CN106735603B - A kind of high-precision straight-tooth mouse tooth disk grinding processing method - Google Patents
A kind of high-precision straight-tooth mouse tooth disk grinding processing method Download PDFInfo
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- CN106735603B CN106735603B CN201611046878.4A CN201611046878A CN106735603B CN 106735603 B CN106735603 B CN 106735603B CN 201611046878 A CN201611046878 A CN 201611046878A CN 106735603 B CN106735603 B CN 106735603B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/02—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
Abstract
A kind of high-precision straight-tooth mouse tooth disk grinding processing method, belongs to mechanical cool-working technology field.Contain following steps；Tooling before grinding, grinding wheel, program composition preparation；Tooling adjustment, centering, workpiece centering, clamping determine coordinate system；Initial workpiece trial cut；Formal grinding carries out across tooth grinding；It examines.It is an advantage of the invention that being better than traditional diamond-making technique, the machining accuracy of mouse tooth disk is improved, realizes the production domesticization of high-precision mouse tooth disk.
Description
Technical field
The present invention relates to a kind of high-precision straight-tooth mouse tooth disk grinding processing methods, belong to mechanical cool-working technology field.
Background technology
Existing multiple tooth several high-precision straight-tooth mouse tooth disk (depth of parallelism 0.01, indexing 6 " in) grinding processing method, it is all made of
The method of common vitrified bonded grinding wheel monodentate sequence grinding, when refining for last one, to prevent grinding wheel loss to precision
Influence, be all made of halfway in each cycle repeatedly finishing (such as：The mouse tooth disk of 360 teeth often grinds 30 teeth and repaiies once) grinding wheel
Method also results in Machine Tool Positioning Accuracy and brings error to grinding position and shape although grinding wheel shape is repaired.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of high-precision straight-tooth mouse tooth disk " across tooth " grinding side
Method changes the method for previous circumferentially sequence roll flute, and the simple and convenient easy realization of this method, need not be further added by cost can be effective
Ground promotes the accuracy of mesh of mouse tooth disk, and the production of high-precision mouse tooth disk cannot be met since lathe condition is poor by preferably solving
Situation.
A kind of high-precision straight-tooth mouse tooth disk grinding processing method, contains following steps；
Step a, tooling before grinding, grinding wheel, program composition preparation；
Step b, tooling adjustment, centering, workpiece centering, clamping determine coordinate system；
Step c, initial workpiece trial cut；
Step d, formal grinding carries out across tooth grinding；
Step e, it examines.
The high-precision straight-tooth mouse tooth disk grinding processing method major embodiment of the present invention is on the basis of traditional diamond-making technique
To being modified and optimizing when the last cycle of fine grinding together, i.e.,：
1. in the last one Grinding Cycle Command program, usually thering is finishing grinding wheel to be several times changed to only recycle finishing when starting
Grinding wheel, and centre is not modified, until machining；
2. be ground successively generally along each tooth socket of circumferencial direction, be changed to be spaced several (by the definite value calculated) tooth sockets into
Row grinding.
The key point of the present invention be difference previous adjacent teeth sequence be ground be：Across tooth method for grinding.
Across the selection of the number of teeth be the present invention important Mathematics Proof and practical basis, so not being arbitrarily to be arranged across the number of teeth
, it otherwise cannot complete the common simple program of institute of the invention.
It is an advantage of the invention that being better than traditional diamond-making technique, the machining accuracy of mouse tooth disk is improved.
Description of the drawings
When considered in conjunction with the accompanying drawings, by referring to following detailed description, can more completely more fully understand the present invention with
And be easy to learn the advantage that many of which is adjoint, but attached drawing described herein is used to provide further understanding of the present invention,
The part of the present invention is constituted, the illustrative embodiments of the present invention and their descriptions are used to explain the present invention, does not constitute to this hair
Bright improper restriction, such as figure are wherein：
Fig. 1 is that the present invention uses object " fluted disc tooth form " schematic diagram.
Fig. 2 is 360 tooth mouse tooth disk schematic diagrames.
Fig. 3 is that wheel grinding processes front schematic view.
Fig. 4 is that wheel grinding processes stereoscopic schematic diagram.
Fig. 5 grinding wheel diagrammatic cross-sections, in Fig. 5：Left grinding surface 4, right grinding surface 5.
Fig. 6 is main program page schematic diagram.
Fig. 7 is one of indexing subprogram interface schematic diagram.
Fig. 8 is two schematic diagrames for indexing subprogram interface.
Fig. 9 is three schematic diagrames for indexing subprogram interface.
