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Color Name:750W-4400LBS/2000KG (Infrared Sensors+Racks) 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
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2 months ago
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