CN104551264A - Machining method for high-precision rectangular splines on large shaft parts - Google Patents
Machining method for high-precision rectangular splines on large shaft parts Download PDFInfo
- Publication number
- CN104551264A CN104551264A CN201310485349.4A CN201310485349A CN104551264A CN 104551264 A CN104551264 A CN 104551264A CN 201310485349 A CN201310485349 A CN 201310485349A CN 104551264 A CN104551264 A CN 104551264A
- Authority
- CN
- China
- Prior art keywords
- workbench
- indexing mechanism
- workpiece
- accurate indexing
- rectangular spline
- 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
- Drilling And Boring (AREA)
Abstract
The invention discloses a machining method for high-precision rectangular splines on large shaft parts. The machining method includes the steps of workpiece installation, alignment, installation and holding, realignment, milling and the like. Auxiliary tools such as a tool support, a bending plate, a holder and the like are adopted, machining of all tooth surfaces and minor-diameter positioning of the parts are completed by one-time clamping, labor intensity is lowered, working efficiency is improved, part deformation is reduced effectively, repeated clamping error is eliminated, machining accuracy is guaranteed, and the method is applicable to various large shaft parts which cannot be machined by spline grinders.
Description
Technical field
The invention belongs to rectangular spline processing technique field, specifically, the particularly processing method of high accuracy rectangular spline on a kind of macrotype axes series parts.
Background technology
Rectangular spline is as the driving parts extensively used, and have point distributions such as key tooth, axle uniform force, path centering precision is high, and stability is good, and contact area is large, can transmit the features such as larger moment of torsion.The processing of rectangular spline, generally adopts milling, the small rectangular spline generally grinding on special spline grinding machine that precision is high.
For the processing of rectangular spline high-precision on macrotype axes series parts, part is placed on two v blocks by general employing, axle head installs centering block, rotational parts is by polar coordinates centering calibration, or axle head installs the direct calibration of indexing mechanism, repeat repeatedly calibration, centering, each tooth processing of installation.The particularly processing of path circular arc, how many number of times that rotational parts repeats to install directly determines the arc accuracy of path.
In sum, the processing method inefficiency of high-precision rectangular spline routine on macrotype axes series parts, labour intensity is large, repeatedly installs indexing accuracy poor, causes the equal indicative of each flank of tooth of rectangular spline and symmetry to ensure, the machining accuracy of location path is low.
Summary of the invention
Technical problem to be solved by this invention be to provide a kind of in clamped one time, complete each flank of tooth of macrotype axes series parts rectangular spline and location path processing and guarantee the processing method of rectangular spline precision.
Technical scheme of the present invention is as follows: the processing method of high accuracy rectangular spline on a kind of macrotype axes series parts, is characterized in that comprising the following steps:
A, installation workpiece: first accurate indexing mechanism (2) is arranged on the workbench (1) of boring machine, installation site is near boring spindle, then frock bearing (3) is arranged on the workbench center of accurate indexing mechanism (2), then workpiece (7) is connected with frock bearing (3) by end face screw;
B, centering: the mounting of amesdial (6) is fixed on boring spindle motionless, rotate its workbench of hand wheel rotating of accurate indexing mechanism (2), by the installation site of adjustment frock bearing (3), the centre of gyration of centering workpiece (7) is coaxial with the centre of gyration of accurate indexing mechanism (2);
Folder is embraced in C, installation: be arranged on by bent plate (4) on the workbench (1) of boring machine, installation site is boring spindle opposite, then will embrace folder (5) is installed on bent plate (4), close up again and embrace folder (5), make to embrace multiple adjustment screw that folder (5) radially wears and contact with the axle body of workpiece (7);
D, centering: the mounting of amesdial (6) is fixed on the workbench of accurate indexing mechanism (2), rotate its workbench of hand wheel rotating of accurate indexing mechanism (2), and the adjustment screw pressing from both sides (5) radial direction and wear is embraced by adjustment, make to embrace folder (5) center and workpiece (7) central coaxial;
E, milling: adopt milling cutter to process, and the workbench rotating accurate indexing mechanism (2) carries out calibration, complete the processing of each flank of tooth of rectangular spline and location path.
