Bend-Tech DRAGON A400 Manual
Plasma cutting
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Also See for DRAGON A400:
- Start-up and training manual (56 pages) ,
- Assembly manual (56 pages) ,
- Maintenance & troubleshooting (56 pages)
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Table of Contents
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Summary of Contents for Bend-Tech DRAGON A400
- Page 1 Part 1 of 1 A400 Plasma Cutting Guide Revision 3 | 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 Plasma Cutting Guide Revision 3 English Original Instructions July 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 Plasma Cutting Guide...
- 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 Plasma Cutting Guide...
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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 Bend-Tech 7X front of the machine. It consists of two sets of self-centering roller jaws. -
Page 9: Table Of Contents
Cut Quality Issues....26 Signs of a Bad Nozzle ... 14 Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 10: Contents
Torch Not Firing ....27 Torch Colliding with Material ..27 Plasma System Gas Supply .. 29 Plasma System Gas/Air Supply ..29 Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 11: Consumables
The Hypertherm unit comes with shielded consumables. Shielded consumables protect the nozzle and minimize any damage that can result from slag during the piercing process. Bend-Tech recommends using shielded consumables with the Dragon A400 whenever possible. -
Page 12: Consumables Parts List
The Operator can determine electrode life by measuring pit depth. Pit depth is the distance from the surface of the copper electrode piece to the halfnium located at the center of the electrode. When new, the halfnium will be flush with the surface of the nozzle, and will Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 13: Swirl Ring
Ensure the retaining cap is free of slag and not cracked, and that the threads are intact. Dirt can damage the retaining cap threads. Heat can damage the retaining cap. Make sure the threads are clean and intact. Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 14: Shield Cap
• Arc is misfiring or difficult to start Signs of a Bad Nozzle • Kerf too wide • Operator needs to slow the Torch down because the Torch is not cutting well at desired speed • Oblong holes Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 15: Maximizing Consumables
• Too much gas pressure can make it difficult for the Torch to fire. Also, too much gas pressure will cause rapid deterioration of the electrode. • It is important to keep the air supply for the plasma system clean and free of moisture and oil. Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 16: Torch Mounting
Kerf Width Kerf is the width of the material that is removed during the plasma cutting process. The Operator can adjust Kerf Width settings in Bend-Tech Dragon software in Tube Library > Machine > Basic Settings > Kerf Width. • Bend-Tech recommends setting Kerf Width at 0.06. However, for most accurate cutting, it is recommended that the Operator make a test cut and measure the Kerf Width and adjust the Kerf Width setting accordingly. -
Page 17: Torch Maintenance
Consumables Torch Maintenance • Bend-Tech recommends the Operator keep a log of Torch consumables. Record the lifespan of consumables as well as amperage, material thickness and type of material. A log will help the Operator keep track of consumables and optimize their lifespan. -
Page 18: Cut Charts
Low-speed dross Cutting speed too low - arc jumping ahead. Large droplets that are easier to remove than high-speed but not ideal Top spatter Cutting speed too fast Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 19: Cutting Charts
These settings may need to be adjusted based on Operator preference to optimize machine performance. The Dragon A400 is programmed with preset cut values. These values are a baseline that will get the Operator up and running. Cut settings can be adjusted in the Tube Library in the Machine, Lead In/Out and NRC interfaces. -
Page 20: 45 Amp: Mild Steel
(ipm) AMPs 0.0625 0.05 0.09 30-34 0.125 0.06 32-36 0.1875 0.07 0.11 35-40 0.25 0.08 0.12 0.25 42-45 0.375 0.08 0.12 Re-do the Torch Mount when changing between fine cut consumables and regular consumables. Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 21: 65 Amp: Mild Steel
Dwell Cutting Cutting Thickness Height Height Time Feed Rate (in.) (in.) (in.) (sec) (ipm) AMPs 0.0625 0.05 0.09 30-34 0.125 0.06 32-36 0.1875 0.07 0.11 42-45 0.25 0.08 0.12 0.25 55-60 0.375 0.08 0.12 Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 22: Amp: Mild Steel
Dwell Cutting Cutting Thickness Height Height Time Feed Rate (in.) (in.) (in.) (sec) (ipm) AMPs 0.0625 0.05 0.09 30-34 0.125 0.06 32-36 0.1875 0.07 0.11 42-45 0.25 0.08 0.12 0.25 55-60 0.375 0.08 0.12 Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 23: Additional Cutting Feed Rates For 65/85 Amp: Mild Steel
Feed Rate (in.) (in.) (in.) (sec) (ipm) AMPs 30-34 35-38 0.0625 0.05 0.09 38-45 45-55 32-36 36-40 0.125 0.06 40-45 45-50 42-45 0.1875 0.07 0.11 45-55 55-60 55-60 0.25 0.08 0.12 0.25 0.375 0.08 0.12 Bend-Tech Dragon A400 Plasma Cutting Guide... - Page 24 0.0625 0.06 0.09 40-45 45-50 50-55 40-45 45-50 0.125 0.07 50-55 55-60 60-65 45-50 50-55 0.1875 0.08 0.11 55-60 60-65 65-70 65-70 70-75 0.25 0.09 0.12 0.25 75-80 80-85 70-80 0.375 0.08 0.12 80-85 Bend-Tech Dragon A400 Plasma Cutting Guide...
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Page 25: Troubleshooting
Motor Drivers properly; Ensure Y motor skipping steps consistent power to machine. If Y motor is skipping steps, it is most likely Y acceleration or RPM is set too high. Adjust in Dragon software. Bend-Tech Dragon A400 Plasma Cutting Guide... -
Page 26: Cut Quality Issues
In some cases, on thicker material, round holes may appear oval. However, while the hole may appear oval on the OD of the material, the hole will be round on the ID of the material. This is part of the normal cutting process of the Dragon A400. Symptom... -
Page 27: Jagged Cuts
Torch Colliding with Library Library. Material Torch set improperly Perform Torch Mount procedure. Side Offsets calibration not Perform Side Offsets calibration for performed the given material. Gate out of position Perform Gate homing procedure. Bend-Tech Dragon A400 Plasma Cutting Guide... - Page 28 Troubleshooting Bend-Tech Dragon A400 Plasma Cutting Guide...
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Page 29: Plasma System Gas Supply
44 psi. Even if the compressor shows the specified numbers at the compressor outlet, a plasma unit at the end of that 100-foot run would only see 56 psi. To Bend-Tech Dragon A400 Plasma Cutting Guide... - Page 30 For high-volume cutting it is recommended that the user have a compressor that is 1.5-2 times the minimum system requirements. Optimum air supply setup for the Dragon A400 using a Hypertherm unit is a compressor that can maintain 180 psi and 12 cfm.
- Page 31 Plasma System Gas Supply Bend-Tech Dragon A400 Plasma Cutting Guide...
- Page 32 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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