CN108000079A - A kind of processing technology of leading screw - Google Patents
A kind of processing technology of leading screw Download PDFInfo
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- CN108000079A CN108000079A CN201711448759.6A CN201711448759A CN108000079A CN 108000079 A CN108000079 A CN 108000079A CN 201711448759 A CN201711448759 A CN 201711448759A CN 108000079 A CN108000079 A CN 108000079A
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- leading screw
- processing
- heat
- processing technology
- screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/14—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gear parts, e.g. gear wheels
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Abstract
The invention discloses a kind of processing technology of leading screw, belong to technical field of mechanical transmission.The processing technology of the leading screw includes the following steps：S1, blanking, according to the length cutting stock of leading screw and stay chipping allowance；S2, be heat-treated and examine alignment for the first time；S3, processing end face and drill centers, respectively to the leading screw both ends facing after step S2 processing, and drill out centre bore in both ends of the surface；S4, processing screw thread, the both ends of the leading screw after step S3 processing are fixed on lathe, and carrying out cutting processing to leading screw by water knife goes out screw thread；S5, be heat-treated and examine alignment for the second time.The present invention can complete the processing of leading screw by being heat-treated twice with high pressure waterjet, high pressure waterjet, which avoids the cutting heat that repeatedly cutting produces, makes leading screw that thermal deformation occur, the step of all heat treatment destressing need not be carried out after the cutting of each step, whole process only by being heat-treated twice, shorten the manufacturing procedure of leading screw, it ensure that the straight degree of leading screw, improve the processing efficiency of leading screw.
Description
Technical field
The present invention relates to technical field of mechanical transmission, more particularly to a kind of processing technology of leading screw.
Background technology
Ball-screw is actuated element most-often used on machine tool and precision optical machinery, its major function is to transport rotation
Turn changes linear movement into, or moment of torsion is converted into axial repeated action power, while has high accuracy, invertibity and efficient concurrently
Feature.In recent years, with the development of machinery manufacturing industry, ball-screw is due to its frictional resistance with very little and high transmission
Efficiency, gradually substitutes lead screw, is widely used in the system of the industrial equipments such as various lathes, milling machine, boring machine and precision instrument
Make.
When processing ball-screw, the processing of existing ball-screw is all by multiple turning, milling and grinding
Shaping, the processing of turning, milling and grinding can make that leading screw temperature rise is excessive, and thermal deformation is serious.Since ball-screw needs to ensure it
Straight degree, avoids deforming, needs to be heat-treated and be straightened often in process, when will be carried out every time after processing to leading screw
Effect processing is required for again reconditioning centre bore to correct the change of ageing treatment generation to remove internal stress after each ageing treatment
Shape, this mode process that leading screw step is various, and the process time of leading screw is elongated, reduce production efficiency.
Therefore, there is an urgent need for a kind of processing technology of leading screw to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of processing technology of leading screw, can reduce deformation during lead screw machining, shortens
The procedure of processing of leading screw.
For this purpose, the present invention uses following technical scheme：
A kind of processing technology of leading screw, includes the following steps：
S1, blanking, according to the length cutting stock of leading screw and stay chipping allowance；
S2, be heat-treated and examine alignment for the first time；
S3, processing end face and drill centers, respectively to the leading screw both ends facing after step S2 processing, and in both ends of the surface
Drill out centre bore；
S4, processing screw thread, the both ends of leading screw after step S3 processing are fixed on lathe, by water knife to leading screw into
Row cutting processing goes out screw thread；
S5, be heat-treated and examine alignment for the second time.
As optimal technical scheme, in step s 2, first time heat treatment mode is modifier treatment.
As optimal technical scheme, step S4 includes the following steps：
Leading screw both ends, be fixed on lathe by T1；
T2, adjustment water knife pressure；
T3, leading screw are rotated with certain speed along own axes, and water knife deflection certain angle is simultaneously moved along the length direction of leading screw
Dynamic, the translational speed of water knife is engaged with the rotary speed of leading screw to process the screw thread of leading screw.
As optimal technical scheme, the pressure of the water knife is 200-250MPa.
As optimal technical scheme, the deflection angle of the water knife is identical with the helix angle of the leading screw.
As optimal technical scheme, the water jet width of the water knife is identical with the width of thread of the leading screw.
As optimal technical scheme, in step s 5, second of heat treatment mode is ageing treatment.
