GB1309823A - Groove cutting apparatus - Google Patents

Groove cutting apparatus

Info

Publication number
GB1309823A
GB1309823A GB3668770A GB3668770A GB1309823A GB 1309823 A GB1309823 A GB 1309823A GB 3668770 A GB3668770 A GB 3668770A GB 3668770 A GB3668770 A GB 3668770A GB 1309823 A GB1309823 A GB 1309823A
Authority
GB
United Kingdom
Prior art keywords
cutters
centres
groove
milling
flank
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
GB3668770A
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.)
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
Original Assignee
BBC Brown Boveri AG Switzerland
BBC Brown Boveri France SA
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 BBC Brown Boveri AG Switzerland, BBC Brown Boveri France SA filed Critical BBC Brown Boveri AG Switzerland
Publication of GB1309823A publication Critical patent/GB1309823A/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
    • B23C3/28—Grooving workpieces
    • B23C3/34—Milling grooves of other forms, e.g. circumferential

Abstract

1309823 Milling arcuate grooves BROWN BOVERI & CO Ltd 29 July 1970 [31 July 1969] 36687/70 Heading B3K In a method of finish milling preformed arcuate grooves in the periphery of, e.g. fir tree grooves in a turbine rotor 9-Fig. 1, two face cutters 1, 2, which are simultaneously rotated about centres M1, M2, are fed into the workpiece along the centres so that cutter 1 cuts flank 8 of the groove, and cutter 2 cuts the flank 7, the centres M1, M2, of the cutters being moved during cutting until they coincide with centre M, whereupon the required width of groove is reached, the centres then being moved apart so that the cutters can be retracted from the finished groove. Cutters 1, 2, are supported in a milling machine headstock by means of bearings 5, 6, Fig. 3, mounted in carrier rings 3, 4, which are carried in arms 11, 12, pivoted to a base plate 14 by a pin 10. The pivoting so as to vary the positions of centres M1, M2, is carried out by cams 17, operated by a gear motor 18, and the cutters are rotated by a driver disc 24 having a centre M, the disc being connected to cutters 1, 2, by links 19, 20. Cutters 1, 2, may have inserted tool tips brazed or screwed thereto.
GB3668770A 1969-07-31 1970-07-29 Groove cutting apparatus Expired GB1309823A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1166269A CH502152A (en) 1969-07-31 1969-07-31 Method and device for the production of undercut circular arc grooves

Publications (1)

Publication Number Publication Date
GB1309823A true GB1309823A (en) 1973-03-14

Family

ID=4375653

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3668770A Expired GB1309823A (en) 1969-07-31 1970-07-29 Groove cutting apparatus

Country Status (7)

Country Link
BE (1) BE754082A (en)
CH (1) CH502152A (en)
DE (2) DE1955385A1 (en)
FR (1) FR2053334B1 (en)
GB (1) GB1309823A (en)
NL (1) NL7011193A (en)
SE (1) SE358831B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106975781A (en) * 2017-06-06 2017-07-25 西安煤矿机械有限公司 A kind of nut mounting groove process tool and processing method
CN114289768A (en) * 2021-12-30 2022-04-08 山东铭扬输送设备有限公司 Carrier roller shaft clamp spring groove milling machine

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113560639A (en) * 2021-07-27 2021-10-29 上海骊珠微型轴承有限公司 Bearing production device
CN114704554B (en) * 2022-03-25 2023-11-24 中国航发哈尔滨东安发动机有限公司 Bearing mounting seat with self-lubricating oil injection function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106975781A (en) * 2017-06-06 2017-07-25 西安煤矿机械有限公司 A kind of nut mounting groove process tool and processing method
CN114289768A (en) * 2021-12-30 2022-04-08 山东铭扬输送设备有限公司 Carrier roller shaft clamp spring groove milling machine
CN114289768B (en) * 2021-12-30 2022-12-27 山东铭扬输送设备有限公司 Carrier roller shaft clamp spring groove milling machine

Also Published As

Publication number Publication date
SE358831B (en) 1973-08-13
FR2053334A1 (en) 1971-04-16
FR2053334B1 (en) 1973-03-16
CH502152A (en) 1971-01-31
DE6942822U (en) 1971-08-05
BE754082A (en) 1970-12-31
DE1955385A1 (en) 1971-02-11
NL7011193A (en) 1971-02-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees