CN105755265A - Dividing head worm heat treatment process - Google Patents
Dividing head worm heat treatment process Download PDFInfo
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- CN105755265A CN105755265A CN201410761253.0A CN201410761253A CN105755265A CN 105755265 A CN105755265 A CN 105755265A CN 201410761253 A CN201410761253 A CN 201410761253A CN 105755265 A CN105755265 A CN 105755265A
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- carburizing
- cooling
- tempering
- machining
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Abstract
The invention discloses a dividing head worm heat treatment process, which is characterized by including: 1) a technological procedure, which consists of: blanking, forging, normalizing, machining, carburizing, machining, quenching, tempering and machining; 2) technological requirements: (1) normalizing: conducting heat preservation in 900-920DEG C salt bath for 1-1.5h, and performing furnace discharge air cooling; (2) carburizing: carrying out gas carburizing in a pit type carburizing furnace at 910-930DEG C for 4-5h, at the end of carburizing, subjecting the workpiece to furnace cooling to about 840-860DEG C, and placing the workpiece in a protective atmosphere cooling barrel to conduct cooling; (3) quenching: performing local heating in 830-850DEG C salt bath, conducting heat preservation for 5-6min, and then carrying out oil cooling; (4) tempering: tempering a worm in a 180-220DEG C nitrate solution, conducting heat preservation for 2h, and then performing furnace discharge air cooling. The heat treatment process provided by the invention is simple, omits many repetitive procedures, improves the work efficiency, can improve all performance of the worm, increases its service life, and enhances its market competitiveness.
Description
Technical field
The present invention relates to a kind of dividing head worm screw Technology for Heating Processing.
Background technology
Worm screw refers to have one or several helical tooth, and engages with worm gear and form the gear of gear pair with non-parallel.Its reference surface can be the face of cylinder, taper seat or anchor ring.Worm screw Technology for Heating Processing is complicated at present, not unified standard, and the worm screw quality causing production is uneven, and a lot of operations that repeat also make under production efficiency, increases the work burden of workman, makes the competitiveness of product in market the highest simultaneously.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of dividing head worm screw Technology for Heating Processing, and this Technology for Heating Processing is simple, eliminates a lot of repeatability operation, improves work efficiency.The performance of worm screw each side can be improved, increase its service life, enhance the market competitiveness.
For achieving the above object, the invention provides a kind of dividing head worm screw Technology for Heating Processing, it is characterised in that comprise the steps, 1) technological process: blanking one forge a normalizing one machine-carburizing one machines a quenching one and is tempered a machining；
2) technological requirement: (1) normalizing: be incubated 1 1.5h in the salt bath of 900 920 DEG C, air cooling of coming out of the stove；
(2) carburizing
Gas carburizing is carried out in pit carburizing furnace, and temperature is 910 930 DEG C, time 4 5h, and carburizing terminates rear workpiece and lowers the temperature with stove, is as cold as about 840 860 DEG C, workpiece is placed in the cooling ladle chill of protective atmosphere；
(3) quenching
To its local heating in the salt bath of 830 850 DEG C, after being incubated 5 6min, oil is cold.
(4) tempering
Worm screw is tempered at the salt made from earth containing a comparatively high percentage of sodium chloride liquation of 180 220 DEG C, air cooling of coming out of the stove after protecting the 2h that overflows.
The invention has the beneficial effects as follows: Technology for Heating Processing of the present invention is simple, eliminate a lot of repeatability operation, improve work efficiency.The performance of worm screw each side can be improved, increase its service life, enhance the market competitiveness.
