JPS6113215Y2 - - Google Patents
Info
- Publication number
- JPS6113215Y2 JPS6113215Y2 JP6777082U JP6777082U JPS6113215Y2 JP S6113215 Y2 JPS6113215 Y2 JP S6113215Y2 JP 6777082 U JP6777082 U JP 6777082U JP 6777082 U JP6777082 U JP 6777082U JP S6113215 Y2 JPS6113215 Y2 JP S6113215Y2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- margin
- present
- back taper
- 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.)
- Expired
Links
- 238000005553 drilling Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 229910000676 Si alloy Inorganic materials 0.000 claims description 7
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003365 glass fiber Substances 0.000 claims description 7
- 229910001366 Hypereutectic aluminum Inorganic materials 0.000 claims description 6
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6777082U JPS58169909U (ja) | 1982-05-10 | 1982-05-10 | 難削材穴あけ用ドリル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6777082U JPS58169909U (ja) | 1982-05-10 | 1982-05-10 | 難削材穴あけ用ドリル |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58169909U JPS58169909U (ja) | 1983-11-12 |
| JPS6113215Y2 true JPS6113215Y2 (cg-RX-API-DMAC7.html) | 1986-04-24 |
Family
ID=30077580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6777082U Granted JPS58169909U (ja) | 1982-05-10 | 1982-05-10 | 難削材穴あけ用ドリル |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58169909U (cg-RX-API-DMAC7.html) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5846683B2 (ja) * | 2011-09-30 | 2016-01-20 | 住友電工ハードメタル株式会社 | Ｆｒｐと金属の重ね板加工用ドリル |
-
1982
- 1982-05-10 JP JP6777082U patent/JPS58169909U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58169909U (ja) | 1983-11-12 |
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