CN105583581B - A kind of processing method and device of bearing level block - Google Patents
A kind of processing method and device of bearing level block Download PDFInfo
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- CN105583581B CN105583581B CN201510955691.5A CN201510955691A CN105583581B CN 105583581 B CN105583581 B CN 105583581B CN 201510955691 A CN201510955691 A CN 201510955691A CN 105583581 B CN105583581 B CN 105583581B
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- level block
- bearing level
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- bearing
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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
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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
- 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
-
- 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 present invention relates to field of machining, disclose the processing method and device of a kind of bearing level block, by carrying out three-dimensional modeling to bearing level block to be processed, and are adjusted to the Cutter coordinate system of the threedimensional model of bearing level；It is required according to the size of bearing level block, roughing is carried out to bearing level block to be processed；Quenching and tempering heat treatment process are carried out to the bearing level block to be processed；Semifinishing is carried out to bearing level block to be processed, and bearing level block blank is partitioned into using wire cutting electric discharge；The bearing level block to be processed is finished, to process the size of requirement and the positioning cylinder of level block；According to threedimensional model, using ball end mill, milling is carried out to the bearing to be processed；The processing of bearing level block is completed in reconditioning fillet, round edge, deburring.The processing method that the present invention realizes a kind of practical, efficient, high-precision bearing level block solves the technological gap of the level block processing of current bearing.
Description
Technical field
The present invention relates to field of machining more particularly to a kind of processing methods and device of bearing level block.
Background technique
Compressor uses efficient, high performance new construction bearing, and the level block of bearing is the processing difficulties and bottle of the unit
Neck.There is vital influence to whole centrifugal compressor, the level block machining accuracy for improving bearing is to improve set steady
The important means of property.
In the prior art, the level block processing of bearing is high-performance new construction bearing, and the level block of bearing is processed,
Since structure is complicated, difficulty of processing is very big, and the prior art lacks the level block processing technology of bearing, only external few at present
The several countries of number can manufacture.
Summary of the invention
The present invention provides the processing method and device of a kind of bearing level block, solves the level for lacking bearing in the prior art
The technical issues of block processing technology.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of processing method of bearing level block, comprising:
Three-dimensional modeling carried out to bearing level block to be processed, and to the Cutter coordinate system of the threedimensional model of bearing level into
Row adjustment, keeps it consistent with coordinate system of the bearing level block on lathe in actual processing；
It is required according to the size of bearing level block, roughing is carried out to bearing level block to be processed；
Quenching and tempering heat treatment process are carried out to the bearing level block to be processed, at the heat to reach default workpiece
Manage hardness；
Semifinishing is carried out to the bearing level block to be processed, and bearing level block is partitioned into using wire cutting electric discharge
Blank；
The bearing level block to be processed is finished, to process the size of requirement and the positioning column of level block
Face；
According to threedimensional model, using ball end mill, milling is carried out to the bearing to be processed, with mill out R cambered surface and
Groove between two circular arcs；
The processing of bearing level block is completed in reconditioning fillet, round edge, deburring.
A kind of processing unit (plant) of bearing level block, comprising:
Three-dimensional modeling module, for carrying out three-dimensional modeling to bearing level block to be processed, and to the three-dimensional of bearing level
The Cutter coordinate system of model is adjusted, and keeps it consistent with coordinate system of the bearing level block on lathe in actual processing；
Roughing module slightly add to bearing level block to be processed for being required according to the size of bearing level block
Work；
Heat treatment module, for carrying out quenching and tempering heat treatment process to the bearing level block to be processed, to arrive
Up to the heat treatment hardness of default workpiece；
Semifinishing module, for carrying out semifinishing to the bearing to be processed, and using wire cutting electric discharge segmentation
Bearing level block blank out；
Module is finished, for finishing to the bearing level block to be processed, to process the size of requirement
With the positioning cylinder of level block；According to threedimensional model, using ball end mill, milling is carried out to the bearing to be processed, with
Mill out the groove between R cambered surface and two circular arcs；The processing of bearing level block is completed in reconditioning fillet, round edge, deburring.
