JPS6445520A - Hob - Google Patents

Hob

Info

Publication number
JPS6445520A
JPS6445520A JP20063387A JP20063387A JPS6445520A JP S6445520 A JPS6445520 A JP S6445520A JP 20063387 A JP20063387 A JP 20063387A JP 20063387 A JP20063387 A JP 20063387A JP S6445520 A JPS6445520 A JP S6445520A
Authority
JP
Japan
Prior art keywords
angle
tool
cutting
hob
side escape
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
JP20063387A
Other languages
Japanese (ja)
Inventor
Masato Goie
Yoshiaki Iki
Kenichi Komatsu
Shigeru Inoue
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 JP20063387A priority Critical patent/JPS6445520A/en
Publication of JPS6445520A publication Critical patent/JPS6445520A/en
Pending 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 improve the productivity of an ADI gear and the precision of a hob cutting at a tooth cutting hob for an austemper-treated spherical black lead cast iron gear whose pressure angle is under 20 deg., by making a side escape angle more than 5 deg.. CONSTITUTION:When the cutting of an austemper-treated spherical black lead cast iron (ADI) gear is conducted by means of a tool using one blade of a hob, that is to say, a circle tool, scraps cut out of the front escape surface and the side escape surface of the tool blade tip interfere, and the wear of the tool becomes heaviest at the angle part of the tool blade tip. Hereupon, a melt attachment on the side escape surface of the tool at the time of cutting decreases when the angle of side escape becomes large, and the interference of scraps at the angle part becomes little practiced when the angle of side escape becomes over 5 deg.. Therefore, the angle of side escape is made to be over 5 deg.. Thus, the tooth cutting of the ADI gear which is hard to cut is done in good productivity, and the improvement of hob cutting precision becomes possible.
JP20063387A 1987-08-11 1987-08-11 Hob Pending JPS6445520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20063387A JPS6445520A (en) 1987-08-11 1987-08-11 Hob

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20063387A JPS6445520A (en) 1987-08-11 1987-08-11 Hob

Publications (1)

Publication Number Publication Date
JPS6445520A true JPS6445520A (en) 1989-02-20

Family

ID=16427628

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20063387A Pending JPS6445520A (en) 1987-08-11 1987-08-11 Hob

Country Status (1)

Country Link
JP (1) JPS6445520A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012218150A (en) * 2011-04-08 2012-11-12 Sandvik Intellectual Property Ab Milling tool and milling insert kit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012218150A (en) * 2011-04-08 2012-11-12 Sandvik Intellectual Property Ab Milling tool and milling insert kit

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