CN110125493A - A kind of elongated thread segmental machining method - Google Patents
A kind of elongated thread segmental machining method Download PDFInfo
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- CN110125493A CN110125493A CN201910572877.0A CN201910572877A CN110125493A CN 110125493 A CN110125493 A CN 110125493A CN 201910572877 A CN201910572877 A CN 201910572877A CN 110125493 A CN110125493 A CN 110125493A
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- screw thread
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
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Abstract
The present invention relates to a kind of elongated thread segmental machining method, steps are as follows: S1, elongated thread processing planning, are several segments processing according to the total length reasonable distribution of elongated thread；S2, processing first segment screw thread, process first segment screw thread, and guarantee in first segment screw tip withdrawing, withdrawing angle is controlled at 115~120 ° by way of turning；S3, processing interlude screw thread, interlude screw thread is processed by way of turning, guarantees integral multiple screw pitch beginning feed of the feed point from the preceding paragraph screw thread, and in interlude screw thread withdrawing, withdrawing angle is controlled at 115~120 °；S4, processing most back segment screw thread, most back segment screw thread is processed by way of turning, guarantees integral multiple screw pitch beginning feed of the feed point from the preceding paragraph screw thread.The method of above-mentioned processing can prevent elongated thread from occurring deforming and fracture；Withdrawing angle reserves tooth form well, and is not in escape；Good linking is played the role of in the selection of feed point.
Description
Technical field
The present invention relates in machining in relation to the processing method of screw thread, more particularly, to a kind of elongated thread segmental machining
Method.
Background technique
In machinery industry, screw thread is widely used in various structure connections, its main function makes two object connections
Get up, is very important mechanical structure.Screw thread is broadly divided into internal screw thread and external screw thread, and internal screw thread and externally threaded cooperation are realized
Connection；In process, it is externally threaded processing there is many ways in which, such as: turning, milling, tapping, mantle fiber, grinding, grinding and
Whirling etc..In terms of turnery processing, the screw thread for being suitble to processing length shorter, if elongated thread uses turnery processing,
In process, due to the influence of the factors such as cutting force, cutting heat and material itself, it is easy to cause screw thread to fracture, especially
When diameter is 3mm or less, is directly processed using chip mode, easily fractureed；After directly processing finished product, it is easy to cause product
There is defect ware in unstable quality.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of to be realized by the way of turning to elongated thread processing
Elongated thread segmental machining method.
The technical scheme adopted by the invention to solve the technical problem is that: a kind of elongated thread segmental machining method, the party
The step of method are as follows:
S1, elongated thread processing planning are that several segments are processed according to the total length reasonable distribution of elongated thread, every section
The length of screw thread is the integral multiple of elongated thread screw pitch；
S2, processing first segment screw thread, process first segment screw thread, and guarantee in first segment screw tip by way of turning
When withdrawing, withdrawing angle is controlled at 115~120 °；
S3, processing interlude screw thread, process interlude screw thread by way of turning, guarantee feed point from the preceding paragraph screw thread
The beginning feed of integral multiple screw pitch, in interlude screw thread withdrawing, withdrawing angle control at 115~120 °；
S4, processing most back segment screw thread, process most back segment screw thread by way of turning, guarantee feed point from the preceding paragraph screw thread
The beginning feed of integral multiple screw pitch.
Further specifically, elongated thread homogenous segmentations in the step S1.
Further specifically, the length of every section of screw thread is 4~5 times of Major Diam.
Further specifically, step S1, S2 and S3 pass through processing screw thread processing main program and screw thread between
The processing subprogram of linking is controlled.
Further specifically, the processing subprogram is formed by the G32 thread turning instruction programming of Haas lathe.
Further specifically, at least two sections of the interlude screw thread, interlude screw thread described in every section passes through step
S3 is processed.
Further specifically, the withdrawing angle of the step S2 and step S3 are 120 °.
Further specifically, the end screw pitch that the feed point of step S2 and the step S3 are the preceding paragraph screw thread starts
Place.
The beneficial effects of the present invention are: the method by above-mentioned segmentation processes elongated thread, can prevent in elongated thread
Occur deforming and fractureing in process, to reduce substandard product appearance；It is pre- well using above-mentioned withdrawing angle
Tooth form is stayed, and is not in escape；It is the tail portion of the preceding paragraph screw thread at the beginning of processing, plays linking well and make
With Improving The Quality of Products.
