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A framework for hybrid manufacturing cost minimization and preform design

Journal Article · · CIRP Annals
 [1];  [2];  [3];  [3];  [3]
  1. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
  3. Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Here, this paper describes preform design optimization in hybrid additive-subtractive manufacturing. In hybrid manufacturing, the question of what form and what geometry the additive preform should take has largely been a matter of intuition and experience, or trial and error. The choice of a more optimal preform depends on the target parameters, such as stiffness, cost, or lead time. We demonstrate a framework for preform optimization using static stiffness, and then the combined cost of additive and subtractive manufacturing, while respecting stable cutting conditions for the tool-part combination. The procedure is illustrated by comparing three preform geometries for a thin wall.
Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOD; USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1975333
Alternate ID(s):
OSTI ID: 1989421
Journal Information:
CIRP Annals, Journal Name: CIRP Annals Journal Issue: 2023 Vol. 1; ISSN 0007-8506
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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