JPS54117354A - Multi-process thread rolling method for screw and its dies - Google Patents
Multi-process thread rolling method for screw and its diesInfo
- Publication number
- JPS54117354A JPS54117354A JP2453478A JP2453478A JPS54117354A JP S54117354 A JPS54117354 A JP S54117354A JP 2453478 A JP2453478 A JP 2453478A JP 2453478 A JP2453478 A JP 2453478A JP S54117354 A JPS54117354 A JP S54117354A
- Authority
- JP
- Japan
- Prior art keywords
- dies
- teeth
- thread rolling
- roller dies
- 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
- Forging (AREA)
- Transmission Devices (AREA)
- Metal Rolling (AREA)
Abstract
PURPOSE: To make possible the efficient titled thread rolling for a screw without necessity of long hours like as the conventional method, at the thread rolling of a complexed shape, by treating with the free thread rolling roller dies consisting of multi-process.
CONSTITUTION: The required number of teeth are indexed on the outer surface of the blank by the first process dies, and the lead groove is formed; after that, the required product profile is generated by the second process dies. When the number of teeth of the product is taken as (n), similarly its pitch circle radius as rp, the number of teeth of the second process roller dies as N, and its pitch circle radius as kp, the number of teeth N is determined by the formula (RP/N2≈rp/n), in which RP is selected from the specified range. Next, the profile of each of the second process roller dies and the first process roller dies (including the determination of number of teeth), is successively determined depending on the separate formula and procedure. In the second process, required times of process are repeated by plural sets of roller dies, and the profile of the product is formed. According to this method, the titled screw can be more simply and efficiently thread rolled as compared with the conventional method of cutting work.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2453478A JPS54117354A (en) | 1978-03-06 | 1978-03-06 | Multi-process thread rolling method for screw and its dies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2453478A JPS54117354A (en) | 1978-03-06 | 1978-03-06 | Multi-process thread rolling method for screw and its dies |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS54117354A true JPS54117354A (en) | 1979-09-12 |
JPS6150698B2 JPS6150698B2 (en) | 1986-11-05 |
Family
ID=12140813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2453478A Granted JPS54117354A (en) | 1978-03-06 | 1978-03-06 | Multi-process thread rolling method for screw and its dies |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54117354A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108907046A (en) * | 2016-12-13 | 2018-11-30 | 上海泛华紧固***有限公司 | A kind of rolled tube Screw thread process method, milled head, equipment, module, production line and products thereof |
-
1978
- 1978-03-06 JP JP2453478A patent/JPS54117354A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108907046A (en) * | 2016-12-13 | 2018-11-30 | 上海泛华紧固***有限公司 | A kind of rolled tube Screw thread process method, milled head, equipment, module, production line and products thereof |
Also Published As
Publication number | Publication date |
---|---|
JPS6150698B2 (en) | 1986-11-05 |
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