Detailed description of the invention
Fig. 1 is flow chart of the invention.
Specific embodiment
The present invention is explained in detail with reference to the accompanying drawing.
A kind of elongated thread segmental machining method as shown in Figure 1, steps of the method are,
S1, elongated thread processing planning.
It is first several segments according to the total length of elongated thread and by its reasonable distribution, the number of segment of distribution is needed according to screw thread
Major diameter is determined, and the length by every section of screw thread is 4~5 times of Major Diam；Meanwhile guaranteeing that the length of every section of screw thread is thin
The integral multiple of long thread pitch；When being segmented, the distribution that can be unevenly arrived can also be evenly distributed；When
It when the total length of elongated thread can just be evenly distributed, is evenly distributed, distributes and process at this time and is more simple
It is single；When the total length of elongated thread can not be evenly distributed, need to guarantee that interlude screw thread evenly distributes as far as possible, first
Section screw thread and final stage screw thread are uneven distribution；According to above-mentioned requirements, elongated thread is subjected to segment processing.
Before processing, the preparation for needing to carry out lathe, using Haas lathe, and using the processing master for wherein processing screw thread
Program is used for the processing of every section of threaded middle；Processing screw thread is formed using the G32 thread turning instruction programming of Haas lathe
Subprogram is processed, which is mainly used for the front end processing and rear end processing of every section of screw thread, between screw thread
Linking；The layout data that above-mentioned elongated thread is segmented is input in Haas lathe.
S2, processing first segment screw thread.
Firstly, Haas lathe calls processing main program to process first segment screw thread, to first segment screw thread by way of turning
Front end and middle part processed, need to carry out withdrawing after being worked into setting value, Haas lathe calls processing subprogram pair
The end of first segment screw thread is processed, and guarantees the withdrawing angle control in first segment screw tip withdrawing by processing subprogram
System is at 115~120 °, wherein preferably 120 °；Above-mentioned setting value is determined according to every section of length and screw pitch；In withdrawing, from
The last one screw pitch beginning withdrawing；After withdrawing, the last one screw pitch is not a complete screw pitch, is needed in lower section spiral shell
When line is processed, the last one screw pitch is re-worked.
S3, processing interlude screw thread.
Haas lathe calls processing subprogram to choose feed point to interlude flighting front end, and feed point is chosen from the preceding paragraph spiral shell
The screw pitch beginning of line withdrawing, after feed is completed, Haas lathe calls processing main program to process centre by way of turning
Section threaded middle；Feed point herein is also possible to the preceding paragraph screw thread a screw pitch beginning last, is also possible to reciprocal the
Two screw pitch beginnings, and so on, main purpose is the starting point that feed point must be a complete screw pitch, guarantees adjacent two
Linking and continuity between section screw thread；When the completion of interlude screw thread process needs withdrawing, Haas lathe calls processing
Program carries out withdrawing processing to the end of interlude, and withdrawing angle is controlled at 115~120 °, and preferably 120 °.
Interlude screw thread can be one section, be also possible to two sections, this is depending on the physical planning in step S1, when
After one section of interlude screw thread process is completed, when to second segment interlude screw thread process, repeat the above steps S3, in other
Between section processing repeat step S3.
S4, processing most back segment screw thread.
Haas lathe calls processing subprogram to choose feed point to most back segment flighting front end, and the selection of feed point is as needed
The screw pitch beginning that can be the preceding paragraph screw thread withdrawing, is also possible to the beginning of the multiple screw pitch of the preceding paragraph screw tip, mainly
Purpose is the starting point that feed point must be a complete screw pitch, guarantees linking and continuity between adjacent two sections of screw threads；
After feed is completed, Haas lathe calls processing main program to process most back segment screw thread by way of turning to completing the process i.e.
It can.
Above-mentioned processing method in actual use, both can be adapted for batch machining, be readily applicable to small part processing,
The screw thread process of same specification can be completed in input in Haas lathe；When needing to process different size, input number is needed replacing
According to.In data processing, the size of the total length of elongated thread and major diameter can be inputted in machine tool program, passes through machine
The selection and each section of withdrawing situation of the segmentation situation, each section of feed point of bed programming automatic generation elongated thread.
