CN202137409U - 钨钢双直孔丸棒的内孔成型装置 - Google Patents
钨钢双直孔丸棒的内孔成型装置 Download PDFInfo
- Publication number
- CN202137409U CN202137409U CN201120204684U CN201120204684U CN202137409U CN 202137409 U CN202137409 U CN 202137409U CN 201120204684 U CN201120204684 U CN 201120204684U CN 201120204684 U CN201120204684 U CN 201120204684U CN 202137409 U CN202137409 U CN 202137409U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- drill
- tungsten steel
- shaped groove
- center
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 229910052721 tungsten Inorganic materials 0.000 title abstract 5
- 239000010937 tungsten Substances 0.000 title abstract 5
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 6
- 239000010432 diamond Substances 0.000 claims abstract description 6
- 238000005323 electroforming Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 2
- 238000003801 milling Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
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- Drilling Tools (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120204684U CN202137409U (zh) | 2011-06-17 | 2011-06-17 | 钨钢双直孔丸棒的内孔成型装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120204684U CN202137409U (zh) | 2011-06-17 | 2011-06-17 | 钨钢双直孔丸棒的内孔成型装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202137409U true CN202137409U (zh) | 2012-02-08 |
Family
ID=45548487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120204684U Expired - Lifetime CN202137409U (zh) | 2011-06-17 | 2011-06-17 | 钨钢双直孔丸棒的内孔成型装置 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202137409U (zh) |
-
2011
- 2011-06-17 CN CN201120204684U patent/CN202137409U/zh not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CB-CERATIZIT HARD ALLOY (XIAMEN) CO., LTD. Free format text: FORMER NAME: CHUNBAO MATERIAL TECHNOLOGY (XIAMEN) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Jimei Xinglin West District of Xiamen City, Fujian Province, No. 69 361000 Patentee after: Spring Baosenla days hard alloy (Xiamen) Co., Ltd. Address before: Jimei Xinglin West District of Xiamen City, Fujian Province, No. 69 361000 Patentee before: Chun Bao materials technology (Xiamen) Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |