CN104148992B - A kind of grinding processing method for the processing of impeller hub tongue-and-groove - Google Patents
A kind of grinding processing method for the processing of impeller hub tongue-and-groove Download PDFInfo
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- CN104148992B CN104148992B CN201410339130.8A CN201410339130A CN104148992B CN 104148992 B CN104148992 B CN 104148992B CN 201410339130 A CN201410339130 A CN 201410339130A CN 104148992 B CN104148992 B CN 104148992B
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- groove
- tongue
- grinding
- impeller hub
- emery wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
Abstract
A kind of grinding processing method for the processing of impeller hub tongue-and-groove, step is as follows: 1, according to structure type and the version of impeller hub tongue-and-groove, the size of lathe, determine the mounting means of impeller hub and the installation site on platen；2, the grinding mode of tongue-and-groove is selected, and determining cup emery wheel dimension of inner and outer diameters, height vertically and the shape and size of outer grinding working portion, it is ensured that cup emery wheel avoids other tenon tooth with impeller hub and hubless feature to interfere during grinding tongue-and-groove；3, the Digit Control Machine Tool motion mode choosing applicable tongue-and-groove grinding carries out numerical control grinding processor establishment, is controlled the motion path of cup emery wheel by numerical control program, thus forms the emery wheel grinding movement locus to tongue-and-groove；4, cup emery wheel rotates under the driving of main shaft of numerical control machine tool, and according to nc program set movement locus and the tongue-and-groove grinding mode of selection, complete the grinding of impeller hub tongue-and-groove.
Description
Technical field
The present invention provides a kind of grinding processing method for the processing of impeller hub tongue-and-groove, it relates to a kind of method utilizing cup emery wheel to carry out impeller hub tongue-and-groove grinding, particularly relate to a kind of multi-shaft interlocked driving larger diameter cup emery wheel utilizing Digit Control Machine Tool and carry out the process of impeller hub tongue-and-groove grinding, belong to Impeller Machining technical field.
Background technology
At present, impeller hub tongue-and-groove typically uses form milling processing, wire pulling method and can put into the minor diameter formed grinding wheel of tongue-and-groove and carry out the process such as plunge grinding processing of tongue-and-groove, also has to use and shapes electrochemical machining method and complete the processing and manufacturing of impeller hub tongue-and-groove.
Above-mentioned processing method at least has the disadvantage in that
The size of impeller hub tongue-and-groove is less, and structure is complicated, uses form milling to add the structure complexity of cutter in man-hour, and high-precision sharpening is extremely difficult.Meanwhile, the draw ratio of milling cutter is big, and rigidity is poor, and the cutting ability of boss material is poor, and it is shorter that Tool in Milling adds serious wear in man-hour, service life, and machining accuracy and concordance thereof are difficult to ensure that, processing cost is high；When using wire pulling method, the lead time of broaching tool is long, sharpening difficulty, and the cost of broaching machine is high, causes wire pulling method technique very flexible of application in tongue-and-groove is processed, and the lead time of new model wheel hub product is the longest；Minor diameter formed grinding wheel carries out tongue-and-groove plunge grinding and adds man-hour, and the diameter of emery wheel is less, and draw ratio is big, causes the linear velocity of emery wheel to be extremely difficult to preferably scope, and rigidity is poor, and abrasion of grinding wheel is very fast, and grinding accuracy is difficult to ensure.Meanwhile, the manufacture difficulty of minor diameter formed grinding wheel is relatively big, and emery wheel cost is high；The Electrolyzed Processing precision of wheel hub tongue-and-groove is relatively low, the difficult design of shaped electrode, it is impossible to meet the final high-precision demand of wheel hub tongue-and-groove, and electrolysis installation is expensive, pollutes relatively big, and technological flexibility is poor, is also unfavorable for the rapid development of impeller new product.
Purpose: it is an object of the invention to provide a kind of grinding processing method for the processing of impeller hub tongue-and-groove, according to impeller hub and the feature of tongue-and-groove, the physical dimension of design cup emery wheel, enable to utilize the part of cup emery wheel hollow to avoid other tenon tooth with impeller hub and other hubless feature to interfere, thus complete the grinding of impeller hub tongue-and-groove.The method is to realize impeller hub tongue-and-groove high accuracy, low cost, a kind of reliable process method of fast and flexible processing.
