CN105583581A - Machining method and device for bearing standard block - Google Patents
Machining method and device for bearing standard block Download PDFInfo
- Publication number
- CN105583581A CN105583581A CN201510955691.5A CN201510955691A CN105583581A CN 105583581 A CN105583581 A CN 105583581A CN 201510955691 A CN201510955691 A CN 201510955691A CN 105583581 A CN105583581 A CN 105583581A
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- Prior art keywords
- level piece
- bearing level
- processed
- bearing
- piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Heat Treatment Of Articles (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the field of machining and discloses a machining method and device for a bearing standard block. The machining method for the bearing standard block comprises the steps that three-dimensional modeling is conducted on the bearing standard block to be machined, and the machining coordinate system of a three-dimensional model of the bearing standard block is adjusted; rough machining is conducted on the bearing standard block to be machined according to the dimensional requirement of the bearing standard block; quenching and tempering heat treatment is conducted on the bearing standard block to be machined; semi-finish machining is conducted on the bearing standard block to be machined, and a bearing standard block blank is obtained through wire-electrode discharging cutting; finish machining is conducted on the bearing standard block to be machined, so that the required dimension and a positioning cylindrical surface of the standard block are obtained through machining; a bearing to be machined is milled by means of a ball end mill according to the three-dimensional model; and filleted corners and round edges are coped, burrs are removed, and machining of the bearing standard block is completed. The machining method for the bearing standard block is practical and high in efficiency and precision, and the technique blank of bearing standard block machining in the prior art is filled in.
Description
Technical field
The present invention relates to field of machining, relate in particular to a kind of processing method and device of bearing level piece.
Background technology
Compressor adopts efficient, high performance new construction bearing, and the level piece of bearing is the difficult processing of this unitPoint and bottleneck. Whole centrifugal compressor had to vital impact, improve the level piece processing essence of bearingDegree is the important means that improves set steady.
In prior art, the processing of the level piece of bearing is high-performance new construction bearing, and for the level of bearingPiece processing, due to complex structure, difficulty of processing is very big, and prior art lacks the level piece processing technology of bearingMethod, only has external a few countries to manufacture at present.
Summary of the invention
The invention provides a kind of processing method and device of bearing level piece, solve in prior art and lack bearingThe technical problem of level piece technological method for processing.
The object of the invention is to be achieved through the following technical solutions:
A processing method for bearing level piece, comprising:
Bearing level piece to be processed is carried out to three-dimensional modeling, and threedimensional model to bearing level add work areaMark system adjusts, make its with bearing level piece in actual processing the coordinate system on lathe consistent;
According to the dimensional requirement of bearing level piece, bearing level piece to be processed is carried out to roughing;
Described bearing level piece to be processed is quenched and tempering heat treatment process, to arrive default workpieceHeat treatment hardness;
Described bearing level piece to be processed is carried out to semifinishing, and adopt line discharge cutting to be partitioned into bearingLevel piece blank;
Described bearing level piece to be processed is carried out to fine finishining, to process the size of requirement and level pieceLocation cylinder;
According to threedimensional model, utilize ball end mill, described bearing to be processed carry out milling system, to mill outGroove between R cambered surface and two circular arcs;
Reconditioning fillet, round edge, deburring, complete the processing of bearing level piece.
A processing unit (plant) for bearing level piece, comprising:
Three-dimensional modeling module, carries out three-dimensional modeling for the bearing level piece to be processed, and to bearing levelThe machining coordinate system of threedimensional model adjust, make its with actual processing in bearing level piece on latheCoordinate system consistent;
Roughing module, for according to the dimensional requirement of bearing level piece, enters bearing level piece to be processedRow roughing;
Heat treatment module, for described bearing level piece to be processed is quenched and tempering heat treatment process,To arrive the heat treatment hardness of default workpiece;
Semifinishing module, for described bearing to be processed is carried out to semifinishing, and adopts line cutting to putElectricity is partitioned into bearing level piece blank;
Fine finishining module, for described bearing level piece to be processed is carried out to fine finishining, to process requirementSize and the location cylinder of level piece; According to threedimensional model, utilize ball end mill, to described to be processedBearing carry out milling system, to mill out the groove between R cambered surface and two circular arcs; Reconditioning fillet, round edge, unhairingThorn, completes the processing of bearing level piece.