Detailed description of the invention
Technical scheme disclosed by the invention is a kind of dividing head worm screw Technology for Heating Processing, it is characterised in that comprise the steps, 1) technological process: blanking one forge a normalizing one machine-carburizing one machines a quenching one and is tempered a machining；
2) technological requirement: (1) normalizing: be incubated 1 1.5h in the salt bath of 900 920 DEG C, air cooling of coming out of the stove；
(2) carburizing
Gas carburizing is carried out in pit carburizing furnace, and temperature is 910 930 DEG C, time 4 5h, and carburizing terminates rear workpiece and lowers the temperature with stove, is as cold as about 840 860 DEG C, workpiece is placed in the cooling ladle chill of protective atmosphere；
(3) quenching
To its local heating in the salt bath of 830 850 DEG C, after being incubated 5 6min, oil is cold.
(4) tempering
Worm screw is tempered at the salt made from earth containing a comparatively high percentage of sodium chloride liquation of 180 220 DEG C, air cooling of coming out of the stove after protecting the 2h that overflows.
Technology for Heating Processing of the present invention is simple, eliminates a lot of repeatability operation, improves work efficiency.The performance of worm screw each side can be improved, increase its service life, enhance the market competitiveness.
The preferred embodiment of the present invention described in detail above.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to the design of the present invention without creative work.Therefore, all technical staff in the art, all should be in the protection domain being defined in the patent claims the most on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (1)
1. a dividing head worm screw Technology for Heating Processing, it is characterised in that comprise the steps, 1) technological process: blanking one forge a normalizing one machine-carburizing one machines a quenching one and is tempered a machining；
2) technological requirement: (1) normalizing: be incubated 1 1.5h in the salt bath of 900 920 DEG C, air cooling of coming out of the stove；
(2) carburizing
Gas carburizing is carried out in pit carburizing furnace, and temperature is 910 930 DEG C, time 4 5h, and carburizing terminates rear workpiece and lowers the temperature with stove, is as cold as about 840 860 DEG C, workpiece is placed in the cooling ladle chill of protective atmosphere；
(3) quenching
To its local heating in the salt bath of 830 850 DEG C, after being incubated 5 6min, oil is cold.
(4) tempering
Worm screw is tempered at the salt made from earth containing a comparatively high percentage of sodium chloride liquation of 180 220 DEG C, air cooling of coming out of the stove after protecting the 2h that overflows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410761253.0A CN105755265A (en) | 2014-12-13 | 2014-12-13 | Dividing head worm heat treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410761253.0A CN105755265A (en) | 2014-12-13 | 2014-12-13 | Dividing head worm heat treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105755265A true CN105755265A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410761253.0A Pending CN105755265A (en) | 2014-12-13 | 2014-12-13 | Dividing head worm heat treatment process |
Country Status (1)
| Country | Link |
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| CN (1) | CN105755265A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555153A (en) * | 2015-09-29 | 2017-04-05 | 常州兰翔机械有限责任公司 | A kind of blade mounting seat heat treatment method |
| CN107236847A (en) * | 2017-07-31 | 2017-10-10 | 世通海泰泵业（天津）股份有限公司 | A kind of processing technology of hydraulic pump worm screw |
| CN107313002A (en) * | 2017-05-15 | 2017-11-03 | 滁州亿扬零部件制造有限公司 | A kind of worm tooth wheel shaft heat treatment processing method |
-
2014
- 2014-12-13 CN CN201410761253.0A patent/CN105755265A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555153A (en) * | 2015-09-29 | 2017-04-05 | 常州兰翔机械有限责任公司 | A kind of blade mounting seat heat treatment method |
| CN106555153B (en) * | 2015-09-29 | 2018-09-21 | 中国航发常州兰翔机械有限责任公司 | A kind of blade mounting base heat treatment method |
| CN107313002A (en) * | 2017-05-15 | 2017-11-03 | 滁州亿扬零部件制造有限公司 | A kind of worm tooth wheel shaft heat treatment processing method |
| CN107236847A (en) * | 2017-07-31 | 2017-10-10 | 世通海泰泵业（天津）股份有限公司 | A kind of processing technology of hydraulic pump worm screw |
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Legal Events
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160713 |
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| WD01 | Invention patent application deemed withdrawn after publication |