JPS5791867A - Mold for casting lead-calcium type alloy grid body - Google Patents
Mold for casting lead-calcium type alloy grid bodyInfo
- Publication number
- JPS5791867A JPS5791867A JP16820780A JP16820780A JPS5791867A JP S5791867 A JPS5791867 A JP S5791867A JP 16820780 A JP16820780 A JP 16820780A JP 16820780 A JP16820780 A JP 16820780A JP S5791867 A JPS5791867 A JP S5791867A
- Authority
- JP
- Japan
- Prior art keywords
- grid body
- margins
- molds
- spray
- 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.)
- Granted
Links
Landscapes
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
PURPOSE: To minimize the change in the weight and thickness of a grid body by making the engraving margins of a grid body casting mold for lead storage batteries shallower than the desired thickness of the grid body.
CONSTITUTION: Spray margins for a lubricant are made equal for main bone parts and the surface part of molds, and the molds are engraved at such margins at which a grid body thinner by about 0.05mm than the desired thickness of the grid body is engrated. In addition, spray margins for the lubricant are provided only in the width direction in the bone parts in the grid body. For example, the design thickness of the grid body is set at about 1.40mm and the engraving depth of the molds is set at about (1.40-0.05)/2=0.675mm respectively on movable side and stationary side. An about 0.2mm spray margin is provided only in the width direction at the mating surfaces 2 of the molds 1. Then, despite continuous casting of a lead-calcium alloy, the gradual increase in the weight of the grid body in progression of casing of obviated.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16820780A JPS5791867A (en) | 1980-11-28 | 1980-11-28 | Mold for casting lead-calcium type alloy grid body |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16820780A JPS5791867A (en) | 1980-11-28 | 1980-11-28 | Mold for casting lead-calcium type alloy grid body |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5791867A true JPS5791867A (en) | 1982-06-08 |
JPS6157109B2 JPS6157109B2 (en) | 1986-12-05 |
Family
ID=15863768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16820780A Granted JPS5791867A (en) | 1980-11-28 | 1980-11-28 | Mold for casting lead-calcium type alloy grid body |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5791867A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57142760A (en) * | 1981-02-27 | 1982-09-03 | Shin Kobe Electric Mach Co Ltd | Mold for casting grid body for lead storage battery |
JPS6325252U (en) * | 1986-07-31 | 1988-02-19 |
-
1980
- 1980-11-28 JP JP16820780A patent/JPS5791867A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57142760A (en) * | 1981-02-27 | 1982-09-03 | Shin Kobe Electric Mach Co Ltd | Mold for casting grid body for lead storage battery |
JPS6325252U (en) * | 1986-07-31 | 1988-02-19 |
Also Published As
Publication number | Publication date |
---|---|
JPS6157109B2 (en) | 1986-12-05 |
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