Bend-Tech DRAGON A400 Maintenance & Troubleshooting
Cnc plasma tube and pipe cutting machine
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- Start-up and training manual (56 pages) ,
- Assembly manual (56 pages) ,
- Manual (35 pages)
Related Manuals for Bend-Tech DRAGON A400
Summary of Contents for Bend-Tech DRAGON A400
- Page 1 Part 1 of 2 A400 Maintenance & Troubleshooting Part 1: Dragon A400 Version 2 | English ©2020 Bend-Tech LLC...
- Page 2 We are constantly working to improve and advance our products to increase performance, user satisfaction and experience. Bend-Tech LLC assumes no responsibility for errors or omissions regarding this manual. Bend-Tech LLC assumes no liability for damages resulting from the use of the information contained in this publication.
- Page 3 Dragon A400 Maintenance & Troubleshooting Version 2 English Original Instructions March 2020 Bend-Tech, LLC 729 Prospect Ave. Osceola, WI 54020 USA (651) 257-8715 www.bend-tech.com support@bend-tech.com Bend-Tech Dragon A400 Maintenance & Troubleshooting...
- Page 4 This warranty does not cover components subject to wear due to normal use of the machine such as belts, lights, tooling etc. This warranty is void if Bend-Tech, LLC has determined any failure is the result of mishandling, abuse, misuse, improper installation, improper storage, improper maintenance or unauthorized modification of the machine.
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Page 5: Customer Service
Dragon A400. Bend-Tech, LLC places great pride in customer satisfaction and it is our promise to offer you the best support available for your Dragon A400. We recognize that our support is a key factor in your success. -
Page 6: Warnings
Example ! Danger ! Exceeding the material weight limit of the Dragon A400 can result in serious injury to the operator and/or bystanders. Warning A Warning indicates there is a possibility for minor injury if the instructions are not followed correctly. - Page 7 A Note gives clarification or focuses on information that is critical or unique to an operation. Example Water Cooling system greatly reduces smoke and vapor emitted by the machine. Bend-Tech recommends use of the Water Cooling system whenever possible. Bend-Tech Dragon A400 Maintenance & Troubleshooting...
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Page 8: Glossary
System for connecting multiple computers via a Local Area Network. Axis Front Gate A fixed reference line used by the Dragon A400. The Gate supports the material at the front of the machine. It consists of two Bend-Tech 7X sets of self-centering roller jaws. -
Page 9: Table Of Contents
Setting Engraver Air Pressure ..23 Engraver digging into material or marking too light ....23 Bend-Tech Dragon A400 Maintenance & Troubleshooting... -
Page 10: Contents
Replacing the Drive Belt... . . 35 Material Support Lift Settings In Bend-Tech 7x ....25 Drive Belt Replacement Procedure . 35 Change the Support Lifter Gap . - Page 11 Level ......53 Trueing the Dragon A400 Rail Beam 53 Rail Splices ....54 Bend-Tech Dragon A400 Maintenance &...
- Page 12 Contents Maintenance & Troubleshooting Bend-Tech Dragon A400...
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Page 13: Introduction
Properly setting up a Support Session with a Bend-Tech Service Technician can be key to keeping the Dragon A400 up and running. Bend-Tech knows keeping the Dragon A400 performing optimally is critical to our customers’ bottom line. We are more than happy to help, and properly setting up a Support Session allows our techs to help as quickly and efficiently as possible. - Page 14 Service Techs can help. 5. If there is a file associated with the issue click the folder icon on the right-hand side and upload the design file. Click Submit. Maintenance & Troubleshooting Bend-Tech Dragon A400...
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Page 15: Gate
In older machines it is possible for the Gate Lead Screw retaining clips to fall off. Customers with older machines who are having this issue should contact Bend-Tech regarding updating the Gate Lead Screws. Original design Gate Lead Screws have right-hand threads that place too much pressure on the lead screw clip. -
Page 16: Gate Not Operating Smoothly
Clean the bearings with brake cleaner Rack eccentric bearings dirty and/or compressed air. The Gate is exposed to Torch slag, cutting fumes and, if equipped with a Cooling System, moisture. It is important to keep the Gate clean. Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 17: Laser
From the Bend-Tech Dragon home end of tube interface click Machine Control, then click Home All Axis to home the Dragon A400. If it is determined the Machine not homed/ machine needs to be calibrated, the calibrated correctly. Operator can perform a full calibration... -
Page 18: Laser Failure
Inspect cables, inspect plugs, replace Cable or plug issue. if damaged. The Laser is a consumable. If the Laser quits working it may have reached the end of its service life. Contact Bend-Tech to order a new Laser. Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 19: Torch & Cutting
Y Motor loose. and Y Motor Drive Gear. Check Ethernet connectivity. Check to ensure Breakout Board is seated Y Motor skipping steps. in Motor Drivers properly. Ensure consistent power to machine. Bend-Tech Dragon A400 Maintenance & Troubleshooting... -
Page 20: Cut Quality Issues
Jagged Cuts Loose set screws on X or Remove Trolley cover and perform Y Axis. inspection of X and Y Axis. Ensure material moves freely in Gate Gate too tight on material. with no play. Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 21: Grounding The Torch
Perform Torch Mount procedure. Grounding The Torch It is critical the Dragon A400 Torch is grounded properly. Improper grounding can lead to numerous cutting issues. Early Dragon A400 Machines used a pair of brushes contacting the Chuck Spindle to ground the Torch. The Operator can achieve more consistent grounding by converting to a grounding tab mounted on the pillow block bearing. - Page 22 4. Use ⅛ in. or 3/16 in. steel to fabricate a grounding tab as shown. The Customer can also request a grounding tab from Bend-Tech. 5. Use a 5/16 in. socket and extension to remove the grounding cable from the carbon brush mount.
