GB272415A - Improvements in or relating to methods of and apparatus for reseating valves - Google Patents

Improvements in or relating to methods of and apparatus for reseating valves

Info

Publication number
GB272415A
GB272415A GB2866/27A GB286627A GB272415A GB 272415 A GB272415 A GB 272415A GB 2866/27 A GB2866/27 A GB 2866/27A GB 286627 A GB286627 A GB 286627A GB 272415 A GB272415 A GB 272415A
Authority
GB
United Kingdom
Prior art keywords
cutter
guide
bearing
arbor
arm
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
GB2866/27A
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 GB2866/27A priority Critical patent/GB272415A/en
Priority to FR629005D priority patent/FR629005A/en
Priority to US177374A priority patent/US1667918A/en
Publication of GB272415A publication Critical patent/GB272415A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/02—Milling surfaces of revolution
    • B23C3/05—Finishing valves or valve seats
    • B23C3/051—Reconditioning of valve seats
    • B23C3/053—Reconditioning of valve seats having means for guiding the tool carrying spindle
    • B23C3/055—Reconditioning of valve seats having means for guiding the tool carrying spindle for engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
    • B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
    • B23Q1/54—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only
    • B23Q1/545—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only comprising spherical surfaces
    • B23Q1/5462—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism two rotating pairs only comprising spherical surfaces with one supplementary sliding pair
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T408/00—Cutting by use of rotating axially moving tool
    • Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
    • Y10T408/557—Frictionally engaging sides of opening in work
    • Y10T408/558—Opening coaxial with Tool
    • Y10T408/5587—Valve fitting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

272,415. Willis, R. C. Feb. 1, 1927. Drilling-machines; portable turning-apparatus, -In a method of and apparatus for reseating valves, the reseating-tool is set in a position perpendicular to the valve-stem guide and locked there so that the cutting operation may be performed without further dependence on the valve guide. The apparatus comprises an arm 7 slotted longitudinally at 8 to receive a securing bolt 9 and having a head 13 in which a bearing 15 for the cutter arbor 2 is mounted. The arm rests on a base-block 1 attached to an internal combustion engine cylinder-block 5 by bolts or studs 4 and carrying the bolt 9 on which is mounted a bridge 10 forced into engagement with the arm by a nut 1 hand operated at 12. The head 13 is provided with an internal spherical recess 18 lined with soft metal such a babbit metal for receiving the spherical end 17 of the bearing 15, the head being split at 14 and provided with a handle and nut 20 for clamping the bearing in any adjusted angular position. In operation, a pilot 25 on the cutter arbor is adjusted centrally in the valve guide 26 and the nut 11 and handle 20 are then locked and the arbor withdrawn so that the cutter 24 may be mounted therein. The cutter is rotated to perform the reseating operation by a hand or power operated attachment 28. For trueing up the valve-stem guide a cutter 32, Fig. 4, carried by an arbor 31 is used in place of the cutter 24 and is adjusted in the same manner if the axis of the guide is inclined to the cylinder axis. When the guide axis is perpendicular to the face of the cylinder block 5, the cutter axis is adjusted by means of a sleeve 29, Fig. 1, which fits the bearing 15 accurately and which has a face 30 perpendicular to its bore for engaging the arm 7. When an entirely new seat has to be fitted the aperture for its reception is formed by a right angle cutter substituted for the cutter 24.
GB2866/27A 1927-02-01 1927-02-01 Improvements in or relating to methods of and apparatus for reseating valves Expired GB272415A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2866/27A GB272415A (en) 1927-02-01 1927-02-01 Improvements in or relating to methods of and apparatus for reseating valves
FR629005D FR629005A (en) 1927-02-01 1927-02-11 Method and apparatus for straightening valve seats of internal combustion engines
US177374A US1667918A (en) 1927-02-01 1927-03-22 Method and apparatus for reseating valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2866/27A GB272415A (en) 1927-02-01 1927-02-01 Improvements in or relating to methods of and apparatus for reseating valves

Publications (1)

Publication Number Publication Date
GB272415A true GB272415A (en) 1927-06-16

Family

ID=9747443

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2866/27A Expired GB272415A (en) 1927-02-01 1927-02-01 Improvements in or relating to methods of and apparatus for reseating valves

Country Status (3)

Country Link
US (1) US1667918A (en)
FR (1) FR629005A (en)
GB (1) GB272415A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2446787A (en) * 1945-12-03 1948-08-10 Herman H Reetz Pilot guide device
US2466359A (en) * 1946-08-23 1949-04-05 Vickers Inc Valve seat grinding means
US2720736A (en) * 1953-09-01 1955-10-18 Leavitt Machine Co Valve grinding machine
US5148633A (en) * 1991-06-12 1992-09-22 Michael Pigott Tool for resurfacing exhaust port flanges
WO1996007501A1 (en) * 1994-09-02 1996-03-14 Minelli Ag Device for machining valve seats in internal combustion engines

Also Published As

Publication number Publication date
FR629005A (en) 1927-11-03
US1667918A (en) 1928-05-01

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