Beneficial effects of the present invention：
The present invention before screw thread processed by leading screw first time heat treatment and be straightened, then is processed by high pressure waterjet
Screw thread, is then heat-treated and is straightened for the second time, you can completes the processing of leading screw.High pressure waterjet avoids repeatedly cutting and produces
Cutting heat make leading screw occur thermal deformation, it is not necessary to each step cutting after all carry out heat treatment destressing the step of, whole process
Only by being heat-treated twice, the manufacturing procedure of leading screw is shortened, ensure that the straight degree of leading screw, improves the processing effect of leading screw
Rate.
The first time heat treatment of the present invention makes leading screw have preferable intensity, plasticity and toughness for modifier treatment, second
It is heat-treated as ageing treatment, for removing the internal stress of leading screw, can has by the leading screw after heat treatment process twice preferable
Mechanical performance.
Embodiment
Technical scheme is further illustrated below by embodiment.
A kind of processing technology of leading screw, includes the following steps：
S1, blanking, according to the length cutting stock of leading screw and stay chipping allowance；
S2, be heat-treated and examine alignment for the first time；
Wherein, first time heat treatment mode is modifier treatment.By modifier treatment, make leading screw that there is preferable intensity, modeling
Property and toughness, have good comprehensive mechanical performance.Specifically, modifier treatment includes quenching and high tempering, high tempering
Temperature is 580 DEG C -650 DEG C, and preferably the temperature of high tempering is 620 DEG C.
S3, processing end face and drill centers, respectively to the leading screw both ends facing after step S2 processing, and in both ends of the surface
Drill out centre bore；
S4, processing screw thread, the both ends of leading screw after step S3 processing are fixed on lathe, by water knife to leading screw into
Row cutting processing goes out screw thread；
High pressure waterjet, which avoids the cutting heat that repeatedly cutting produces, makes leading screw that thermal deformation occur, it is not necessary to after the cutting of each step
The processing of next step could be carried out after the step of heat treatment destressing must all be carried out, process screw thread process can by once or
Multiple high pressure waterjet is made.During high pressure waterjet, since high pressure waterjet makes the heat of generation be taken away by water jet moment,
It is not easy to produce heat on leading screw, therefore, leading screw is not likely to produce thermal deformation when cut.In multiple high pressure waterjet, often pass through
Cross a high pressure waterjet, you can carry out the cutting of next step immediately, it is not necessary to be heat-treated after leading screw is unloaded.Whole process side
Just it is quick, procedure of processing is shortened, improves production efficiency.Meanwhile repeatedly dismounting leading screw pair also avoid by high pressure waterjet
Mismachining tolerance caused by leading screw, ensure that the machining accuracy of leading screw.
Specifically, step S4 includes the following steps：
Leading screw both ends, be fixed on lathe by T1；
Specifically, leading screw is installed on lathe by the centre bore at leading screw both ends, one end and the machine tool chief axis of leading screw connect
Connect, the other end heads into centre bore by lathe tail end thimble, and leading screw can rotate under the driving of machine tool chief axis around own axes.
T2, adjustment water knife pressure；
Specifically, the pressure of water knife is 200-250MPa, and the pressure of water knife can be according to the cutting output of each step high pressure waterjet
It is adjusted.When cutting output is big, the pressure of water knife is accordingly heightened；When cutting output is small, the pressure of water knife is accordingly turned down.
T3, leading screw are rotated with certain speed along own axes, and water knife deflection certain angle is simultaneously moved along the length direction of leading screw
Dynamic, the translational speed of water knife is engaged with the rotary speed of leading screw to process the screw thread of leading screw.
According to the pitch of screw thread to be processed, the rotary speed of adjusting screw or the translational speed of water knife can be distinguished,
Obtain suitable pitch.The helix angle of leading screw can realize by adjusting the deflection angle of water knife, make the deflection angle of water knife with
The helix angle of leading screw is identical, and the water jet width of water knife is identical with the width of thread of leading screw, by matching somebody with somebody with threads of lead screw shape
The water knife of conjunction processes the screw thread of leading screw.
S5, be heat-treated and examine alignment for the second time.
Specifically, second of heat treatment mode is ageing treatment, and ageing treatment is used for the internal stress for removing leading screw.
To sum up, the present invention before screw thread processed by leading screw first time heat treatment and be straightened, then passes through high pressure waterjet
Screw thread is processed, is then heat-treated and is straightened for the second time, you can completes the processing of leading screw.High pressure waterjet, which avoids, repeatedly to be cut
Cutting the cutting heat of generation makes leading screw that thermal deformation occur, it is not necessary to the step of all carrying out heat treatment destressing after the cutting of each step, it is whole
A process only by being heat-treated twice, shortens the manufacturing procedure of leading screw, ensure that the straight degree of leading screw, improve leading screw
Processing efficiency.
