JPS571616A - Assembled hob for making hourglass worm gear - Google Patents

Assembled hob for making hourglass worm gear

Info

Publication number
JPS571616A
JPS571616A JP7086480A JP7086480A JPS571616A JP S571616 A JPS571616 A JP S571616A JP 7086480 A JP7086480 A JP 7086480A JP 7086480 A JP7086480 A JP 7086480A JP S571616 A JPS571616 A JP S571616A
Authority
JP
Japan
Prior art keywords
hob
cutting edges
assembled
much
making
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.)
Granted
Application number
JP7086480A
Other languages
Japanese (ja)
Other versions
JPS6224208B2 (en
Inventor
Mitsuru Maki
Akiyo Horiuchi
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.)
Sumitomo Heavy Industries Ltd
Original Assignee
Sumitomo Heavy Industries 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 Sumitomo Heavy Industries Ltd filed Critical Sumitomo Heavy Industries Ltd
Priority to JP7086480A priority Critical patent/JPS571616A/en
Publication of JPS571616A publication Critical patent/JPS571616A/en
Publication of JPS6224208B2 publication Critical patent/JPS6224208B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F21/00—Tools specially adapted for use in machines for manufacturing gear teeth
    • B23F21/12—Milling tools
    • B23F21/16—Hobs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)

Abstract

PURPOSE:To offer an assembled hob for making hourglass worms which assures high precision and high efficiency as well as provides possibility to save the material to hob by constructing the hob in a form of assembled hob and by installing the secondary on the group of cutting edges corresponding to a lead of thread situated at the entrance side which works rather much. CONSTITUTION:This assembled hob is composed of the body, i.e. the central part, and rigns 2, 3 at both sides provided with a group of cutting edges each, corresponding to a lead of thread. These ring 2, 3 and body 1 have a hole with the same diameter and, at the end faces of every piece, key 5 or key seat 6 to engage each other is provided perpendicular to the hob axis X-X. Their relative positioning is determined by an arbor which shall fit to this front key and hole 4. No.2 cutter are used as cutting edges leading the rings 2, 3 which are due much and other types of cutters are used for cutting edges following these two and provided on the central part, body, which do not work much. According to this arrangement, in the case of wear only those at the rings on both ends be substituted.
JP7086480A 1980-05-29 1980-05-29 Assembled hob for making hourglass worm gear Granted JPS571616A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7086480A JPS571616A (en) 1980-05-29 1980-05-29 Assembled hob for making hourglass worm gear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7086480A JPS571616A (en) 1980-05-29 1980-05-29 Assembled hob for making hourglass worm gear

Publications (2)

Publication Number Publication Date
JPS571616A true JPS571616A (en) 1982-01-06
JPS6224208B2 JPS6224208B2 (en) 1987-05-27

Family

ID=13443847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7086480A Granted JPS571616A (en) 1980-05-29 1980-05-29 Assembled hob for making hourglass worm gear

Country Status (1)

Country Link
JP (1) JPS571616A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2196275A1 (en) * 2007-12-14 2010-06-16 Mitsubishi Heavy Industries, Ltd. Barrel worm-shaped tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2196275A1 (en) * 2007-12-14 2010-06-16 Mitsubishi Heavy Industries, Ltd. Barrel worm-shaped tool
EP2196275A4 (en) * 2007-12-14 2014-04-02 Mitsubishi Heavy Ind Ltd Barrel worm-shaped tool

Also Published As

Publication number Publication date
JPS6224208B2 (en) 1987-05-27

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