Beamit Group has developed an additive manufacturing (AM) process for
Ti6242, which yields a titanium-alloy product that reportedly withstands
temperatures to 550 C and enables printing of complex shapes.
The motorsport sector has been looking at 3D-printed titanium alloys for
high-temperature applications since 2019, according to Beamit
officials, to replace production via conventional processes such as
forging. Motorsport applications can benefit from the strength and
lightweighting capabilities of AM Ti6242, such as exhausts,
traditionally produced with nickel superalloys. Ti6242 also proves ideal
for aerospace components.
3D printing builds to near net or finished dimensions, vacuum heat
treating is an absolute necessity. Vacuum levels that approach 1 X 10-6
Torr produce clean and oxide free surface conditions that are
metallurgically stable. Critical temperature control is also a must to
avoid cracking and producing a strong and ductile part.
and EOS have expanded their range of applications for metal 3D
printing, as noted in this 2.5-min. video. Currently the automaker uses
machines from EOS to print 12 segments of four tools used for hot
forming and has plans to further expand into more segments. Audi also
prints tooling in its press shop to make body panels for the A4.
In addition to applications for hot forming and high-pressure
die-casting, the Audi Metal 3D Printing center in Germany also has
printed custom tools as large as 5 by 3 m.
“Whenever conventional manufacturing methods reach their limit,” says Matthias Herker, technical project manager at the Audi Metal 3D Printing Centre, “we use additive manufacturing―which lets us meet quality standards and comply with production times.”
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The latest U.S. Manufacturing Technology Orders report, published by AMT–The Association For Manufacturing Technology, reveals that orders totaled $377.6 million in February 2021, a 17.8-percent increase from January 2021 and a 34.2-percent increase over February 2020. Orders for the first two months of 2021 are up 22.4 percent year over year.
“February was the fourth-straight month of year-over-year gains in manufacturing technology orders, signaling the recent strength is likely the beginning of a sustained recovery following the 2020 recession,” says AMT president Douglas K. Woods.