JPH02142003U - - Google Patents
Info
- Publication number
- JPH02142003U JPH02142003U JP5092889U JP5092889U JPH02142003U JP H02142003 U JPH02142003 U JP H02142003U JP 5092889 U JP5092889 U JP 5092889U JP 5092889 U JP5092889 U JP 5092889U JP H02142003 U JPH02142003 U JP H02142003U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- tip
- injection molding
- opening
- molding machine
- 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
- 238000001746 injection moulding Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
Landscapes
- Producing Shaped Articles From Materials (AREA)
Description
第１図は実施例で使用したノズルの縦断面図、
第２図は第１図に示すノズルのＡ−Ａ矢視断面図
、第３図は実施例においてノズル位置と温度の関
係を示す説明図、第４図は実施例で用いた射出成
形システムを示す説明図、第５図は実施例で製造
された脱脂品の正面図、第６図は従来のオープン
ノズルの縦断面図、第７図はノズル口径の小さな
オープンノズルを用いて射出する状態を示す説明
図、第８図はノズル口径の大きなオープンノズル
を用いて射出する状態を示す説明図、第９図は第
８図において射出する場合のノズル内での流速分
布を示す説明図、第１０図は第９図に示すノズル
位置と温度の関係を示す説明図、第１１図は第９
図に示すノズル位置と流速の関係を示す説明図で
ある。
１……ノズル、１１……先端部、１２……先端
部の後方部、１３……後端部、２……流路、２２
……蜂の巣状流路、３……ノズル口、４……金型
、５……射出成形機、６……キヤビテイ、７……
真空ポンプ、８……セラミツク調合物、９……脱
脂品。
Figure 1 is a longitudinal cross-sectional view of the nozzle used in the example.
Figure 2 is a cross-sectional view taken along the line A-A of the nozzle shown in Figure 1, Figure 3 is an explanatory diagram showing the relationship between the nozzle position and temperature in the example, and Figure 4 shows the injection molding system used in the example. Fig. 5 is a front view of the degreased product manufactured in the example, Fig. 6 is a vertical cross-sectional view of a conventional open nozzle, and Fig. 7 shows the state of injection using an open nozzle with a small nozzle diameter. FIG. 8 is an explanatory diagram showing the state of injection using an open nozzle with a large nozzle diameter, FIG. 9 is an explanatory diagram showing the flow velocity distribution in the nozzle when injecting in FIG. The figure is an explanatory diagram showing the relationship between the nozzle position and temperature shown in Figure 9, and Figure 11 is an explanatory diagram showing the relationship between the nozzle position and temperature shown in Figure 9.
FIG. 3 is an explanatory diagram showing the relationship between the nozzle position and the flow velocity shown in the figure. DESCRIPTION OF SYMBOLS 1... Nozzle, 11... Tip part, 12... Rear part of tip part, 13... Rear end part, 2... Channel, 22
... Honeycomb flow path, 3 ... Nozzle opening, 4 ... Mold, 5 ... Injection molding machine, 6 ... Cavity, 7 ...
Vacuum pump, 8...ceramic compound, 9...degreasing product.
Claims (1)
ズルの先端部に連結する後方部の内部には、蜂の
巣状流路が形成され、該先端部のノズル口の直径
が５mm以上であり、該蜂の巣状流路の全横断面積
が上記先端部のノズル口の開口面積よりも大きい
ことを特徴とするセラミツク射出成形機用ノズル
。 In a nozzle for a ceramic injection molding machine, a honeycomb-shaped flow path is formed inside the rear portion connected to the tip of the nozzle, and the diameter of the nozzle opening at the tip is 5 mm or more; A nozzle for a ceramic injection molding machine, wherein the total cross-sectional area of the nozzle is larger than the opening area of the nozzle opening at the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5092889U JPH0533296Y2 (en) | 1989-04-30 | 1989-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5092889U JPH0533296Y2 (en) | 1989-04-30 | 1989-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02142003U true JPH02142003U (en) | 1990-11-30 |
| JPH0533296Y2 JPH0533296Y2 (en) | 1993-08-25 |
Family
ID=31569904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5092889U Expired - Lifetime JPH0533296Y2 (en) | 1989-04-30 | 1989-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0533296Y2 (en) |
-
1989
- 1989-04-30 JP JP5092889U patent/JPH0533296Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0533296Y2 (en) | 1993-08-25 |