JPS572804A - Production of cutter tip - Google Patents
Production of cutter tipInfo
- Publication number
- JPS572804A JPS572804A JP7673580A JP7673580A JPS572804A JP S572804 A JPS572804 A JP S572804A JP 7673580 A JP7673580 A JP 7673580A JP 7673580 A JP7673580 A JP 7673580A JP S572804 A JPS572804 A JP S572804A
- Authority
- JP
- Japan
- Prior art keywords
- blade edge
- edge end
- tip
- superhard alloy
- mold
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/285—Teeth characterised by the material used
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
PURPOSE: To economically produce a tip of superior excavating performance and durability by coating superhard alloy powder on the blade edge end or the part that serves as an excavating surface of the blade edge end of a tip in a mold for cutter tips then pouring base casting steel into the mold.
CONSTITUTION: Superhard alloy powder is disposed only on the blade edge end of the cutter tip in a mold for cutter tips or the part that serves as an excavating surface 1 at the blade edge end, after which cast steel which is an ordinary base material 2 is poured and is hardened by sintering to simultaneously cast the excavating surface 1 for the blade edge end of the superhard alloy and the base material 2, thereby manufacturing the cutter tip. This method is a so-called metal clad casting method, whereby the fracture at the blade edge can be prevented because the surface 1 harder than bedrock is supported by the material 2 which is softer and more ductile than the same. Since there is no need for heat treatment and machining and just a small amount of superhard alloy is required, this method is economical.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7673580A JPS572804A (en) | 1980-06-09 | 1980-06-09 | Production of cutter tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7673580A JPS572804A (en) | 1980-06-09 | 1980-06-09 | Production of cutter tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS572804A true JPS572804A (en) | 1982-01-08 |
Family
ID=13613838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7673580A Pending JPS572804A (en) | 1980-06-09 | 1980-06-09 | Production of cutter tip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS572804A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5081774A (en) * | 1988-12-27 | 1992-01-21 | Sumitomo Heavy Industries Foundry & Forging Co., Ltd. | Composite excavating tooth |
| CN104801714A (en) * | 2015-03-24 | 2015-07-29 | 青岛科技大学 | Manufacturing method of gas cutting opening |
| CN106040997A (en) * | 2016-08-16 | 2016-10-26 | 宁波吉威熔模铸造有限公司 | Precise casting technology for wear-resisting metal component |
-
1980
- 1980-06-09 JP JP7673580A patent/JPS572804A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5081774A (en) * | 1988-12-27 | 1992-01-21 | Sumitomo Heavy Industries Foundry & Forging Co., Ltd. | Composite excavating tooth |
| CN104801714A (en) * | 2015-03-24 | 2015-07-29 | 青岛科技大学 | Manufacturing method of gas cutting opening |
| CN106040997A (en) * | 2016-08-16 | 2016-10-26 | 宁波吉威熔模铸造有限公司 | Precise casting technology for wear-resisting metal component |
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