GB1481104A - Roll-stand backlash-preventing system - Google Patents

Roll-stand backlash-preventing system

Info

Publication number
GB1481104A
GB1481104A GB31631/74A GB3163174A GB1481104A GB 1481104 A GB1481104 A GB 1481104A GB 31631/74 A GB31631/74 A GB 31631/74A GB 3163174 A GB3163174 A GB 3163174A GB 1481104 A GB1481104 A GB 1481104A
Authority
GB
United Kingdom
Prior art keywords
nuts
chock
rod
backlash
nut
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
GB31631/74A
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.)
Morgardshammar AB
Original Assignee
Morgardshammar AB
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 Morgardshammar AB filed Critical Morgardshammar AB
Publication of GB1481104A publication Critical patent/GB1481104A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
    • B21B31/04—Rolling stand frames or housings; Roll mountings ; Roll chocks with tie rods in frameless stands, e.g. prestressed tie rods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
    • B21B2203/02—Backlash elimination
    • 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
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut
    • Y10T74/18728—Backlash

Abstract

1481104 Rolling mills MORGARDSHAMMAR AB 17 July 1974 [20 July 1973] 31631/74 Heading B3M A roll stand, Fig. 5, includes a pair of chocks 1 for supporting the ends of a pair of work rolls 20, threaded rods 3 which cooperate with nuts carried in one chock to provide roll gap adjustment, and backlash eliminating springs associated with each rod for urging the chocks apart. Each rod 3, Fig. 1, has a threaded portion on which axially spaced nuts 2 and 5 are located the rod being rotated to shift the nuts axially and hence adjust the chock 1 and the roll gap. The nuts are connected by pins 8 and are restrained from rotational movement. Spring assemblies 6, each consisting of a nest of spring washers, are positioned between the top nut 5 and a cover 4 of the chock, the assemblies biassing the chock (and lever nut 2) upwardly relative to the rod 3. Since the nuts 2 and 5 are urged in opposite directions by the spring assemblies, backlash is taken up between the nuts and threaded portions. A lubricant supply pipe 9 is provided for the nut 2.
GB31631/74A 1973-07-20 1974-07-17 Roll-stand backlash-preventing system Expired GB1481104A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7310151A SE384456B (en) 1973-07-20 1973-07-20 DEVICE FOR SLAP COMPENSATION FOR ROLLING MILL

Publications (1)

Publication Number Publication Date
GB1481104A true GB1481104A (en) 1977-07-27

Family

ID=20318109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31631/74A Expired GB1481104A (en) 1973-07-20 1974-07-17 Roll-stand backlash-preventing system

Country Status (13)

Country Link
US (1) US3918287A (en)
JP (1) JPS5811282B2 (en)
BR (1) BR7405985D0 (en)
DD (1) DD116402A5 (en)
DE (1) DE2434792A1 (en)
ES (1) ES428423A1 (en)
FI (1) FI63873C (en)
FR (1) FR2237691B1 (en)
GB (1) GB1481104A (en)
IN (1) IN141180B (en)
IT (1) IT1019730B (en)
NO (1) NO139913C (en)
SE (1) SE384456B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104889156A (en) * 2015-06-03 2015-09-09 中冶华天南京工程技术有限公司 Bars reducing and sizing mill
CN106090197A (en) * 2016-08-24 2016-11-09 中冶华天南京工程技术有限公司 A kind of device for eliminating thread clearance and assembly method thereof

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR439116A (en) * 1912-01-18 1912-06-06 Maschinenfabrik Sack G M B H Device for height adjustment of the upper roll of rolling mills
US1948804A (en) * 1932-02-01 1934-02-27 Barton R Shover Screw-down
BE446041A (en) * 1941-08-05
US2506681A (en) * 1943-05-21 1950-05-09 Norlindh Sven Erik Malte Roll-bearing device
US2919596A (en) * 1958-02-24 1960-01-05 Gorton George Machine Co Anti-backlash nut
FR1358628A (en) * 1962-03-08 1964-04-17 Morgardshammars Mek Verkst Sa Improvements made to the assembly of rolling mill cylinders with rigid bearings
GB1189665A (en) * 1966-09-09 1970-04-29 United Eng Foundry Co Hydro-Mechanical Gauge Control System for a Rolling Mill
US3592075A (en) * 1969-10-22 1971-07-13 Marion A Clark Steering mechanism

Also Published As

Publication number Publication date
DD116402A5 (en) 1975-11-20
JPS5044151A (en) 1975-04-21
FI221974A (en) 1975-01-21
NO139913B (en) 1979-02-26
FI63873B (en) 1983-05-31
NO742654L (en) 1975-02-17
NO139913C (en) 1979-06-06
FR2237691A1 (en) 1975-02-14
SE384456B (en) 1976-05-10
SE7310151L (en) 1975-01-21
IN141180B (en) 1977-01-29
US3918287A (en) 1975-11-11
DE2434792A1 (en) 1975-02-06
FR2237691B1 (en) 1978-07-07
IT1019730B (en) 1977-11-30
FI63873C (en) 1983-09-12
BR7405985D0 (en) 1975-05-06
JPS5811282B2 (en) 1983-03-02
ES428423A1 (en) 1976-10-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee