JPS5699080A - Resistance welder - Google Patents

Resistance welder

Info

Publication number
JPS5699080A
JPS5699080A JP133780A JP133780A JPS5699080A JP S5699080 A JPS5699080 A JP S5699080A JP 133780 A JP133780 A JP 133780A JP 133780 A JP133780 A JP 133780A JP S5699080 A JPS5699080 A JP S5699080A
Authority
JP
Japan
Prior art keywords
magnetic field
ferromagnetic body
constitution
external surface
reed switch
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.)
Pending
Application number
JP133780A
Other languages
Japanese (ja)
Inventor
Isao Hashiguchi
Hiromi Nogawa
Tatsumi Ide
Yoshitaka Tomitani
Yukiya Imazawa
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP133780A priority Critical patent/JPS5699080A/en
Publication of JPS5699080A publication Critical patent/JPS5699080A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/31—Electrode holders and actuating devices therefor
    • B23K11/314—Spot welding guns, e.g. mounted on robots

Landscapes

  • Engineering & Computer Science (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

PURPOSE:To evade magnetic work in welding of a reed switch, etc., by bonding a ferromagnetic body to each external surface that forms the current feed weld zone of a welder and by shielding a unidirectional magnetic field. CONSTITUTION:To the external surface of upper supporter 7, conductive spring 6, substrate 5, lower supporter 8, electrode rest 9, etc., that form current feed weld zone 2 of a resistance welder, ferromagnetic body A such as iron and permalloy is bonded. In this constitution, magnetic flux generated with welding current is effectively focused by ferromagnetic body A and a magnetic field, particularly, in the vertical direction is shield. Therefore, the magnetic field at the weld operation part composed of upper and lower electrodes 3 and 4 decreases in intensity and a member working magnetically, such as a reed switch, can be welded excellently.
JP133780A 1980-01-11 1980-01-11 Resistance welder Pending JPS5699080A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP133780A JPS5699080A (en) 1980-01-11 1980-01-11 Resistance welder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP133780A JPS5699080A (en) 1980-01-11 1980-01-11 Resistance welder

Publications (1)

Publication Number Publication Date
JPS5699080A true JPS5699080A (en) 1981-08-10

Family

ID=11498679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP133780A Pending JPS5699080A (en) 1980-01-11 1980-01-11 Resistance welder

Country Status (1)

Country Link
JP (1) JPS5699080A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6476699B1 (en) * 1999-07-19 2002-11-05 Nissin Kogyo Co., Ltd. Reed switch unit
CN103447681A (en) * 2013-07-30 2013-12-18 奇瑞汽车股份有限公司 Novel door assembly welding mechanism
CN108788419A (en) * 2017-04-27 2018-11-13 上海交通大学 Split type magnetic control resistance spot welding device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6476699B1 (en) * 1999-07-19 2002-11-05 Nissin Kogyo Co., Ltd. Reed switch unit
CN103447681A (en) * 2013-07-30 2013-12-18 奇瑞汽车股份有限公司 Novel door assembly welding mechanism
CN108788419A (en) * 2017-04-27 2018-11-13 上海交通大学 Split type magnetic control resistance spot welding device

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