Rack: Quality: 4Pcs; Length:about 1M; Tooth Width: 12mm.
Working principle and structure:
1.This machine is consists of the motor, worm, gear, driven gear,etc.
2.The
specific motor drives the worm, the worm transfers the motion to the
worm gear and the driven gear（sprocket）,and the driven gear drives the
rack.
3.The motor transfers its motion energy to the sprocket through
the worm and gear, the driven gear, and the worm gear will both
rotating when the clutch is engaged, so the door will to be open or
close under electric control. When in power failure, get the clutch
disengaged through the disengage key(turn 90° clockwise), this machine
will to be effected manually to open or close the gate
Features:
Brand New and high quality.
1. Manual clutch: power off can be manually disconnected, easy to use
2. Automatic door closing function:
time can be set to 5, 10, or 20 seconds.
3. It has slow heat generation, stable start, high safety, waterproof, explosion-proof and so on.
4.
Motor force adjustment: It can adjust the thrust of the motor during
operation to prevent the motor from overloading, thus protecting the
motor.
5. The motor has a temperature protector: when the temperature
is too high, the motor automatically cuts off the power supply to
protect the motor.
6. Motor time protection: avoid the motor running
for a long time when the stroke fails. The default time is 90 seconds,
which can be adjusted by itself.
7. Anti-shock stroke design: When
the door body reaches the stroke, the button can only be pressed in the
opposite direction, the motor can be operated to prevent the stroke.
8.Infrared sensing design,
the door will automatically rebound if there are obstacles or people
passing by when closing the door.
