CN2360195Y - 一种钻床用空心钻 - Google Patents

一种钻床用空心钻 Download PDF

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Publication number
CN2360195Y
CN2360195Y CN 98247427 CN98247427U CN2360195Y CN 2360195 Y CN2360195 Y CN 2360195Y CN 98247427 CN98247427 CN 98247427 CN 98247427 U CN98247427 U CN 98247427U CN 2360195 Y CN2360195 Y CN 2360195Y
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China
Prior art keywords
drill
hollow
post hole
drill bit
hollow garden
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Expired - Fee Related
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CN 98247427
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English (en)
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徐达君
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Individual
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Abstract

本实用新型公开了一种钻床用空心钻,包括钻身和钻头,该钻床用空心钻中间为空心圆柱形孔,钻头的顶端做成斜面,该斜面的斜面角a为0°—90°。空心圆柱孔由钻身空心圆柱孔和钻头空心圆柱孔组成。本实用新型适用于对纸张、塑料及橡胶等的钻孔。

Description

一种钻床用空心钻
本实用新型属于一种钻头,具体地说是一种钻床用空心钻。
目前,在钻床上多用实心钻来对纸张、塑料及橡胶等钻孔,而用这种实心钻出的产品边缘不光滑,影响产品的质量。
本实用新型的目的是针对上述不足,设计出一种中间为空心的钻床用空心钻。
为达到上述目的,本实用新型的技术方案为:一种钻床用空心钻,包括钻身和钻头,在该钻床用空心钻的中间为空心园柱孔,钻头的顶端做成斜面,该斜面的斜面角a为0°-90°。
本实用新型的优点;使钻出的钻孔边缘光滑,提高了产品质量,降低了产品成本,而且钻孔的速度也较快。
下面结合实施例和附图对本实用新型作进一步详细说明。
图1为本实用新型的结构示意图。
图2为本实用新型的A-A剖面图。
如图所示,本实用新型包括钻身2和钻头3,在该钻床用空心钻的中间为空心园柱孔1,钻头3的顶端做成斜面5、该斜面6的斜面角a角为30°钻头3的外径为5毫米。空心园柱孔1由钻身空心园柱孔4和钻头空心园柱孔5组成,钻身空心园柱孔4的直径大于钻头空心园柱孔5的直径,钻身空心园柱孔4位于钻头空心园柱孔5的上部。
本实用新型适用于对纸张、塑料及橡胶等的钻孔。

Claims (2)

1、一种钻床用空心钻,包括钻身和钻头,其特征在于该钻床用空心钻中间为空心园柱孔,钻头的顶端做成斜面,该斜面的斜面角a为0°-90°。
2、如权利要求1所述的一种钻床用空心钻,其特征在于空心园柱孔由钻身空心园柱孔和钻头空心园柱孔组成,钻身空心园柱孔的直径大于钻头空心园柱孔的直径,钻身空心园柱孔位于钻头空心园柱孔的上部。
CN 98247427 1998-12-26 1998-12-26 一种钻床用空心钻 Expired - Fee Related CN2360195Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 98247427 CN2360195Y (zh) 1998-12-26 1998-12-26 一种钻床用空心钻

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 98247427 CN2360195Y (zh) 1998-12-26 1998-12-26 一种钻床用空心钻

Publications (1)

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CN2360195Y true CN2360195Y (zh) 2000-01-26

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CN 98247427 Expired - Fee Related CN2360195Y (zh) 1998-12-26 1998-12-26 一种钻床用空心钻

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CN (1) CN2360195Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101821042B (zh) * 2007-09-06 2013-01-02 美克司株式会社 钻孔工具

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101821042B (zh) * 2007-09-06 2013-01-02 美克司株式会社 钻孔工具

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