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Bend-Tech Dragon A150

Troubleshooting Guide

Cutting Issues

Maintaining the drive systems on the Dragon A150 is critical to achieving accurate cutting,

engraving and marking operations. The machine has numerous chain drives and set screws

that require regular maintenance. The Gate, Trolley and Toolhead also require regular

maintenance to ensure proper operation.

Symptom

Cause

Corrective Action

Copes/cuts not on same

rotation

Incorrect backlash

Check set screws on X and Y axis;

perform backlash correction in Dragon

software

X axis chain and/or drive

gear set screws

Check X chain tension; check Y chain

tension

Loose set screws

Check set screws on all drive gears

Jagged/Wavy Cuts

Rail dirty

Clean Rail with penetrating oil and

clean rag

Trolley loose on Rail

Trolley should move smoothly along

the Rail with no play. Adjust Trolley

roller system if necessary

X chain chattering

Contact Bend-Tech service regarding

anti-chatter kit

Material too heavy,

causing X or Y motor to

skip steps

Check material weight

Содержание DRAGON A150

Страница 1: ...A150 Part 1 of 1 Maintenance Troubleshooting Revision 1 English 2020 Bend Tech LLC...

Страница 2: ...e most complete and accurate information regarding its products We are constantly working to improve and advance our products to increase performance user satisfaction and experience Bend Tech LLC ass...

Страница 3: ...0 Troubleshooting Guide Dragon A150 Maintenance Troubleshooting Revision 1 English Original Instructions September 2020 Bend Tech LLC 729 Prospect Ave Osceola WI 54020 USA 651 257 8715 www bend tech c...

Страница 4: ...tenance plan will ensure the customer always has the newest version of Dragon software The maintenance plan is critical to keeping Dragon software updated with the newest capabilities possible and is...

Страница 5: ...tps www instagram com bend_tech Customer Service Congratulations on your purchase of the world s best CNC plasma tube and pipe cutting machine the Dragon A150 Bend Tech LLC places great pride in custo...

Страница 6: ...e machine Definitions Examples Danger Danger indicates a serious condition that could cause severe injury or death to the operator or bystanders if the instructions are not followed Warning A Warning...

Страница 7: ...uld affect the overall procedure being performed Note A Note gives clarification or focuses on information that is critical or unique to an operation Caution Exceeding the material weight limit can af...

Страница 8: ...ail E Stop Emergency stop ESS Ethernet Smooth Stepper Control Board Ethernet System for connecting multiple computers via a Local Area Network Front Gate The Gate supports the material at the front of...

Страница 9: ...hain Maintenance 17 Reversing Cut Direction 20 Editing Polyline Resolution 21 Adjusting Torch Position 22 03 Toolhead 23 Toolhead 23 Adjusting the Toolhead Trolley 24 Remove the Toolhead 24 Toolhead R...

Страница 10: ...rection 53 Additional Trolley Set Screws 54 Chuck Alignment 54 Aligning the Chuck 54 12 Center Support Lift 57 Center Support Lift 57 Center Support Lift Air Cylinder 58 Center Support Lift Air Pressu...

Страница 11: ...icate Homing Switch is Triggered 68 X and A Axis Limit Switch Failure 69 Replacing The A Axis Limit Switch 69 Replacing the X Limit Switch 70 16 Mach3 71 Mach3 Machine Driver Software 71 Installing Wa...

Страница 12: ...xii Bend Tech Dragon A150 Troubleshooting Guide Contents...

Страница 13: ...ope of this guide please contact Bend Tech service support bend tech com or 651 257 8715 Dragon A150 Manufacturing Differences The Bend Tech Dragon A150 is continuously being updated and refined Becau...

Страница 14: ...n have a solution ready before we even pick up the phone 1 If there is a problem with a specific part design or nesting project open the project before sending a Support Session then keep the project...

