JPS5898120U - Composite ball end mill - Google Patents

Composite ball end mill

Info

Publication number
JPS5898120U
JPS5898120U JP19114481U JP19114481U JPS5898120U JP S5898120 U JPS5898120 U JP S5898120U JP 19114481 U JP19114481 U JP 19114481U JP 19114481 U JP19114481 U JP 19114481U JP S5898120 U JPS5898120 U JP S5898120U
Authority
JP
Japan
Prior art keywords
boron nitride
pressure phase
phase type
type boron
end mill
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
JP19114481U
Other languages
Japanese (ja)
Inventor
鴻野　雄一郎
Original Assignee
住友電気工業株式会社
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 住友電気工業株式会社 filed Critical 住友電気工業株式会社
Priority to JP19114481U priority Critical patent/JPS5898120U/en
Publication of JPS5898120U publication Critical patent/JPS5898120U/en
Pending legal-status Critical Current

Links

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

゛、第１図は本考案の一実施例の複合ボールエンドミル
の正面図である。 １：工具本体、１１：高圧相型窒化硼素の含有量の多い
焼結体切刃、１２：高圧相型窒化硼素の含有量の少ない
焼結体切刃、Ｃ：同転軸。1 is a front view of a composite ball end mill according to an embodiment of the present invention. 1: tool body, 11: sintered cutting blade with high content of high-pressure phase boron nitride, 12: sintered cutting blade with low content of high-pressure phase boron nitride, C: co-rotating shaft.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）切刃の工具本体軸まわりの回転軌跡が半円球であ
るボールエンドミルにおいて、該切刃に高圧相型窒化硼
素焼結体が固着されており、該ボールエンドミル先端で
、工具軸近傍の切刃の高圧相型窒化硼素焼結体と、これ
より外周側の切刃の高圧相型窒化硼素焼結体の組成が異
なることを特徴とする複合ボールエンドミル。(1) In a ball end mill in which the rotation locus of the cutting blade around the axis of the tool body is a semicircle, a high-pressure phase type boron nitride sintered body is fixed to the cutting blade, and at the tip of the ball end mill, it is placed near the tool axis. A composite ball end mill characterized in that the composition of the high-pressure phase type boron nitride sintered body of the cutting edge is different from that of the high-pressure phase type boron nitride sintered body of the cutting edge on the outer peripheral side. （２）工具軸近傍の切刃の高圧相型窒化硼素焼結体が高
圧相型窒化硼素を８０体積％以上含み、外周側切刃の高
圧相型窒化硼素焼結体が高圧相型窒化硼素を７０体積％
以下４０％以上含む焼結体であることを特徴とする実用
新案登録請求の範囲第１項記載の複合ボールエンドミル
。(2) The high-pressure phase type boron nitride sintered body of the cutting edge near the tool axis contains 80% by volume or more of high-pressure phase type boron nitride, and the high-pressure phase type boron nitride sintered body of the outer cutting edge contains high-pressure phase type boron nitride. 70% by volume
The composite ball end mill according to claim 1, which is a sintered body containing 40% or more of:
JP19114481U 1981-12-21 1981-12-21 Composite ball end mill Pending JPS5898120U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19114481U JPS5898120U (en) 1981-12-21 1981-12-21 Composite ball end mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19114481U JPS5898120U (en) 1981-12-21 1981-12-21 Composite ball end mill

Publications (1)

Publication Number Publication Date
JPS5898120U true JPS5898120U (en) 1983-07-04

Family

ID=30104621

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19114481U Pending JPS5898120U (en) 1981-12-21 1981-12-21 Composite ball end mill

Country Status (1)

Country Link
JP (1) JPS5898120U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181310U (en) * 1986-05-07 1987-11-17

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380090A (en) * 1976-12-24 1978-07-15 Nippon Kougu Seisakushiyo Kk Ball end blade milling cutter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5380090A (en) * 1976-12-24 1978-07-15 Nippon Kougu Seisakushiyo Kk Ball end blade milling cutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62181310U (en) * 1986-05-07 1987-11-17

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