CN1843654A - 一种提高轧制麻花钻使用寿命的方法 - Google Patents
一种提高轧制麻花钻使用寿命的方法 Download PDFInfo
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- CN1843654A CN1843654A CN 200510038841 CN200510038841A CN1843654A CN 1843654 A CN1843654 A CN 1843654A CN 200510038841 CN200510038841 CN 200510038841 CN 200510038841 A CN200510038841 A CN 200510038841A CN 1843654 A CN1843654 A CN 1843654A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 abstract description 12
- 238000005096 rolling process Methods 0.000 abstract 4
- 239000007788 liquid Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 8
- 238000005553 drilling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000012809 cooling fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
Description
槽尾半径(mm) | 芯厚增量比 | 端部芯厚量(mm) | 刃背宽度(mm) | 刃背直径(mm) | 横刃斜角 | 寿命(钻孔数) | ||
试验组 | 1 | R22 | 2.14∶100 | 0.85 | 2.50 | 3.99 | 55° | 110 |
2 | R22 | 2.00∶100 | 0.86 | 2.47 | 3.992 | 56° | 110 | |
3 | R22 | 2.2∶100 | 0.83 | 2.48 | 3.99 | 55° | 110 | |
对照组 | 1 | R10 | 1.86∶100 | 0.70 | 2.40 | 3.72 | 50° | 6 |
2 | R10 | 1.94∶100 | 0.68 | 2.42 | 3.80 | 48° | 17 | |
3 | R10 | 1.75∶100 | 0.73 | 2.38 | 3.76 | 52° | 22 |
槽尾半径(mm) | 芯厚增量比 | 端部芯厚量(mm) | 刃背宽度(mm) | 刃背直径(mm) | 横刃斜角 | 寿命(钻孔数) | ||
试验组 | 1 | R25 | 2.18∶100 | 1.19 | 3.73 | 5.985 | 55° | 110 |
2 | R25 | 2.25∶100 | 1.18 | 3.75 | 5.988 | 57° | 110 | |
3 | R25 | 2.11∶100 | 1.14 | 3.73 | 5.99 | 55° | 110 | |
对照组 | 1 | R12 | 1.66∶100 | 1.03 | 3.58 | 5.58 | 48° | 12 |
2 | R12 | 1.73∶100 | 1.00 | 3.60 | 5.60 | 50° | 17 | |
3 | R12 | 1.69∶100 | 1.02 | 3.58 | 5.65 | 49° | 7 |
槽尾半径(mm) | 芯厚增量比 | 端部芯厚量(mm) | 刃背宽度(mm) | 刃背直径(mm) | 横刃斜角 | 寿命(钻孔数) | ||
试验组 | 1 | R28 | 2.00∶100 | 1.51 | 5.03 | 7.985 | 55° | 110 |
2 | R28 | 2.18∶100 | 1.44 | 5.02 | 7.985 | 56° | 110 | |
3 | R28 | 2.13∶100 | 1.46 | 5.00 | 7.99 | 55° | 110 | |
对照组 | 1 | R14 | 1.80∶100 | 1.30 | 4.73 | 7.48 | 48° | 11 |
2 | R14 | 1.75∶100 | 1.38 | 4.75 | 7.50 | 52° | 19 | |
3 | R14 | 1.83∶100 | 1.29 | 4.70 | 4.45 | 47° | 15 |
槽尾半径(mm) | 芯厚增量比 | 端部芯厚量(mm) | 刃背宽度(mm) | 刃背直径(mm) | 横刃斜角 | 寿命(钻孔数) | ||
试验组 | 1 | R30 | 2.10∶100 | 1.74 | 5.90 | 9.92 | 55° | 110 |
2 | R30 | 2.02∶100 | 1.76 | 5.93 | 9.99 | 56° | 110 | |
3 | R30 | 2.00∶100 | 1.78 | 5.58 | 9.99 | 55° | 110 | |
对照组 | 1 | R15 | 1.61∶100 | 1.59 | 6.22 | 9.40 | 48° | 17 |
2 | R15 | 1.64∶100 | 1.63 | 6.20 | 9.45 | 50° | 22 | |
3 | R15 | 1.60∶100 | 1.60 | 6.27 | 9.50 | 47° | 16 |
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB2005100388412A CN100368115C (zh) | 2005-04-10 | 2005-04-10 | 一种提高轧制麻花钻使用寿命的方法 |
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CNB2005100388412A CN100368115C (zh) | 2005-04-10 | 2005-04-10 | 一种提高轧制麻花钻使用寿命的方法 |
Publications (2)
Publication Number | Publication Date |
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CN1843654A true CN1843654A (zh) | 2006-10-11 |
CN100368115C CN100368115C (zh) | 2008-02-13 |
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CNB2005100388412A Active CN100368115C (zh) | 2005-04-10 | 2005-04-10 | 一种提高轧制麻花钻使用寿命的方法 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101176930B (zh) * | 2007-11-30 | 2011-11-16 | 深圳市金洲精工科技股份有限公司 | 一种用于pcb板钻孔的微型钻头 |
CN103930227A (zh) * | 2011-07-11 | 2014-07-16 | 钴碳化钨硬质合金公司 | 多件式麻花钻头头部和包括其的麻花钻头 |
CN108057918A (zh) * | 2017-12-29 | 2018-05-22 | 广东工业大学 | 一种pcb微型钻头 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4968193A (en) * | 1986-08-18 | 1990-11-06 | Black & Decker Corporation | Self-centering drill bit with pilot tip |
US5622462A (en) * | 1995-04-11 | 1997-04-22 | Credo Tool Company | Twist drill bit |
JPH11510103A (ja) * | 1995-07-27 | 1999-09-07 | ラルフ・シー・メイズ | ドリルビット |
JP2002144125A (ja) * | 2000-08-31 | 2002-05-21 | Mitsubishi Materials Corp | 穴明け工具 |
US6601659B2 (en) * | 2001-05-17 | 2003-08-05 | Hilti Aktiengesellschaft | Twist drill |
DE20304580U1 (de) * | 2003-03-21 | 2004-08-12 | Gühring, Jörg, Dr. | Bohrer |
-
2005
- 2005-04-10 CN CNB2005100388412A patent/CN100368115C/zh active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101176930B (zh) * | 2007-11-30 | 2011-11-16 | 深圳市金洲精工科技股份有限公司 | 一种用于pcb板钻孔的微型钻头 |
CN103930227A (zh) * | 2011-07-11 | 2014-07-16 | 钴碳化钨硬质合金公司 | 多件式麻花钻头头部和包括其的麻花钻头 |
CN103930227B (zh) * | 2011-07-11 | 2016-10-12 | 钴碳化钨硬质合金公司 | 多件式麻花钻头头部和包括其的麻花钻头 |
CN108057918A (zh) * | 2017-12-29 | 2018-05-22 | 广东工业大学 | 一种pcb微型钻头 |
CN108057918B (zh) * | 2017-12-29 | 2024-05-24 | 广东工业大学 | 一种pcb微型钻头 |
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CN100368115C (zh) | 2008-02-13 |
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