Fig. 3, Fig. 4 single tooth socket processing grinding wheel running orbit schematic diagram when being wheel grinding tooth socket, grinding wheel is to lean on two at this time
Oblique upper moves to the left by the right for a left grinding surface 4, right grinding surface 5, and tooth socket inclination angle and grinding wheel cone angle are calculated by national standard
Go out, wheel grinding is ground simultaneously using two conical surfaces, by upper right quickly downwards close to fluted disc when grinding, is then fed left direction and is cut
Go out, then quickly leave upwards, after a tooth socket processes, across a tooth angle degree is rotated, in the case where quickly top position is completed to the right
The processing of one tooth socket.This process is a cutting subcycle.Across tooth processing realization i.e. be embodied in the angle of rotation namely
In the subprogram of this cycle.
Present invention will be further explained below with reference to the attached drawings and examples.
Specific implementation mode
Obviously, those skilled in the art belong to the guarantor of the present invention based on many modifications and variations that spirit of the invention is done
Protect range.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that wording " the packet used in this specification
Include " refer to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition one or
Other multiple features, integer, step, operation, element, component and/or their group.It should be understood that when claiming element, component quilt
When ' attach ' to another element, component, it can be directly connected to other elements either component or there may also be cental elements
Part or component.Wording "and/or" used herein includes any cells of one or more associated list items and complete
It combines in portion.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.
Embodiment 1：As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of high-precision straight-tooth mouse tooth disk grinding processing method, it is main
If solving the problems, such as mouse tooth disk (a set of) installation base surface parallel accuracy, meet lathe assembly precision.To process our unit's part：
For 20LH91404 (144 tooth) mouse tooth disk Fig. 1：
To in the case where existing equipment is constant, small change only need to be carried out to program, you can promote the processing of mouse tooth disk
Precision.
Machine tool system used in the present invention is SIEMENS 840D, and most of program is modularization journey used in lathe
Sequence is as shown in figs. 6-9.The processing program that the present invention uses be by each modular program is combined and to key parameter into
Row research sets and obtains.
Wherein indexing cycles subprogram is briefly discussed below：
About the roll flute loop parameter setting for determining the present invention and steps are as follows：
Step 1 opens the main program page, and then selection indexing subprogram opens (see Fig. 6 circleds)；
Step 2 opens indexing subprogram (see Fig. 7) and then makes 87.5 ° by the 2.5 of circled, sees Fig. 8.Because of 144 tooth/4
=36 teeth, therefore select meeting this " across tooth grinding " across the number of teeth and setting for 35 tooth sockets or 37 slots near at fluted disc a quarter
Meter, and check 144/35 and 144/37 without it is divided evenly and across the number of teeth except Teeth Number is irreducible fraction in lowest term, therefore energy
The enough processing for realizing this " across tooth grinding ".It succeeds through overtesting processing.
Step 3, crushing：Finishing grinding wheel number is changed to every 144 in the last one Grinding Cycle Command or is repaiied more than 144
Whole primary, grinding wheel once completes grinding with teeth, and midway is not modified；
Advantage processing object：The multiple tooth mouse tooth disks such as 144 teeth, 360 teeth, 720 teeth.
And so on 360 tooth mouse tooth disks select across the number of teeth to be 89 (89 °) 91 (91 °), and can be for 720 tooth mouse tooth disks
On the basis of 360 tooth mouse tooth disks, two groups of cycles are selected, only the initial position at second group adds 0.5 ° to see Fig. 9, will modify grinding wheel
Number is changed to every 720 or primary more than 720 finishings.
Across across the number of teeth position necessary requirement of tooth grinding：It is positive integer across the number of teeth, meeting fluted disc will grind one week, total number of teeth
Do not divided exactly across the number of teeth.(across the number of teeth position can be regarded as tooth slot position, because when grinding, tooth slot position angle is set up as processing
Benchmark zero).Such as the fluted disc of 144 teeth, select across the number of teeth to be 35, then 144/35=4.1142 ..., quotient meet condition, and 144/
35=32×24/ 5 × 7 be irreducible fraction in lowest term, can be selected.
Main Basiss：Abrasion of grinding wheel error averaging, dispersion reduce grinding heat, reduce the influence of Machine Tool Positioning Accuracy error.
Step 4, the selection of across the number of teeth size：Basic 90 ° of selection is nearby in section because lathe is 0 ° the most frequently used, 90 °, 180 °,
270 ° of four positions, dispersion grinding wheel loss error is appropriate and easily controllable, when upper and lower a pair of of fluted disc initial angle differs 45 ° of assembly
When, mutually make up height best results.