Based on the above situation, the processing of first segment screw thread is divided into two parts, the front end of first segment screw thread and middle part it is common
Processing, calls processing main program to carry out screw thread process, and the withdrawing processing of first segment screw tip is called processing subprogram to choose and closed
Suitable withdrawing angle；The processing of interlude screw thread is divided into three parts, and the front end feed processing of interlude screw thread calls and processes sub- journey
Sequence chooses feed point, and the middle part common process of interlude screw thread calls processing main program to carry out screw thread process, interlude screw thread end
The withdrawing at end is processed, and processing subprogram is called to choose suitable withdrawing angle；The processing of most back segment screw thread is divided into three parts, most back segment
The front end feed of screw thread is processed, and processing subprogram is called to choose feed point, and the middle part common process of most back segment screw thread calls processing
Main program carries out screw thread process, and the end withdrawing processing of most back segment screw thread calls processing main program to carry out common withdrawing processing.
To sum up, using above-mentioned processing method, it can be improved the length that screw thread is processed using turning mode, in process
It prevents the deformation of screw thread and fractures, improve the success rate of processing；It is not in escape using 120 ° of carry out withdrawings, meanwhile, lead to
It crosses processing subprogram and chooses suitable feed point, realize the linking between every section of screw thread, improve the continuity of screw thread.
It is emphasized that: the above is only presently preferred embodiments of the present invention, not make in any form to the present invention
Limitation, any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention,
All of which are still within the scope of the technical scheme of the invention.
Claims (8)
1. a kind of elongated thread segmental machining method, which is characterized in that steps of the method are:
S1, elongated thread processing planning are that several segments are processed according to the total length reasonable distribution of elongated thread, every section of screw thread
Length be elongated thread screw pitch integral multiple；
S2, processing first segment screw thread, process first segment screw thread, and guarantee in first segment screw tip withdrawing by way of turning
When, withdrawing angle is controlled at 115~120 °；
S3, processing interlude screw thread, process interlude screw thread by way of turning, guarantee feed point from the whole of the preceding paragraph screw thread
The beginning feed of several times screw pitch, in interlude screw thread withdrawing, withdrawing angle is controlled at 115~120 °；
S4, processing most back segment screw thread, process most back segment screw thread by way of turning, guarantee feed point from the whole of the preceding paragraph screw thread
The beginning feed of several times screw pitch.
2. elongated thread segmental machining method according to claim 1, which is characterized in that elongated thread in the step S1
Homogenous segmentations.
3. elongated thread segmental machining method according to claim 2, which is characterized in that the length of every section of screw thread
It is 4~5 times of Major Diam.
4. elongated thread segmental machining method according to claim 1, which is characterized in that step S1, S2 and S3
Controlled by the processing subprogram being connected between processing main program and the screw thread of processing screw thread.
5. elongated thread segmental machining method according to claim 4, which is characterized in that the processing subprogram is logical
The G32 thread turning instruction programming for crossing Haas lathe forms.
6. elongated thread segmental machining method according to claim 1, which is characterized in that the interlude screw thread is at least
Two sections, interlude screw thread described in every section passes through step S3 and is processed.
7. elongated thread segmental machining method according to claim 1, which is characterized in that the step S2 and step S3
Withdrawing angle be 120 °.
