Electric Motor Size Gearbox Size Chart

70 85 7 9 20 iec56.

Electric motor size gearbox size chart.

This reduced rating based on the increased heat is. In this case that indicates a size 726 gearbox. 110 130 9 14 30 iec80. This motor has a special type of mounting flange installed on the shaft end.

This generator sizing sheet will help you to determine your running and starting watts so you can choose the correct generator for your needs. Recall that with a gearhead torque rises and output shaft speed drops with the gear ratio. Once the gearbox is sized use the required hp to compute the actual service factor. On page 14 you will find a baldor frame size chart that is a great reference on t frame u frame and.

Calling motors with 2 digit frame sizes fractionals is somewhat. The mystery of motor frame size introduction industrial electric motors have been available for nearly a century. The size of the generator you need depends on your power requirements. 1 5 safety factor 100 oz in.

Motor size spigot diameter a mounting hole pcd hc 2 mounting hole diameter d motor shaft diameter d motor shaft length l iec56. Motor hp and frame size the gearbox size and input option must be determined before calculating the service factor. You can now size the gearhead to a motor by figuring 66 oz in. Large hp motors generate heat that can adversely affect the reducer s mechanical ratings.

Electric motors generators and drives the following are dimensional size charts for standard electric motor nema standard frames and configuration. D the d flange face mounted motor. Gearmotor sizing guide. 80 100 7 9 20 iec63.

John mazurkiewicz is a product manager with baldor. For the machine is 58 rpm and you were using a 1 750 rpm motor you would calculate gear ratio as follows. C flange motors always have threaded mounting holes in the face of the motor. The following specifications documents and dimension charts are available as acrobat pdf files.

For instance suppose that an application needs a 2 hp motor with a 15 1 ratio. 80 100 7 m6 19 40 iec80. The critical items on c face motors are the bolt circle aj dimension rabbet diameter ak dimension and the shaft size u dimension. 70 85 7 m6 14 30 iec71.

Generally a higher wattage generator lets you power more items at once. According to one manufacturer s product number system size 726 defines a gearbox that has a 2 62 center distance. In that time there have been a great. To use the chart find the point where 2 hp and 15 1 ratio intersect.