Страница 15: ...e Action Copes cuts not on same rotation Incorrect backlash Check set screws on X and Y axis perform backlash correction in Dragon software X axis chain and or drive gear set screws Check X chain tens...

Страница 16: ...d chains are tight and adjusted and Backlash Correction is performed in Bend Tech Dragon software will maintain cut rotation accuracy Tools Required 3mm Allen wrench 3 32 in Allen wrench 5 16 in Allen...

Страница 17: ...Use a 5 16 in Allen wrench to remove the Trolley cover 2 Using a 5 16 in Allen wrench remove the X Chain Cable Cover by removing the two screws 3 Using a 5 32 in Allen wrench on the large sprocket an...

Страница 18: ...e the Operator will be required to re tension the chain Using a in wrench loosen the Y motor mount bolts on the bottom of the Trolley just enough to slide the motor and mount to the outside tensioning...

Страница 19: ...ench on the nut inside the Rail and using a second in wrench tighten the bolt one full turn Reinstall the X chain cable cover 8 Ensure tension is set correctly on the X chain and cable combination Loc...

Страница 20: ...rection throughout the job process eliminates any backlash that can occur in the chain drive system since the machine is always keeping tension in the system 1 In Bend Tech Dragon software under Creat...

Страница 21: ...ate material chosen in the Material List click the Advanced icon in the menu bar at the top of the interface 2 Default Polyline Resolution settings will read as follows Max Length 0 1 Max Angle 5 Max...

Страница 22: ...ieving more accurate cuts 1 Ensure Torch is centered on the material 2 Move the A axis left or right 050 in 3 Run a test cut from this new start position and assess cut rotation If the cuts are more a...

Страница 23: ...Jagged Cuts Toolhead trolley out of adjustment Adjust the Toolhead trolley so the Toolhead rides smoothly along the rail with no play A axis mount bearings out of spec Check Toolhead play on A axis m...

Страница 24: ...ll be resting on the Engraver tensioning spring mount at the top of the Toolhead Place a in wrench on the nut on the backside of the Engraver tensioning spring Holding the nut secure with the in wrenc...

Страница 25: ...Reassemble the Toolhead by reversing the order of disassembly Toolhead Rail Leveling The Toolhead Rail For most accurate cutting the Operator should ensure the Toolhead rail is level Leveling the Tool...

Страница 26: ...pically the Operator can adjust the bearings to bring them back into spec This can be achieved in one of two ways Method 1 After removing the Toolhead loosen the bearing stanchions and insert a small...

Страница 27: ...s drive chain Slide the gear off the shaft 3 Clean the A axis drive motor shaft and the A axis drive gear with Loctite Cleaner Degreaser or similar cleaner such as acetone 4 Apply Loctite 609 Retainin...

Страница 28: ...28 Bend Tech Dragon A150 Troubleshooting Guide Toolhead 03...

Страница 29: ...herm unit Customers who choose to use a plasma machine other than Hypertherm will not receive the same level of technical support Please refer to the Bend Tech Dragon A150 Plasma Cutting Guide for mai...

Страница 30: ...Torch lead clear of the Ethernet cable The Torch lead can cause connectivity issues if routed close to the Ethernet cable Some models of the Dragon A150 are equipped with cable loops pre installed for...

Страница 31: ...Tech can provide a mounting tab for the Torch ground cable or the Operator can fabricate a ground cable mount using 3 16 in steel 4 Place the mounting tab over the pillow block bearing mounting hole...

Страница 32: ...ssible the Torch relay can fail In the case of a failed Torch relay the Torch will fail to ignite If the Torch is not functioning it will be necessary for the Operator to check the Torch relay inside...

Страница 33: ...e Torch 04 6 With the Torch wires secure in the relay reassemble the Control Box Reattach the Control Box cover plate If the Torch still does not fire it is possible the relay has failed Contact a Ben...

Страница 34: ...34 Bend Tech Dragon A150 Troubleshooting Guide Torch 04...

