GB1268046A - Improvements in or relating to boring machines for boring bearing liners - Google Patents

Improvements in or relating to boring machines for boring bearing liners

Info

Publication number
GB1268046A
GB1268046A GB2756568A GB2756568A GB1268046A GB 1268046 A GB1268046 A GB 1268046A GB 2756568 A GB2756568 A GB 2756568A GB 2756568 A GB2756568 A GB 2756568A GB 1268046 A GB1268046 A GB 1268046A
Authority
GB
United Kingdom
Prior art keywords
liner
boring
bearing
bearings
electric motor
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
GB2756568A
Inventor
Brian Hayter
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.)
VANERVELL PRODUCTS Ltd
Original Assignee
VANERVELL PRODUCTS 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 VANERVELL PRODUCTS Ltd filed Critical VANERVELL PRODUCTS Ltd
Priority to GB2756568A priority Critical patent/GB1268046A/en
Priority to FR6918983A priority patent/FR2010573A1/fr
Priority to DE19691929185 priority patent/DE1929185A1/en
Publication of GB1268046A publication Critical patent/GB1268046A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
    • B23Q1/38—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members using fluid bearings or fluid cushion supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/02—Boring bars
    • B23B29/027—Steadies for boring bars

Landscapes

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

Abstract

1,268,046. Boring machines. VANDERVELL PRODUCTS Ltd. 10 June, 1969 [10 June, 1968], No. 27565/68. Heading B3C. [Also in Division F2] A boring machine for machining an internal surface of a cylindrical or half a cylindrical bearing liner comprises a rotatable boring bar 20 having cutting tools 23, 24, means to rotate the boring bar, an electric motor 16, a support 26 for a bearing liner, the bar 20 being supported by gas bearings. These bearings are in housing 21 there being a journal bearing, Fig. 2, and thrust bearings, Fig. 4. The journal bearing provides a radial pressure of 450,000 lb./in. whilst the thrust bearings give a thrust of 700,000 lb./in., there being two thrust bearings acting in opposite directions. A rotor of the electric motor is also mounted in a similar journal gas bearing. The electric motor 16 is mounted on a slide 13 which is fed by an hydraulic or pneumatic ram 14. Liner support 26 has a liner ejector plunger 32 and is fed by a ram 29. A nozzle 34 directs coolant on to the working area. When machining half a cylindrical bearing axis 18 can be inclined to the liner axis with the cutting radius of cutter 23 being slightly larger than that for cutter 24 and its centre of rotation further from the inner surface of the liner so that relief areas are formed adjacent the ends of a liner.
GB2756568A 1968-06-10 1968-06-10 Improvements in or relating to boring machines for boring bearing liners Expired GB1268046A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2756568A GB1268046A (en) 1968-06-10 1968-06-10 Improvements in or relating to boring machines for boring bearing liners
FR6918983A FR2010573A1 (en) 1968-06-10 1969-06-09
DE19691929185 DE1929185A1 (en) 1968-06-10 1969-06-09 drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2756568A GB1268046A (en) 1968-06-10 1968-06-10 Improvements in or relating to boring machines for boring bearing liners

Publications (1)

Publication Number Publication Date
GB1268046A true GB1268046A (en) 1972-03-22

Family

ID=10261690

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2756568A Expired GB1268046A (en) 1968-06-10 1968-06-10 Improvements in or relating to boring machines for boring bearing liners

Country Status (3)

Country Link
DE (1) DE1929185A1 (en)
FR (1) FR2010573A1 (en)
GB (1) GB1268046A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107571035A (en) * 2017-09-28 2018-01-12 南通冒氏智能装备有限公司 A kind of ram with lubrication system

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644191A5 (en) * 1979-11-02 1984-07-13 Escher Wyss Ag Device for mounting a rotor.
US4571129A (en) * 1984-11-13 1986-02-18 Erickson Tool Company Mandrel assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107571035A (en) * 2017-09-28 2018-01-12 南通冒氏智能装备有限公司 A kind of ram with lubrication system

Also Published As

Publication number Publication date
DE1929185A1 (en) 1969-12-11
FR2010573A1 (en) 1970-02-20

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