NDLI: Automatic generation of NC-code for hole cutting with in-process metrology

Content Provider	IEEE Xplore Digital Library
Author	Kramer, T.R.
Copyright Year	1989
Description	Author affiliation: Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA (Kramer, T.R.)
Abstract	A novel method for milling flat-bottomed circular holes with more accurate diameters has been added to the data preparation software for the vertical workstation of an automated manufacturing research facility. Additional design functions, a new process planning function, and a new numerical control (NC) code-generating function have been added to the software to implement the method. The cutting algorithm uses a touch probe to measure the diameter of the semifinished hole during the cutting process. The radius used to finish cut the hole is then changed from its nominal value by an amount equal to the difference between the nominal and measured values of the radius of the semifinished hole. The new hole milling process corrects errors caused either by tool deflection or by using a tool whose actual radius differs from its nominal radius. With this process, errors in the diameter of a hole cut with an end mill have been reduced from roughly five mils (plus tool diameter error) to about one mil (regardless of tool diameter error), as compared with a process that does not measure during cutting.
Starting Page	45
Ending Page	52
File Size	825500
Page Count	8
File Format	PDF
DOI	10.1109/IMTC.1989.36818
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1989-04-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Metrology Milling machines Workstations NIST Manufacturing automation Machining Probes Process design Production Standards development
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

AUTOMATIC GENERATION OF NC-CODE FOR HOLE CUTTING WITH IN-PROCESS METROLOGY

Automatic generation of nc-code for hole cutting with in-process metrology.

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Automatic Generation Of Nc-Code For Hole Cutting With In-Process Metrology (1989)

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