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减速机速比是什么意思?

来源:/ 发布时间:2019-12-05 浏览:
  微型电机在实际应用过程中,有的产品需要在微型电机上加上减速机来进行对电机的转速和扭矩进行控制(如智能锁产品就是通过微型减速电机来控制锁舌的)。其中减速机的速比就非常重要了,那么什么是减速机速比呢?
山东微型电机,山东无刷电机
  In the practical application of micromotor, some products need to add a reducer to the micromotor to control the speed and torque of the motor (for example, the intelligent lock product controls the locking tongue through the micromotor). The speed ratio of reducer is very important, so what is the speed ratio of reducer?
  我们先认识下减速机,减速机它是由齿轮传动、蜗杆传动组成的独立部件,作用就是通过多个齿轮(小齿轮带动大齿轮)来进行对微型电机的转速进行控制。减速机也叫做减速箱、减速器、齿轮箱或者减速齿轮箱等等,微型电机马达快速运转动力通过减速机输入轴上的小齿轮带动大齿轮来达到减速效果,大小齿轮越多微型电机最后的转速就会越慢。这个大小齿轮的齿数比就叫做传动比了。
  Let's first understand the reducer, which is an independent part composed of gear drive and worm drive. Its function is to control the speed of micro motor through multiple gears (small gears drive big gears). The reducer is also called reducer, reducer, gearbox or reduction gearbox, etc. the fast running power of the micro motor motor drives the big gear through the small gear on the input shaft of the reducer to achieve the deceleration effect. The more the big and small gears, the slower the final speed of the micro motor. The ratio of the number of teeth of the big and small gears is called the transmission ratio.
  另外还有一个减速也是传动比的一种(减速机的传动比),简单来说就是减速机瞬间输入速度与输出速度的比值,在计算公式中用“i”来表示,通用比值符号为“:”就是连接的输入与输出转速比值。可能在外行人看起来这个有点复杂,我们举个简单的例子,假如微型电机的输出转速为7500转(r/min),但是通过减速机之后只有60转(r/min),那么这个减速比就为i=125:1。
  In addition, there is also a kind of transmission ratio (transmission ratio of the reducer), which is simply the ratio of the instantaneous input speed and output speed of the reducer. In the calculation formula, "I" is used. The universal ratio symbol is ":" which is the connected input and output speed ratio value. For example, if the output speed of the micromotor is 7500 rpm, but only 60 rpm after passing the reducer, then the deceleration ratio is I = 125:1.
  这个减速比数值是怎么来的呢?其实只是一个非常简单的公式,我们直接把7500÷60即可得到计算结果为125,即减速比=输入转速÷输出转速。
  How does this deceleration ratio come from? In fact, it's just a very simple formula. We can directly calculate the result as 125 by 7500 ÷ 60, that is, the deceleration ratio = input speed ÷ output speed.
  除了上面简单的计算方法之外还可以用一种叫做齿轮系计算方法公式为:减速比=从动齿轮齿数÷主动齿轮齿数(多级齿轮减速需要把所有相啮合的齿轮组的从动齿轮数÷主动齿轮数,最后把得到的结果相乘),这种方法看起来较为复杂,如果你只是需要了解减速箱的速比,微型减速电机生产厂家会直接计算出来给你,也不必去费心计算,了解即可。从动齿轮直径÷主动齿轮直径得到的结果也可以计算出减速机的减速比。
  In addition to the above simple calculation method, there is also a formula called gear train calculation method: reduction ratio = number of driven gear teeth ÷ number of driving gear teeth (for multi-stage gear reduction, it needs to multiply the number of driven gears of all gear groups engaged ÷ number of driving gears, and finally multiply the results). This method looks more complex. If you just need to know the reduction gearbox The speed ratio of the micro motor manufacturers will be calculated directly for you, do not have to worry about the calculation, to understand. The reduction ratio of the reducer can also be calculated from the result of the driven gear diameter ÷ the driving gear diameter.
  减速比有何作用呢?
  What is the effect of deceleration ratio?
  减速比的大小对减速机最后的输出扭矩有着决定性的作用,在以前的文章中,已经有说过,减速比越大输出扭矩就越大,减速比越小,输出扭矩就越小,再简单点就是微型电机通过减速机最后的输出转速越慢扭矩就越大反之越快扭矩就越小。
  The size of the reduction ratio plays a decisive role in the final output torque of the reducer. In the previous articles, it has been said that the larger the reduction ratio is, the greater the output torque will be. The smaller the reduction ratio is, the smaller the output torque will be. The simple point is that the slower the final output speed of the micromotor through the reducer, the larger the torque will be, and vice versa.
  减速机的扭矩也是可以计算出来的,通过公式:减速机扭矩=9550×电机功率÷电机输入转速×速比×使用系数。
  The torque of the reducer can also be calculated by the formula: reducer torque = 9550 × motor power ÷ motor input speed × speed ratio × service factor.
  注:该公式需要有微型电机的功率、速比和使用系数才能计算减速机的扭矩,这些微型电机生产厂家都有,而且都会计算好给你。
  Note: the formula requires the power, speed ratio and service factor of the micromotor to calculate the torque of the reducer. The manufacturers of these micromotors have them and they will calculate them for you.
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