说明

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System Component: Rotary actuator, Shaft assembly and Door panel assembly. 1) The actuator presents rotary motion and "Lift-to-latch" feature. A double appearing cylinder drives a splined shaft via a helical ball cage to produce rotary motion. When the door reaches the closed position, the actuator lifts the door shaft and door panel approximately 10mm,enabling latches at the door panel to engage mating wedges on the door jambs.The door panel is held closed as lengthy as air strain is utilized the actuator. 2) The shaft meeting is designed for simple installation and maintenance. 3) The door panel could be specially designed to match with full bus design. It is fabricated from aluminum alloy, which has the attributes of light weight, high strength and lengthy life. Operating principle: 1)Auto operation :When "open" or "close" switch is pushed, the 5-way 2-position solenoid valve can be actuated, which drives linear pneumatic cylinder stream up and down. Through splined shaft,the linear motion move to rotation, which trigger the door open or close. 2)Emergency release: In case of emergency, rotate the emergency valve ninety degree to release the air pressure. The door panel will drop as soon as air pressure within the cylinder is low. Push the door panel manually to open the door 3)Sensitive edge: In case the passenger or other items are clamped throughout the car door closing, the door panel can be lifted and actuate the limit change to reverse the movement to open the door. Main Parameter: Maximum torque in locked role (@90 psi) 122 ft-lbs Recommended door shaft rotation ninety diploma Operating temperature -30°C to 80°C Envelope length 5.51"w x 12.50"d x 4.53"h Operating strain 90-125 psi Minimum Life cycle 500,000 Locking mechanism Local wedge lock Door remaining time 3-5 seconds Door opening time 3-5 seconds   Application Scenario  

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