JPS57132903A - Method and device for drilling - Google Patents

Method and device for drilling

Info

Publication number
JPS57132903A
JPS57132903A JP1929581A JP1929581A JPS57132903A JP S57132903 A JPS57132903 A JP S57132903A JP 1929581 A JP1929581 A JP 1929581A JP 1929581 A JP1929581 A JP 1929581A JP S57132903 A JPS57132903 A JP S57132903A
Authority
JP
Japan
Prior art keywords
drill
hole
flange
burr
drilling
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
JP1929581A
Other languages
Japanese (ja)
Inventor
Kokichi Ideta
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.)
IDETA SEISAKUSHO KK
Original Assignee
IDETA SEISAKUSHO KK
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 IDETA SEISAKUSHO KK filed Critical IDETA SEISAKUSHO KK
Priority to JP1929581A priority Critical patent/JPS57132903A/en
Publication of JPS57132903A publication Critical patent/JPS57132903A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)

Abstract

PURPOSE:To prevent burr from being made on the lower edge of a through drilled hole, by keeping the drilled part in tight contact with a work holding block by a drill the drilling. CONSTITUTION:Each drill 4 is moved down through a drill bushing 12 while the drill is rotated, to make a through hole A1 in the flange (machine part) F of a piston (work) P and make a blind hole A2 in each work holding block 16. During the drilling, the bottom of the flange F is kept in tight contact with the top of the work holding block 16 by the weight of the piston P and the pushing force of the drill 4 so that a clearance into which burr could be protruded is never made between the flange and the block. Therefore, no burr is made on the lower edge of the through hole A1.
JP1929581A 1981-02-12 1981-02-12 Method and device for drilling Pending JPS57132903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1929581A JPS57132903A (en) 1981-02-12 1981-02-12 Method and device for drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1929581A JPS57132903A (en) 1981-02-12 1981-02-12 Method and device for drilling

Publications (1)

Publication Number Publication Date
JPS57132903A true JPS57132903A (en) 1982-08-17

Family

ID=11995431

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1929581A Pending JPS57132903A (en) 1981-02-12 1981-02-12 Method and device for drilling

Country Status (1)

Country Link
JP (1) JPS57132903A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104625140A (en) * 2014-12-16 2015-05-20 泉州市泉永机械发展有限公司 Scratch-free boring technique for chain piece

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104625140A (en) * 2014-12-16 2015-05-20 泉州市泉永机械发展有限公司 Scratch-free boring technique for chain piece

Similar Documents

Publication Publication Date Title
NO163640C (en) DEVICE FOR SIGNALING IN A DRILL HOLE DURING DRILLING.
ATE46467T1 (en) DEEP DRILLING MACHINE.
JPS57132903A (en) Method and device for drilling
GB1083695A (en) Device on a drilling machine for the accurate guiding of the drill
JPS57500056A (en)
EP0430228A3 (en) Drilling machine
GR73562B (en)
CA2091529A1 (en) Directional Drilling Apparatus
EP0245604A3 (en) Method for drilling deep holes in a work piece
GB9022508D0 (en) Apparatus with floating tool for drilling,boring,flaring and the like at a set depth using jigs
JPS5355595A (en) Method for avoiding chip scattering and electric drill therefor
DE2962961D1 (en) Centering and drilling device with retractable bushing for a drill
JPS57132907A (en) Drilling equipment
CN216881863U (en) Hollow drilling clamp
JPS55107414A (en) Pick-up elevator in automatic pick-up machine
DE3228261A1 (en) METHOD AND DEVICE FOR CHANGING THE DIRECTION OF A HOLE
JPS51134993A (en) Drilling device
JPS578007A (en) Drilling device for print base plate
KR0140227Y1 (en) Punch unit
ATE38419T1 (en) DEVICE FOR LUBRICATION OF A SPINDLE THREAD.
JPS57205009A (en) Hole drilling process for printed board
JPS56145021A (en) Aligning device
KR930003428Y1 (en) Champering device
JPS5284837A (en) Device for fitting driving components of automatic door
JPS54157390A (en) Method and device for drilling holes whose openings are not circular