JPH0135768Y2 - - Google Patents
Info
- Publication number
- JPH0135768Y2 JPH0135768Y2 JP4312084U JP4312084U JPH0135768Y2 JP H0135768 Y2 JPH0135768 Y2 JP H0135768Y2 JP 4312084 U JP4312084 U JP 4312084U JP 4312084 U JP4312084 U JP 4312084U JP H0135768 Y2 JPH0135768 Y2 JP H0135768Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- hard coating
- present
- strength
- gun drill
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000011282 treatment Methods 0.000 description 7
- 230000003746 surface roughness Effects 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000005488 sandblasting Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4312084U JPS60157113U (ja) | 1984-03-26 | 1984-03-26 | ガンドリル |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4312084U JPS60157113U (ja) | 1984-03-26 | 1984-03-26 | ガンドリル |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60157113U JPS60157113U (ja) | 1985-10-19 |
| JPH0135768Y2 true JPH0135768Y2 (OSRAM) | 1989-11-01 |
Family
ID=30554494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4312084U Granted JPS60157113U (ja) | 1984-03-26 | 1984-03-26 | ガンドリル |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60157113U (OSRAM) |
-
1984
- 1984-03-26 JP JP4312084U patent/JPS60157113U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60157113U (ja) | 1985-10-19 |
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