Bend-Tech Dragon A400 Betriebsanleitung

A400

Part 1 of 2

Maintenance & Troubleshooting

Part 1: Dragon A400

ii Bend-Tech Dragon A400

Maintenance & Troubleshooting

Bend-Tech LLC strives to produce the 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 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.

iiiBend-Tech Dragon A400 Maintenance & Troubleshooting

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

[email protected]

iv Bend-Tech Dragon A400

Maintenance & Troubleshooting

Covering Bend-Tech Dragon

Bend-Tech, LLC provides a limited warranty on all new Dragon machines that are

manufactured directly or under license by Bend-Tech, LLC, and sold by Bend-Tech, LLC or its

approved distributors.

Warranty Coverage

Each Bend-Tech Dragon machine is warrantied by the manufacturer against defects in material

workmanship for 12-months. The warranty period commences the date the Dragon machine is

installed at the customer’s facility.

Repair or Replacement Only

The Manufacturer’s sole liability, and the Customer’s exclusive remedy under this warranty

shall be limited to repairing or replacing the defective part. Repair or replacement of parts

is at the sole discretion of the manufacturer. The Customer is responsible for warranty parts

installation. Bend-Tech does not provide warranty service labor.

Limits

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,





Software

Dragon software is covered by a 2-year maintenance plan from the purchase date of the

Dragon A400 machine. After the 2-year maintenance plan is expired, the Customer can

purchase a maintenance plan. A maintenance 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 critical to the servicing of the

machine. Bend-Tech, LLC will contact the Customer regarding updates to the maintenance

plan within 1-month of expiration. Contact Bend-Tech Support to ensure software is up to date:

[email protected]

Limited Warranty

vBend-Tech Dragon A400 Maintenance & Troubleshooting

Any questions or concerns regarding this manual can be directed to Bend-Tech, LLC

representatives via the Dragon website, www.bend-tech.com. Click Contact in the menu bar for

communication options and send your comments to the Dragon Customer Service department.

Online Resources

• https://www.youtube.com/user/bendtech2020

• http://www.bend-tech.com/wiki7

• http://www.bend-tech.com

• https://www.facebook.com/2020ssi

• https://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 A400. Bend-Tech, LLC places great pride in customer satisfaction and it

󰀨

our support is a key factor in your success.

You can contact Bend-Tech, LLC customer service at 651-257-8715. Our support hours are

Monday-Friday, 8:30-5:00 CST. E-mail Bend-Tech, LLC sales at: [email protected]. Our

mailing address is: Bend-Tech LLC, 729 Prospect Ave., Osceola, WI 54020, U.S.A..

Customer Satisfaction Commitment

vi Bend-Tech Dragon A400

Maintenance & Troubleshooting

This manual contains important statements that are called out from the regular text with an

associated signal word: “Danger,” “Warning,” “Caution,” or “Note.” Each of these signal words

is accompanied by its own icon. These signal words and icons indicate the severity of the

condition and the warning. The machine operator should familiarize themselves with these

warnings and read the statements before operating the machine.

Denitions & 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 indicates there is a possibility for minor injury if the instructions are not followed

correctly.

! Danger !

Exceeding the material weight limit of the Dragon A400 can result in serious injury

to the operator and/or bystanders.

! Warning !

Due to the extreme temperatures that result from the plasma cutting process, parts

cooled in water in the parts catcher can still be extremely hot. Always use caution

when handling newly-cut parts.

Warnings

Example

viiBend-Tech Dragon A400 Maintenance & Troubleshooting

Caution

Caution warns the operator that minor injury or machine damage could occur if instructions are

󰀨

being performed.

Note



! Caution !

󰀨

the Dragon A400.

Water Cooling system greatly reduces smoke and vapor emitted by the machine.

Bend-Tech recommends use of the Water Cooling system whenever possible.

Example

viii Bend-Tech Dragon A400

Maintenance & Troubleshooting

Glossary

A400

Indicates machine with 400-lb weight limit.

Axis



Bend-Tech 7X

Machine design software - CAD.

BOB

Breakout Board.

Material Support Lifter

The Material Support Lifter supports

material to reduce sag.

Chuck

Located on the Trolley, the Chuck holds the material

so it can be moved forward, backward and rotated.

Control Box

Connects Dragon Software Suite to the Dragon A400.

Coolant Tray

Cools cut parts as they are produced.

Drive Belt

The X Motor uses the Drive Belt to power the

Trolley along the Rail. The Drive Belt is mounted

stationary along the length of the machine.

