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This intersection of the curved tube and the front box took by itself 2 days (probably 15 hrs) to complete. My eventual method was just hand grinding the entire thing.
I've been liking these 3M Bristle discs. 50, 80, 120 grit. Good for flat surface conditioning, removing mill scale etc. Jody Collier at Welding Tips and Tricks turned me onto these.
©2009 Marco Acuzar, All Rights Reserved
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TWI is at the forefront of solid phase friction welding and processing technology. Active and innovative in welding research and development since the 1960s, we are responsive to industry needs and provide consultancy services to all industry sectors.
Support for industry includes: advice on component design, process selection & quality issues, troubleshooting, feasibility & pre-production trials, application & prototype equipment development.
TWI has been responsible for many key innovations and developments in solid phase joining; Friction stir welding was invented at TWI and was rapidly applied by industry; Linear friction welding was developed into a mature joining process for turbine blades.
For more information www.twi.co.uk/technologies/welding-coating-and-material-p...
If you wish to use this image each use should be accompanied by the credit line and notice, "Courtesy of TWI Ltd".
Welding and joining technologies are fundamental to engineering and manufacturing. Without the ability to make strong and durable connections between materials it would be impossible to produce the many different items we all rely on in our everyday lives – from the very large (buildings, pipelines, trains and bridges) to the very small (medical implants and electronic devices).
TWI has its roots in welding and joining technology and over many years has been responsible for developing and encouraging the adoption of new techniques and best practice in all industry sectors, providing its Members with the right manufacturing choices first time.
For more information www.twi.co.uk/technologies/welding-coating-and-material-p...
If you wish to use this image each use should be accompanied by the credit line and notice, "Courtesy of TWI Ltd".
Participant working on a welding assignment at Jane Addams Resource Corporation, an employment and training provider that offers skills training and support services to help lower-income and unemployed workers achieve self-sufficiency, in Baltimore, MD, on March 5, 2020. While there, JARC Executive Vice President Regan Brewer-Johnson will lead the U.S. Department of Agriculture (USDA) Secretary Sonny Perdue on a tour of Computer Numerical Control (CNC) and welding training stations. Then, Secretary Perdue will participate in a roundtable discussion that includes USDA Food and Nutrition Service (FNS) Mid-Atlantic Regional Office Supplemental Nutrition Assistance Program (SNAP) Employment & Training Analyst Derrick Dolphin, JARC Executive Vice President Regan Brewer-Johnson, Site Director Elaine Carroll, MD Dept. of Human Services (MDDHS) Executive Director Netsant Kibret, MDDHS Office of Family Investment Administration Daiquiri Anderson; former participants Aja Robins, Micahel Spencer, and Grace Lawanga; current participants Demitri Gibson EL; Frank Birster and Cashante Benton; employer Strum Contracting Owner James Strum and COO Teresa Strum; Maritime Applied Physics President Mark Rice; and USDA FNS Regional SNAP Director Eric Ratchford
JARC provides training in the manufacturing and construction sectors, specifically welding and Computer Numerical Control (CNC) machining. Trainees learn how to write code to operate the CNC machine to precisely cut metal parts. Trainees work on projects to develop skills and a CNC certification. Through this JARC works to address the dual challenges of pervasive poverty and industry skills shortages.
For more information, please see fns.usda.gov/news-item/usda-017320 and usda.gov
USDA Photo By Lance Cheung.