The first time heat treatment of the present invention makes leading screw have preferable intensity, plasticity and toughness for modifier treatment, second
It is heat-treated as ageing treatment, for removing the internal stress of leading screw, can has by the leading screw after heat treatment process twice preferable
Mechanical performance.
Obviously, the above embodiment of the present invention is just for the sake of clear explanation example of the present invention, and it is pair to be not
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (7)
1. a kind of processing technology of leading screw, it is characterised in that include the following steps：
S1, blanking, according to the length cutting stock of leading screw and stay chipping allowance；
S2, be heat-treated and examine alignment for the first time；
S3, processing end face and drill centers, respectively to the leading screw both ends facing after step S2 processing, and drill out in both ends of the surface
Centre bore；
S4, processing screw thread, the both ends of the leading screw after step S3 processing are fixed on lathe, leading screw is cut by water knife
Cut and process screw thread；
S5, be heat-treated and examine alignment for the second time.
2. the processing technology of leading screw according to claim 1, it is characterised in that in step s 2, for the first time heat treatment side
Formula is modifier treatment.
3. the processing technology of leading screw according to claim 1, it is characterised in that step S4 includes the following steps：
Leading screw both ends, be fixed on lathe by T1；
T2, adjustment water knife pressure；
T3, leading screw are rotated with certain speed along own axes, and water knife deflection certain angle simultaneously moves, water along the length direction of leading screw
The translational speed of knife is engaged with the rotary speed of leading screw to process the screw thread of leading screw.
4. the processing technology of leading screw according to claim 3, it is characterised in that the pressure of the water knife is 200-
250MPa。
5. the processing technology of leading screw according to claim 3, it is characterised in that the deflection angle of the water knife and the silk
The helix angle of thick stick is identical.
6. the processing technology of leading screw according to claim 5, it is characterised in that the water jet width of the water knife with it is described
The width of thread of leading screw is identical.
7. the processing technology of leading screw according to claim 1, it is characterised in that in step s 5, second of heat treatment side
Formula is ageing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448759.6A CN108000079A (en) | 2017-12-27 | 2017-12-27 | A kind of processing technology of leading screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711448759.6A CN108000079A (en) | 2017-12-27 | 2017-12-27 | A kind of processing technology of leading screw |
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| Publication Number | Publication Date |
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| CN108000079A true CN108000079A (en) | 2018-05-08 |
Family
ID=62061862
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711448759.6A Withdrawn CN108000079A (en) | 2017-12-27 | 2017-12-27 | A kind of processing technology of leading screw |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338346A (en) * | 2001-09-29 | 2002-03-06 | 张国梁 | Technology for manufacturing ballscrew gear |
| CN102380758A (en) * | 2010-09-06 | 2012-03-21 | 招远市鑫都标准件厂 | Lead screw processing process |
| CN102873412A (en) * | 2012-10-11 | 2013-01-16 | 南京工艺装备制造有限公司 | Method for processing lead screw roller path by using water jet cutter |
| CN104057267A (en) * | 2014-06-26 | 2014-09-24 | 无锡市崇安区科技创业服务中心 | Manufacturing process of CrWMn steel gear milling lathe lead screw |
| CN104889507A (en) * | 2015-07-04 | 2015-09-09 | 云南冶金昆明重工有限公司 | Long lead screw turning method |
| CN104959791A (en) * | 2015-07-07 | 2015-10-07 | 成都亨通兆业精密机械有限公司 | Precise lead screw machining technology |
-
2017
- 2017-12-27 CN CN201711448759.6A patent/CN108000079A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338346A (en) * | 2001-09-29 | 2002-03-06 | 张国梁 | Technology for manufacturing ballscrew gear |
| CN102380758A (en) * | 2010-09-06 | 2012-03-21 | 招远市鑫都标准件厂 | Lead screw processing process |
| CN102873412A (en) * | 2012-10-11 | 2013-01-16 | 南京工艺装备制造有限公司 | Method for processing lead screw roller path by using water jet cutter |
| CN104057267A (en) * | 2014-06-26 | 2014-09-24 | 无锡市崇安区科技创业服务中心 | Manufacturing process of CrWMn steel gear milling lathe lead screw |
| CN104889507A (en) * | 2015-07-04 | 2015-09-09 | 云南冶金昆明重工有限公司 | Long lead screw turning method |
| CN104959791A (en) * | 2015-07-07 | 2015-10-07 | 成都亨通兆业精密机械有限公司 | Precise lead screw machining technology |
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Application publication date: 20180508 |