Technical scheme:
A kind of grinding processing method for the processing of impeller hub tongue-and-groove of the present invention, it comprises the following steps:
S1: according to structure type and the version of impeller hub tongue-and-groove, the size of lathe, determine mounting means and the impeller hub installation site on platen of impeller hub, impeller hub is arranged on Digit Control Machine Tool by jackshaft or middle installing hole, preferably ensure that impeller hub overlaps with the gyration axle of Digit Control Machine Tool, to facilitate the processing of impeller hub tongue-and-groove；
S2: according to the version of impeller hub tongue-and-groove, size, the motion mode of Digit Control Machine Tool, select the grinding mode of tongue-and-groove, and determining cup emery wheel internal diameter size, outside dimension, height vertically and the shape and size of outer grinding working portion, it is ensured that cup emery wheel can utilize the part of cup emery wheel hollow to avoid other tenon tooth with impeller hub and other hubless feature to interfere during grinding tongue-and-groove；
S3: the Digit Control Machine Tool motion mode choosing applicable impeller hub tongue-and-groove grinding carries out numerical control grinding processor establishment, is controlled the motion path of cup emery wheel, thus forms the emery wheel grinding movement locus to impeller hub tongue-and-groove by numerical control program；
S4: cup emery wheel rotates under the driving of main shaft of numerical control machine tool, and according to nc program set movement locus and the tongue-and-groove grinding mode of selection, complete the grinding of impeller hub tongue-and-groove.
Wherein, at least 1 the rotary motion axle of " Digit Control Machine Tool " described in step S1, S2, S3, S4；
Wherein, " selecting the grinding mode of tongue-and-groove " described in step S2, S4 can be to utilize the outer milled portion of cup emery wheel directly to form the processing of the plunge grinding to tongue-and-groove, it is also possible to is to drive emery wheel to form the envelope grinding to tongue-and-groove by nc program.
Beneficial effect
A kind of grinding processing method for the processing of impeller hub tongue-and-groove that the present invention provides, carry out envelope by larger-diameter cup emery wheel or profile copy grinding processing can be greatly lowered the requirement to maximum speed of spindle, and improve the rigidity of emery wheel, reduce the process system vibration impact on tongue-and-groove machining accuracy in the course of processing, simultaneously, the diameter of emery wheel becomes big, increase emery wheel and participate in the effective area of grinding, improve the precision stability of emery wheel, it is more beneficial for improving the grinding accuracy of tongue-and-groove, Precision Machining for impeller hub tongue-and-groove provides an and technological method for processing for flexibility and reliability the most effective.
Accompanying drawing illustrates:
Fig. 1 is the cup emery wheel method for grinding schematic diagram of impeller hub tongue-and-groove
Fig. 2 is the cup emery wheel envelope method for grinding partial schematic diagram of impeller hub tongue-and-groove
Fig. 3 is the cup emery wheel profile copy grinding method partial schematic diagram of impeller hub tongue-and-groove
Fig. 4 is the method for the invention flow chart
In figure, labelling is described as follows:
1: emery wheel；2: emery wheel outer grinding working portion；3: tongue-and-groove；4: tenon tooth；5: impeller hub
Detailed description of the invention:
The present invention is a kind of process utilizing cup emery wheel that impeller hub tongue-and-groove carries out grinding, according to impeller hub and the feature of tongue-and-groove, the physical dimension of design cup emery wheel, enable to utilize the part of cup emery wheel hollow to avoid other tenon tooth with impeller hub and other hubless feature to interfere, thus complete the grinding of impeller hub tongue-and-groove.Further, emery wheel can realize envelope grinding or the profile copy grinding processing of impeller hub tongue-and-groove according to physical condition.Heretofore described impeller hub tongue-and-groove is alternatively referred to as tongue-and-groove.Below by instantiation, and the present invention is described in further detail to combine accompanying drawing.
