GB678057A - Improvements in or relating to jigs for the grinding of lathe and like cutting tools - Google Patents

Improvements in or relating to jigs for the grinding of lathe and like cutting tools

Info

Publication number
GB678057A
GB678057A GB1412750A GB1412750A GB678057A GB 678057 A GB678057 A GB 678057A GB 1412750 A GB1412750 A GB 1412750A GB 1412750 A GB1412750 A GB 1412750A GB 678057 A GB678057 A GB 678057A
Authority
GB
United Kingdom
Prior art keywords
faces
tool
tools
jig
clamped
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
GB1412750A
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 GB1412750A priority Critical patent/GB678057A/en
Publication of GB678057A publication Critical patent/GB678057A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/066—Work supports, e.g. adjustable steadies adapted for supporting work in the form of tools, e.g. drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

678,057. Jigs. COSENS, L. March 13, 1951 [June 6, 1950], No. 14127/50. Class 60. A jig for grinding lathe and like cutting tools comprises a block having at each end tool-holding means and a set of plane surfaces disposed parallel with and opposite to the respective required faces of the tool, each surface serving as a base to rest on the table of a surface grinder while the corresponding tool face is being ground. Tools of circular cross section are clamped in a bore 18 by a screw 19, while tools of square cross section may be clamped in a slot 22 by a bar secured at each end by bolts in threaded engagement with holes 26a in the block. If tools for cutting screw threads are to be ground, the angle between the faces 13, 15 may correspond to that of a Whitworth thread while the angle between the faces 13a, 15a corresponds to that of American and metric threads. The surfacet grinder may be provided with a magnetic chuck to hold the jig by each of the faces 13, 15 or 13a, 15a in turn while the grinding wheel produces the corresponding faces on the tool. The faces 14, 14a may be used to obtain a flat at the nose of the tool. All of the faces are tapered towards the top of the body of the jig to produce clearance on the cutting edges of the tool. For the treatment of boring bars an intermediate member 31 is used. This has a shank 32 which is held in the bore 18 and an eye 33 in which the tool shank is clamped by a grub screw.
GB1412750A 1950-06-06 1950-06-06 Improvements in or relating to jigs for the grinding of lathe and like cutting tools Expired GB678057A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1412750A GB678057A (en) 1950-06-06 1950-06-06 Improvements in or relating to jigs for the grinding of lathe and like cutting tools

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1412750A GB678057A (en) 1950-06-06 1950-06-06 Improvements in or relating to jigs for the grinding of lathe and like cutting tools

Publications (1)

Publication Number Publication Date
GB678057A true GB678057A (en) 1952-08-27

Family

ID=10035480

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1412750A Expired GB678057A (en) 1950-06-06 1950-06-06 Improvements in or relating to jigs for the grinding of lathe and like cutting tools

Country Status (1)

Country Link
GB (1) GB678057A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143870A1 (en) * 1983-10-27 1985-06-12 Robert Wolff Auxiliary device for sharpening twist drills
US12031537B2 (en) 2017-05-03 2024-07-09 Kaeser Kompressoren Se Screw compressor with multi-layered coating of the rotor screws

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0143870A1 (en) * 1983-10-27 1985-06-12 Robert Wolff Auxiliary device for sharpening twist drills
US12031537B2 (en) 2017-05-03 2024-07-09 Kaeser Kompressoren Se Screw compressor with multi-layered coating of the rotor screws

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