Step 5, the selection of last grinding allowance：0.01~0.015, formulating rules：Consider that grinding wheel quality and grinding type face are protected
Holding property and the loss for completing Grinding Cycle Command, that is, be ground still effective when the last one tooth；
Step 6, program application：Grinding is suitable for numerically control grinder, when slot grinding (tooth) subprogram of grinding program is to use
When macroprogram indexes, adjacent teeth angle degree need to be only changed to required across tooth angle degree, such as：The fluted disc of 360 teeth is adjacent
Tooth angle degree is " 1 ° ", then across tooth angle degree can be changed to " 89 ° " or " 91 ° "；
Step 7 processes 720 tooth mouse tooth disks, selects 360 tooth mouse tooth disk processing methods of class time, only uses Two-way Cycle,
It is i.e. constant across the number of teeth, when entering second circulation, initial angle is become 0.5 °；
Step 8, in last cycle grinding, lathe only has three feed shafts of Rotary indexing movement of Y-axis and X-axis and B axle
Movement, the movement point of Y-axis and X-axis is all repetitive cycling movement, and grinding status is fixed, and disturbing factor is few, therefore can be improved
The grinding tool track of Working position precision, tooth is shown in Fig. 3 and Fig. 4.
Macroprogram usage is illustrated:
Example 1 processes 60 tooth mouse tooth disks in Japanese machine test of snuggling up to greatly, and tooth form is as shown in fig. 2, upper fluted disc 2 and lower tooth
Disk 3 connects, examination selection：When across number of teeth 60/4+1=16 (tooth), 60/16=3.75 does not have divided evenly, but is not fraction in lowest term, no
Meet across tooth grinding condition.If selection：60/4+2=17 (tooth), 60/17=3.52941 ..., and be fraction in lowest term, meet item
Part can be selected.The position angle for calculating the 17th tooth is 102 °.It is programmed if first tooth socket is workpiece coordinate system B axle zero.
Here is the brief example explanation of Siemens System program of jumping division：
Subprogram：
It is to be tested for some processing programs that verification " across tooth " of the invention processing is feasible and is carried out in other lathes above.
So when establishment macroprogram, according to the number of teeth situation of other mouse tooth disks, setup parameter is only needed：
1), initial angle,
2), across tooth angle degree,
3), the initial number of counter,
4) it, counts and judges setting value,
Without regrouping a cycle criterion program again, a processing feeding subprogram is only worked out according to slot bottom path
Achieve that new across tooth Grinding Cycle Command processing.
As described above, being explained in detail to the embodiment of the present invention, as long as but essentially without this hair of disengaging
Bright inventive point and effect can have many deformations, this will be readily apparent to persons skilled in the art.Therefore, this
The variation of sample is also integrally incorporated within protection scope of the present invention.
Claims (3)
1. a kind of high-precision straight-tooth mouse tooth disk grinding processing method, it is characterised in that contain following steps；
Step a, tooling before grinding, grinding wheel, program composition preparation；
Step b, tooling adjustment, centering, workpiece centering, clamping determine coordinate system；
Step c, initial workpiece trial cut；
Step d, formal grinding carries out across tooth grinding；
Step e, it examines；
Circumferentially each tooth socket is ground successively carries out grinding to be spaced several tooth sockets；
Also contain following steps；
Step 1 opens the main program page, and then selection indexing subprogram is opened；
Step 2, for 144 teeth, open indexing subprogram and then make 87.5 by the 2.5 of circled；Cause 144 teeth/4=36 teeth,
Therefore the processing across the number of teeth " across tooth grinding " of 35 tooth sockets or 37 slots near at fluted disc a quarter is selected；
Step 3, crushing：Finishing grinding wheel number is changed to every 144 in the last one Grinding Cycle Command or is more than 144 finishings one
Secondary, grinding wheel once completes grinding with teeth, and midway is not modified；
And so on 360 tooth mouse tooth disks select across the number of teeth to be 89 tooth sockets or 91 tooth sockets, and can be in 360 teeth for 720 tooth mouse tooth disks
On the basis of mouse tooth disk, two groups of cycles are selected, only the initial position at second group adds 0.5, and finishing grinding wheel number is changed to often
720 or primary more than 720 finishings；
Step 4, the selection of across the number of teeth size：Near basic 90 ° of selection in section, because of the most frequently used 0 °, 90 °, 180 °, 270 ° of lathe
Four positions, dispersion abrasion drop is suitably easily controllable, when upper and lower a pair of of fluted disc initial angle differs 45 ° of assembly, mutually makes up
Height best results；
Step 5, the selection of last grinding allowance：0.01~0.015, formulating rules：Consider grinding wheel quality and grinding type face retentivity
And complete the loss of Grinding Cycle Command, that is, it is ground still effective when the last one tooth；
Step 6, program application：Grinding is suitable for numerically control grinder, when the roll flute trough program of grinding program is to use macroprogram
When indexing, adjacent teeth angle degree need to be only changed to required across tooth angle degree, for the fluted disc of 360 teeth, adjacent tooth angle
Degree is " 1 ° ", then across tooth angle degree is changed to " 89 ° "；
Step 7 processes 720 tooth mouse tooth disks, selects class time 360 tooth mouse tooth disk processing methods, only uses Two-way Cycle, i.e., across
The number of teeth is constant, and when entering second circulation, initial angle is become 0.5 °；
Step 8, in last cycle grinding, lathe only has the fortune of three feed shafts of Rotary indexing movement of Y-axis and X-axis and B axle
Dynamic, the movement point of Y-axis and X-axis is all repetitive cycling movement.