See Fig. 1,4, the present invention a kind of for impeller hub tongue-and-groove processing grinding processing method, specifically comprising the following steps that of the method
S1: according to structure type and the version of impeller hub tongue-and-groove 3, the size of lathe, determine mounting means and the impeller hub 5 installation site on platen of impeller hub 5, impeller hub 5 is arranged on Digit Control Machine Tool by jackshaft or middle installing hole, Digit Control Machine Tool at least 1 rotary motion axle, and preferably ensure that impeller hub 5 overlaps with the gyration axle of Digit Control Machine Tool, facilitates the processing of impeller hub tongue-and-groove 3；
S2: according to the version of impeller hub tongue-and-groove 3, size, the motion mode of Digit Control Machine Tool, select the grinding mode of impeller hub tongue-and-groove 3, and determining cup emery wheel 1 internal diameter size, outside dimension, height vertically and the shape and size of emery wheel outer grinding working portion 2, it is ensured that cup emery wheel 1 can utilize the part of cup emery wheel 1 hollow to avoid other tenon tooth 4 with impeller hub 5 and other hubless feature to interfere during grinding tongue-and-groove.The grinding mode of impeller hub tongue-and-groove 3 can be to utilize emery wheel outer grinding part 2 that the profile of tongue-and-groove 3 is carried out envelope grinding, as shown in Figure 2, can also be to utilize emery wheel outer grinding part 2 profile of tongue-and-groove 3 to be carried out profile copy grinding processing, as shown in Figure 3.
S3: the Digit Control Machine Tool motion mode choosing the grinding of applicable impeller hub tongue-and-groove 3 carries out numerical control grinding processor establishment, is controlled the motion path of cup emery wheel 1, thus forms the emery wheel 1 grinding movement locus to impeller hub tongue-and-groove 3 by numerical control program；
S4: cup emery wheel 1 rotates under the driving of main shaft of numerical control machine tool, and according to nc program set movement locus and the tongue-and-groove 3 grinding mode of selection, complete the grinding of impeller hub tongue-and-groove 3.
It is the mounting means according to impeller hub 5 and the version of tongue-and-groove 3, size shown in Fig. 1, on the premise of selected grinding method, determine the internal diameter size of cup emery wheel 1, outside dimension, height vertically and the shape and size of emery wheel outer grinding working portion 2, it is ensured that cup emery wheel 1 can utilize the part of cup emery wheel 1 hollow to avoid other tenon tooth 4 with impeller hub 5 and other hubless feature to interfere during grinding tongue-and-groove 3.Emery wheel 1 is under the control of numerical control program, thus completes the grinding to tongue-and-groove.
It it is the cup emery wheel 1 envelope grinding mode of impeller hub tongue-and-groove 3 in tongue-and-groove 3 grinding mode shown in Fig. 2, the profile of emery wheel outer grinding working portion 2 is inconsistent with the profile of tongue-and-groove 3, the profile of tongue-and-groove 3, under the control of numerical control program, is processed by the method for envelope grinding by emery wheel outer grinding working portion 2 according to the movement locus set.
It it is the cup emery wheel 1 profile copy grinding processing mode of impeller hub tongue-and-groove 3 in tongue-and-groove 3 grinding mode shown in Fig. 3, the profile of emery wheel outer grinding working portion 2 is consistent with the profile of tongue-and-groove 3, emery wheel outer grinding working portion 2, under the control of numerical control program, can complete the processing of the profile copy grinding to tongue-and-groove 3 profile according to simple rectilinear motion mode.
The grinding processing method of impeller hub tongue-and-groove processing is a kind of method utilizing cup emery wheel to carry out impeller hub tongue-and-groove grinding, according to impeller hub and the feature of tongue-and-groove, the physical dimension of design cup emery wheel, enable to utilize the part of cup emery wheel hollow to avoid other tenon tooth with impeller hub and other hubless feature to interfere, thus complete the grinding of impeller hub tongue-and-groove, carry out envelope by larger-diameter cup emery wheel or profile copy grinding processing can increase substantially rigidity and the precision stability of emery wheel, reduce process system vibration in the course of processing, be conducive to improving the grinding accuracy of tongue-and-groove, and technological flexibility is good, application easy to spread and the rapid development of new product.
