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.

滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)：滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)背后的基本原理實(shí)質(zhì)上是對絲杠驅(qū)動系統(tǒng)的改進(jìn)。滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)中，滾珠絲杠的旋轉(zhuǎn)驅(qū)動滾珠螺母/安裝支架，因?yàn)榻涌谑锹葜蜐L珠絲杠之間基本上是一個滾珠軸承系統(tǒng)，螺母中的硬化鋼球沿著螺柱的滾道滾動。與皮帶驅(qū)動執(zhí)行機(jī)構(gòu)類似，滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)的驅(qū)動部件封閉在鋁體內(nèi)，而機(jī)架在頂部移動。與皮帶驅(qū)動執(zhí)行器不同，驅(qū)動軸接口與滾珠絲杠對齊，位于執(zhí)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.

各自的優(yōu)勢和局限性：

Respective advantages and limitations:

對于需要長行程的應(yīng)用，通常皮帶驅(qū)動模組導(dǎo)軌機(jī)構(gòu)，這比使用類似長度的滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)更具成本效益。MJUNIT邁捷關(guān)鍵運(yùn)動部件，從而減少勞動密集型維護(hù)。盡管如此，為了確保扭矩的正確傳遞，皮帶的適當(dāng)張力關(guān)重要，通常需要在定期維護(hù)期間重新張緊皮帶。

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，滾珠絲杠裝置與滾動滾珠軸承系統(tǒng)非常相似，因此能夠承載更高的負(fù)載并獲得更高的推力。因此，滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)在可能需要定位大型、重型負(fù)載的應(yīng)用中是理想的。達(dá)到高精度。根據(jù)具體的執(zhí)行機(jī)構(gòu)設(shè)計，可能需要定期潤滑滾珠絲杠。

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.

滾珠絲杠

Ball screw

兩種執(zhí)行器類型之間的進(jìn)一步比較揭示了皮帶驅(qū)動執(zhí)行器的其他缺點(diǎn)，盡管其簡單和。對于更高的負(fù)載/推力需求，需要更厚的皮帶。皮帶也容易受到?jīng)_擊負(fù)載的影響，盡管這一問題可能是通過對皮帶材料的精心選擇，在一定程度上減輕了皮帶的彈性，增加了強(qiáng)度。另外，由于皮帶容易伸長，滾珠絲杠執(zhí)行機(jī)構(gòu)的定位精度往往優(yōu)于皮帶驅(qū)動執(zhí)行機(jī)構(gòu)。正因?yàn)槿绱耍瑵L珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)更適合于在長時間內(nèi)要求高可靠性和重復(fù)性的應(yīng)用。滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)是高加速度和高推力要求的，因?yàn)樵谶@種重復(fù)要求下，皮帶傳動皮帶輪很容易在轉(zhuǎn)子處滑動。

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.

綜上所述，滾珠絲杠驅(qū)動執(zhí)行機(jī)構(gòu)在需要高負(fù)載和/或推力以及高精度定位的應(yīng)用中是更好的選擇。然而，由于其和簡單，對于負(fù)載較低的應(yīng)用，尤其是需要更高速度的應(yīng)用，皮帶驅(qū)動執(zhí)行機(jī)構(gòu)仍然是更好的選擇。對于長行程應(yīng)用，皮帶驅(qū)動執(zhí)行機(jī)構(gòu)也可以是一種經(jīng)濟(jì)有效的解決方案。盡管在皮帶驅(qū)動和滾珠絲杠驅(qū)動的機(jī)械執(zhí)行機(jī)構(gòu)之間進(jìn)行選擇的任務(wù)可能令人望而生畏。乍一看，每個設(shè)計的優(yōu)點(diǎn)和缺點(diǎn)為每個獨(dú)特的應(yīng)用提供了明確的選擇。

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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