝体内，而机架在顶部移动。与皮带驱动执行器不同，驱动轴接口与滚珠丝杠对齐，位于执行器末端。

Ball screw drive actuator: the basic principle behind the ball screw drive actuator is actually an improvement of the screw drive system. In the ball screw drive actuator, the rotation of the ball screw drives the ball nut / mounting bracket, because the interface is basically a ball bearing system between the stud and the ball screw, and the hardened steel balls in the nut roll along the raceway of the stud. Similar to the belt driven actuator, the driving parts of the ball screw drive actuator are enclosed in the aluminum body, while the rack moves on the top. Unlike belt driven actuators, the drive shaft interface is aligned with the ball screw and located at the end of the actuator.

各自的优势和局限性：

Respective advantages and limitations:

对于需要长行程的应用，通常皮带驱动模组导轨机构，这比使用类似长度的滚珠丝杠驱动执行机构更具成本效益。MJUNIT迈捷关键运动部件，从而减少劳动密集型维护。尽管如此，为了确保扭矩的正确传递，皮带的适当张力关重要，通常需要在定期维护期间重新张紧皮带。

For applications requiring long travel, the belt drive module guide mechanism is usually preferred, which is more cost-effective than using a similar length of ball screw drive actuator. Mjunit is the key moving part of maijie, thus reducing labor-intensive maintenance. Nevertheless, in order to ensure the correct transmission of torque, the proper tension of the belt is critical, and it is often necessary to re tension the belt during regular maintenance.

或者，滚珠丝杠装置与滚动滚珠轴承系统非常相似，因此能够承载更高的负载并获得更高的推力。因此，滚珠丝杠驱动执行机构在可能需要定位大型、重型负载的应用中是理想的。达到高精度。根据具体的执行机构设计，可能需要定期润滑滚珠丝杠。

Alternatively, the ball screw device is very similar to the rolling ball bearing system, so it can carry higher loads and obtain higher thrust. Therefore, ball screw drive actuators are ideal for applications where large, heavy loads may need to be positioned. Achieving high accuracy. Depending on the specific actuator design, it may be necessary to lubricate the ball screw regularly.

滚珠丝杠

Ball screw

两种执行器类型之间的进一步比较揭示了皮带驱动执行器的其他缺点，尽管其简单和。对于更高的负载/推力需求，需要更厚的皮带。皮带也容易受到冲击负载的影响，尽管这一问题可能是通过对皮带材料的精心选择，在一定程度上减轻了皮带的弹性，增加了强度。另外，由于皮带容易伸长，滚珠丝杠执行机构的定位精度往往优于皮带驱动执行机构。正因为如此，滚珠丝杠驱动执行机构更适合于在长时间内要求高可靠性和重复性的应用。滚珠丝杠驱动执行机构是高加速度和高推力要求的，因为在这种重复要求下，皮带传动皮带轮很容易在转子处滑动。

Further comparison between the two actuator types reveals other disadvantages of belt driven actuators, although they are simple and efficient. For higher load / thrust requirements, thicker belts are required. The belt is also vulnerable to impact load, although this problem may be caused by careful selection of belt materials, which reduces the elasticity of the belt and increases the strength to a certain extent. In addition, because the belt is easy to extend, the positioning accuracy of the ball screw actuator is often better than that of the belt drive actuator. Because of this, the ball screw drive actuator is more suitable for applications requiring high reliability and repeatability for a long time. Ball screw drive actuators are the first choice for high acceleration and high thrust requirements, because under such repeated requirements, the belt drive pulley is easy to slide at the rotor.

综上所述，滚珠丝杠驱动执行机构在需要高负载和/或推力以及高精度定位的应用中是更好的选择。然而，由于其和简单，对于负载较低的应用，尤其是需要更高速度的应用，皮带驱动执行机构仍然是更好的选择。对于长行程应用，皮带驱动执行机构也可以是一种经济有效的解决方案。尽管在皮带驱动和滚珠丝杠驱动的机械执行机构之间进行选择的任务可能令人望而生畏。乍一看，每个设计的优点和缺点为每个独特的应用提供了明确的选择。

In conclusion, the ball screw drive actuator is a better choice in applications requiring high load and / or thrust and high-precision positioning. However, due to its high efficiency and simplicity, belt driven actuators are still a better choice for low load applications, especially those requiring higher speeds. Belt driven actuators can also be a cost-effective solution for long travel applications. Although the task of selecting between belt driven and ball screw driven mechanical actuators may be daunting. At first glance, the advantages and disadvantages of each design provide a clear choice for each unique application.

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