JPS5375589A - Throw away chip and drill - Google Patents

Throw away chip and drill

Info

Publication number
JPS5375589A
JPS5375589A JP15059276A JP15059276A JPS5375589A JP S5375589 A JPS5375589 A JP S5375589A JP 15059276 A JP15059276 A JP 15059276A JP 15059276 A JP15059276 A JP 15059276A JP S5375589 A JPS5375589 A JP S5375589A
Authority
JP
Japan
Prior art keywords
throw away
drill
away chip
chip
axial load
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
JP15059276A
Other languages
Japanese (ja)
Inventor
Seiji Nakatani
Hisae Kurihara
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 Electric Industries Ltd
Original Assignee
Sumitomo Electric 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 Electric Industries Ltd filed Critical Sumitomo Electric Industries Ltd
Priority to JP15059276A priority Critical patent/JPS5375589A/en
Publication of JPS5375589A publication Critical patent/JPS5375589A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/141—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness
    • B23B27/145—Specially shaped plate-like cutting inserts, i.e. length greater or equal to width, width greater than or equal to thickness characterised by having a special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/04—Overall shape
    • B23B2200/049—Triangular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/20—Top or side views of the cutting edge
    • B23B2200/201—Details of the nose radius and immediately surrounding area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2200/00—Details of cutting inserts
    • B23B2200/32—Chip breaking or chip evacuation
    • B23B2200/323—Chip breaking or chip evacuation by chip breaking depressions

Abstract

PURPOSE:To obtain throw away drill having low axial load, by utilizing triangular throw away chip having apex angle 120 deg..
JP15059276A 1976-12-14 1976-12-14 Throw away chip and drill Pending JPS5375589A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15059276A JPS5375589A (en) 1976-12-14 1976-12-14 Throw away chip and drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15059276A JPS5375589A (en) 1976-12-14 1976-12-14 Throw away chip and drill

Publications (1)

Publication Number Publication Date
JPS5375589A true JPS5375589A (en) 1978-07-05

Family

ID=15500241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15059276A Pending JPS5375589A (en) 1976-12-14 1976-12-14 Throw away chip and drill

Country Status (1)

Country Link
JP (1) JPS5375589A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472789U (en) * 1977-11-01 1979-05-23
JPH02172611A (en) * 1988-12-15 1990-07-04 Montanwerke Walter Gmbh Rotary drill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472789U (en) * 1977-11-01 1979-05-23
JPS583616Y2 (en) * 1977-11-01 1983-01-21 東芝タンガロイ株式会社 drilling tool
JPH02172611A (en) * 1988-12-15 1990-07-04 Montanwerke Walter Gmbh Rotary drill

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