GB1521345A - Full rotation type sheet web shearing machine - Google Patents

Full rotation type sheet web shearing machine

Info

Publication number
GB1521345A
GB1521345A GB1151076A GB1151076A GB1521345A GB 1521345 A GB1521345 A GB 1521345A GB 1151076 A GB1151076 A GB 1151076A GB 1151076 A GB1151076 A GB 1151076A GB 1521345 A GB1521345 A GB 1521345A
Authority
GB
United Kingdom
Prior art keywords
motor
contact
relay
shaft
full rotation
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
GB1151076A
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.)
Proterial Ltd
Original Assignee
Hitachi Metals 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 Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Priority to GB1151076A priority Critical patent/GB1521345A/en
Publication of GB1521345A publication Critical patent/GB1521345A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/56—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter
    • B26D1/62—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder
    • B26D1/626—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which travels with the work otherwise than in the direction of the cut, i.e. flying cutter and is rotating about an axis parallel to the line of cut, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D5/20—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed
    • B26D5/26—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed wherein control means on the work feed means renders the cutting member operative
    • B26D5/28—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting with interrelated action between the cutting member and work feed wherein control means on the work feed means renders the cutting member operative the control means being responsive to presence or absence of work

Abstract

1521345 Cutting apparatus HITACHI METALS Ltd 22 March 1979 11510/76 Heading B4B A full rotation-type machine for shearing a web 900 comprises a blade 103 mounted on a rotatable shaft 101 and co-operable with a resiliently-mounted stationary blade 203, an electric motor 400 for rotating the shaft 101, means 600 for detecting a rotation angle from a starting position of the rotary blade and means 700, 810, for causing the motor to be stopped and the rotary blade to be braked when the latter has reached a predetermined angle. The electric motor 400 is connected to a D.C. power supply via a relay device 810 having a pair of contacts 813, 815. In operation, the relay is actuated by an electrical pulse thereby closing the contact 815 to connect the motor to the supply. As the shaft 101 begins to rotate, a cam 600 thereon operates a contact 701 of a switch 700 to maintain the motor connected to the supply after the relay returns to the position shown in Fig. 4. At the end of the cutting cycle, the cam allows the contact 701 to return to the position shown in Fig. 4, thereby causing a short circuit on the motor and thus effect a dynamic braking thereof. A mechanical or magnetic stop device Figs. 6 and 7 (not shown) may be used in conjunction with the dynamic braking arrangement.
GB1151076A 1976-03-22 1976-03-22 Full rotation type sheet web shearing machine Expired GB1521345A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1151076A GB1521345A (en) 1976-03-22 1976-03-22 Full rotation type sheet web shearing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1151076A GB1521345A (en) 1976-03-22 1976-03-22 Full rotation type sheet web shearing machine

Publications (1)

Publication Number Publication Date
GB1521345A true GB1521345A (en) 1978-08-16

Family

ID=9987579

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1151076A Expired GB1521345A (en) 1976-03-22 1976-03-22 Full rotation type sheet web shearing machine

Country Status (1)

Country Link
GB (1) GB1521345A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0771623A3 (en) * 1995-11-06 1997-09-24 Stralfors Ab Cutting device for cutting continuous webs
EP3764375A1 (en) * 2019-07-09 2021-01-13 Etel S. A.. Magnetic stopper for a rotary motion system
CN112938606A (en) * 2021-01-14 2021-06-11 余婷婷 Preparation method of optical polyester film

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0771623A3 (en) * 1995-11-06 1997-09-24 Stralfors Ab Cutting device for cutting continuous webs
US5857392A (en) * 1995-11-06 1999-01-12 Stralfors Ab Cutting device for cutting continuous webs
EP3764375A1 (en) * 2019-07-09 2021-01-13 Etel S. A.. Magnetic stopper for a rotary motion system
WO2021004747A1 (en) * 2019-07-09 2021-01-14 Etel S.A. Magnetic stopper for a rotary motion system
CN112938606A (en) * 2021-01-14 2021-06-11 余婷婷 Preparation method of optical polyester film
CN112938606B (en) * 2021-01-14 2023-01-31 深圳市巨城光电科技有限公司 Preparation method of optical polyester film

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940322