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GB757569A - An improved calculating device for the correlation of factors affecting the use of machine tools - Google Patents

An improved calculating device for the correlation of factors affecting the use of machine tools

Info

Publication number
GB757569A
GB757569A GB20424/54A GB2042454A GB757569A GB 757569 A GB757569 A GB 757569A GB 20424/54 A GB20424/54 A GB 20424/54A GB 2042454 A GB2042454 A GB 2042454A GB 757569 A GB757569 A GB 757569A
Authority
GB
United Kingdom
Prior art keywords
scale
marked
drum
correlation
machine tools
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB20424/54A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MARCEL PEGARD ATEL
Original Assignee
MARCEL PEGARD ATEL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MARCEL PEGARD ATEL filed Critical MARCEL PEGARD ATEL
Publication of GB757569A publication Critical patent/GB757569A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

757,569. Calculating-apparatus. ATELIERS MARCEL PEGARD. July 13, 1954 [July 16, 1953], No. 20424/54. Class 106 (1). A device for the correlation of factors affecting optimum use of machine tools comprises upper and lower scale bearing drums 2 and 13 rotatable in unison by means of a knob 3 through gearing 4, 5 and 14. The upper drum is marked with a tabular scale of tool diameters, and the drum is rotated to register a predetermined value on this scale with the appropriate value of cutting speed marked, e.g. in metres per minute, on a fixed horizontal scale A, whereupon the corresponding value of rotational speed, also marked on the upper drum, appears at a window 10. Values of feed per revolution are marked by curves on the drum 13 and register with corresponding values of feed per minute on a fixed scale E at the rotational speed showing in the window 10. Cursors 8 and 17 aid in the correct reading of the scales.
GB20424/54A 1953-07-16 1954-07-13 An improved calculating device for the correlation of factors affecting the use of machine tools Expired GB757569A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE757569X 1953-07-16

Publications (1)

Publication Number Publication Date
GB757569A true GB757569A (en) 1956-09-19

Family

ID=3879807

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20424/54A Expired GB757569A (en) 1953-07-16 1954-07-13 An improved calculating device for the correlation of factors affecting the use of machine tools

Country Status (1)

Country Link
GB (1) GB757569A (en)

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