The present invention provides the processing method and device of a kind of bearing level block, by bearing level block progress to be processed
Three-dimensional modeling, and the Cutter coordinate system of the threedimensional model of bearing level is adjusted；It is required according to the size of bearing level block,
Roughing is carried out to bearing level block to be processed；Quenching and tempering heat treatment work are carried out to the bearing level block to be processed
Skill, to reach the heat treatment hardness of default workpiece；Semifinishing is carried out to the bearing level block to be processed, and is cut using line
It cuts electric discharge and is partitioned into bearing level block blank；According to threedimensional model, the bearing level block to be processed is finished, with
Process the size of requirement and the positioning cylinder of level block；Using ball end mill, milling is carried out to the bearing to be processed,
To mill out the groove between R cambered surface and two circular arcs；The processing of bearing level block is completed in reconditioning fillet, round edge, deburring.The present invention
The processing method for realizing a kind of practical, efficient, high-precision bearing level block solves the skill of the level block processing of current bearing
Art blank.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 a is the top view for the Fixture Design that the bearing level block of the embodiment of the present invention is processed；
Fig. 1 b is the side view for the Fixture Design that the bearing level block of the embodiment of the present invention is processed；
Fig. 2 is a kind of flow chart of the processing method of bearing level block of the embodiment of the present invention；
Fig. 3 is a kind of structure chart of the processing unit (plant) of bearing level block of the embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It as seen in figure la and lb, is the Fixture Design figure of bearing level block provided in an embodiment of the present invention processing, wherein R
It is groove 4 between cambered surface 2,4 center of groove is first positioning hole 1, is equipped with second location hole 3 centered on four fan-shaped angles.
Below with reference to how to process bearing level block as seen in figure la and lb, a kind of processing method of bearing level block is discussed in detail,
As shown in Figure 2, comprising:
Step 201 carries out three-dimensional modeling, and the processing of the threedimensional model to bearing level to bearing level block to be processed
Coordinate system is adjusted, and keeps it consistent with coordinate system of the bearing level block on lathe in actual processing；
Wherein, threedimensional model is mainly the Machining of Curved Surface for being applied to finishing.
Step 202 is required according to the size of bearing level block, carries out roughing to bearing level block to be processed；
Wherein, step 202 can specifically include: it is required according to the size of level block, it is each to bearing level block to be processed
Part carries out rough turn, wherein unilateral made allowance 3.0mm, process time is 2-3 hours, to guarantee half finishing of bearing level block
Work has enough machining allowance to complete subsequent processing.
Step 203 carries out quenching and tempering heat treatment process to the bearing level block to be processed, to reach default work
The heat treatment hardness of part；
Wherein, the mode of heat treatment includes normalizing, quenching, any one or two kinds in tempering.
Step 203 can specifically include:
It is quenched, it is cooling then to carry out water, wherein hardening heat is 860 DEG C, and temperature hold-time is 2 hours；
It is tempered, then carries out sky but, wherein tempering temperature is 590 DEG C, and temperature hold-time is 3 hours.
The technique of step 203 ensure that the mechanical performance and stiffness conditions of bearing level block.
The preset heat treatment hardness is 170-200.
Step 204 carries out semifinishing to the bearing level block to be processed, and using wire cutting electric discharge segmentation shaft
Hold level block blank；
Wherein, operation to step 204 for the bearing level block to be processed, in addition to curved surface and top and bottom, remaining
All machined completion.
Step 204 can specifically include: carrying out half smart car to bearing level block each section to be processed, and reserves 1mm
Surplus, to guarantee to process the R cambered surface of bearing level block completely, the semifinishing time is 1-2 hours.Through overtesting surplus
The R cambered surface of bearing level block can be processed completely for 1mm, while when the surplus for reducing surface grinding machine decreases processing
Between.
Step 205 finishes the bearing level block to be processed, to process the size and level block of requirement
Positioning cylinder；
Wherein, step 205 can specifically include:
Step 205-1, at the center of the bearing level block tooling to be processed, drill straight diameter is the hole of 19mm, then into
Row fraising, precision guarantee that workpiece can be 0.5 hour with tooling transition fit, process time in 0~0.02mm；
Step 205-2, it is crossed centered on four angles of fan-shaped line, drill straight diameter is the hole of 4-8mm, process time 0.5
Hour, with removal since cutter diameter is formed by fillet surplus, guarantee that workpiece and tooling can be fully mated.