Adopt above technical scheme, by centering workpiece centre and accurate indexing mechanism central coaxial, centering Bao Jia center twice centering coaxial with workpiece centre, improve the clamping precision of part; Adopt and embrace stability and the security that folder improves parts fixation.The present invention adopts clamped one time to complete all processing of part, reduces the labour intensity of operator on the one hand, improves operating efficiency; On the other hand, part deformation can be reduced and eliminate repeated clamping error, effectively ensure that the machining accuracy of rectangular spline on macrotype axes series parts.
In order to ensure that accurate indexing mechanism installs the steadiness connected, in steps A, accurate indexing mechanism (2) is installed on the workbench (1) of boring machine by least 3 screw in compressions.
Described frock bearing (3) is made up of upper plate, pillar and lower shoe, upper plate and lower shoe are parallel to each other, be connected and fixed by pillar between the two, the lower shoe of described frock bearing (3) is fixed on the workbench of accurate indexing mechanism (2) by four screws, and the end face of described workpiece (7) is fixed on the upper plate of frock bearing (3) by four screws.The moulding of frock bearing is simple on the one hand for above structure, and processing and fabricating is easy, and cost is low; On the other hand, frock bearing on accurate indexing mechanism and workpiece connect firm on frock bearing, dismounting is not only convenient but also quick.
In order to improve machining accuracy further, as preferably, in step B, centering workpiece (7) is beated at a distance of two place's axle journals far away of trying one's best, ≯ the 0.008mm and two axle journals are beated.
In order to simplify structure, convenient for assembly, and guarantee bent plate and embrace to clamp convenience, the reliability of joining, described bent plate (4) is " L " shape, be made up of base plate and riser, the base plate of bent plate (4) posts and fixes on the workbench (1) of boring machine, the riser of described bent plate (4) is installed and embraces folder (5).
In order to improve machining accuracy further, as preferably, in step D, the centering point on workpiece (7) and the workbench of accurate indexing mechanism (2) are at a distance of as far as possible far away, and centering axle journal is beated ≯ 0.008mm.
In step e, first rough mill, and the workbench rotating accurate indexing mechanism (2) carries out calibration, complete the roughing of each flank of tooth of rectangular spline and location path; Then step B and step D is repeated successively; Finally carry out finish-milling, and the workbench rotating accurate indexing mechanism (2) carries out calibration, complete the fine finishining of each flank of tooth of rectangular spline and location path.The mode of rear finish-milling is first rough milled in above-mentioned employing, can guarantee the machining accuracy of rectangular spline.If the adjacent outside diameter of rectangular spline is less than path, select slotting cutter or face and side cutter processing; If the adjacent outside diameter of rectangular spline is greater than path, face and side cutter is selected to process.
Beneficial effect: the present invention adopts frock bearing, bent plate, embraces the auxiliary moulds such as folder, make part in clamped one time, complete the processing of each flank of tooth and location path, both labour intensity was reduced, improve operating efficiency, effectively reduce again part deformation and eliminate repeated clamping error, ensure that machining accuracy, the macrotype axes series parts cannot processed for various spline grinding machine is all applicable.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, the long 2850mm of power transmission shaft workpiece 7, maximum gauge φ 320mm, heavy 1150Kg, two ends rectangular spline, 12 teeth, the facewidth 26, the symmetry 0.015 in each flank of tooth and path axle center, large footpath φ 280mm, path φ 240mm, path is felt relieved, flank of tooth torsion pass.
Embodiment 1, on this large-scale power transmission shaft workpiece 7, the processing method of high accuracy rectangular spline comprises the following steps:
A, installation workpiece: first accurate indexing mechanism 2 is installed on the workbench 1 of boring machine by least 3 screw in compressions, the installation site of accurate indexing mechanism 2 is near boring spindle, then frock bearing 3 is arranged on the workbench center of accurate indexing mechanism 2, then workpiece 7 is connected with frock bearing 3.Described frock bearing 3 is made up of upper plate, pillar and lower shoe, upper plate and lower shoe are parallel to each other, be connected and fixed by pillar between the two, the axial line of upper plate, pillar and lower shoe three point-blank, the lower shoe of described frock bearing 3 is fixed on the workbench of accurate indexing mechanism 2 by four screws, and four end face screws of described workpiece 7 are fixed on the upper plate of frock bearing 3 respectively by four screws.