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Page 23: Engraver
The Engraver is driven by pressurized air. It uses two separate regulators located just behind the Toolhead. The right side regulator controls the Engraver and is pre-set at the Bend-Tech manufacturing facility to 70-80 PSI. The Left side regulator controls the Engraver air cylinder and is pre-set at the Bend-Tech manufacturing facility to 7-8 PSI. -
Page 24: Engraver Bleeder Valve
The Engraver Actuator Cylinder and air regulator also use an air bleeder screw. The bleeder screw is located on an air line extension just off the Engraver Air Regulator. Ensure the bleeder valve is open. Engraver Air Pressure Settings Engraver 70-80 PSI Engraver Actuator Cylinder 7-8 PSI Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 25: Material Support Lift
If the Material Support Lift is binding and/or skipping steps when processing large material, it may be necessary to change the Support Lifter Gap. Contact a Bend-Tech Service Tech before changing these settings. -
Page 26: Lifter Colliding With Rail
Support Lift from hitting the rail.) Setting Material Support Lift Actuation and Retraction Adjustment Material Support Lift Retraction is pre-set at the Bend-Tech manufacturing facility. The retraction value is typically set to roughly two seconds. If it is determined the retraction time needs to be adjusted the Operator will be required to open the Material Support Lift enclosure and adjust the needle valves in the air cylinder. -
Page 27: Disabling The Material Support Lift
In some cases the Operator may wish to disable the Material Support Lift when processing thicker material, or when there are no concerns about material sagging. In Tube Library > Machine click “Disable Support Gate” in the bottom left of the interface. Bend-Tech Dragon A400 Maintenance & Troubleshooting... - Page 28 Material Support Lift Maintenance & Troubleshooting Bend-Tech Dragon A400...
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Page 29: Axis Motor
Trolley eccentric bearings length of the Rail and should have not adjusted properly no play side-to-side or up and down. If Trolley movement is inconsistent it may be necessary to adjust the Trolley Eccentric Bearing. Bend-Tech Dragon A400 Maintenance & Troubleshooting... -
Page 30: Axis Motor Skipping Steps
Pulley Troubleshooting. Setting Rail Distance Rail distance is set at the Bend-Tech manufacturing facility. If it is determined the Rails are out of alignment its is recommended the Customer contact a Bend-Tech service representative to discuss the alignment process: support@bend-tech.com; 651-257-8715... - Page 31 Trolley operation. Once the eccentric bearings are adjusted so the Trolley rides smoothly along the Rail with no side-to-side or up and down play, tighten the eccentric bearing mount nuts, then tighten another quarter turn. Bend-Tech Dragon A400 Maintenance & Troubleshooting...
- Page 32 X Axis Motor Maintenance & Troubleshooting Bend-Tech Dragon A400...