, no matter all can be in curved surface phase using any cutter due to four side wall curved surfaces using straight shank end mill processing tool
There are the fillet surpluses that cutter is formed at friendship, it is therefore desirable to be crossed centered on four angles of fan-shaped line, drill straight diameter is 4-8mm's
Hole can be completely removed in this way since cutter diameter is formed by fillet surplus, guarantee that workpiece and tooling can be fully mated,
It can be carried out next step curved surface milling finishing.
Step 206, according to threedimensional model, using ball end mill, milling is carried out to the bearing to be processed, to mill out
Groove between R cambered surface and two circular arcs；
Wherein, step 206 can specifically include:
Step 206-1, using upper and lower two plane of plane milled, wherein upper and lower plane made allowance 0.2mm, process time
It is 1 hour；
The step ensure that the surplus of numerical control milling processing curve, and reduce the surplus of finishing, while reducing number
Control the time of milling processing.
Step 206-2, each face of shape of bearing level block is accurately processed using digital control wire-electrode cutting, process time is 1 hour；
Step 206-3, the R cambered surface matched with bearing level block to be processed using ball end mill milling and two circular arcs
Between groove.
Step 207, reconditioning fillet, round edge, deburring complete the processing of bearing level block.
The present invention provides a kind of processing method of bearing level block, is built by carrying out three-dimensional to bearing level block to be processed
Mould, and the Cutter coordinate system of the threedimensional model of bearing level is adjusted；It is required according to the size of bearing level block, to be added
The bearing level block of work carries out roughing；Quenching and tempering heat treatment process are carried out to the bearing level block to be processed, with
Reach the heat treatment hardness of default workpiece；Semifinishing is carried out to the bearing level block to be processed, and is put using wire cutting
Electricity is partitioned into bearing level block blank；According to threedimensional model, the bearing level block to be processed is finished, with processing
The positioning cylinder of the size and level block that require out；Using ball end mill, milling is carried out to the bearing to be processed, with milling
Groove between R cambered surface and two circular arcs out；The processing of bearing level block is completed in reconditioning fillet, round edge, deburring.The present invention realizes
A kind of processing method of practical, efficient, high-precision bearing level block, the technology for solving the level block processing of current bearing are empty
It is white.
The embodiment of the invention also provides a kind of processing unit (plant)s of bearing level block, as shown in Figure 3, comprising:
Three-dimensional modeling module 310, for carrying out three-dimensional modeling to bearing level block to be processed, and to the three of bearing level
The Cutter coordinate system of dimension module is adjusted, and keeps it consistent with coordinate system of the bearing level block on lathe in actual processing；
Roughing module 320 carries out bearing level block to be processed thick for being required according to the size of bearing level block
Processing；
Heat treatment module 330, for carrying out quenching and tempering heat treatment process to the bearing level block to be processed, with
Reach preset heat treatment hardness；
Semifinishing module 340, for carrying out semifinishing to the bearing to be processed, and using wire cutting electric discharge point
Cut out bearing level block blank；
Module 350 is finished, for finishing to the bearing level block to be processed, to process the ruler of requirement
Very little and level block positioning cylinder；According to threedimensional model, using ball end mill, milling is carried out to the bearing to be processed,
To mill out the groove between R cambered surface and two circular arcs；The processing of bearing level block is completed in reconditioning fillet, round edge, deburring.
The present invention is described in detail above, specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile it is right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (6)
1. a kind of processing method of bearing level block characterized by comprising
Three-dimensional modeling is carried out to bearing level block to be processed, and the Cutter coordinate system of the threedimensional model of bearing level is adjusted
It is whole, keep it consistent with coordinate system of the bearing level block on lathe in actual processing；
It is required according to the size of bearing level block, roughing is carried out to bearing level block to be processed；
Quenching and tempering heat treatment process are carried out to the bearing level block to be processed, it is hard with the heat treatment for reaching default workpiece
Degree；
Semifinishing is carried out to the bearing level block to be processed, and bearing level block hair is partitioned into using wire cutting electric discharge
Base；
The bearing level block to be processed is finished, to process the size of requirement and the positioning cylinder of level block；
According to threedimensional model, using ball end mill, milling is carried out to the bearing to be processed, to mill out R cambered surface and two circles
Groove between arc；
The processing of bearing level block is completed in reconditioning fillet, round edge, deburring；
Wherein, quenching and tempering heat treatment process are carried out to the bearing level block to be processed, to reach the heat of default workpiece
Handle hardness, comprising:
It is quenched, it is cooling then to carry out water, wherein hardening heat is 860 DEG C, and temperature hold-time is 2 hours；
It is tempered, then carries out sky but, wherein tempering temperature is 590 DEG C, and temperature hold-time is 3 hours；
According to threedimensional model, the bearing level block to be processed is finished, to process the size and level of requirement
The positioning cylinder of block, comprising:
At the center of the bearing level block tooling to be processed, drill straight diameter is the hole of 19mm, is then reamed, precision is in 0-
0.02mm guarantees that workpiece can be 0.5 hour with tooling transition fit, process time；
Crossed centered on four angles of fan-shaped line, drill straight diameter be 4-8mm hole, process time be 0.5 hour, with removal due to
Cutter diameter is formed by fillet surplus, guarantees that workpiece and tooling can be fully mated.
