JPS6478711A - Twist drill - Google Patents

Twist drill

Info

Publication number
JPS6478711A
JPS6478711A JP23664187A JP23664187A JPS6478711A JP S6478711 A JPS6478711 A JP S6478711A JP 23664187 A JP23664187 A JP 23664187A JP 23664187 A JP23664187 A JP 23664187A JP S6478711 A JPS6478711 A JP S6478711A
Authority
JP
Japan
Prior art keywords
twist
twist groove
vibration
groove
angle
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
JP23664187A
Other languages
Japanese (ja)
Other versions
JP2590489B2 (en
Inventor
Sueji Takatani
Hideji Hosono
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.)
Mitsubishi Metal Corp
Original Assignee
Mitsubishi Metal Corp
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 Mitsubishi Metal Corp filed Critical Mitsubishi Metal Corp
Priority to JP62236641A priority Critical patent/JP2590489B2/en
Publication of JPS6478711A publication Critical patent/JPS6478711A/en
Application granted granted Critical
Publication of JP2590489B2 publication Critical patent/JP2590489B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)

Abstract

PURPOSE:To prevent vibration and breakdown of a cutter by setting torsional angle of two twisted grooves differently. CONSTITUTION:Cutting chips produced through cutters 5, 5 go to the base side while scratching the wall section of twisted grooves 3, 4. Since twist angle (alpha) of one twist groove 3 is set higher than the twist angle (beta) of the other twist groove 4, cutting chips are subjected to higher frictional resistance when it go along the twist groove 3 than when it go along the twist groove 4. Since radial component of frictional resistance is higher in the twist groove 4 than in the twist groove 3, a tool body 1 can be pushed in radial direction and rotated thus enabling control of vibration. Consequently, vibration of the tool body 1 can be prevented and the cutter 5 can be protected from breaking.
JP62236641A 1987-09-21 1987-09-21 Twist drill Expired - Lifetime JP2590489B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62236641A JP2590489B2 (en) 1987-09-21 1987-09-21 Twist drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62236641A JP2590489B2 (en) 1987-09-21 1987-09-21 Twist drill

Publications (2)

Publication Number Publication Date
JPS6478711A true JPS6478711A (en) 1989-03-24
JP2590489B2 JP2590489B2 (en) 1997-03-12

Family

ID=17003634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62236641A Expired - Lifetime JP2590489B2 (en) 1987-09-21 1987-09-21 Twist drill

Country Status (1)

Country Link
JP (1) JP2590489B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010125881A1 (en) * 2009-04-27 2010-11-04 京セラ株式会社 Drill and method of cutting material to be cut using same
WO2013099326A1 (en) * 2011-12-28 2013-07-04 京セラ株式会社 Drill and method for manufacturing drilled product using same
WO2015030212A1 (en) * 2013-08-30 2015-03-05 株式会社タンガロイ Tool-edge exchangeable drill body and drill

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100601323B1 (en) 2004-11-25 2006-07-13 주식회사 비-코리아 An unsymmetrical twist drill

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63114808A (en) * 1986-10-31 1988-05-19 Izumo Sangyo Kk Drill

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63114808A (en) * 1986-10-31 1988-05-19 Izumo Sangyo Kk Drill

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010125881A1 (en) * 2009-04-27 2010-11-04 京セラ株式会社 Drill and method of cutting material to be cut using same
US8882411B2 (en) 2009-04-27 2014-11-11 Kyocera Corporation Drill and method of cutting workpiece using the same
WO2013099326A1 (en) * 2011-12-28 2013-07-04 京セラ株式会社 Drill and method for manufacturing drilled product using same
CN103998167A (en) * 2011-12-28 2014-08-20 京瓷株式会社 Drill and method for manufacturing drilled product using same
JPWO2013099326A1 (en) * 2011-12-28 2015-04-30 京セラ株式会社 Drill and method of manufacturing cut product using the same
CN103998167B (en) * 2011-12-28 2016-08-24 京瓷株式会社 Drill bit and use the manufacture method of machining thing of this drill bit
WO2015030212A1 (en) * 2013-08-30 2015-03-05 株式会社タンガロイ Tool-edge exchangeable drill body and drill

Also Published As

Publication number Publication date
JP2590489B2 (en) 1997-03-12

Similar Documents

Publication Publication Date Title
DE3570901D1 (en) Diamond drill bit with varied cutting elements
CA1285266C (en) Rotatable cutting bit
SE7907326L (en) CUTTING TOOLS WITH TIPS
TW231277B (en) Cutting insert
DE68907006D1 (en) ROTATING SLOTING TOOLS, CUTTING INSERTS AND ASSEMBLY METHOD OF USE IN THE TOOLS.
EP0334002A3 (en) Thread milling cutter
KR930003290B1 (en) Method of making drills, end mills and other rotating and cutting tools
SE8903057L (en) CUTTING TOOLS, SUCH AS DRILLS, BROCHERS, PIN CUTTERS AND D
JPS6478711A (en) Twist drill
DE58903392D1 (en) DRILLING TOOL, IN PARTICULAR METAL DRILL.
JPS6411703A (en) Twist drill
ATE93299T1 (en) MASONRY DRILL.
FR2540762B1 (en) CUTTING TOOL, AND ADDITIONAL CUTTING PIECE
AT385947B (en) CARBIDE BODY, IN PARTICULAR CARBIDE CUTTING TOOL
FR2298406A1 (en) Counterbore units for twist drill - has contoured cutters on chuck jaws to machine hole countersink
JPS55106710A (en) Drill
IT8519077A0 (en) TOOL FOR DRILLING AND BORING.
JPS5554112A (en) Single-edge drill
JPS57156110A (en) Drilling tool for eccentric rotary cutting
EP0205886A3 (en) Improvements in or relating to an end milling cutter
FR2427160A1 (en) Simultaneous drilling and countersinking tool - has detachable facing cutter mounted on drill bit shank by radial screws
Lehtihet Face Milling with Silicon Nitride-based Cutting Tools
GB913457A (en) Improvements in and relating to drills
EP0400921A3 (en) Drill bit assembly with concentric rotatable cutting elements and method of drilling
AU543784B2 (en) Drill bit with dispersed cutter inserts

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term
FPAY Renewal fee payment

Free format text: PAYMENT UNTIL: 20071219

Year of fee payment: 11