PSD Engine

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Driving Mechanism

Cabling

Drive Mechanism is the device for DCU (Door Control Unit) to open and close ASD (Automatic Sliding Door) to control motor and manipulate driving unit by receiving open and close command from PCU (PSD Central interface Unit)

There are two types of drive mechanism: Screw Type and Belt Type.

Characteristics of Drive Mechanism Type

Belt Type Screw Type
Life cycle Standard cycle: 3 years Semi-permanent
Header box
  • More space
    – Width over 250~290mm
  • Less space
    – Width under 200mm
Maintenance part
  • Motor Pulley, Belt, Belt Pulley, Roller, Tension adjusting apparatus for belt
  • Screw(semi permanent), Nut, Coupling, Roller
Maintenance
  • Inspection & Disassemble using tools and jig
  • Replace belt after disassemble
  • Tuning required after mounting belt
  • Cleaning on inspection Disassemble by bolts for replacement
  • Modular replacement
  • No extra tuning required after replacement
Inspection
  • Door inspection using gauge and testers
  • Manually adjust after tension inspection & replacement
  • Check with visual & parameters of control units
  • Motor power & Torque parameter adjustable to accommodate site conditions
Price
  • 30% lower than Screw type
  • 30% higher than Belt type

Screw Drive Mechanism for Full Height PSD and Semi Full Height

Screw Drive Mechanism mainly comprises DCU, BLDC Motor, Coupling, Screw & Nut, Locking device, Guide rail, Connecting bracket, Open Switch, Close Switch and Locking Switch.

Screw&Nut

screw-nut

  • Screw : Aluminum alloy
    Semi-permanent
  • Nut : Self-Lubrication
    Greaseless
Motor

motor

  • Brushless DC Motor
  • Semi-permanent
Door Control Unit

Door-Control-Unit

  • Motor Control-PID
  • Event Storage
  • Serial&Hardwire

screw-driving-unit

Locking Device

locking-device

  • Fail-Safe Mechanism
  • Locking by Self-load
  • Unlocking by solenoid
Connecting Bracket

connecting-bracket

  • Roller:Self-Lubrication
    Greaseless
Open/Close Switch

open-close-switch

  • Limits Switch
  • Open/Closed Status

Belt Drive Mechanism for Full Height PSD and Semi Full Height

Belt Drive Mechanism mainly comprises DCU, BLDC Motor, Belt, Pulley, Tension adjusting apparatus for belt, Locking device, Guide rail, Connecting bracket, Open Switch, Close Switch and Locking Switch.

Belt&Pulley

belt-pulley

  • Belt : Timing Belt
    Low Smoke
  • Pulley : Aluminum alloy
Motor

belt-moter

  • Brushless DC Motor
  • Semi-permanent
Door Control Unit

Door-Control-Unit

  • Motor Control-PID
  • Event Storage
  • Serial&Hardwire

belt-driving-unit

Locking Device

lockingdevice-01

  • Fail-Safe Mechanism
  • Locking by Self-load
  • Unlocking by solenoid
Connecting Bracket

connectingbracket

  • Roller:Self-Lubrication
    Greaseless
Open/Close Switch

open-close-switch-01

  • Limits Switch
  • Open/Closed Status
Tension Adjuster

tension-adjuster

  • Limits Switch
  • Open/Closed Status
Open/Close Switch

open-close-switch-01

  • Limits Switch
  • Open/Closed Status
Tension Adjuster

open-close-switch-01

  • Limits Switch
  • Open/Closed Status

Belt Drive Mechanism for Half-height PSD

Belt Drive Mechanism mainly comprises DCU, BLDC Motor, Belt, Pulley, Tension adjusting apparatus for belt, Locking device, Guide rail, Connecting bracket, Open Switch, Close Switch and Locking Switch.

Half-Height-PSD

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