2. the processing method of bearing level block according to claim 1, which is characterized in that bearing level block to be processed
Carry out roughing, comprising:
It is required, bearing level block each section to be processed is carried out rough turn, wherein unilateral made allowance according to the size of level block
3.0mm, process time is 2-3 hours, to guarantee that the semifinishing of bearing level block has enough machining allowance subsequent to complete
Processing.
3. the processing method of bearing level block according to claim 1, which is characterized in that the heat treatment of the default workpiece
Hardness is 170-200.
4. the processing method of bearing level block according to claim 1, which is characterized in that the bearing water to be processed
Quasi- block carries out semifinishing, comprising:
Half smart car is carried out to bearing level block each section to be processed, and reserves 1mm surplus, to guarantee to process completely
The R cambered surface of bearing level block, semifinishing time are 1-2 hours.
5. the processing method of bearing level block according to claim 1, which is characterized in that ball end mill is utilized, to institute
It states bearing to be processed and carries out milling, to mill out the groove between R cambered surface and two circular arcs, comprising:
Use upper and lower two plane of plane milled, wherein upper and lower plane made allowance 0.2mm, process time are 1 hour；
Each face of shape of bearing level block is accurately processed using digital control wire-electrode cutting, process time is 1 hour；
Groove between the R cambered surface matched using ball end mill milling with bearing level block to be processed and two circular arcs.
6. a kind of processing unit (plant) of bearing level block characterized by comprising
Three-dimensional modeling module, for carrying out three-dimensional modeling to bearing level block to be processed, and to the threedimensional model of bearing level
Cutter coordinate system be adjusted, keep it consistent with coordinate system of the bearing level block on lathe in actual processing；
Roughing module carries out roughing to bearing level block to be processed for requiring according to the size of bearing level block；
Heat treatment module, it is pre- to reach for carrying out quenching and tempering heat treatment process to the bearing level block to be processed
If heat treatment hardness；
Semifinishing module, for carrying out semifinishing to the bearing to be processed, and using wire cutting electric discharge segmentation shaft
Hold level block blank；
Module is finished, for finishing to the bearing level block to be processed, to process the size and water of requirement
The positioning cylinder of quasi- block；According to threedimensional model, using ball end mill, milling is carried out to the bearing to be processed, to mill out R
Groove between cambered surface and two circular arcs；The processing of bearing level block is completed in reconditioning fillet, round edge, deburring.
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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 true CN105583581B (en) | 2018-12-21 |
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| CN107470859B (en) * | 2017-07-14 | 2019-04-19 | 西安航天动力机械厂 | A method of manufacture steel/rubber composite construction test specimen |
| CN107520582B (en) * | 2017-08-23 | 2019-07-12 | 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 |
| 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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| CN103273282B (en) * | 2013-06-20 | 2015-09-09 | 贵州红林机械有限公司 | The processing method of the special profile of elongate rod high accuracy |
| CN103464989A (en) * | 2013-09-16 | 2013-12-25 | 苏州大学 | Machining process of precision turbine part |
| CN104070329A (en) * | 2014-06-30 | 2014-10-01 | 成都高普石油工程技术有限公司 | Processing technology for claws on petroleum drilling drill bit |
| CN104384825B (en) * | 2014-08-01 | 2017-02-01 | 中国人民解放军第五七一九工厂 | Machining deformation control method of bushing thin-wall part |
| CN105081701B (en) * | 2015-09-15 | 2017-07-14 | 沈阳飞机工业（集团）有限公司 | A kind of processing method of Idiotype punching pin |
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