What motor(micro stepper motor) is used for fingerprint door lock?
Fingerprint lock drive motor is a small power micro drive motor, with low speed, low noise, high precision, high torque, long life, etc.; fingerprint door lock motor is mainly assembled by the micro drive motor, micro gear box, micro drive motor can be used brushed DC motor, brushless DC motor, micro stepper motor, micro hollow cup motor, micro gear box can be used planetary gear box, worm gear box Worm gear box and custom development of non-standard gear box as a reduction device; the following details of the common drive motor fingerprint door lock.
First. Miniature DC gear motor
Name: 3v DC gear motor (10mm planetary gearbox)
Product classification: DC gear motor
Outer diameter: 10mm
Material: hardware
Voltage: 3v
Rotation direction：cw&ccw
Gearbox return difference: ≤3°
Bearing：oil bearing;rolling bearing
Axial runout: ≤0.3mm(oil bearing);≤0.2mm(rolling bearing)
Output shaft radial load: ≤2N (oil bearing); ≤7N (rolling bearing)
Operating temperature: -20……+85℃
Drive motor: brush motor, brushless motor
Gear box: miniature planetary gear box
Second, miniature hollow cup motor
Name: 6mm hollow cup gear motor
Product classification：Hollow cup motor
Product Category: Plastic planetary gear box
Outer diameter：6mm
Material：plastic
Rotation direction：cw&ccw
Gearbox return difference: ≤3°
Bearing：oil bearing;rolling bearing
Axial runout:≤0.3mm(oil bearing);≤0.2mm(rolling bearing)
Output shaft radial load: ≤0.3N (oil bearing); ≤4N (rolling bearing)
Drive motor: hollow cup motor
Gear box: miniature planetary gear box
Three, Micro stepper motor
Name: 6MM small stepper motor gear box
Product classification: stepper gear motor
Outer diameter: 6mm
Material: hardware
Rotation direction: cw&ccw
Gearbox return difference: ≤ 3 °
Bearing：oil bearing; rolling bearing
Axial runout: ≤0.3mm (oil bearing); ≤0.2mm (rolling bearing)
Output shaft radial load: ≤ 0.5N (oil bearing); ≤ 5N (rolling bearing)
Operating temperature: -20……+85℃
Drive motor: stepper motor
Gearbox: micro planetary gearbox
Four, custom non-standard drive motor
Name: smart home door lock motor
Rotation direction ：CW
Rated voltage ：6V
No-load speed ：81±10%
No-load current: 250mA MAX
Rated load torque: 1000g.cm
Rated load speed: 60±15%rpm
Rated load current： 570mA MAX
Blocking torque: 3400g.cm
Product Description: To solve the security and reliability of smart door locks, we can implant Greensky gear motors in the lock cylinder system through the smart home door lock motor control system solution to improve the reliability of unlocking, enhance the speed of unlocking and the security of the door lock, and the long service life of the lock cylinder.
Different types of fingerprint door locks, the application of the drive motor is not the same, usually in accordance with the actual application requirements of the technical parameters of the customized door lock drive motor; fingerprint door lock precision micro drive motor parameters customized range in diameter 3.4mm-38mm, power: 0.01-40W, voltage 3V-24V, output speed 5-2000rpm, reduction ratio 5-1500, output torque 1gf.cm to 50Kgf.cm.