The invention provides a kind of processing method and device of bearing level piece, by the bearing level to be processedPiece carries out three-dimensional modeling, and the machining coordinate of threedimensional model to bearing level system adjusts; According to bearingThe dimensional requirement of level piece, carries out roughing to bearing level piece to be processed; To described bearing to be processedLevel piece quenches and tempering heat treatment process, to arrive the heat treatment hardness of default workpiece; Treat describedThe bearing level piece of processing carries out semifinishing, and adopts line discharge cutting to be partitioned into bearing level piece blank;According to threedimensional model, described bearing level piece to be processed is carried out to fine finishining, to process the size of requirementLocation cylinder with level piece; Utilize ball end mill, described bearing to be processed carry out milling system, with millingGo out the groove between R cambered surface and two circular arcs; Reconditioning fillet, round edge, deburring, complete bearing level pieceProcessing. The present invention has realized the processing method of a kind of practicality, efficient, high-precision bearing level piece, solvesThe technological gap of the level piece of bearing processing at present.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to implementingIn example, the accompanying drawing of required use is briefly described, and apparently, the accompanying drawing in the following describes is onlySome embodiments of the present invention, for those of ordinary skill in the art, are not paying creative workPrerequisite under, also can obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 a is the top view of the Fixture Design of the bearing level piece processing of the embodiment of the present invention;
Fig. 1 b is the side view of the Fixture Design of the bearing level piece processing of the embodiment of the present invention;
Fig. 2 is the flow chart of the processing method of a kind of bearing level piece of the embodiment of the present invention;
Fig. 3 is the structure chart of the processing unit (plant) of a kind of bearing level piece of the embodiment of the present invention.
Detailed description of the invention
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing andThe present invention is further detailed explanation for detailed description of the invention.
As shown in Fig. 1 a and 1b, the Fixture Design of the bearing level piece processing providing for the embodiment of the present inventionFigure, wherein, is groove 4 between R cambered surface 2, and groove 4 centers are the first locating hole 1, fan-shaped fourCentered by angle, be provided with the second locating hole 3. Below in conjunction with how processing bearing water as shown in Fig. 1 a and 1bAccurate piece, introduces a kind of processing method of bearing level piece in detail, as shown in Figure 2, comprising:
Step 201, bearing level piece to be processed is carried out to three-dimensional modeling, and three-dimensional mould to bearing levelThe machining coordinate system of type adjusts, make its with actual processing in the coordinate system of bearing level piece on latheUnanimously;
Wherein, threedimensional model is to be mainly applied to accurately machined Machining of Curved Surface.
Step 202, according to the dimensional requirement of bearing level piece, bearing level piece to be processed is slightly addedWork;
Wherein, step 202 specifically can comprise: according to the dimensional requirement of level piece, to axle to be processedHold level piece each several part carry out rough turn, wherein, monolateral made allowance 3.0mm, be 2-3 hour process time,There is enough allowance to complete follow-up processing with the semifinishing that ensures bearing level piece.
Step 203, described bearing level piece to be processed is quenched and tempering heat treatment process, to arriveReach the heat treatment hardness of default workpiece;
Wherein, heat treated mode comprises any one or two kinds in normalizing, quenching, tempering.
Step 203 specifically can comprise:
Quench, then carry out water cooling, wherein, hardening heat is 860 DEG C, and temperature hold-time is2 hours;
Carry out tempering, then carry out sky but, wherein, temperature is 590 DEG C, and temperature hold-time is 3Hour.
