September 3, 2020
The US Air Force has awarded Optomec a $1 million contract to deliver a high-volume production machine for refurbishing turbine engine components, including titanium parts. The equipment will include a range of capabilities, including an automation system for batch processing, an oxygen-free controlled atmosphere and an adaptive vision system.
This automated additive repair system will be capable of processing tens of thousands of repairs per year, with an initial focus on tip refurbishment for turbine blades. Optomec will also assist the US Air Force in developing optimal process parameters for a range of target repairs. The solution will be installed at Tinker Air Force Base, in Oklahoma City, OK, which already hosts a comprehensive aircraft engine overhaul capability.
“Optomec is proud to be serving our military. We have been processing titanium for years, but not in high-volume, oxygen-free production cells, although Optomec has developed automated, high-volume production cells for other alloys.”
The US Air Force spends billions of dollars annually servicing the engines of its military aircraft, an activity referred to as MRO (Maintenance, Repair and Overhaul). More broadly, there is a $50 Billion a year global market for Aircraft Engine MRO across all commercial and military aviation combined. A large part of the expenditure is tied to the replacement of worn or damaged components with newly made parts.
In contrast, Optomec’s Metal Additive Repair solutions enable restoration of the existing parts, with a demonstrated cost savings. In addition, the Air Force will benefit from shortened, more predictable lead times and reduced supply chain dependencies, according to Optomec.
Optomec’s metal additive repair solution is based on its LENS technology, which uses the Directed Energy Deposition (DED) process in which a highly concentrated stream of metal powder is jetted into a molten pool created by the focus of a laser beam. By precisely controlling the melt pool and the powder flow, a metal structure is built up, either in the form of a fully printed part or as a local deposit onto an existing component to repair it.
Optomec has delivered more than 200 LENS/DED machines, with nearly 100 being used in production to repair turbine blades in the commercial aviation and power generation markets.
“Optomec is proud to be serving our military. We have been processing titanium for years, but not in high-volume, oxygen-free production cells, although Optomec has developed automated, high-volume production cells for other alloys,” says Jamie Hanson, VP Business Development at Optomec.
“The challenge given to us by the Air Force was to provide a system based on commercially proven capabilities that meet their production and technical requirements,” he adds. “We will be providing a first-of-a-kind machine with automation that enables virtually uninterrupted production in an oxygen-free environment. We would like to thank the Air Force Rapid Sustainment Office and AFWERX for the opportunity and the streamlined process that enabled this contract.”
AFRL and AFWERX have partnered to streamline the Small Business Innovation Research process in an attempt to speed up the experience, broaden the pool of potential applicants and decrease bureaucratic overhead.
Sources: Press materials received from the company and additional information gleaned from the company’s website.
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