8. elongated thread segmental machining method according to claim 1, which is characterized in that the step S2 and step
The feed point of S3 is the end screw pitch beginning of the preceding paragraph screw thread.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572877.0A CN110125493A (en) | 2019-06-20 | 2019-06-20 | A kind of elongated thread segmental machining method |
| PCT/CN2020/097054 WO2020253819A1 (en) | 2019-06-20 | 2020-06-19 | Method for machining elongated thread in segments |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910572877.0A CN110125493A (en) | 2019-06-20 | 2019-06-20 | A kind of elongated thread segmental machining method |
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| Publication Number | Publication Date |
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| CN110125493A true CN110125493A (en) | 2019-08-16 |
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| CN201910572877.0A Pending CN110125493A (en) | 2019-06-20 | 2019-06-20 | A kind of elongated thread segmental machining method |
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| CN (1) | CN110125493A (en) |
| WO (1) | WO2020253819A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111515476A (en) * | 2020-05-14 | 2020-08-11 | 北京市富乐科技开发有限公司 | Processing control method and device for titanium alloy screw |
| WO2020253819A1 (en) * | 2019-06-20 | 2020-12-24 | 苏州市意可机电有限公司 | Method for machining elongated thread in segments |
| CN112404904A (en) * | 2020-11-12 | 2021-02-26 | 河北恒工精密装备股份有限公司 | Screw rotor double-body machining method and machining device |
| CN112570778A (en) * | 2020-11-27 | 2021-03-30 | 上海五钢设备工程有限公司 | Method for equally dividing circumference of irregular spiral groove |
| CN112756712A (en) * | 2019-10-21 | 2021-05-07 | 贵州捷盛钻具股份有限公司 | Method for machining tool withdrawal groove-free blind hole wave-shaped threads by using numerical control lathe |
| CN113084271A (en) * | 2021-04-09 | 2021-07-09 | 贵州黎阳国际制造有限公司 | Sawtooth thread machining method |
| CN113751794A (en) * | 2021-09-07 | 2021-12-07 | 深圳市睿仕达精密科技有限公司 | Processing technology for realizing PBI material capillary slender taper hole |
| CN114253216A (en) * | 2021-12-20 | 2022-03-29 | 沈阳鼓风机集团核电泵业有限公司 | Machining method of multi-edge thread milling cutter |
| CN114253216B (en) * | 2021-12-20 | 2024-07-26 | 沈阳鼓风机集团核电泵业有限公司 | Machining method of multi-edge thread milling cutter |
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| US4683785A (en) * | 1980-03-25 | 1987-08-04 | Equipements Automobiles Marchal | Method of cutting a worm screw and a worm screw obtained by the said method |
| CN103600135A (en) * | 2013-11-28 | 2014-02-26 | 吴冬梅 | Double-headed screw machining method |
| CN103792880A (en) * | 2014-03-06 | 2014-05-14 | 苏州新代数控设备有限公司 | Numerical control system and method for improving thread turning speed and machining precision |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020253819A1 (en) * | 2019-06-20 | 2020-12-24 | 苏州市意可机电有限公司 | Method for machining elongated thread in segments |
| CN112756712A (en) * | 2019-10-21 | 2021-05-07 | 贵州捷盛钻具股份有限公司 | Method for machining tool withdrawal groove-free blind hole wave-shaped threads by using numerical control lathe |
| CN112756712B (en) * | 2019-10-21 | 2022-04-22 | 贵州捷盛钻具股份有限公司 | Method for machining tool withdrawal groove-free blind hole wave-shaped threads by using numerical control lathe |
| CN111515476A (en) * | 2020-05-14 | 2020-08-11 | 北京市富乐科技开发有限公司 | Processing control method and device for titanium alloy screw |
| CN111515476B (en) * | 2020-05-14 | 2022-03-11 | 北京市富乐科技开发有限公司 | Processing control method and device for titanium alloy screw |
| CN112404904A (en) * | 2020-11-12 | 2021-02-26 | 河北恒工精密装备股份有限公司 | Screw rotor double-body machining method and machining device |
| CN112570778A (en) * | 2020-11-27 | 2021-03-30 | 上海五钢设备工程有限公司 | Method for equally dividing circumference of irregular spiral groove |
| CN113084271A (en) * | 2021-04-09 | 2021-07-09 | 贵州黎阳国际制造有限公司 | Sawtooth thread machining method |
| CN113084271B (en) * | 2021-04-09 | 2023-03-14 | 贵州黎阳国际制造有限公司 | Sawtooth thread machining method |
| CN113751794A (en) * | 2021-09-07 | 2021-12-07 | 深圳市睿仕达精密科技有限公司 | Processing technology for realizing PBI material capillary slender taper hole |
| CN114253216A (en) * | 2021-12-20 | 2022-03-29 | 沈阳鼓风机集团核电泵业有限公司 | Machining method of multi-edge thread milling cutter |
| CN114253216B (en) * | 2021-12-20 | 2024-07-26 | 沈阳鼓风机集团核电泵业有限公司 | Machining method of multi-edge thread milling cutter |
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Effective date of registration: 20200110 Address after: Spring road Suzhou city Jiangsu province 215000 Xiangcheng District Huang Tai town No. 188 Applicant after: Suzhou Yike Electromechanical Co.,Ltd. Address before: 215000, No. 11, Ann Road, Pu Zhuang village, Lake Town, Suzhou, Jiangsu, Wuzhong District Applicant before: Suzhou Hangbao Technology Co., Ltd. |
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Application publication date: 20190816 |