The technique of step 203 has ensured mechanical performance and the stiffness conditions of bearing level piece.
Described default heat treatment hardness is 170-200.
Step 204, described bearing level piece to be processed is carried out to semifinishing, and adopt line discharge cuttingBe partitioned into bearing level piece blank;
Wherein, operation is to step 204 for described bearing level piece to be processed, except curved surface and upperBelow, all the other all machine.
Step 204 specifically can comprise: bearing level piece each several part to be processed is carried out to half finish turning, andReserve 1mm surplus, to guarantee to process completely the R cambered surface of bearing level piece, when semifinishingBetween be 1-2 hour. Be the R cambered surface that 1mm can process bearing level piece completely through overtesting surplus,The surplus that has simultaneously reduced surface grinding machine has also reduced process time.
Step 205, described bearing level piece to be processed is carried out to fine finishining, to process the size of requirementLocation cylinder with level piece;
Wherein, step 205 specifically can comprise:
Step 205-1, at the center of described bearing level piece frock to be processed, drill diameter is 19mmHole, then reams, precision 0～0.02mm ensure workpiece can with frock interference fits, processingTime is 0.5 hour;
Step 205-2, centered by four angles of fan-shaped line, rule, the hole that drill diameter is 4-8mm, addsBetween man-hour, be 0.5 hour, to remove the fillet surplus being formed due to tool diameter, ensure workpiece and frockCan coordinate completely.
Owing to adopting four sidewall curved surfaces of straight shank end mill processing tool, use any cutter all can beSurface intersection place leaves the fillet surplus that cutter forms, therefore need to centered by four of a fan-shaped line angle, rule,Drill diameter is the hole of 4-8mm, can remove like this fillet surplus forming due to tool diameter completely,Ensure that workpiece and frock can coordinate completely, just can carry out next step curved surface milling fine finishining processed.
Step 206, according to threedimensional model, utilize ball end mill, described bearing to be processed is carried out to millingSystem, to mill out the groove between R cambered surface and two circular arcs;
Wherein, step 206 specifically can comprise:
Step 206-1, upper and lower two planes of use plane milled, wherein, upper and lower plane made allowance 0.2mm,Be 1 hour process time;
This step has ensured the surplus of numerical control mill processing curve processed, has reduced again accurately machined surplus, subtracts simultaneouslyLack the time of numerical control mill system processing.
Step 206-2, utilize each of the profile of the accurate machining bearing level of digital control wire-electrode cutting piece, process timeIt is 1 hour;
Step 206-3, the R cambered surface of utilizing ball end mill milling system to match with bearing level piece to be processedAnd two groove between circular arc.
Step 207, reconditioning fillet, round edge, deburring, complete the processing of bearing level piece.
The invention provides a kind of processing method of bearing level piece, undertaken by the bearing level piece to be processedThree-dimensional modeling, and the machining coordinate of threedimensional model to bearing level system adjusts; According to bearing level pieceDimensional requirement, bearing level piece to be processed is carried out to roughing; To described bearing level piece to be processedQuench and tempering heat treatment process, to arrive the heat treatment hardness of default workpiece; To described to be processedBearing level piece carries out semifinishing, and adopts line discharge cutting to be partitioned into bearing level piece blank; According to threeDimension model, carries out fine finishining to described bearing level piece to be processed, to process size and the level of requirementThe location cylinder of piece; Utilize ball end mill, described bearing to be processed carry out milling system, to mill out RGroove between cambered surface and two circular arcs; Reconditioning fillet, round edge, deburring, complete the processing of bearing level piece.The present invention has realized the processing method of a kind of practicality, efficient, high-precision bearing level piece, solves current axleThe technological gap of the level piece processing of holding.