Drive Belt Pulley

Located on the X Motor, it works in conjunction with

the Drive Belt to power the Trolley along the Rail.

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 the machine. It consists of two

sets of self-centering roller jaws.

Gate Lead Screw

Controls operation and adjustment of the Gate.

Interface

Any particular screen display generated

by Bend-Tech software.

Mach3

Machine driver software.

Parts Catcher

The parts catcher is placed at the front of the

machine to catch parts as they are cut.

Rail

The Rail is the main structure of the Dragon

A400. The Trolley rides on the Rail.

Tail

The Tail is located at the opposite end of the Head

of the machine. The Tail arrives pre-assembled. The

X Axis homing sensor, Drive Belt Adjustment Block

and E-Stop are located at the Tail of the machine.

Toolhead

Operates the Marker, Engraver and Torch.

Trolley

The Trolley rides on the Rail, and carries

the Chuck forward and backward along

the length of the Rail Support Beam.

ixBend-Tech Dragon A400 Maintenance & Troubleshooting

Contents

Limited Warranty .....................iv

Customer Service.................... v

Customer Satisfaction

Commitment............................. v

Warnings ..................................vi

Glossary ..................................viii

Contents...................................ix

Introduction............................. 13

Introduction ...................... 13

How To Send A Support Session ...... 13

Gate ......................................... 15

Gate Troubleshooting............... 15

Eccentric bearing on Gate sticking .. 15

Front Gate binding .............. 15

󰀨 .... 15

Loose front Gate................ 15

Gate Not Operating Smoothly. . . . . . 16

Play in Gate ................... 16

Gate Jaws not operating smoothly .. 16

Contents

Laser........................................ 17

Laser Troubleshooting .............. 17

Laser not lining up with end of tube . 17

Laser failure ................... 18

Torch & Cutting....................... 19

Diagnosing Cutting and Torch Issues... 19

Cope at both ends of the tube are

not the same rotation ............ 19

Cut quality issues ............... 20

Round holes are coming out oval ... 20

Machine cutting and then returning to

previous engraving .............. 20

󰀨

material....................... 20

Jagged Cuts ................... 20

Grounding The Torch ............... 21

Torch Not Firing ................ 21

Torch Colliding With Material ...... 21

Engraver.................................. 23

Engraver Guide ................... 23

Setting Engraver Air Pressure ..... 23

Engraver digging into material or

marking too light ................ 23

xBend-Tech Dragon A400

Maintenance & Troubleshooting

Contents

Engraver not turning on .......... 23

Engraver Bleeder Valve .......... 24

Material Support Lift............... 25

Material Support Lift Guide .......... 25

Material Support Lift Settings In

Bend-Tech 7x .................. 25

Change the Support Lifter Gap..... 25

Lifter colliding with Rail ........... 26

Lifter Not Homing ............... 26

Lifter pausing at wrong time ....... 26

Lifter too high, Trolley hitting Lifter

as it travels down the Rail......... 26

Lifter bottoming out on top of housing 26

Adjusting Lifter Trigger Pause. . . . . . 26

Material Support Lift Support Retraction

Settings....................... 26

Setting Material Support Lift Actuation

and Retraction Adjustment ........ 26

Disabling the Material Support Lift .. 27

X Axis Motor............................ 29

X Axis Motor Troubleshooting ........ 29

X Axis Won’t Jog................ 29

X Axis Motor or Trolley Binding While

Jogging At Full Speed............ 29

X Axis Motor Skipping Steps. . . . . . . 30

Setting Rail Distance ............... 30

Adjusting Trolley Eccentric Bearings ... 30

Drive Belt................................. 33

Drive Belt Troubleshooting........... 33

Belt running up on lip of Drive Belt

Pulley ........................ 33

Bonding the Drive Belt Pulley ........ 34

Replacing the Drive Belt. . . . . . . . . . . . . 35

Drive Belt Replacement Procedure . 35

Checking Drive Belt Tension ......... 36

Drive Belt Tensioning Procedure ...... 37

Adjusting Belt Tension ........... 38

Chuck ...................................... 39

Chuck Troubleshooting ............. 39

Chuck skipping steps ............ 39

Chuck not level in load position .... 39

Removing and Cleaning Chuck Jaws .. 40

Removing The Chuck............... 40

Cleaning The Chuck................ 40

Control Box............................. 41

Control Box ...................... 41

Replacing a Motor Driver ......... 41

Replacing the Control Box Power

Switch ........................ 42

Replacing the Smoothstepper ..... 42

Replacing Control Box Fuses ...... 43

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