B, centering: the mounting of amesdial 6 is fixed on boring spindle motionless, rotate the handwheel of accurate indexing mechanism 2, rotate the workbench of accurate indexing mechanism 2, and by adjusting the installation site of frock bearing 3, centering workpiece 7 to be beated ≯ 0.008mm at a distance of as far as possible two place's axle journals far away, and the centre of gyration of centering workpiece 7 is coaxial with the centre of gyration of accurate indexing mechanism 2.
Folder is embraced in C, installation: be arranged on by bent plate 4 on the workbench 1 of boring machine, the installation site of bent plate 4 is boring spindle opposite.Described bent plate 4 is " L " shape, is made up of base plate and riser, and the base plate of bent plate 4 posts and fixes on the workbench 1 of boring machine.Then be installed on the riser of bent plate 4 by embracing folder 5, the root embracing folder 5 is fixed by the riser of many screws and bent plate 4, close up again and embrace a folder 5, the axle body of workpiece 7 is arranged in and embraces the circular hole that formed of folder 5, and embrace 3 adjustment screws that folder 5 radially wears and contact with the axle body of workpiece 7.
D, centering: the mounting of amesdial 6 is fixed on the workbench of accurate indexing mechanism 2, by lengthening mark post, make the workbench of the centering point on workpiece 7 and accurate indexing mechanism 2 at a distance of as far as possible far away, rotate its workbench of hand wheel rotating of accurate indexing mechanism 2, and by adjusting 3 the adjustment screws embraced folder 5 radial direction and wear, the axle journal of centering workpiece 7 is beated ≯ 0.008mm, makes to embrace folder 5 center and workpiece 7 central coaxial.
E, milling: first rough mill, and the workbench rotating accurate indexing mechanism 2 carries out calibration, completes the roughing of each flank of tooth of rectangular spline and location path; Then step B and step D is repeated successively; Finally carry out finish-milling, and the workbench rotating accurate indexing mechanism 2 carries out calibration, complete the fine finishining of each flank of tooth of rectangular spline and location path.
Embodiment 2
With reference to Fig. 1, in the present embodiment, step e directly carries out milling, that is: adopt milling cutter to process, and the workbench rotating accurate indexing mechanism 2 carries out calibration, completes the processing of each flank of tooth of rectangular spline and location path.The remainder of the present embodiment is identical with embodiment 1, and therefore not to repeat here.
The macrotype axes series parts that the method for the invention cannot be processed for various spline grinding machine is all applicable, does not repeat one by one at this.
Claims (7)
1. the processing method of high accuracy rectangular spline on macrotype axes series parts, is characterized in that comprising the following steps:
A, installation workpiece: first accurate indexing mechanism (2) is arranged on the workbench (1) of boring machine, installation site is near boring spindle, then frock bearing (3) is arranged on the workbench center of accurate indexing mechanism (2), then workpiece (7) is connected with frock bearing (3) by end face screw;
B, centering: the mounting of amesdial (6) is fixed on boring spindle motionless, rotate its workbench of hand wheel rotating of accurate indexing mechanism (2), by the installation site of adjustment frock bearing (3), the centre of gyration of centering workpiece (7) is coaxial with the centre of gyration of accurate indexing mechanism (2);
Folder is embraced in C, installation: be arranged on by bent plate (4) on the workbench (1) of boring machine, installation site is boring spindle opposite, then will embrace folder (5) is installed on bent plate (4), close up again and embrace folder (5), make to embrace multiple adjustment screw that folder (5) radially wears and contact with the axle body of workpiece (7);
D, centering: the mounting of amesdial (6) is fixed on the workbench of accurate indexing mechanism (2), rotate its workbench of hand wheel rotating of accurate indexing mechanism (2), and the adjustment screw pressing from both sides (5) radial direction and wear is embraced by adjustment, make to embrace folder (5) center and workpiece (7) central coaxial;
E, milling: adopt milling cutter to process, and the workbench rotating accurate indexing mechanism (2) carries out calibration, complete the processing of each flank of tooth of rectangular spline and location path.
2. the processing method of high accuracy rectangular spline on a kind of macrotype axes series parts according to claim 1, it is characterized in that: in steps A, accurate indexing mechanism (2) is installed on the workbench (1) of boring machine by least 3 screw in compressions.