The embodiment of the present invention also provides a kind of processing unit (plant) of bearing level piece, as shown in Figure 3, comprising:
Three-dimensional modeling module 310, carries out three-dimensional modeling for the bearing level piece to be processed, and to bearingThe machining coordinate system of the threedimensional model of level adjusts, make its with actual processing in bearing level piece at machineCoordinate system on bed is consistent;
Roughing module 320, for according to the dimensional requirement of bearing level piece, to bearing level to be processedPiece carries out roughing;
Heat treatment module 330, for quenching and tempering heat treatment to described bearing level piece to be processedTechnique, to arrive default heat treatment hardness;
Semifinishing module 340, for described bearing to be processed is carried out to semifinishing, and adopts line to cutCut electric discharge and be partitioned into bearing level piece blank;
Fine finishining module 350, for described bearing level piece to be processed is carried out to fine finishining, to processThe size requiring and the location cylinder of level piece; According to threedimensional model, utilize ball end mill, treat describedThe bearing of processing carry out milling system, to mill out the groove between R cambered surface and two circular arcs; Reconditioning fillet, round edge,Deburring, completes the processing of bearing level piece.
Above the present invention is described in detail, has applied specific case herein to of the present invention formerReason and embodiment are set forth, and the explanation of above embodiment is just of the present invention for helping to understandMethod and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to think of of the present inventionThink, all will change in specific embodiments and applications, in sum, this descriptionContent should not be construed as limitation of the present invention.
Claims (8)
1. a processing method for bearing level piece, is characterized in that, comprising:
Bearing level piece to be processed is carried out to three-dimensional modeling, and the machining coordinate of threedimensional model to bearing level system adjusts, make its with bearing level piece in actual processing the coordinate system on lathe consistent;
According to the dimensional requirement of bearing level piece, bearing level piece to be processed is carried out to roughing;
Described bearing level piece to be processed is quenched and tempering heat treatment process, to arrive the heat treatment hardness of default workpiece;
Described bearing level piece to be processed is carried out to semifinishing, and adopt line discharge cutting to be partitioned into bearing level piece blank;
Described bearing level piece to be processed is carried out to fine finishining, to process the size of requirement and the location cylinder of level piece;
According to threedimensional model, utilize ball end mill, described bearing to be processed carry out milling system, to mill out the groove between R cambered surface and two circular arcs;
Reconditioning fillet, round edge, deburring, complete the processing of bearing level piece.
2. the processing method of bearing level piece according to claim 1, is characterized in that, bearing level piece to be processed is carried out to roughing, comprising:
According to the dimensional requirement of level piece, bearing level piece each several part to be processed is carried out rough turn, wherein, preferred monolateral made allowance 3.0mm, preferably be 2-3 hour process time, to ensure that the semifinishing of bearing level piece has enough allowance to complete follow-up processing.
3. the processing method of bearing level piece according to claim 1, is characterized in that, described described bearing level piece to be processed is quenched and tempering heat treatment process, to arrive the heat treatment hardness of default workpiece, comprising:
Quench, then carry out water cooling, wherein, preferably hardening heat is 860 DEG C, and preferably temperature hold-time is 2 hours;
Carry out tempering, then carry out sky but, wherein, preferably temperature is 590 DEG C, and preferably temperature hold-time is 3 hours.
4. the processing method of bearing level piece according to claim 1, is characterized in that, described default heat treatment hardness is 170-200.
5. the processing method of bearing level piece according to claim 1, is characterized in that, described bearing level piece to be processed is carried out to semifinishing, comprising:
Bearing level piece each several part to be processed is carried out to half finish turning, and reserve 1mm surplus, to guarantee to process completely the R cambered surface of bearing level piece, preferably, the semifinishing time is 1-2 hour.
6. the processing method of bearing level piece according to claim 1, is characterized in that, according to threedimensional model, described bearing level piece to be processed is carried out to fine finishining, to process the size of requirement and the location cylinder of level piece, comprising:
At the center of described bearing level piece frock to be processed, the hole that drill diameter is 19mm, then reams, precision 0～0.02mm ensure workpiece can with frock interference fits, be preferably 0.5 hour process time;
Centered by four angles of fan-shaped line, rule, the hole that preferably drill diameter is 4-8mm, be preferably 0.5 hour process time, to remove the fillet surplus being formed due to tool diameter, ensures that workpiece and frock can coordinate completely.
