Page 51 - Plastics News June 2023

New Tool Steel Qualified for Additive Manufactured Molds and Dies
Jason Murphy, owner and CEO Next
Chapter Manufacturing, said in a re-
lease that the new HTC-45 will en-
able his company to push the limits of
additive manufactured molds and dies
by providing longer wear and tool
life through better thermal transfer,
which also leads to faster cycle times.
Murphy told Plastics Technology that
n qualifi materia beha
like copper beryllium in terms of ther-
mal transfer but is still a steel.
Daido Steel developed DAP-AM HTC
40 and DAP-AM HTC 45 by optimiz-
ing the chemical composition of H13.
International Mold Steel is the distrib-
utor of DAP-AM HTC powders. Next
Chapter notes that H13 powder can
ext Chapter Manufacturing has conductivity to twice that of marag- difficu to bu withou cracking,
Nsuccessfu qualifi HTC-45 ing steel. The company announced since the low thermal conductivity
a new tool steel available for additive- the new offering and brought a sam- of maraging powder leads to higher
ly manufactured molds and dies, of- ple printed component to the recent thermal stress, cracking from water
fering a material that it says eliminates PTXPO (March 28-30; Donald E. cooling channels and heat checking
the cracking that can be common with Stephens Convention Center; Rose- can occur on the design surface.
H-13 while also increasing thermal mont, Ill.).

June 2023 PLASTICS NEWS 51