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|author=Glenn Rifkin |date=June 18, 1992}}</ref> the latter subsequently acquired Computervision, which had been acquired by ].<ref name=CADcamPTC.NYT92/> |author=Glenn Rifkin |date=June 18, 1992}}</ref> the latter subsequently acquired Computervision, which had been acquired by ].<ref name=CADcamPTC.NYT92/>


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|title=Catalog of Copyright Entries, Third Series: 1969: January - June |title=Catalog of Copyright Entries, Third Series: 1969: January - June
|quote=IBM System/360 Model 44 ... AD APT numerical control processor |year=1972}}</ref><ref>{{cite web |quote=IBM System/360 Model 44 ... AD APT numerical control processor |year=1972}}</ref><ref>{{cite web
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and subsequently be used to directly build a prototype.<ref>{{cite web and subsequently be used to directly build a prototype.<ref>{{cite web
|url=https://www.researchgate.net/publication/220306623 |url=https://www.researchgate.net/publication/220306623
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{{main|Computer-aided manufacturing}} {{main|Computer-aided manufacturing}}
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In ''Computer-aided manufacturing (CAM)'', using computerized specifications, a computer directs machines such as lathes and milling machines to perform work that otherwise would be controlled by a lathe or milling machine operator. This process, which is called ] (NC OR CNC), is what came to be known as 20th century Computer-aided manufacturing (CAM), and it originated in the 1960s.{{cn}} Early 21st century ''CAM'' introduced use of '']''.<ref>{{cite book In ''Computer-aided manufacturing (CAM)'', using computerized specifications, a computer directs machines such as lathes and milling machines to perform work that otherwise would be controlled by a lathe or milling machine operator. This process, which is called ] (NC OR CNC), is what came to be known as 20th century Computer-aided manufacturing (CAM), and it originated in the 1960s.{{cn|date=August 2022}} Early 21st century ''CAM'' introduced use of '']''.<ref>{{cite book
|url=https://www.sciencedirect.com/science/article/pii/S2351978919302124 |url=https://www.sciencedirect.com/science/article/pii/S2351978919302124
|title=CAD CAM System for Manufacturing Innovative Hybrid Design |title=CAD CAM System for Manufacturing Innovative Hybrid Design

Revision as of 23:56, 18 August 2022

Computer-Aided Design/Computer-Aided Manufacturing

CAD/CAM refers to the integration of Computer-aided design (CAD) and Computer-aided manufacturing (CAM). Both of these require powerful computers. CAD software helps designers and draftsmen; CAM "reduces manpower costs" in the manufacturing process.

CAD workstation and operator

Overview

Both CAD and CAM are computer-intensive. Although, in 1981, Computervision was #1 and IBM was #2, IBM had a major advantage: its systems could accommodate "eight to 20" users at a time, whereas most competitors only had enough power to accommodate "four to six." CAD/CAM was described by The New York Times as a "computerized design and manufacturing process" that made its debut "when Computervision pioneered it in the 1970's."

Other 1980s major players in CAD/CAM included General Electric and Parametric Technology Corporation; the latter subsequently acquired Computervision, which had been acquired by Prime Computer.

CAD/CAM originated in the 1960s; an IBM 360/44 was used to build via CNC the wings of an airplane.

CAD (Computer-aided design) screen

Computer-aided design (CAD)

Main article: Computer-aided design

One goal of CAD is to allow quicker iterations in the design process; another is to enable smoothly transitioning to the CAM stage. Although manually created drawings historically facilitated "a designer's goal of displaying an idea," it did not result in a machine-readable result that could be modified and subsequently be used to directly build a prototype. It can also be used to "ensure that all the separate parts of a product will fit together as intended."

CAD, when linked with simulation, can also enable bypassing building a less than satisfactory test version, resulting in having "dispensed with the costly, time-consuming task of building a prototype."

Computer-aided manufacturing (CAM)

Main article: Computer-aided manufacturing
CAM in action, using computerized Numerical Control

In Computer-aided manufacturing (CAM), using computerized specifications, a computer directs machines such as lathes and milling machines to perform work that otherwise would be controlled by a lathe or milling machine operator. This process, which is called Numerical Control (NC OR CNC), is what came to be known as 20th century Computer-aided manufacturing (CAM), and it originated in the 1960s. Early 21st century CAM introduced use of 3D printers.

CAM, although it requires initial expenditures for equipment, covers this outlay with reduced labor cost and speedy transition from CAD to finished product, especially when the result is both timely and "ensuring one-time machining success rate."

See also

References

  1. ^ Eric N. Berg (March 24, 1985). "CAD/CAM's Pioneer Bets It All". The New York Times.
  2. ^ Barnaby J. Feder (January 18, 1981). "Bolts and Brackets by (Computer) Design". The New York Times.
  3. ^ Robert Metz (October 28, 1981). "A 'New' Face In CAD/CAM". The New York Times.
  4. "G.E.'s Expansion into CAD/CAM". The New York Times. January 18, 1981.
  5. ^ Glenn Rifkin (June 18, 1992). "Designing Tools For the Designers". The New York Times.
  6. Catalog of Copyright Entries, Third Series: 1969: January - June. Library of Congress. 1972. IBM System/360 Model 44 ... AD APT numerical control processor
  7. "360/44 for numerical control (NC)" (PDF).
  8. "Computer-aided design" (PDF).
  9. "What is Computer-Aided Design (CAD) and Why It's Important".
  10. "A Guide to CAD/CAM Software". Thomas Register.
  11. "CAD". Stanford University Student Journals.
  12. "Intelligent computer-aided design systems".
  13. T. Mikolajczyk (2019). CAD CAM System for Manufacturing Innovative Hybrid Design.
  14. "Siemens Digital Industries Software". Archived from the original on October 20, 2020.
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