JPH0535817B2 - - Google Patents
Info
- Publication number
- JPH0535817B2 JPH0535817B2 JP22338085A JP22338085A JPH0535817B2 JP H0535817 B2 JPH0535817 B2 JP H0535817B2 JP 22338085 A JP22338085 A JP 22338085A JP 22338085 A JP22338085 A JP 22338085A JP H0535817 B2 JPH0535817 B2 JP H0535817B2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- strength
- melting point
- point metal
- low melting
- 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 - Lifetime
Links
- 238000012360 testing method Methods 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 30
- 238000002844 melting Methods 0.000 claims description 29
- 239000002184 metal Substances 0.000 claims description 29
- 230000008018 melting Effects 0.000 claims description 27
- 239000000155 melt Substances 0.000 claims description 8
- 238000001816 cooling Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 239000012768 molten material Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims description 2
- 238000007711 solidification Methods 0.000 claims description 2
- 230000008023 solidification Effects 0.000 claims description 2
- 238000010583 slow cooling Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000010998 test method Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- -1 ed. Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22338085A JPS6282339A (ja) | 1985-10-07 | 1985-10-07 | ドリルの強度試験法および装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22338085A JPS6282339A (ja) | 1985-10-07 | 1985-10-07 | ドリルの強度試験法および装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6282339A JPS6282339A (ja) | 1987-04-15 |
| JPH0535817B2 true JPH0535817B2 (zh) | 1993-05-27 |
Family
ID=16797237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22338085A Granted JPS6282339A (ja) | 1985-10-07 | 1985-10-07 | ドリルの強度試験法および装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6282339A (zh) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728175B (zh) * | 2014-01-06 | 2016-01-06 | 西南石油大学 | 一种钻井岩石力学多参数测试装置 |
| CN106053274B (zh) * | 2016-05-17 | 2019-11-29 | 西南石油大学 | 一种岩石研磨性参数和金属耐磨性参数测试装置 |
| CN110146275B (zh) * | 2019-06-13 | 2020-09-29 | 陈烁 | 手电钻钻头钻进性能测试装置 |
-
1985
- 1985-10-07 JP JP22338085A patent/JPS6282339A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6282339A (ja) | 1987-04-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |