# How To Calculate Gear Ratio Using Teeth

### How To Calculate Gear Ratio - HBReducer

Divide the number of teeth on each “driven” gear by the number of teeth on the “drive” gear for each interlocking set of gears to calculate the intermediate gear ratios. In our example, the intermediate gear ratios are 20/7 = 2.9 and 30/20 = 1.5 . More Information

### What is Gear ratio? [How to calculate Gear Ratio with Formula]

This ratio can be expressed as the number of gear teeth divided by the number of pinion teeth. So in this example, since there are 54 teeth on the larger gear and 18 teeth on pinion. There’s a ratio of 54 to 18 or 3 to 1 this means that pinion is turning at three times the speed of the gear. More Information

### Developing the Gear Ratio Formula

Students may answer that you can use the numbers of teeth on the gears to find the gear ratio. Add the teeth ratio expression to the equation you wrote earlier: rotations of driver gearteeth of driven gear gear ratio= = rotations of driven gearteeth of driver gear More Information

### Gear terminology and teeth calculation formulas easy guide ...

### Gear Train : Gear Ratio, Torque and Speed Calculations ...

Gear Ratio (GR) Calculation for Multi gear Train. Step-1: Calculate Gear-Ratio between Gear-1 and Gear-2 (Driver and Idler). GR(1-2) = 20/40 = 0. 5. Step-2: Calculate GR in between Gear-2 and Gear-3 (Idler and Driven Gear). GR(2-3) = 10/20 = 0. 5. Step-3: By Multiplying gear-ratio between 1 to 2 and 2 to 3. We will get resultant GR between Driver and Driven Gear. More Information

### Gears, Velocity Ratios and Mechanical Advantage

Gear Ratio • You can think of gear ratio as a multiplier on speedand a divider on torque. • You can calculate the gear ratio by using the number of teeth of the “driving gear" (a.k.a. the inputgear) divided by the number of teeth of the “driven gear” (a.k.a. the outputgear). More Information

### Calculation of Gear Dimensions | KHK Gears

Number of teeth in gear z2: 34 and higher: 33 and higher: 32 and higher: 31 and higher: 30 and higher: 29 and higher; Working depth hw: 1.500: 1.560: 1.610: 1.650: 1.680: 1.695; Tooth depth h: 1.666: 1.733: 1.788: 1.832: 1.865: 1.882; Gear addendum ha2: 0.215: 0.270: 0.325: 0.380: 0.435: 0.490; Pinion addendum ha1: 1.285: 1.290: 1.285: 1.270: 1.245: 1.205; Tooth thickness of gear s2: 30: 0.911: … More Information

### Working out the number of Teeth from Gear Ratios | Gears ...

The ratio for (e.g.) gear 1 is defined to be 4. The ratio of 4 is split into the constant gear N2/N1 and the gearpair NG1/NP1. N2/N2 is assumed to be 1,25. The sums N1+N2 and NG1+NP1 hast to be equal (module is same) Calculate multiple values of 2,25 and 4,2, since the teeth … More Information

### Gear Ratio Calculator | RANDYS Worldwide

The ratio of a ring and pinion gear set is simply the number of ring gear teeth divided by the number of pinion gear teeth. To use the calculator, count the teeth on each gear and enter them in the appropriate box. Press the Solve button and the ratio appears below. The results can be used in our Transmission Ratio RPM Calculator and RPM ... More Information

### Gear Ratio Calculator| Spicer Parts

The calculation uses the number of teeth in the ring gear and divides it by the number of teeth in the pinion gear to provide you with a “ [result] to 1” ratio. For example, if the pinion gear has 41 teeth, and the ring gear has 11 teeth, the ratio would be calculated as 41/11, which is equal to 3.73 = 3.73:1. More Information

### How to Calculate Gear Ratios? What are the Gears?

The Driving gear is rotated by a motor and the driven gear is rotated by the driving gear. A gear ratio is determined by using these two gears. Gear ratios. The ratio is the number of teeth on the driven gear (ring gear) divided by the number of teeth on the driving gear (pinion gear). For eg, if the driven gear has 36 teeth and the driving ... More Information

### How to calculate gear teeth from given gear ratio, torque ...

From the Torque you need to design the gear for strength. The designed out parameters are the minimum centre distance, module and face width. Pressure angle determines the minimum number of teeth on the pinion. The pinion is normally the gear for ... More Information

### Calculation of Gear Dimensions | KHK Gears

NOTE 1 : The subscripts 1 and 2 of z 1 and z 2 denote pinion and gear. All calculated values in Table 4.1 are based upon given module m and number of teeth (z 1 and z 2).If instead, the modulem, center distance a and speed ratio i are given, then the number of teeth, z 1 and z 2, would be calculated using theformulas as shown in Table 4.2.. Table 4.2 The Calculations for Number of Teeth More Information