JPH03129434U - - Google Patents
Info
- Publication number
- JPH03129434U JPH03129434U JP1990039160U JP3916090U JPH03129434U JP H03129434 U JPH03129434 U JP H03129434U JP 1990039160 U JP1990039160 U JP 1990039160U JP 3916090 U JP3916090 U JP 3916090U JP H03129434 U JPH03129434 U JP H03129434U
- Authority
- JP
- Japan
- Prior art keywords
- screw
- key
- spline groove
- split
- extruder
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/64—Screws with two or more threads
- B29C48/645—Screws with two or more threads neighbouring threads and channels having identical configurations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/535—Screws with thread pitch varying along the longitudinal axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
第１図は本考案の実施例を示す分割型スクリユ
を有する二軸押出機の側断面図、第２図、第３図
及び第４図は本考案の実施例を示す分割型スクリ
ユの夫々端面からみた断面図、第５図は本考案と
従来における応力−歪線図、第６図は本考案と従
来における応力とトルクの関係を示す線図、第７
図、第８図及び第９図は夫々従来のスクリユとス
クリユ軸との結合状態を示す断面図である。 図の主要部分の説明、１……スクリユ軸、２…
…分割型スクリユ、２ａ……スプラインの高靭性
部、２ｂ……スプラインの高硬度・耐摩耗部、３
……シリンダ。
を有する二軸押出機の側断面図、第２図、第３図
及び第４図は本考案の実施例を示す分割型スクリ
ユの夫々端面からみた断面図、第５図は本考案と
従来における応力−歪線図、第６図は本考案と従
来における応力とトルクの関係を示す線図、第７
図、第８図及び第９図は夫々従来のスクリユとス
クリユ軸との結合状態を示す断面図である。 図の主要部分の説明、１……スクリユ軸、２…
…分割型スクリユ、２ａ……スプラインの高靭性
部、２ｂ……スプラインの高硬度・耐摩耗部、３
……シリンダ。
Claims (1)
- 分割型のスクリユを有し、同スクリユとスクリ
ユ軸がキー又はスプライン溝を介して結合する押
出機用スクリユにおいて、前記キー又はスプライ
ン溝部を含む内周側を高靭性材とし、スクリユの
山谷面（外周）側を高硬度・耐摩耗材としたこと
を特徴とする分割型押出機用スクリユ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990039160U JPH03129434U (ja) | 1990-04-12 | 1990-04-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990039160U JPH03129434U (ja) | 1990-04-12 | 1990-04-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03129434U true JPH03129434U (ja) | 1991-12-26 |
Family
ID=31547821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990039160U Pending JPH03129434U (ja) | 1990-04-12 | 1990-04-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03129434U (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180078704A (ko) * | 2016-12-30 | 2018-07-10 | 대구대학교 산학협력단 | 다른 침대로 환자를 자동 이송시키는 의료용 침대 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5933622U (ja) * | 1982-08-26 | 1984-03-01 | 松下電工株式会社 | 照明器具の自在器 |
| JPS62218010A (ja) * | 1986-03-19 | 1987-09-25 | Mitsubishi Metal Corp | 超硬ドリル |
| JPH01214306A (ja) * | 1987-12-31 | 1989-08-28 | Christoph Dr Paetzold | 歯ブラシ |
-
1990
- 1990-04-12 JP JP1990039160U patent/JPH03129434U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5933622U (ja) * | 1982-08-26 | 1984-03-01 | 松下電工株式会社 | 照明器具の自在器 |
| JPS62218010A (ja) * | 1986-03-19 | 1987-09-25 | Mitsubishi Metal Corp | 超硬ドリル |
| JPH01214306A (ja) * | 1987-12-31 | 1989-08-28 | Christoph Dr Paetzold | 歯ブラシ |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180078704A (ko) * | 2016-12-30 | 2018-07-10 | 대구대학교 산학협력단 | 다른 침대로 환자를 자동 이송시키는 의료용 침대 |