2. a kind of high-precision straight-tooth mouse tooth disk grinding processing method according to claim 1, it is characterised in that step d also contains
There are following steps；
Grinding wheel is to keep left that oblique upper moves to the left by the right for grinding surface and right grinding surface, and tooth socket inclination angle and grinding wheel cone angle are by country
Standard meter calculates, and wheel grinding is ground simultaneously using two conical surfaces, by upper right quickly downwards close to fluted disc when grinding, then into being given to
Left direction is cut out, then is quickly left upwards, after a tooth socket processes, across a tooth angle degree is rotated, in quickly upper position to the right
Set the processing for completing next tooth socket；This process is a cutting subcycle.
3. a kind of high-precision straight-tooth mouse tooth disk grinding processing method according to claim 1, it is characterised in that across tooth grinding
Across the number of teeth position necessary requirement：Be positive integer across the number of teeth, meet fluted disc to have ground one week total number of teeth do not divided exactly across the number of teeth and
Across the number of teeth except Teeth Number be can not about fraction in lowest term again.
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| CN201611046878.4A CN106735603B (en) | 2016-11-23 | 2016-11-23 | A kind of high-precision straight-tooth mouse tooth disk grinding processing method |
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| CN106735603B true CN106735603B (en) | 2018-10-30 |
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| CN2150968Y (en) * | 1993-03-26 | 1993-12-29 | 铁维麟 | Precisive gemstone finishing machine |
| DE202007006219U1 (en) * | 2007-04-27 | 2007-07-19 | Kapp Gmbh | Grinding machine for gear wheel, has worm grinding wheel with tooth shaped section, and trueing guide rail including trueing edges, whose shape corresponds to portion of reference envelop |
| CN102363229A (en) * | 2011-11-15 | 2012-02-29 | 大连理工大学 | Process for machining multi-tooth gear blank by utilizing graduated disk with small number of slots |
| CN102896378A (en) * | 2012-10-29 | 2013-01-30 | 大连理工大学 | Dislocation gear grinding technology for increasing processing precision of radial run-out of gear ring |
| CN104889863A (en) * | 2015-05-13 | 2015-09-09 | 秦川机床工具集团股份公司 | Large high-accuracy gear composite grinding center |
| CN104959681A (en) * | 2015-06-19 | 2015-10-07 | 黄乐 | Index plate machining gear shaving cutter gear grinding machine tooth grinding method |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2150968Y (en) * | 1993-03-26 | 1993-12-29 | 铁维麟 | Precisive gemstone finishing machine |
| DE202007006219U1 (en) * | 2007-04-27 | 2007-07-19 | Kapp Gmbh | Grinding machine for gear wheel, has worm grinding wheel with tooth shaped section, and trueing guide rail including trueing edges, whose shape corresponds to portion of reference envelop |
| CN102363229A (en) * | 2011-11-15 | 2012-02-29 | 大连理工大学 | Process for machining multi-tooth gear blank by utilizing graduated disk with small number of slots |
| CN102896378A (en) * | 2012-10-29 | 2013-01-30 | 大连理工大学 | Dislocation gear grinding technology for increasing processing precision of radial run-out of gear ring |
| CN104889863A (en) * | 2015-05-13 | 2015-09-09 | 秦川机床工具集团股份公司 | Large high-accuracy gear composite grinding center |
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Address after: 101300, 16, Shuanghe Avenue, Lin River Industrial Development Zone, Beijing, Shunyi District Patentee after: Beijing Beiyi Machine Tool Co.,Ltd. Address before: 101300, 16, Shuanghe Avenue, Lin River Industrial Development Zone, Beijing, Shunyi District Patentee before: BEIJING BEIYI MACHINE TOOL Co.,Ltd. |
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