7. the processing method of bearing level piece according to claim 1, is characterized in that, utilizes ball end mill, and described bearing to be processed carry out milling system, to mill out the groove between R cambered surface and two circular arcs, comprising:
Use upper and lower two planes of plane milled, wherein, preferably, upper and lower plane made allowance 0.2mm, be preferably 1 hour process time;
Utilize each of the profile of the accurate machining bearing level of digital control wire-electrode cutting piece, be preferably 1 hour process time.
Utilize the groove between R cambered surface and two circular arcs that ball end mill milling system matches with bearing level piece to be processed.
8. a processing unit (plant) for bearing level piece, is characterized in that, comprising:
Three-dimensional modeling module, carries out three-dimensional modeling for the bearing level piece to be processed, and the machining coordinate of threedimensional model to bearing level system adjusts, make its with bearing level piece in actual processing the coordinate system on lathe consistent;
Roughing module, for according to the dimensional requirement of bearing level piece, carries out roughing to bearing level piece to be processed;
Heat treatment module, for described bearing level piece to be processed is quenched and tempering heat treatment process, to arrive default heat treatment hardness;
Semifinishing module, for described bearing to be processed is carried out to semifinishing, and adopts line discharge cutting to be partitioned into bearing level piece blank;
Fine finishining module, for carrying out fine finishining to described bearing level piece to be processed, to process the size of requirement and the location cylinder of level piece; According to threedimensional model, utilize ball end mill, described bearing to be processed carry out milling system, to mill out the groove between R cambered surface and two circular arcs; Reconditioning fillet, round edge, deburring, complete the processing of bearing level piece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510955691.5A CN105583581B (en) | 2015-12-17 | 2015-12-17 | A kind of processing method and device of bearing level block |
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| CN201510955691.5A CN105583581B (en) | 2015-12-17 | 2015-12-17 | A kind of processing method and device of bearing level block |
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| CN105583581B CN105583581B (en) | 2018-12-21 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107470859A (en) * | 2017-07-14 | 2017-12-15 | 西安航天动力机械厂 | A kind of method for manufacturing steel/rubber combined structural test piece |
| CN107520582A (en) * | 2017-08-23 | 2017-12-29 | 沈阳鼓风机集团齿轮压缩机有限公司 | The processing method and device in bearing thrust face |
| CN109063249A (en) * | 2018-06-26 | 2018-12-21 | 沈阳鼓风机集团安装检修配件有限公司 | The special tooling manufacturing method and device of tilting bush tile fragment |
| CN110153650A (en) * | 2019-04-30 | 2019-08-23 | 沈阳透平机械股份有限公司 | The processing method of the saddle-shaped groove blade seat of large-scale axial flow type compressor |
| CN112756919A (en) * | 2020-12-31 | 2021-05-07 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method of compressor ball bearing |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107470859A (en) * | 2017-07-14 | 2017-12-15 | 西安航天动力机械厂 | A kind of method for manufacturing steel/rubber combined structural test piece |
| CN107520582A (en) * | 2017-08-23 | 2017-12-29 | 沈阳鼓风机集团齿轮压缩机有限公司 | The processing method and device in bearing thrust face |
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| CN110153650A (en) * | 2019-04-30 | 2019-08-23 | 沈阳透平机械股份有限公司 | The processing method of the saddle-shaped groove blade seat of large-scale axial flow type compressor |
| CN110153650B (en) * | 2019-04-30 | 2020-11-27 | 沈阳透平机械股份有限公司 | Method for processing saddle groove blade seat of large axial flow compressor |
| CN112756919A (en) * | 2020-12-31 | 2021-05-07 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method of compressor ball bearing |
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| CN105583581B (en) | 2018-12-21 |
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