27Bend-Tech Dragon A400
Powered Gate Retrot Guide
Installation Guide
02
washers onto the C Axis Drive Motor Bracket mounting screws.
Place the C Axis Drive Motor Mount Bracket assembly in position on the side the Head of the
machine. Align the mounting holes drilled in the Head with the holes on the mount bracket.
Feed a ¼ -20 Allen head mounting screw through one of the mounting holes.
While holding the C Axis Drive Motor Mount Bracket assembly and ¼ -20 Allen head screw
in place with one hand, reach into the Head of the machine, place a washer, and thread the
process for the remaining three ¼ -20 Allen head mounting screws.
Setting Backlash for the C Axis
Before tightening down the C Axis Drive Motor Bracket it is necessary to set the backlash
between the C Axis Drive Motor and the Gate Ring
Gear. If backlash is not correct it may result in
imprecise cutting or damage to the Powered Gate.
1. Position Drive Gear
Before setting backlash, the Installer should set the
position of the C Axis Drive Gear so the Gate Ring
Gear fully meshes at the center of the C Axis Drive
Gear. Once the gears are positioned so the Gate
Ring Gear meshes at the center of the C Axis Drive
Gear, remove each set screw and apply a drop of
Loctite Blue 242. Re-install each set screw and tighten
securely.
2. Backlash Procedure
To begin setting backlash, mesh the C Axis Drive Motor
gear and the Gate Ring Gear by positioning the C Axis
Drive Motor by hand. Ensure the C Axis Drive Motor
Bracket is snug to the machine. With the drive gear
meshed to the Gate Ring Gear, begin turning the Powered Gate by hand while holding the C
Axis Drive Motor steady.
Bend-Tech has found there will be a tight spot in one position on the Gate Ring Gear. Locate
Drive Motor Gear does not bind in this position. With the C Axis Drive Motor Gear meshed in
this position, tighten the C Axis Drive Motor Bracket securely by hand.
Make sure the C
Axis Drive Motor
Gear meshes fully
across the Gate
Ring Gear
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