Страница 35: ...broken Symptom Cause Corrective Action Engraver air cylinder not extending all the way Air pressure too low Increase air pressure to air cylinder Too much friction in actuation cylinder Lubricate the...

Страница 36: ...36 Bend Tech Dragon A150 Troubleshooting Guide Engraver 05...

Страница 37: ...f in order to fit in the Marker holder Bend Tech recommends wrapping a piece of duct tape or similar tape around the marker to help hold it in the Marker holder Ensure the Marker holder is clean Keep...

Страница 38: ...38 Bend Tech Dragon A150 Troubleshooting Guide Marker 06...

Страница 39: ...the Laser wire to come loose from its connection to the 4 Relay Module To check the Laser connection access the Control Box as outlined in the Control Box section In the 4 Relay Module in the D2 Modu...

Страница 40: ...screw that secures the Laser to the Torch mounting collar Depending on the age of the machine this may require a 3 32 in Allen wrench or 5 16 in wrench 2 Remove the Laser remove the Laser cord from t...

Страница 41: ...y loosening the thumb screws and turning the outer ring by hand The inner rollers are adjustable to fit the diameter of the given material loaded into the machine Ensuring the inner rollers are adjust...

Страница 42: ...f its proximity to the Torch the Gate is subject to a high level of slag debris and plasma cutting dust and fumes It is important to keep the Gate clean to ensure it is operating as designed Clean the...

Страница 43: ...socket and ratchet to remove the nut from the mounting bolt Repeat for the second bolt 4 Use a 3 16 in Allen wrench to remove the Allen head cap screws at the top of the Gate assembly On some Gate des...

Страница 44: ...44 Bend Tech Dragon A150 Troubleshooting Guide Gate 08...

Страница 45: ...properly the Trolley should move along the Rail smoothly with no play or bind anywhere along its travel If there is play in the Trolley the Operator will be required to adjust the Trolley assembly Tr...

Страница 46: ...y s roller system 3 With one hand push up on the lower half of the Trolley roller system Using the other hand tighten the four socket cap screws while holding steady upward pressure on the lower half...

Страница 47: ...it or X Home when calibrating the machine The Operator can test the X limit switch by depressing it manually if the limit lights up in Mach3 Diagnostics the X limit switch is operating properly Replac...

Страница 48: ...48 Bend Tech Dragon A150 Troubleshooting Guide Trolley 09...

Страница 49: ...g Chuck Jaws The Chuck jaws can be removed without removing the Chuck from the shaft 1 Use the Chuck key to open the Chuck jaws as far as possible When the Chuck jaws stop moving the Operator should b...

Страница 50: ...g the location of each jaw so it can be reinstalled in its original location 3 Clean the Chuck with brake cleaner spraying the inner mechanism as much as possible If the Operator has access to a parts...

Страница 51: ...atter Cause X chain drive gear Install revised X chain drive gear check X drive chain tension ensure anti chatter kit is installed Y motor not holding torque Y drive chain tension too tight Adjust Y c...

Страница 52: ...he Trolley cover 2 Using a 5 16 in Allen wrench remove the X Chain Cable Cover by removing the two screws 3 Using a 5 32 in Allen wrench on the large sprocket and 3 32 in Allen wrench on the small spr...

Страница 53: ...y by first tightening the nut and bolt combination by hand Hold the nut inside the rail with one hand while turning the bolt head with the other With the bolt and nut combination finger tight place a...

Страница 54: ...t will be necessary for the Operator to bring the Chuck back into alignment Aligning the Chuck 1 Jog the Chuck to front of machine approximately 1 ft behind the Gate 2 Using a 5 16 in Allen wrench rem...

Страница 55: ...ad in through the bottom of the Trolley plate Ensure the material remains in the centered position 11 Using two in wrenches tighten Pillow block mounting bolts then tighten another turn 12 Pull the Y...

