CN106239066A - A kind of processing method of cabin section workpiece - Google Patents
A kind of processing method of cabin section workpiece Download PDFInfo
- Publication number
- CN106239066A CN106239066A CN201610787923.5A CN201610787923A CN106239066A CN 106239066 A CN106239066 A CN 106239066A CN 201610787923 A CN201610787923 A CN 201610787923A CN 106239066 A CN106239066 A CN 106239066A
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- polish
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Classifications
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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
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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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/01—Aircraft parts
Abstract
The present invention provides the processing method of a kind of cabin section workpiece, and workpiece includes that end face, method include: on the basis of the end face of workpiece, determines the flatness of end face；On the basis of pin-and-hole on end face and bottom outlet, determine the roughing center of workpiece；The profile of workpiece is carried out roughing, detects the allowance of each end face；According to default size, utilize diamond milling cutter that the profile of described workpiece is carried out polish；On the basis of profile after polish, determine the polish center of workpiece；Utilize diamond coatings milling cutter that end face, end face seal boss are carried out side edge cutting and shear blade cutting；Pin-and-hole on end face is carried out boring processing；Pressing plate is utilized to be compressed by the trough rim of notch；Utilize cutter method under spiral, with default cutting step-length, notch carried out segmentation, layering processing.So, the processing method using Reference Transforming, solve machining deformation under unity reference and cause the even problem of wall unevenness；Avoid adding the phenomenon occurring slag man-hour, collapsing block, aliquation.
Description
Technical field
The invention belongs to Machining Technology field, the processing method particularly relating to a kind of cabin section workpiece.
Background technology
In recent years, along with the continuous progress of science and technology, material technology is developed rapidly.Composite is new as one
One of shaped material leading material being increasingly becoming 21 century.Composite has light weight, relatively high specific strength, specific modulus,
The features such as anticorrosive, high temperature resistant, ablation resistance, are the ideal materials of the weapons such as aircraft, guided missile, aerospace craft." metal+multiple
Condensation material " it is a class formation part the most more common in leading armament systems, currently mainly use the technology systems such as winding, suit
Make.
Ceramic matric composite is as a kind of novel composite, and its performance anticorrosive, resistant to elevated temperatures is more powerful.With
The update of Aerospace Products, the requirement to flight time, Mach number is more and more higher, the performance to heat-resistant composite material
Improving constantly Deng requirement, demand is the most increasing.
But due to reasons such as ceramic matric composite hardness are high, fragility is big, processing easy aliquation, fall slag, sharp edge easily collapses block
Deng, tool wear is fast, processes yielding, and machining accuracy, evenness of wall thickness, docking requirement etc. are difficult to ensure that, causes at processing pottery
During the cabin section workpiece of porcelain composite base, quality and the precision of cabin section workpiece can not be ensured.
Based on this, the present invention provides the processing method of a kind of cabin section workpiece, to solve the problems referred to above of the prior art.
Summary of the invention
The problem existed for prior art, the processing method embodiments providing a kind of cabin section workpiece, it is used for
Solve in prior art, when the cabin section workpiece of processing ceramic composite base, easily occur machining deformation, heat shield wall unevenness even,
Fall slag and collapse the phenomenons such as block, cause quality and the unwarrantable technical problem of precision of workpiece.
The present invention provides the processing method of a kind of cabin section workpiece, and described workpiece includes end face, and described end face is provided with groove
Mouthful, described method includes:
On the basis of each end face of described workpiece, determine the flatness of each end face；
On the basis of pin-and-hole on described each end face and bottom outlet, determine the roughing center of described workpiece；
The profile of described workpiece is carried out roughing, detects the allowance of each end face；
According to default size, utilize diamond milling cutter that the profile of described workpiece is carried out polish；
On the basis of profile after polish, determine the polish center of described workpiece；
Utilize diamond coatings milling cutter that each end face and each end face seal boss are carried out side edge cutting according to default size
And shear blade cutting；
According to default pin-and-hole size, the pin-and-hole on each end face is carried out boring processing；
Pressing plate is utilized to be compressed by the trough rim of notch；
Utilize cutter method under spiral, with default cutting step-length, described notch carried out segmentation, layering processing.
In such scheme, the profile of described workpiece is carried out roughing, including:
Trial cut is carried out to big end from the small end of described workpiece；
With 1mm as allowance, utilize described diamond milling cutter suitable to described workpiece along the direction of composite to be wound
Milling Machining；
Workpiece configurations after detection processing, confirms to see light surplus.
In such scheme, the allowance detecting each end face includes: utilize detection method of eddy to detect each end face of described workpiece
Wall thickness, confirm the allowance of each end face according to the wall thickness of described each end face.
In such scheme, on the basis of the profile after polish, determine that the polish center of described workpiece includes:
On the basis of each end face, determine that the flatness of each end face is not more than 0.05；
The polish center of true described workpiece on the basis of workpiece configurations after polish.
In such scheme, utilize diamond milling cutter that each end face carries out side edge cutting and shear blade cutting according to default size
Including:
With 1mm as allowance, utilize diamond coatings milling cutter that each end face is carried out side edge cutting；Again with shear blade cutting
Mode carries out layering fine to each end face and is machined to pre-set dimension.
