Here is your most recent issue of High Current News. It's packed full of information to keep you updated with the latest MIG & TIG news, product information and updates from D/F MACHINE SPECIALTIES.

D/F MACHINE SPECIALTIES, family owned and operated since 1966, is a world leader in the design, development, and manufacture of American made MIG (GMAW) & TIG (GTAW) welding products, consumables and accessories for robotic and welding automation equipment.

NEW D/F Product Catalog

D/F CatalogD/F has released a brand new color product catalog! Featuring the most popular D/F MIG & TIG welding equipment, accessories and consumables, the catalog will cater to your informational and ordering needs.

You can request your own free copy of the catalog in two ways:

1. Email D/F at with your name, and your company's name and address of where you would like the catalog to be sent.

2. Fill out the reservation form located here .

DownloadClick to download the catalog in digital form as a PDF.

The Benefits of Hardfacing

What is Hardfacing?
Hardfaced Pipe to Protect Against AbrasionHardfacing involves the process of layering on a tougher, stronger metal across the face of a base metal for the purpose of reconditioning a surface that undergoes much normal wear and tear demanded by the job that it is used within. Examples of these base metals might include the faces of shovel buckets, crusher plates and teeth, pipes, and extruder screws. Hardfacing is often applied to new products at the time of production to increase the life of the face from the beginning.

What Types of Demands will Hardfacing Satisfy?
Hardfacing can be used to protect agains any number of physical demands such as metal to metal wear, thermal loads, fricional and grinding wear, impact, corrosion, scaling, and many others. In some cases, more than one of these types of demands may occur simultaneously, so the weld metal must posses the respective properties. Hence, a conscientious selection of the proper weld metal will be a must. Of course, there doesn't exist a weld metal possessing all these properties in full measure. Nevertheless, in most cases it will be possible to find a satisfactory compromise in practice.

What is the Overall Benefit of Employing Hardbanding?
The initial cost and time needed to apply hardfacing to a pipe, tool, or other machine part is small compared to the time and money saved in the long run. Hardfacing will help prevent the general wear and tear associated with the work done by these tools and machines, making them last much longer, and allowing them to do much more work. Time and money are saved as the need for replacement parts and tools is kept to a minimum.

For hardfacing applications, D/F recommends the MIG Water-Cooled-to-the-Tip Machine Barrels. These versitile torches will handle any hardfacing application. View these torches on the web site:
D/F Direct Mount (Automatic) Water-Cooled-to-the-Tip MIG Machine Barrels
D/F Remote Mount (Robotic) Water-Cooled-to-the-Tip MIG Machine Barrels

If you have any questions about hardfacing, please do not hesitate to contact the factory.

32x32 logoPhone: (507) 625-6200 · Email:

We look forward to helping you with your welding applications!

NEW Video: D/F Air-Cooled MAC-5 Barrel on BUG-O CWE-5

D/F Air-Cooled MAC-5 Barrel on BUG-O CWE-5

Check out the D/F Machine Specialties Model MAC-5 Part Number 17811 Air-Cooled Barrel welding 3/64" Aluminum on the BUG-O Systems CWE-5. This is an aluminum package that was put together by Airgas process specialists. The CW-5 Circle Welder with Remote Control is designed for single or multi-pass welding of couplings or nozzles on pipe and vessels utilizing MIG or Flux Core process, with gas shield. The machine is equipped with its own wire feeder, rotation drive motor, rise and fall cam assembly and welding gun. Horizontal and vertical racking to position the torch and a 30 lb (14 kg) spool holder. OTC Daihen is providing the DP400 power source and CMRE-741 4-roll wire feeder.

Frequently Asked Questions

D/F has now added a Frequently Asked Questions page to the website! This page will be continually updated with information about Torch Maintenance, Welding Practice & Setup, Warranty & Refurbish, Troubleshooting, and more in hopes of fulfilling the needs of anyone who might have a common question about D/F's equipment or welding in general. Please visit the FAQ page.

Do You Have Photos of Projects? Submit Them to WIN!

D/F's new Photo Gallery showcases D/F equipment in action over the years, and we are constantly adding to the gallery. We want to see how our equipment helps brings out the best of your creativity and skill, or simply how your equipment is setup and used.

D/F Gallery

Submit your photos and projects to:

For project submissions, things to include:

  • Photos of your project
  • What did you make?
  • How did you make it?
  • Which D/F products did you use?

Project submissions will be put in a drawing for a chance to Win A Gift Card to your local Best Buy Consumer Electronics Store.

Check out the D/F Photo Gallery here .

Quick-Click Buttons

The following are buttons that link you directly to the D/F website. Just click on the icon below for the desired item.

Contact Tips  Contact Tips
casing_conduit_button  Casings/
Gas Nozzles Gas Nozzles  
Feeder Adapters  Wire Feeder
liner_button Liners  
Utility Stations  Utility
Mounting Brackets  Mounting
Mounting Arms  Mounting
Nozzle Thread Chaser Taps  Noz. Thread
 Chaser Taps
Frequently Asked Questions  FAQ
Contact Tip Wrenches  Contact Tip

Words from the Editor

Greetings from D/F!
Thank you for reading our High Current News e-newsletter. Please share this issue with a friend and send us your comments.

Best Regards,
Dave Judd, Editor
D/F Machine Specialties, Inc.

D/F Machine Specialties

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In This Issue

• NEW D/F Product Catalog
• Benefits of Hardfacing
• NEW Product Video - BUG-O,
   OTC, D/F, Welding 3/64" AL

• Frequently Asked Questions

• Got Projects? Submit to WIN!

• New Products
• Nozzle Thread Chaser Taps

New Products - Automatic Curved Machine Torches

W/C Curved MIG Torches
The versatile D/F curved quick-change Water-Cooled Automatic 500 amp Torch Models NCC/LRN and  HTC/LRN can be used for a wide range of automatic applications. With the various angles (22° through 90°) and lengths available, a selection may be made to suit individual requirements. The composite modular design of the rugged, yet versatile quick-disconnect Model LRN (Long Reach  Nozzle) torches allow the user to quickly change the goose-neck or cable assembly while maintaining tool center point, assuring accurate repeatability and continuous precision welding.

Read More

Nozzle Thread Chaser Taps

Nozzle Thread Chaser Tap
The New D/F Nozzle Thread Chaser Taps are designed to chase and tap nozzle threads to clean and repair them for better conductivity and contact.
• Chasing will clear debris,
   metal filings and spatter
• Re-tapping will straighten and
   clean damaged threads
• Tap sizes available for all D/F
   Nozzle Assemblies

Read More

Your Downloads

Did you know you can download all of D/F's Catalogs, Instruction Manuals and CAD Files at D/F's Online Download Center?
Visit the Download Center online ad D/F's web site for more information.

Contact D/F

Product Info: 1-507-625-6200
Fax: 1-507-625-6203
Online: Contact D/F

D/F Machine Specialties, Inc.
1750 Howard Drive
North Mankato, MN 56003

Semi-Automatic MIG

Automatic MIG

Robotic MIG

Automatic TIG

Robotic TIG



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© logo D/F Machine Specialties, Inc.
1750 Howard Drive
North Mankato, MN 56003
Phone: (507) 625-6200
Fax: (507) 625-6203

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D/F Machine Specialties
1750 Howard Dr.
North Mankato, Minnesota 56003

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