CN104475879A - Processing technology adopting special starting point for processing internal thread - Google Patents
Processing technology adopting special starting point for processing internal thread Download PDFInfo
- Publication number
- CN104475879A CN104475879A CN201410636910.9A CN201410636910A CN104475879A CN 104475879 A CN104475879 A CN 104475879A CN 201410636910 A CN201410636910 A CN 201410636910A CN 104475879 A CN104475879 A CN 104475879A
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- China
- Prior art keywords
- starting point
- thread
- processing
- special starting
- processing technology
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- 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.)
- Pending
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 8
- 238000003754 machining Methods 0.000 claims abstract description 11
- 238000007689 inspection Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Numerical Control (AREA)
Abstract
A processing technology for processing internal threads by adopting a special starting point. Belongs to the technical field of: the invention relates to a processing technology for processing internal threads by adopting a special starting point. Background art: the casting blank part made of the material of the workpiece ASTM148d has large external dimension, difficult internal thread machining, low machining efficiency, large thread pitch and dimensional accuracy which does not meet the pattern requirement. The technical scheme adopted by the invention for solving the technical problems is as follows: the internal thread is processed by adopting a processing technology with a special starting point. Determining the location of the thread start point is most advantageous for machining the thread and for verifying the location of the thread start point.
Description
Art
Patent of the present invention relates to the processing technology that a kind of machining internal thread adopts special starting point
Background technology
Shown in accompanying drawing 1, this spare part outside measurement is large, and workpiece material is the cast blank of ASTM148d, machining internal thread is difficult and working (machining) efficiency is low, every part on vertical car or in vertical milling machining internal thread just need hours in man-hour 100, and pitch is large, and dimensional accuracy does not reach pattern requirement.
Patent of the present invention solves the technical scheme that its technical problem adopts:
As shown in Figure 2, the part of thread connection, starting point when installing regulating wheel wants consistent with the starting point of lifting platform position.It is 45 ° that 2 parts have certain angular position relation, when machining internal thread, will control screw thread starting point position, and make the angular position of 2 part screw thread starting points harmonious.After requirement is tightened, make it harmonious, otherwise can not above-mentioned requirements be ensured.According to the machining process of screw thread and the method for inspection of screw thread, and the shortcoming that the screw thread starting point of internal thread can not directly be measured, determine that screw thread starting point position is conducive to the processing of screw thread and the inspection of screw thread starting point position most, by repeatedly putting into practice, we can take following steps:
(1) workpiece first carries out the rough turn a few cutter of Test-cut met of internal thread, does not unload workpiece after rough turn a few cutter, and by the angle of thread starting point of portable three-coordinate measuring instrument measuring workpieces, this starting point is exactly the thread turning starting point of lathe encoder.With marking pen, the screw thread starting point on workpiece is marked at workbench (vertical numerical control machining center scroll chuck).
(2) with three-dimensional coordinates measurement, accurate for workpiece screw thread starting point mark line is drawn.
(3) man-hour is added, that should to be platen start position mark with screw thread start position on workpiece want the position of trade union college is consistent, and (during placement, radial direction has and does not put in place, by the Z value in amendment coordinate system EXT, screw thread start position can be guaranteed).
(4) first Z forward is lifted 1 ~ 2mm when trial cut is cut, then measure, the degree of depth is revised in the Z-direction value of EXT, can ensure start position size.
Accompanying drawing illustrates:
Fig. 1 material is the cast blank part drawing of ASTM148d
Fig. 2 screw initial thread location drawing.
Claims (1)
1. a patent of invention, relates to and comprises the processing technology that machining internal thread adopts special starting point.Determine that screw thread starting point position is conducive to the processing of screw thread and the inspection of screw thread starting point position most.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410636910.9A CN104475879A (en) | 2014-10-30 | 2014-10-30 | Processing technology adopting special starting point for processing internal thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410636910.9A CN104475879A (en) | 2014-10-30 | 2014-10-30 | Processing technology adopting special starting point for processing internal thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104475879A true CN104475879A (en) | 2015-04-01 |
Family
ID=52750555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410636910.9A Pending CN104475879A (en) | 2014-10-30 | 2014-10-30 | Processing technology adopting special starting point for processing internal thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104475879A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824910A (en) * | 2017-11-30 | 2018-03-23 | 台州职业技术学院 | A kind of internal thread helix initial angle positioner |
| CN111037008A (en) * | 2019-12-30 | 2020-04-21 | 西安昆仑工业（集团）有限责任公司 | Method for manufacturing fixed-start-point rectangular internal thread |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274380A (en) * | 2007-03-28 | 2008-10-01 | 南车四方机车车辆股份有限公司 | Inner screw thread milling technique |
| CN101298107A (en) * | 2007-04-30 | 2008-11-05 | 中信重工机械股份有限公司 | Steep-pitch thread fabrication technique |
| CN102430903A (en) * | 2011-08-26 | 2012-05-02 | 湖北三江航天万山特种车辆有限公司 | Deep hole thread machining and detecting method and plug gage used for same |
| CN102773570A (en) * | 2011-05-12 | 2012-11-14 | 喜利得股份公司 | Method for creating an inner thread as well as a combination of a thread cutter and a body |
| CN103551678A (en) * | 2013-11-13 | 2014-02-05 | 丰兴精密产业（惠州）有限公司 | Processing and detecting method for inner threaded hole of micro nut |
-
2014
- 2014-10-30 CN CN201410636910.9A patent/CN104475879A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274380A (en) * | 2007-03-28 | 2008-10-01 | 南车四方机车车辆股份有限公司 | Inner screw thread milling technique |
| CN101298107A (en) * | 2007-04-30 | 2008-11-05 | 中信重工机械股份有限公司 | Steep-pitch thread fabrication technique |
| CN102773570A (en) * | 2011-05-12 | 2012-11-14 | 喜利得股份公司 | Method for creating an inner thread as well as a combination of a thread cutter and a body |
| CN102430903A (en) * | 2011-08-26 | 2012-05-02 | 湖北三江航天万山特种车辆有限公司 | Deep hole thread machining and detecting method and plug gage used for same |
| CN103551678A (en) * | 2013-11-13 | 2014-02-05 | 丰兴精密产业（惠州）有限公司 | Processing and detecting method for inner threaded hole of micro nut |
Non-Patent Citations (1)
| Title |
|---|
| 杨艳霞: "特殊紧固件螺纹起始点位置的研究和确定", 《煤矿机械》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824910A (en) * | 2017-11-30 | 2018-03-23 | 台州职业技术学院 | A kind of internal thread helix initial angle positioner |
| CN107824910B (en) * | 2017-11-30 | 2024-01-23 | 台州职业技术学院 | Internal thread helix initial angle positioner |
| CN111037008A (en) * | 2019-12-30 | 2020-04-21 | 西安昆仑工业（集团）有限责任公司 | Method for manufacturing fixed-start-point rectangular internal thread |
| CN111037008B (en) * | 2019-12-30 | 2021-04-13 | 西安昆仑工业（集团）有限责任公司 | Method for manufacturing fixed-start-point rectangular internal thread |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150401 |
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| WD01 | Invention patent application deemed withdrawn after publication |