JPH0160761U - - Google Patents
Info
- Publication number
- JPH0160761U JPH0160761U JP15726687U JP15726687U JPH0160761U JP H0160761 U JPH0160761 U JP H0160761U JP 15726687 U JP15726687 U JP 15726687U JP 15726687 U JP15726687 U JP 15726687U JP H0160761 U JPH0160761 U JP H0160761U
- Authority
- JP
- Japan
- Prior art keywords
- valve means
- air supply
- mold cavity
- supply passage
- controls
- 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
- 238000005266 casting Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図は本考案に係る吸引鋳造装置の概念図、
第２図は従来の吸引鋳造装置の一部を示す略示図
、第３図は減圧特性を示すグラフである。
１…金型、２…真空ポンプ（真空源）、３…吸
引管、４…コンプレツサ、５…送気管、７…可変
バルブ（バルブ手段）、８…電子制御部。
Fig. 1 is a conceptual diagram of a suction casting device according to the present invention;
FIG. 2 is a schematic diagram showing a part of a conventional suction casting apparatus, and FIG. 3 is a graph showing pressure reduction characteristics. DESCRIPTION OF SYMBOLS 1... Mold, 2... Vacuum pump (vacuum source), 3... Suction pipe, 4... Compressor, 5... Air supply pipe, 7... Variable valve (valve means), 8... Electronic control section.
Claims (1)
の途中に送気通路を接続し、 該送気通路にコンプレツサから圧送される空気
の流量を変化させるバルブ手段を設け、さらに 該バルブ手段をプログラム制御するプログラム
制御部と前記金型キヤビテイ内の圧力に応じて前
記バルブ手段のプログラム操作量を制御するＰＩ
Ｄ部とを含む電子制御部を設けたことを特徴とす
る吸引鋳造装置。[Scope of Claim for Utility Model Registration] An air supply passage is connected in the middle of a suction passage connecting a mold cavity and a vacuum source, and a valve means is provided in the air supply passage to change the flow rate of air fed under pressure from a compressor. , further comprising a program control unit that programmatically controls the valve means, and a PI that controls the program operation amount of the valve means according to the pressure within the mold cavity.
A suction casting device characterized by being provided with an electronic control section including a D section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157266U JPH0646608Y2 (en) | 1987-10-14 | 1987-10-14 | Suction casting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987157266U JPH0646608Y2 (en) | 1987-10-14 | 1987-10-14 | Suction casting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0160761U true JPH0160761U (en) | 1989-04-18 |
| JPH0646608Y2 JPH0646608Y2 (en) | 1994-11-30 |
Family
ID=31436559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987157266U Expired - Lifetime JPH0646608Y2 (en) | 1987-10-14 | 1987-10-14 | Suction casting equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0646608Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199553A (en) * | 1984-10-19 | 1986-05-17 | Hitachi Metals Ltd | Method for controlling vacuum suction casting device |
-
1987
- 1987-10-14 JP JP1987157266U patent/JPH0646608Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6199553A (en) * | 1984-10-19 | 1986-05-17 | Hitachi Metals Ltd | Method for controlling vacuum suction casting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0646608Y2 (en) | 1994-11-30 |
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