3. the processing method of high accuracy rectangular spline on a kind of macrotype axes series parts according to claim 1 and 2, it is characterized in that: described frock bearing (3) is made up of upper plate, pillar and lower shoe, upper plate and lower shoe are parallel to each other, be connected and fixed by pillar between the two, the lower shoe of described frock bearing (3) is fixed on the workbench of accurate indexing mechanism (2) by four screws, and the end face of described workpiece (7) is fixed on the upper plate of frock bearing (3) by four screws.
4. the processing method of high accuracy rectangular spline on a kind of macrotype axes series parts according to claim 1, is characterized in that: in step B, and centering workpiece (7) is upper beats at a distance of two place's axle journals far away as far as possible, ≯ the 0.008mm and two axle journals are beated.
5. the processing method of high accuracy rectangular spline on a kind of macrotype axes series parts according to claim 1, it is characterized in that: described bent plate (4) is " L " shape, be made up of base plate and riser, the base plate of bent plate (4) posts and fixes on the workbench (1) of boring machine, the riser of described bent plate (4) is installed and embraces folder (5).
6. the processing method of high accuracy rectangular spline on a kind of macrotype axes series parts according to claim 1, it is characterized in that: in step D, centering point on workpiece (7) and the workbench of accurate indexing mechanism (2) are at a distance of as far as possible far away, and centering axle journal is beated ≯ 0.008mm.
7. the processing method of high accuracy rectangular spline on a kind of macrotype axes series parts according to claim 1 or 2 or 4 or 5 or 6, it is characterized in that: in step e, first rough mill, and the workbench rotating accurate indexing mechanism (2) carries out calibration, complete the roughing of each flank of tooth of rectangular spline and location path; Then step B and step D is repeated successively; Finally carry out finish-milling, and the workbench rotating accurate indexing mechanism (2) carries out calibration, complete the fine finishining of each flank of tooth of rectangular spline and location path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485349.4A CN104551264B (en) | 2013-10-16 | 2013-10-16 | The processing method of high-precision rectangular spline on a kind of macrotype axes series parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310485349.4A CN104551264B (en) | 2013-10-16 | 2013-10-16 | The processing method of high-precision rectangular spline on a kind of macrotype axes series parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104551264A true CN104551264A (en) | 2015-04-29 |
| CN104551264B CN104551264B (en) | 2017-07-14 |
Family
ID=53068912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310485349.4A Active CN104551264B (en) | 2013-10-16 | 2013-10-16 | The processing method of high-precision rectangular spline on a kind of macrotype axes series parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104551264B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478918A (en) * | 2016-01-25 | 2016-04-13 | 南京宝泰特种材料股份有限公司 | Roller tooth profile processing method |
| CN111189634A (en) * | 2020-03-18 | 2020-05-22 | 中国船舶重工集团公司第七0七研究所 | Large RV reducer transmission error testing device and testing method |
| CN113020923A (en) * | 2021-03-25 | 2021-06-25 | 哈尔滨电机厂有限责任公司 | Processing method for convex key on slender shaft of high-capacity high-rotating-speed generator motor |
| CN116038633A (en) * | 2022-12-14 | 2023-05-02 | 航天科工空天动力研究院(苏州)有限责任公司 | Truss-like production line is with pre-installation station of predetermineeing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201524852U (en) * | 2009-09-18 | 2010-07-14 | 江苏太平洋精锻科技股份有限公司 | Gear shaft vertically-mounted positioning shaper clamp |
| CN101927435A (en) * | 2010-07-26 | 2010-12-29 | 北京二七轨道交通装备有限责任公司 | Positioning milling tire |
| CN102248229A (en) * | 2011-06-07 | 2011-11-23 | 无锡市瑞尔精密机械股份有限公司 | Face tooth grinding fixture |
| CN202192337U (en) * | 2011-07-01 | 2012-04-18 | 江苏高齿传动机械有限公司 | Gear hobbing clamping fixture |
| CN202377576U (en) * | 2011-11-16 | 2012-08-15 | 新邵县泵业有限公司 | Bracket type indexing drilling and grinding device |
