GB757765A - Process and device for the determination of a finish machining axis for revolving articles on a dynamic balancing machine - Google Patents

Process and device for the determination of a finish machining axis for revolving articles on a dynamic balancing machine

Info

Publication number
GB757765A
GB757765A GB1955354A GB1955354A GB757765A GB 757765 A GB757765 A GB 757765A GB 1955354 A GB1955354 A GB 1955354A GB 1955354 A GB1955354 A GB 1955354A GB 757765 A GB757765 A GB 757765A
Authority
GB
United Kingdom
Prior art keywords
axis
unbalance
inertia
finishing
article
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
GB1955354A
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.)
Avery Weigh Tronix Ltd
Original Assignee
W&T Avery Ltd
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 W&T Avery Ltd filed Critical W&T Avery Ltd
Priority to GB1955354A priority Critical patent/GB757765A/en
Publication of GB757765A publication Critical patent/GB757765A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/02—Details of balancing machines or devices
    • G01M1/04—Adaptation of bearing support assemblies for receiving the body to be tested

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Balance (AREA)

Abstract

757,765. Correcting rotary unbalance. AVERY, Ltd., W. & T. July 3, 1954, No. 19553/54. Class 106 (2). The invention relates to apparatus for determining a suitable axis of rotation of a revolving article for finish machining operations of the kind wherein the article is revolved on an axis which is displaceable relative to its axis of inertia. One such apparatus is described in Specification 715,764, [Group XXXVIII], wherein the displacement is such that the axis of rotation, afterwards used as the finishing axis, is brought into coincidence with the axis of inertia. This axis, however, does not coincide with the geometric axis and final machining introduces further unbalance. According to the present invention the chosen finishing axis is displaced from the axis of inertia by an amount calculated so that on finishing the unbalance thereby resulting is eliminated. In the disc-shaped example shown in Fig. 1 the rotor has an unbalance mass at a distance a from its geometric axis and instead of an axis of rotation coinciding with the axis of inertia being found an axis M1 is determined which is such that on machine finishing about that axis the sickle F1 is removed to bring the axis of rotation of the finished workpiece into coincidence with its final axis of inertia M1. To achieve this the necessary residual unbalance is calculated from samples of the production articles and this unbalance is added to the article under test by means of an annular equalizing mass 1, Fig. 5, supported on the article 3 by two spring- loaded supports 8a and two adjustable supports 7b, the workpiece 3 and the mass 1 being held in a chuck 4 secured to the shaft of a balancing machine. The relative positions of the ring 1 and work 3 are adjusted until they revolve together oscillation-free, whereupon the axis M 1 can be drilled on the work faces. Specification 744,662, [Group XXXVIII], also is referred to.
GB1955354A 1954-07-03 1954-07-03 Process and device for the determination of a finish machining axis for revolving articles on a dynamic balancing machine Expired GB757765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1955354A GB757765A (en) 1954-07-03 1954-07-03 Process and device for the determination of a finish machining axis for revolving articles on a dynamic balancing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1955354A GB757765A (en) 1954-07-03 1954-07-03 Process and device for the determination of a finish machining axis for revolving articles on a dynamic balancing machine

Publications (1)

Publication Number Publication Date
GB757765A true GB757765A (en) 1956-09-26

Family

ID=10131298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1955354A Expired GB757765A (en) 1954-07-03 1954-07-03 Process and device for the determination of a finish machining axis for revolving articles on a dynamic balancing machine

Country Status (1)

Country Link
GB (1) GB757765A (en)

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