JPS5619937A - Hydraulic expanding jig for heat exchanging tube - Google Patents
Hydraulic expanding jig for heat exchanging tubeInfo
- Publication number
- JPS5619937A JPS5619937A JP9564379A JP9564379A JPS5619937A JP S5619937 A JPS5619937 A JP S5619937A JP 9564379 A JP9564379 A JP 9564379A JP 9564379 A JP9564379 A JP 9564379A JP S5619937 A JPS5619937 A JP S5619937A
- Authority
- JP
- Japan
- Prior art keywords
- jig
- tube
- tubes
- heat exchanging
- screw
- 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
- Metal Extraction Processes (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
PURPOSE: To provide a jig which makes it possible to expand a large size heat exchanging tube and to fix the tube to fins at a low cost, by constituting the jig in such a manner that special chucks are attached to a hollow expanding jig, which can be inserted and fitted to the end of a tube to be expanded, by a hydraulic pressure, and that the jig body is fixed to the tube with said chucks.
CONSTITUTION: In a jig described in the title which can expand heat exchanging tubes by pressing a liquid into the tubes so as to fix the tubes to fins, a screw 12 and steps 14, 15 are formed on the hollow jig body 1 which can be inserted and fixed to the end of a tube (a), and the jig is supported by threading the screw 23 built in the base of a chuck body 2 having plural chucks 22 with the screw 12, and the pressure nipping portion 24 at the top end of the chuck body 2 is connected to the small diameter step 15 of the tube (a) by pressure sliding a sleeve 3 by pressing tool 4 the sleeve 3 which fits to the oblique outer surface 26 of the chuck, hereby the jig is fixed to the tube (a). Tubes are expanded by pressing high pressure fluid through said jig 1 into the tubes (a). This jig is suitable for expanding large size heat exchanging tube which is manufactured in short production run and which mechanical expanding method is hardly applied to.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54095643A JPS5916534B2 (en) | 1979-07-26 | 1979-07-26 | Hydraulic tube expansion jig for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP54095643A JPS5916534B2 (en) | 1979-07-26 | 1979-07-26 | Hydraulic tube expansion jig for heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5619937A true JPS5619937A (en) | 1981-02-25 |
| JPS5916534B2 JPS5916534B2 (en) | 1984-04-16 |
Family
ID=14143181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54095643A Expired JPS5916534B2 (en) | 1979-07-26 | 1979-07-26 | Hydraulic tube expansion jig for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5916534B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55142753A (en) * | 1979-04-20 | 1980-11-07 | Toray Monofilament Co | Synthetic fiber monofilament net |
| JPS5756556A (en) * | 1980-09-22 | 1982-04-05 | Toray Monofilament Co | Production of net |
| JPS6034332U (en) * | 1983-08-12 | 1985-03-08 | 京進工業株式会社 | Chucking device for hydraulic ball expansion |
-
1979
- 1979-07-26 JP JP54095643A patent/JPS5916534B2/en not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55142753A (en) * | 1979-04-20 | 1980-11-07 | Toray Monofilament Co | Synthetic fiber monofilament net |
| JPS6152259B2 (en) * | 1979-04-20 | 1986-11-12 | Tore Monofilament Kk | |
| JPS5756556A (en) * | 1980-09-22 | 1982-04-05 | Toray Monofilament Co | Production of net |
| JPS6366936B2 (en) * | 1980-09-22 | 1988-12-22 | Tore Monofilament Kk | |
| JPS6034332U (en) * | 1983-08-12 | 1985-03-08 | 京進工業株式会社 | Chucking device for hydraulic ball expansion |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5916534B2 (en) | 1984-04-16 |
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