| CN102990166A (en) * | 2012-09-25 | 2013-03-27 | 郑州卫华工程机械有限公司 | Gear shaft machining method and gear shaft clamping tool used in method |
-
2013
- 2013-10-16 CN CN201310485349.4A patent/CN104551264B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201524852U (en) * | 2009-09-18 | 2010-07-14 | 江苏太平洋精锻科技股份有限公司 | Gear shaft vertically-mounted positioning shaper clamp |
| CN101927435A (en) * | 2010-07-26 | 2010-12-29 | 北京二七轨道交通装备有限责任公司 | Positioning milling tire |
| CN102248229A (en) * | 2011-06-07 | 2011-11-23 | 无锡市瑞尔精密机械股份有限公司 | Face tooth grinding fixture |
| CN202192337U (en) * | 2011-07-01 | 2012-04-18 | 江苏高齿传动机械有限公司 | Gear hobbing clamping fixture |
| CN202377576U (en) * | 2011-11-16 | 2012-08-15 | 新邵县泵业有限公司 | Bracket type indexing drilling and grinding device |
| CN102990166A (en) * | 2012-09-25 | 2013-03-27 | 郑州卫华工程机械有限公司 | Gear shaft machining method and gear shaft clamping tool used in method |
Non-Patent Citations (1)
| Title |
|---|
| 欧阳维刚等: "万能轧机花键轴的加工工艺研究", 《科技与企业》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478918A (en) * | 2016-01-25 | 2016-04-13 | 南京宝泰特种材料股份有限公司 | Roller tooth profile processing method |
| CN111189634A (en) * | 2020-03-18 | 2020-05-22 | 中国船舶重工集团公司第七0七研究所 | Large RV reducer transmission error testing device and testing method |
| CN111189634B (en) * | 2020-03-18 | 2022-05-10 | 天津旗领机电科技有限公司 | Large RV reducer transmission error testing device and testing method |
| CN113020923A (en) * | 2021-03-25 | 2021-06-25 | 哈尔滨电机厂有限责任公司 | Processing method for convex key on slender shaft of high-capacity high-rotating-speed generator motor |
| CN113020923B (en) * | 2021-03-25 | 2022-12-13 | 哈尔滨电机厂有限责任公司 | Processing technique for convex key on slender shaft of high-capacity high-rotating-speed generating motor |
| CN116038633A (en) * | 2022-12-14 | 2023-05-02 | 航天科工空天动力研究院(苏州)有限责任公司 | Truss-like production line is with pre-installation station of predetermineeing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104551264B (en) | 2017-07-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102284734B (en) | Method for processing key grooves of shaft | |
| CN100503101C (en) | Multifunctional transposable diameter-adjustable multitool machine boring tool | |
| CN204171743U (en) | Calibration rotates milling clamper | |
| CN102189424B (en) | Sector gear positioning/drilling tool fixture | |
| CN104551264A (en) | Machining method for high-precision rectangular splines on large shaft parts | |
| CN102303247A (en) | System for centering slender workpiece of machining cutting machine tool | |
| CN102962489A (en) | Large support plate elastic hole drilling machine and use method thereof | |
| CN104400475B (en) | A kind of positioning and clamping instrument and method | |
| CN210412610U (en) | Internal expansion type multifunctional indexing chuck | |
| CN110303355B (en) | Cylindrical workpiece lateral turning tool and processing method | |
| CN203831143U (en) | Vehicle clamp for eyepiece seat casing of microscope | |
| CN104924022A (en) | Simple and rapid machining method for part with perpendicularly intersecting hole | |
| CN105458763A (en) | Work fixture on machining center and used when to-be-machined board planes and working table form angles | |
| CN104690581A (en) | Valve body turning method | |
| CN201446416U (en) | Three-blade impeller keyway machining tool | |
| CN204711287U (en) | Cross recess gear batch machining drilling jig device | |
| CN207770940U (en) | A kind of milling cutter body | |
| CN207606676U (en) | Valve grinder valve centering support mechanism | |
| CN210549667U (en) | Symmetrical milling tool for flat machining on shaft workpiece | |
| CN209849909U (en) | Tooling with sliding type tailstock for machining and milling waist wheel rotor | |
| CN203751791U (en) | Disc type special-shaped part two-end-surface turning and inclined hole processing clamp | |
| CN102152149B (en) | High rigidity and flexibility locating clamp and locating method of locating clamp | |
| CN108637595B (en) | Method for machining hollow shaft of coal mining machine and grinding center for grinding hollow shaft | |
| CN202356917U (en) | Typical curved part boring fixture | |
| CN202985164U (en) | Angle iron lathe clamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |