CN109715323A - 硬质合金印制电路板的多刃钻头 - Google Patents

硬质合金印制电路板的多刃钻头 Download PDF

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Publication number
CN109715323A
CN109715323A CN201780004370.4A CN201780004370A CN109715323A CN 109715323 A CN109715323 A CN 109715323A CN 201780004370 A CN201780004370 A CN 201780004370A CN 109715323 A CN109715323 A CN 109715323A
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CN
China
Prior art keywords
drill bit
cutting
circuit board
printed circuit
hard alloy
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
CN201780004370.4A
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English (en)
Inventor
王季顺
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.)
Shanghai Well Sun Precision Tools Co ltd
Original Assignee
Shanghai Well Sun Precision Tools Co 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 Shanghai Well Sun Precision Tools Co ltd filed Critical Shanghai Well Sun Precision Tools Co ltd
Publication of CN109715323A publication Critical patent/CN109715323A/zh
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling Tools (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

公开了一种用于印制电路板的钻头，尤其公开了一种硬质合金印制电路板的多刃钻头。该钻头包括钻柄(1)和刃部(2)，刃部包括叶宽刀刃(3)，每条叶宽刀刃在宽度方向开设至少一个沟槽(4)，沟槽顶部构成刃口。该钻头能提高钻孔质量。

Description

PCT国内申请，说明书已公开。

Claims (4)

  1. PCT国内申请，权利要求书已公开。
CN201780004370.4A 2017-04-25 2017-04-25 硬质合金印制电路板的多刃钻头 Pending CN109715323A (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/081810 WO2018195758A1 (zh) 2017-04-25 2017-04-25 硬质合金印制电路板的多刃钻头

Publications (1)

Publication Number Publication Date
CN109715323A true CN109715323A (zh) 2019-05-03

Family

ID=63918185

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780004370.4A Pending CN109715323A (zh) 2017-04-25 2017-04-25 硬质合金印制电路板的多刃钻头

Country Status (2)

Country Link
CN (1) CN109715323A (zh)
WO (1) WO2018195758A1 (zh)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667857A (en) * 1970-10-30 1972-06-06 Nat Twist Drill & Tool Co Combined drill and reamer construction
JP2001018106A (ja) * 1999-07-06 2001-01-23 Mitsubishi Materials Corp 穴明け工具
DE10144241A1 (de) * 2001-09-04 2003-04-10 Miller Gmbh Praez Swerkzeuge Bohrer
CN102649176A (zh) * 2011-02-27 2012-08-29 钴碳化钨硬质合金公司 复合式钻铰复合刀具
CN102950314A (zh) * 2012-11-21 2013-03-06 大连经济技术开发区伊达工具有限公司 一种合金钻铰刀
CN206653007U (zh) * 2017-04-25 2017-11-21 上海惠而顺精密工具股份有限公司 硬质合金印制电路板的多刃钻头

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308478A1 (de) * 1982-03-17 1983-09-29 Uwe 7717 Immendingen Reich Schaftfraeser
CN105312636A (zh) * 2015-04-27 2016-02-10 洛阳辰祥机械科技有限公司 一种pcb板用双排屑渠道的钻头

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667857A (en) * 1970-10-30 1972-06-06 Nat Twist Drill & Tool Co Combined drill and reamer construction
JP2001018106A (ja) * 1999-07-06 2001-01-23 Mitsubishi Materials Corp 穴明け工具
DE10144241A1 (de) * 2001-09-04 2003-04-10 Miller Gmbh Praez Swerkzeuge Bohrer
CN102649176A (zh) * 2011-02-27 2012-08-29 钴碳化钨硬质合金公司 复合式钻铰复合刀具
CN102950314A (zh) * 2012-11-21 2013-03-06 大连经济技术开发区伊达工具有限公司 一种合金钻铰刀
CN206653007U (zh) * 2017-04-25 2017-11-21 上海惠而顺精密工具股份有限公司 硬质合金印制电路板的多刃钻头

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Publication number Publication date
WO2018195758A1 (zh) 2018-11-01

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SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
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Application publication date: 20190503