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This profile was last updated on 12/5/13  and contains information from public web pages.

Training Course Lecturers and Con...

Phone: (513) ***-****  HQ Phone
Rockwell Laser Industries Inc
7754 Camargo Road
Cincinnati, Ohio 45243
United States

Company Description: Rockwell Laser Industries (RLI) is a worldwide provider of laser education and training, laser consulting services and laser safety products to industrial, medical...   more
Background

Employment History

  • Professional Engineer
    Ontario , Canada

Board Memberships and Affiliations

Web References
Laser Safety Training Course Lecturers and Consutants at Rockwell Laser Industries
www.rli.com, 5 Dec 2013 [cached]
Randy Paura, P. Eng., CLSO, Consultant-Laser Materials Processing
Randy has been a Professional Engineer of Ontario, Canada since 1991. His engineering skills include practical applications of innovative solutions and providing mission critical team leadership for project execution, on time, within budget and exceeding performance objectives.
He has over 30 year of experience in applications engineering, materials processing and special purpose machine design and build for industrial automation. His expertise in this field has grown into macro-laser materials processing and safety consulting.
He is currently serving as Vice-Chair on the ANSI Z136.9 "Safe Use of Lasers in Manufacturing Environments" and is a member of the American Welding Society, Subcommittee on Laser Welding (AWS C7C).
Randy graduated with First Class Honours in May 1989, University of Waterloo, B.A.Sc. in Civil Engineering with a minor in Management Science. He is also a lifetime member of the Laser Institute of America (LIA) and a former member of the Board of Directors for the LIA.
RUMBLE AUTOMATION INC.
www.rumble.com, 19 Oct 2001 [cached]
Randy Paurarp@rumble.com
Laser trailblazers: with an order from General Motors for 540,000 frames for its SUV series, Budd Canada, with Rumble Automation, developed a way to laser cut holes into the fully hydroformed frame--a first in the industry
www.worldlasers.com, 1 Nov 2002 [cached]
Two of those key players, Dennis Nadeau, Rumble's sales manager, and Randy Paura, the company's laser division manager, saw the project through from conception to production.
...
Paura explains some of the challenges the project presented.
* The lubricant used in the hydroforming process affected the cutting process.
"The fluid partially vaporizes or atomizes from the focused laser beam and does create contamination problems for the optics arrangement," notes Paura. "There is a 'cover slide' or protective lens on the laser that is a consumable, and as such, it does see greater wear than in other operations where hydroform lubrication is not present.
"This problem was minimized by optimizing the cutting parameters (pierce process, laser power, assist gas pressure, cut speed and focal position), Paura explained.
* The focal position of the laser beam relative to the part was one of the most crucial aspects of the project. "Initial factory settings were not the 'most correct' for this project," Paura explains diplomatically.
"Rumble invested in diagnostic equipment that allowed us to precisely measure and calibrate the laser equipment for the appropriate focal position with respect to the part surface. Once the optimal focal position was accomplished, we were able to increase cut speed, cut quality and more importantly, provide process tolerance," he said.
Laser trailblazers: with an order from General Motors for 540,000 frames for its SUV series, Budd Canada, with Rumble Automation, developed a way to laser cut holes into the fully hydroformed frame--a first in the industry
www.etfadvisors.com, 1 Nov 2002 [cached]
Two of those key players, Dennis Nadeau, Rumble's sales manager, and Randy Paura, the company's laser division manager, saw the project through from conception to production.
...
Paura explains some of the challenges the project presented.
* The lubricant used in the hydroforming process affected the cutting process.
"The fluid partially vaporizes or atomizes from the focused laser beam and does create contamination problems for the optics arrangement," notes Paura."There is a 'cover slide' or protective lens on the laser that is a consumable, and as such, it does see greater wear than in other operations where hydroform lubrication is not present.
"This problem was minimized by optimizing the cutting parameters (pierce process, laser power, assist gas pressure, cut speed and focal position), Paura explained.
* The focal position of the laser beam relative to the part was one of the most crucial aspects of the project."Initial factory settings were not the 'most correct' for this project," Paura explains diplomatically.
"Rumble invested in diagnostic equipment that allowed us to precisely measure and calibrate the laser equipment for the appropriate focal position with respect to the part surface.Once the optimal focal position was accomplished, we were able to increase cut speed, cut quality and more importantly, provide process tolerance," he said.
* Fume extraction for laser material processing is opening a new realm for the filtration companies.
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