NL7200083A - Punching appts - with intermittently rotating disc /eccentric pin for reciprocally moving punch/die holders - Google Patents

Punching appts - with intermittently rotating disc /eccentric pin for reciprocally moving punch/die holders

Info

Publication number
NL7200083A
NL7200083A NL7200083A NL7200083A NL7200083A NL 7200083 A NL7200083 A NL 7200083A NL 7200083 A NL7200083 A NL 7200083A NL 7200083 A NL7200083 A NL 7200083A NL 7200083 A NL7200083 A NL 7200083A
Authority
NL
Netherlands
Prior art keywords
appts
punching
rotating disc
eccentric pin
intermittently rotating
Prior art date
Application number
NL7200083A
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 filed Critical
Priority to NL7200083A priority Critical patent/NL7200083A/en
Publication of NL7200083A publication Critical patent/NL7200083A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/06—Making more than one part out of the same blank; Scrapless working
    • B21D28/08—Zig-zag sequence working

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

Appts. for punching platelets from a sheet of material in a zig-zag manner has a punch holder and a die holder which together are displaced reciprocally in a transverse direction relative to the intermittently moving material sheet, this reciprocal motion being effected by an intermittently rotating disc, provided with an eccentric pin, the disc being roated over one half of a complete rotation in a predefined direction. They operate efficiently at a higher speed than known machines.
NL7200083A 1972-01-04 1972-01-04 Punching appts - with intermittently rotating disc /eccentric pin for reciprocally moving punch/die holders NL7200083A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL7200083A NL7200083A (en) 1972-01-04 1972-01-04 Punching appts - with intermittently rotating disc /eccentric pin for reciprocally moving punch/die holders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7200083A NL7200083A (en) 1972-01-04 1972-01-04 Punching appts - with intermittently rotating disc /eccentric pin for reciprocally moving punch/die holders

Publications (1)

Publication Number Publication Date
NL7200083A true NL7200083A (en) 1973-07-06

Family

ID=19815086

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7200083A NL7200083A (en) 1972-01-04 1972-01-04 Punching appts - with intermittently rotating disc /eccentric pin for reciprocally moving punch/die holders

Country Status (1)

Country Link
NL (1) NL7200083A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111469213A (en) * 2020-05-22 2020-07-31 董虎山 Mask ear belt punching equipment and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111469213A (en) * 2020-05-22 2020-07-31 董虎山 Mask ear belt punching equipment and preparation method thereof

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