GB195415A - Improvements relating to the machining of helices - Google Patents

Improvements relating to the machining of helices

Info

Publication number
GB195415A
GB195415A GB2812221A GB2812221A GB195415A GB 195415 A GB195415 A GB 195415A GB 2812221 A GB2812221 A GB 2812221A GB 2812221 A GB2812221 A GB 2812221A GB 195415 A GB195415 A GB 195415A
Authority
GB
United Kingdom
Prior art keywords
blade
tool
axis
reciprocated
longitudinally
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
GB2812221A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2812221A priority Critical patent/GB195415A/en
Publication of GB195415A publication Critical patent/GB195415A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D3/00—Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line
    • B23D3/04—Planing or slotting machines cutting by relative movement of the tool and workpiece in a vertical or inclined straight line in which the tool or workpiece is fed otherwise than in a straight line

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Debarking, Splitting, And Disintegration Of Timber (AREA)

Abstract

195,415. Clift, C. E., and Parsons, P. R. Oct. 22, 1921. Screw-threads and other helical surfaces, grinding and treating.-In a machine for shaping propeller blades and like helical surfaces, an abrading tool is reciprocated transversely across the blade which is relatively reciprocated longitudinally of its axis, the tool being fed longitudinally from tip to root while the bladeis slowly rotated about its axis. In the form shown the blade 1 is mounted between centres on connected members 2, 3 adapted to travel along guides 4, 5. The tool 8 is mounted on a bar 7 forming part of a frame 9 which is transversely reciprocated on guides 10 by means of a screw 11 driven from pulleys 12. At a point beneath the tool, the frame 9 is connected by a link 14 to the head 2 so that as the tool is reciprocated the blade is simultaneously moved longitudinally under the control of the link bar. The feed is operated from a hand wheel 19 which through a gear train actuates a pinion 17 engaging rack teeth on the link bar which is thus gradually shortened the blade being simultaneously rotated about its axis through the gearing shown in Fig. 6. In a modification the blade may be carried on a stationary table and the link bar may impart to the tool frame an additional movement longitudinally of the blade axis.
GB2812221A 1921-10-22 1921-10-22 Improvements relating to the machining of helices Expired GB195415A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2812221A GB195415A (en) 1921-10-22 1921-10-22 Improvements relating to the machining of helices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2812221A GB195415A (en) 1921-10-22 1921-10-22 Improvements relating to the machining of helices

Publications (1)

Publication Number Publication Date
GB195415A true GB195415A (en) 1923-03-22

Family

ID=10270604

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2812221A Expired GB195415A (en) 1921-10-22 1921-10-22 Improvements relating to the machining of helices

Country Status (1)

Country Link
GB (1) GB195415A (en)

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