Medical Equipment Motor 7.4V 0.3W Used For Blood Pressure Monitor

Medical Equipment Motor 7.4V 0.3W Used For Blood Pressure Monitor

Essential Details

Key Word: Gear Motor

Place of Origin: Guangdong, China

Rated Speed: 1-500RPM

Rated Power: 0.3W

Rated Current: 0.39mA

Rated Torque: 0.05~3.5N.m

Application: Blood Pressure Monitor

Rated Voltage: 7.4V

Model Number: KG-3751GM7.4

Continuous Current: 100-8000mA

Warranty: 3 Years

Efficiency: IE 2

Noload Speed: 300±30RPM

Direction of rotation: CW Or CCW

Lead Time

Product Description

Drawing

Sample

Application

The working life of the gear motor generally exceeds the working life of the DC motor, which can usually reach 1000 to 3000 hours. The total reduction ratio of the gearbox is generally in the range of 1:10 to 1:500. After special design, it can reach 1:1000 or larger, but the gearbox with a large reduction ratio is not allowed to "reverse", that is, it cannot use the output shaft of the gear motor as the drive shaft to force reverse.

Due to the limitation of gear strength, when the total transmission is large, the gear motor may not be able to withstand the locked-rotor torque, and the load torque at this time cannot exceed the maximum allowable short-time load torque.

The gear motor consists of multiple gear pairs. Each stage includes a pair of meshing gears consisting of a sheet gear and a pinion. The first pinion is mounted on the output shaft of the motor. The bearing used for the output shaft of the gear box is usually an oil bearing made of sintered copper or iron material.

Motors can be constructed in several different physical configurations. In the conventional (also known as inrunner) configuration, the permanent magnets are part of the radially center core. In the outrunner (or external-rotor) configuration, the radial-relationship between the coils and magnets is reversed. The stator coils in the outrunner configuration form the center core of the motor, while the permanent magnets spin within an overhanging rotor which surrounds the core.

Gear motors function as torque multipliers and speed reducers, requiring less motor power to drive a given load. The gear housing design, the gearing type, gear lubrication, and the specific mode of integration all affect the gearmotor performance.

Increasing the reduction ratio producesincreased torque. but there are limits to thestrength of the material, so if the starting torquefor the geared motor exceeds the guaranteedstrength, avoid locking the output shaft. When using belts or cams to transmit the torquefrom the output shaft, problems can occur to thePV value of the gear shaft material drasticallyreducing the life so due care is requiredAvoid press fitting components to the outputshaft.

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