JPH0331055U - - Google Patents
Info
- Publication number
- JPH0331055U JPH0331055U JP9200589U JP9200589U JPH0331055U JP H0331055 U JPH0331055 U JP H0331055U JP 9200589 U JP9200589 U JP 9200589U JP 9200589 U JP9200589 U JP 9200589U JP H0331055 U JPH0331055 U JP H0331055U
- Authority
- JP
- Japan
- Prior art keywords
- piston ring
- injection device
- casting machine
- die
- piston
- 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
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000004512 die casting Methods 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims 2
- 239000000919 ceramic Substances 0.000 claims 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims 2
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 238000005452 bending Methods 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案に係るダイカスト用射出装置を
構成する射出ピストンとピストンリングとプラン
ジヤスリーブとの斜視説明図、第２図は当該射出
装置の一部縦断説明図、第３図ａ乃至ｄは本実施
例に用いられているピストンリングとともに実験
に使用された他の形状のピストンリングの斜視図
、第４図は当該ピストンリングおよび第３図ａ乃
至ｄに示すピストンリングを用いて実験を行う際
に使用された装置の一部縦断説明図である。
１０……射出装置、１４……溶湯、２２……プ
ランジヤスリーブ、３４……射出ピストン、３８
……周溝、４０……ピストンリング、４２……分
離部位、５０……金型装置。
Fig. 1 is a perspective explanatory view of an injection piston, piston ring, and plunger sleeve constituting an injection device for die casting according to the present invention, Fig. 2 is a partial longitudinal sectional view of the injection device, and Figs. FIG. 4 is a perspective view of a piston ring of another shape used in the experiment together with the piston ring used in this example. Experiments were conducted using the piston ring and the piston rings shown in FIGS. FIG. 2 is a partial longitudinal cross-sectional view of the device used at the time. 10... Injection device, 14... Molten metal, 22... Plunger sleeve, 34... Injection piston, 38
... Circumferential groove, 40 ... Piston ring, 42 ... Separation part, 50 ... Mold device.
Claims (1)
圧入するホツトチヤンバ型ダイカストマシン用射
出装置であつて、 プランジヤスリーブ内を摺動変位する射出ピス
トンの外周にピストンリングを外装させ、 前記ピストンリングは８０Kg・ｆ／mm2以上の
曲げ強度を有する窒化珪素系のセラミツクスで形
成され、且つ断面矩形状を呈し１個所に分離部位
が設けられたことを特徴とするダイカストマシン
用射出装置。 (2) 請求項１記載の装置において、プランジヤ
スリーブは少なくともピストンリングが実質的に
摺動する部位を窒化珪素系または硼化物系セラミ
ツクスで形成されたことを特徴とするダイカスト
マシン用射出装置。[Claims for Utility Model Registration] (1) An injection device for a hot chamber die-casting machine that presses molten aluminum alloy into a mold device, which includes a piston ring on the outer periphery of an injection piston that slides inside a plunger sleeve. A die casting machine, characterized in that the piston ring is made of silicon nitride-based ceramics having a bending strength of 80 kg·f/mm 2 or more, has a rectangular cross section, and is provided with a separation part at one location. injection device. (2) The injection device for a die-casting machine according to claim 1, wherein at least a portion of the plunger sleeve on which the piston ring substantially slides is formed of silicon nitride-based or boride-based ceramics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9200589U JPH0331055U (en) | 1989-08-04 | 1989-08-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9200589U JPH0331055U (en) | 1989-08-04 | 1989-08-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0331055U true JPH0331055U (en) | 1991-03-26 |
Family
ID=31641454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9200589U Pending JPH0331055U (en) | 1989-08-04 | 1989-08-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331055U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623360A (en) * | 1979-08-01 | 1981-03-05 | Toshiba Mach Co Ltd | Injection pump for molten aluminum |
| JPS6316847A (en) * | 1986-07-09 | 1988-01-23 | Toshiba Mach Co Ltd | Structural body for pouring pump |
-
1989
- 1989-08-04 JP JP9200589U patent/JPH0331055U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623360A (en) * | 1979-08-01 | 1981-03-05 | Toshiba Mach Co Ltd | Injection pump for molten aluminum |
| JPS6316847A (en) * | 1986-07-09 | 1988-01-23 | Toshiba Mach Co Ltd | Structural body for pouring pump |
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