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Page 33: Drive Belt
• Reducing tension will help the Drive Belt ride farther away from the Drive Motor. • It is possible for hot slag to fall on the belt and damage the Drive Belt. This can cause tracking and tension issues. Bend-Tech Dragon A400 Maintenance & Troubleshooting... -
Page 34: Bonding The Drive Belt Pulley
• Loctite 638 Retaining Compound In 2019 Bend-Tech began using bonding compound to help secure the Drive Belt Pulley to the Drive Motor. It is recommended that Owners having Drive Belt issues on earlier machines remove the Drive Belt Pulley and reassemble with bonding compound to secure the Drive Belt Pulley. -
Page 35: Replacing The Drive Belt
Ensure the new Drive Belt is positioned up against outer clamp block screws. Ensure the new Drive Belt is fed all the way to the front of the clamp block. Bend-Tech Dragon A400 Maintenance & Troubleshooting... -
Page 36: Checking Drive Belt Tension
2. Using the Belt Tension Tool from the Miscellaneous box, position the tool one foot from the Drive Belt Clamp Block. 3. Place a finger under the Drive Belt two feet from the end of the Drive Belt Clamp Block. Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 37: Drive Belt Tensioning Procedure
This position indicates belt tension 1 ft. 2 ft. Belt Tension Tool Belt Tension 120 lb-ft If the Drive Belt is tracking incorrectly on the Drive Belt Pulley call Bend-Tech Service. Drive Belt Tensioning Procedure Tools Needed • ¾ in. wrench •... -
Page 38: Adjusting Belt Tension
Block adjustment Stud. Tighten the locking nut with a ¾ in. socket and ratchet or ¾ in. wrench against the adjustment nut by turning it clockwise. 4. Re-check Drive Belt tension. Tension Nut Locking Nut Rear Belt Clamp Pins Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 39: Chuck
Chuck not level in load Ensure cables are in working order position and not damaged. In the Bend-Tech Dragon home interface, click Machine Control. In the Y Axis not homed. top right hand corner click the home icon next to the Y Axis, or click Home All Axis. -
Page 40: Removing And Cleaning Chuck Jaws
5. Reinstall the Chuck jaws, ensuring they are installed in the same location and on the same rotation of the Chuck key. 6. Reinstall the Chuck. Tighten the Chuck mounting screws then give each screw another quarter turn. Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 41: Control Box
The Operator should be familiar with the operations of the Control Box. It is sometimes necessary for the Operator to inspect or replace Control Box components. Do not attempt to service or modify the Control Box without first contacting a Bend-Tech service representative. Replacing a Motor Driver... -
Page 42: Replacing The Control Box Power
4. Use a 7/32 in. nut driver or small socket to remove the nuts that secure the smoothstepper to the Control Box door. 5. Once the nuts are removed, remove the smoothstepper. Installation is the reverse of removal. Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 43: Replacing Control Box Fuses
Replacing the Control Box Symptom Cause Corrective Action Unknown failure within Control Wear, power spike, contamination Replace the Control Box Control Box components have Control Box needs to be become obsolete, or Machine updated has been updated. Bend-Tech Dragon A400 Maintenance & Troubleshooting... - Page 44 Repeat this process for the right side Mounting Bolt. Once the mounting bolts are removed, Motor Divers position the old Control box out of the way so the new Control Box can be mounted. Maintenance & Troubleshooting Bend-Tech Dragon A400...
- Page 45 Ensure the Breakout Board is fully seated on the motor drivers. Take care not to alter any of the white dip switch settings as these are preset at the Bend-Tech manufacturing facility for optimum performance.
- Page 46 Control Box Maintenance & Troubleshooting Bend-Tech Dragon A400...
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Page 47: Ess Connections
Ensure all sleep timers are turned off. Saving feature. Ensure the computer is connected directly to the Control Box. Ensure the Ethernet cable connection Ethernet Cable is connected to its own incorrect. Ethernet plug in the computer with no adapters. Bend-Tech Dragon A400 Maintenance & Troubleshooting... -
Page 48: Connection Lost While Machine Is
Possible Torch interference other electrical cables. Connection Lost While or electrical interference. Machine Is Running Ensure Bend-Tech is the only program Computer running out of running. Close out of all other RAM. programs. Check CPU usage. To check CPU usage, right click the Task Bar > Tank Manager > More Details. Scroll through to ensure no processes are using an inordinate amount of computer memory. -
Page 49: Sensors
Sensors Sensor Overview The Dragon A400 uses rugged, long-lasting proximity sensors to determine critical machine positions. Issues related to machine positioning are rarely sensor-related. Typically an issue is the result of a sensor falling out of adjustment or a cable. -
Page 50: Inspecting Sensor Cables
A and Z (Toolhead) negative sensors can be changed easily. However, the positive sensors require removal of the Toolhead to change. The positive sensors can be disconnected and the machine run safely without them until the Operator can schedule down time for replacement. Maintenance & Troubleshooting Bend-Tech Dragon A400... -
Page 51: Miscellaneous
Gate EStop EStop EStop Router Laser *Computers provided by Bend-Tech Engraver Torch have a built in WiFi adapter. However, if WiFi is not available the computer will need to be connected to the internet with a USB to Ethernet adapter. - Page 52 EStop EStop Laser Engraver Torch Ethernet to USB Adapter Do Not connect the Control Box to a USB port via an adapter. Do Not Connect the Computer to the Control Box via a Router. Maintenance & Troubleshooting Bend-Tech Dragon A400...
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Page 53: Rail Alignment
4. Place a Torpedo Level across the Rails to determine of the Rail Beam is level side-to-side. Bend-Tech recommends mounting the Dragon A400 to the floor of the shop whenever possible. Mounting the machine to the floor will help ensure the machine remains true. -
Page 54: Rail Splices
Improperly spaced Rail Splices can affect Trolley movement and possibly affect cut quality. Ensure that each Rail splice intersects with the next as seamlessly as possible. Ensure that all of the Rail splices are fastened properly to the Rail. Maintenance & Troubleshooting Bend-Tech Dragon A400... - Page 56 Bend-Tech, LLC 729 Prospect Ave. Osceola, WI 54020 1-651-257-8715 sales@bend-tech.com www.bend-tech.com...
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