Страница 56: ...56 Bend Tech Dragon A150 Troubleshooting Guide X and Y Axis Maintenance 11...

Страница 57: ...and Gate and assists in preventing potential Torch collision The Center Support Lift is operated via compressed air It uses a mechanical push pull switch to engage and disengage from the material Sym...

Страница 58: ...pport Lift on the material the Operator is required to pull the switch out manually As the Trolley moves forward along the Rail during its job process it will contact the switch depressing the switch...

Страница 59: ...rator will be required to remove the Cover Plate to access the Control Box Accessing The Control Box Using a in deep well socket or wrench remove the four nuts that secure the Control Box Cover Plate...

Страница 60: ...e and resolve problems associated with the unit Reading the LED lights and knowing the meaning of them as well as being able to identify other issues associated with the unit are key to initiating suc...

Страница 61: ...tion If the motors on the machine are not operating properly Bend Tech recommends adjusting the screws to the 8 o clock position Tools Required 3 8 in wrench Phillips screwdriver small 1 Power off the...

Страница 62: ...the aluminum plate holding the orange wiring connectors Ensure no wires come loose from their respective connectors 3 Remove the four Phillips head screws at each corner of the Gecko drive Hold the nu...

Страница 63: ...tware and sends it to the Dragon A150 machine to perform its CNC operations Knowing the functions of the ESS board and Operator Control Panel can assist the Operator in diagnosing issues that may aris...

Страница 64: ...mmunication N A Green Right Two quick blinks Waiting for communication with Mach3 This could be a normal delay in communication or it could be an issue with connectivity One second on one second off B...

Страница 65: ...board The Ribbon Cable serves as the output from the ESS to the Gecko Drive If it is not making a complete connection it can cause the machine to operate sporadically or fail to operate ESS Failure T...

Страница 66: ...s are running on the computer Right click on the Task Bar at the bottom of the screen click Task Manager click More Details at the bottom of the Task Manager window Scroll through the Task Manager to...

Страница 67: ...d so when a switch is triggered it breaks the loop Symptom Cause Corrective Action A limit switch broken The machine lost power and the Toolhead crashed against the A axis limit switch Replace the A l...

Страница 68: ...of that switch to shorten the loop Refer to the diagram for reference The Operator can also use a multimeter to test each loop for continuity If a particular loop shows no continuity it is likely the...

Страница 69: ...it in yellow in Mach3 X and A Axis Limit Switch Failure The X and A axes on the Dragon A150 use micro switch style limit switches The limit switches are triggered when the Toolhead assembly makes phys...

Страница 70: ...olhead will be resting on the Engraver tensioning spring mount at the top of the Toolhead Place a in wrench on the nut on the backside of the Engraver tensioning spring Holding the nut secure with the...

Страница 71: ...il When the switch contacts the head of the button head cap screw it signals the X limit or X Home when calibrating the machine 1 Remove the outer plastic cover from the X axis limit switch 2 Note the...

Страница 72: ...72 Bend Tech Dragon A150 Troubleshooting Guide Limit Switch Operation 15...

Страница 73: ...e Ethernet port on the computer needs to be configured for use Typically the software will display a wakeup error message that reads The ESS did not respond to the wakeup message If this is a new prof...

Страница 74: ...l also read If you unplugged the USB cable while Mach was still running then that is likely the cause Symptom Cause Corrective Action Mach3 Lost Communications Bad Ethernet Cable Replace Ethernet cabl...

Страница 75: ...If power is good it is likely a bad ESS board Symptom Cause Corrective Action Homing switch active in Mach Homing switch triggered homing switch failed Check homing switches re route homing switch wi...

Страница 76: ...re E stops are active Machine not plugged in not getting power Ensure machine is plugged in and has power Axis resting on a homing switch Ensure no homing switches are triggered Breakout Board has los...

Страница 77: ......

Страница 78: ...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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