DE43332C - Device for milling twist drills - Google Patents

Device for milling twist drills

Info

Publication number
DE43332C
DE43332C DENDAT43332D DE43332DA DE43332C DE 43332 C DE43332 C DE 43332C DE NDAT43332 D DENDAT43332 D DE NDAT43332D DE 43332D A DE43332D A DE 43332DA DE 43332 C DE43332 C DE 43332C
Authority
DE
Germany
Prior art keywords
milling
twist drills
drills
twist
workpiece
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 - Lifetime
Application number
DENDAT43332D
Other languages
German (de)
Original Assignee
R. DAHL in Berlin, Waldemars«-. 54
Publication of DE43332C publication Critical patent/DE43332C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B23C3/32—Milling helical grooves, e.g. in making twist-drills

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Description

Hierzu ι Blatt Zeichnungen.For this purpose ι sheet of drawings.

Claims (1)

Patent-Anspruch:Patent claim: Eine Vorrichtung zum Fräsen von Spiralbohrern mit wechselnder Steigung der vom Fräser ν herzustellenden Nuthen, bestehend aus der Zahnstange k und der Gleitschiene r, durch welche das Arbeitsstück s während des Fräsens gedreht wird.A device for milling twist drills with changing pitch of the grooves to be produced by the milling cutter ν, consisting of the rack k and the slide rail r, through which the workpiece s is rotated during milling.
DENDAT43332D Device for milling twist drills Expired - Lifetime DE43332C (en)

Publications (1)

Publication Number Publication Date
DE43332C true DE43332C (en)

Family

ID=318665

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT43332D Expired - Lifetime DE43332C (en) Device for milling twist drills

Country Status (1)

Country Link
DE (1) DE43332C (en)

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