36 Bend-Tech Dragon
Troubleshooting Guide
Trolley & Chuck Troubleshooting
06
Bad Motor Cable
Check the motor cable. Inspect the cable connections and ensure the connections are tight.
Swap with another cable to check if the X-Axis motor cable is functioning properly.
Poor Ethernet Connection
Check Ethernet cable, ensure it is connected properly and routed away from other electrical
cables and devices.
6.1.2 Trolley is Binding while Jogging at Full Speed
Rails are not Aligned Properly
spacing where Trolley binds. Ensure Rail spacing is consistent along the length of the rail.
Rail spacing is set at the Bend-Tech manufacturing facility. If the Rails are out of alignment,
contact a Bend-Tech service representative to discuss the alignment process: support@bend-
tech.com.
Trolley Eccentric Bearings need Adjustment
Move Trolley along the Rail by hand and observe any locations where the Trolley might be
binding. The Trolley should travel smoothly along the length of the Rail without binding or
rocking side to side. If Trolley movement is inconsistent it may be necessary to adjust the
Trolley Eccentric Bearing. See section 6.2 for a full procedure on adjusting the Trolley eccentric
bearings.
6.1.3 X-Axis Motor is Skipping Steps
Set Screws between the X-Axis Motor and the Gearbox are Loose
Jog the Trolley and observe if the motor sound changes as it moves along the Rail. Motor RPM
motor and gearbox. Remove set screws, apply Loctite Blue 242 and reassemble.
6.2 Adjusting Trolley Eccentric Bearings
The Trolley Eccentric Bearings will need
to be adjusted if the Trolley rocks from
side to side, or binds anywhere along the
length of the rail. If the Trolley rocks from
side to sides the eccentric bearings are
too loose. If the Trolley binds the eccentric
bearings are too tight.
Tools needed
• ¾ in. wrench
• ¾ in. thin wrench
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