JPS5750268A - Method for breaking ingate and mending trace for ingate of ball for grinding - Google Patents
Method for breaking ingate and mending trace for ingate of ball for grindingInfo
- Publication number
- JPS5750268A JPS5750268A JP12609280A JP12609280A JPS5750268A JP S5750268 A JPS5750268 A JP S5750268A JP 12609280 A JP12609280 A JP 12609280A JP 12609280 A JP12609280 A JP 12609280A JP S5750268 A JPS5750268 A JP S5750268A
- Authority
- JP
- Japan
- Prior art keywords
- balls
- grinding
- ingate
- ingates
- traces
- 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
Landscapes
- Crushing And Grinding (AREA)
Abstract
PURPOSE: To break ingates and to mend the traces for ingates of cast balls for grinding without requiring the operator's labor by charging said balls together with auxiliary balls into a cooling drum.
CONSTITUTION: Grinding balls 1 cast with a casting device 2 are charged in a cooling drum 4 in the state of high temp. after disassembling of flasks. At this time, auxiliary balls 6 of diameters larger than those of the balls 1 are mixed with the balls for grinding. In the drum 4, the balls 1 collide against themselves and the balls 6 to each other, by which the ingates of the balls 1 are broken. At this same intant, the traces for the ingates are also broken off by the mutual collision and their projecting parts are removed, whereby said traces are mended.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12609280A JPS5750268A (en) | 1980-09-12 | 1980-09-12 | Method for breaking ingate and mending trace for ingate of ball for grinding |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12609280A JPS5750268A (en) | 1980-09-12 | 1980-09-12 | Method for breaking ingate and mending trace for ingate of ball for grinding |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5750268A true JPS5750268A (en) | 1982-03-24 |
Family
ID=14926400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12609280A Pending JPS5750268A (en) | 1980-09-12 | 1980-09-12 | Method for breaking ingate and mending trace for ingate of ball for grinding |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5750268A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5513689A (en) * | 1995-02-14 | 1996-05-07 | Bismuth Cartridge, L.L.C. | Method of manufacturing bismuth shot |
US5632322A (en) * | 1995-07-31 | 1997-05-27 | Trickel; Jerry E. | Die casting apparatus for casting small parts from materials that expand when transitioning from the liquid to the solid state |
-
1980
- 1980-09-12 JP JP12609280A patent/JPS5750268A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5513689A (en) * | 1995-02-14 | 1996-05-07 | Bismuth Cartridge, L.L.C. | Method of manufacturing bismuth shot |
WO1996025642A1 (en) * | 1995-02-14 | 1996-08-22 | Bismuth Cartridge, L.L.C. | Method of manufacturing shot |
US5632322A (en) * | 1995-07-31 | 1997-05-27 | Trickel; Jerry E. | Die casting apparatus for casting small parts from materials that expand when transitioning from the liquid to the solid state |
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