Claims (4)
1. the grinding processing method for the processing of impeller hub tongue-and-groove, it is characterised in that: it comprises the following steps:
S1: according to structure type and the version of impeller hub tongue-and-groove, the size of lathe, determine the peace of impeller hub
Dress mode and the impeller hub installation site on platen, impeller hub is pacified by jackshaft or middle installing hole
It is contained on Digit Control Machine Tool, it is ensured that impeller hub overlaps with the gyration axle of Digit Control Machine Tool, to facilitate impeller hub tongue-and-groove
Processing；
S2: according to the version of impeller hub tongue-and-groove, size, the motion mode of Digit Control Machine Tool, select the mill of tongue-and-groove
Cut processing mode, and determine cup emery wheel internal diameter size, outside dimension, height vertically and outer grinding work
The shape and size of part, it is ensured that cup emery wheel can utilize the part of cup emery wheel hollow during grinding tongue-and-groove
Other tenon tooth with impeller hub and other hubless feature is avoided to interfere；
S3: the Digit Control Machine Tool motion mode choosing applicable impeller hub tongue-and-groove grinding carries out numerical control grinding processor
Establishment, is controlled the motion path of cup emery wheel, thus forms the emery wheel grinding to impeller hub tongue-and-groove by numerical control program
Working motion track；
S4: cup emery wheel rotates under the driving of main shaft of numerical control machine tool, and the motion rail set according to nc program
Mark and the grinding mode of selection tongue-and-groove, complete the grinding of impeller hub tongue-and-groove.
A kind of grinding processing method for the processing of impeller hub tongue-and-groove the most according to claim 1, it is characterised in that:
" Digit Control Machine Tool " described in step S1, S2, S3, S4 at least 1 rotary motion axle.
A kind of grinding processing method for the processing of impeller hub tongue-and-groove the most according to claim 1, it is characterised in that:
" selecting the grinding mode of tongue-and-groove " described in step S2, S4, is that the outer utilizing cup emery wheel is ground
Cut part and directly form the processing of the plunge grinding to tongue-and-groove.
A kind of grinding processing method for the processing of impeller hub tongue-and-groove the most according to claim 1, it is characterised in that:
" selecting the grinding mode of tongue-and-groove " described in step S2, S4, is to be driven by nc program
Emery wheel forms the envelope grinding to tongue-and-groove.
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| CN201410339130.8A CN104148992B (en) | 2014-07-16 | 2014-07-16 | A kind of grinding processing method for the processing of impeller hub tongue-and-groove |
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| CN201410339130.8A CN104148992B (en) | 2014-07-16 | 2014-07-16 | A kind of grinding processing method for the processing of impeller hub tongue-and-groove |
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| CN104148992B true CN104148992B (en) | 2016-08-24 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105834839B (en) * | 2016-04-06 | 2018-03-02 | 中国南方航空工业(集团)有限公司 | Method of the double angle tenon tooths of grinding to table part |
| CN107962262B (en) * | 2017-12-01 | 2019-02-01 | 中国航发沈阳黎明航空发动机有限责任公司 | The electrode and processing unit (plant) and method of turbine disc mortise electrolysis cutting rapid shaping |
| CN109926894B (en) * | 2019-04-15 | 2020-11-06 | 南京航空航天大学 | Turbine disc mortise forming and grinding processing equipment and using method thereof |
| CN112643477A (en) * | 2020-01-16 | 2021-04-13 | 厉风燕 | Processing equipment for impeller hub tongue-and-groove |
| CN112809503B (en) * | 2021-01-18 | 2022-06-03 | 北京航空航天大学 | Forming grinding machining method for turbine disc mortise |
| CN115609361B (en) * | 2022-12-01 | 2023-04-11 | 成都和鸿科技股份有限公司 | Machining method of multi-groove part |
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| CN103317415A (en) * | 2013-07-04 | 2013-09-25 | 北京航空航天大学 | Grinding method for impeller profile processing |
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| JP3403213B2 (en) * | 1992-09-07 | 2003-05-06 | 古河電気工業株式会社 | Grooving method and grooving device |
| JP2000326195A (en) * | 1999-05-24 | 2000-11-28 | Toyo Advanced Technologies Co Ltd | Grinding method for annular groove |
| JP2004174627A (en) * | 2002-11-25 | 2004-06-24 | Matsushita Refrigeration Industries (S) Pte Ltd | Cutting and grinding method and device for it |
| JP2005131760A (en) * | 2003-10-31 | 2005-05-26 | Koyo Seiko Co Ltd | Ball screw groove machining tool and ball screw groove machining method |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143421A (en) * | 2006-09-11 | 2008-03-19 | 洛阳轴研科技股份有限公司 | Minitype flange external ring bearing edge guard composite abrasive grinding wheel trimming method |
| CN103317415A (en) * | 2013-07-04 | 2013-09-25 | 北京航空航天大学 | Grinding method for impeller profile processing |
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