In such scheme, according to default size utilize diamond milling cutter each end face seal boss is carried out side edge cutting and
Shear blade cutting includes:
With 3mm as allowance, utilize diamond coatings milling cutter that each end face seal boss is carried out side edge cutting；
With 0.5mm as allowance, then in the way of shear blade cutting to each end face seal boss in the way of from the top down
Climb cutting layered cutting；
Utilize diamond coatings milling cutter that seal boss is refined to the size preset.
In such scheme, described cabin section workpiece for diamond-shaped body structure.
In such scheme, after being processed described notch, described method also includes:
Angle square is utilized to detect the linear dimension of described workpiece；
Utilize the wall thickness of the detection method of eddy detection each end face of workpiece；
On the basis of pin-and-hole on each end face and each end face, 3-D photography device is utilized to detect profile and the shape of described workpiece
Position tolerance.
In such scheme, described end face includes: metal covering and heat shield.
In such scheme, described cabin segment length is 1100mm, and the diagonal line length shaft length of rhombogen is 1400mm, short axial length
Degree is 800mm.
The processing method that the invention provides a kind of cabin section workpiece, described workpiece includes end face, described end face is provided with
Notch, described method includes: on the basis of each end face of described workpiece, determines the flatness of each end face；With on described each end face
Pin-and-hole and bottom outlet on the basis of, determine the roughing center of described workpiece；The profile of described workpiece is carried out roughing, and detection is each
The allowance of end face；According to default size, utilize diamond milling cutter that the profile of described workpiece is carried out polish；With finishing
On the basis of profile after work, determine the polish center of described workpiece；Diamond coatings milling cutter pair is utilized according to default size
Each end face and each end face seal boss carry out side edge cutting and shear blade cutting；According to default pin-and-hole size to the pin on each end face
Hole carries out boring processing；Pressing plate is utilized to be compressed by the trough rim of notch；Utilize cutter method under spiral, with default cutting step-length to described
Notch carries out segmentation, layering processing.So, the processing method using Reference Transforming, solve machining deformation under unity reference and lead
The even problem of wall unevenness caused and the overproof problem of docking pin-and-hole pitch-row；And the different position of workpiece uses different compression dresses
Folder mode, it is to avoid adding the phenomenon occurring slag man-hour, collapsing block, aliquation；And then product quality can be efficiently controlled, it is ensured that produce
Product matching requirements.
Accompanying drawing explanation
The processing method schematic flow sheet of the cabin section workpiece that Fig. 1 provides for the embodiment of the present invention one；
The structural representation of the cabin section workpiece that Fig. 2 provides for the embodiment of the present invention one.
Detailed description of the invention
In order to solve when the cabin section workpiece of processing ceramic composite base, easily occur machining deformation, heat shield wall unevenness even,
Fall slag and collapse the phenomenons such as block, cause quality and the unwarrantable technical problem of precision of workpiece, the invention provides a kind of cabin section work
The processing method of part, described workpiece includes end face, and described end face is provided with notch, and described method includes: with described workpiece
On the basis of each end face, determine the flatness of each end face；On the basis of pin-and-hole on described each end face and bottom outlet, determine described workpiece
Roughing center；The profile of described workpiece is carried out roughing, detects the allowance of each end face；According to default size,
Utilize diamond milling cutter that the profile of described workpiece is carried out polish；On the basis of profile after polish, determine described workpiece
Polish center；Utilize diamond coatings milling cutter that each end face and each end face seal boss are carried out side edge according to default size
Cutting and shear blade cutting；According to default pin-and-hole size, the pin-and-hole on each end face is carried out boring processing；Utilize pressing plate by notch
Trough rim compresses；Utilize cutter method under spiral, with default cutting step-length, described notch carried out segmentation, layering processing.
Below by drawings and the specific embodiments, technical scheme is described in further detail.
The present embodiment provides the processing method of a kind of cabin section workpiece, and described workpiece includes end face, described end face is provided with
Notch, described notch is U-type groove mouth.Wherein, the cabin segment length in the present embodiment is 1100mm, in other embodiments, and described cabin
Segment length can be adjusted according to practical situation.
As it is shown in figure 1, said method comprising the steps of:
Step 110, on the basis of each end face of described workpiece, determines the flatness of each end face.
In this step, described end face includes metal covering and heat shield, and metal covering is on the basis of the metallic framework face of workpiece, sharp
Determine that with planimeter the flatness of described metal covering is not more than 0.05.
On the basis of step 111, pin-and-hole on each end face and bottom outlet, determine the roughing center of described workpiece.
In this step, described metal covering is machined with pin-and-hole and bottom outlet, on the basis of described pin-and-hole and bottom outlet, determines described
The roughing center of workpiece.
Step 112, carries out roughing to the profile of described workpiece, detects the allowance of each end face.
In this step, carry out trial cut from the small end of described workpiece to big end, and confirm that the allowance of machined surface is the most equal
Even；With 1mm as allowance, workpiece is rough milled, specifically utilize described diamond milling cutter along composite wood to be wound
Described workpiece climb cutting is processed by the direction of material.
After rough milling, the workpiece configurations after detection rough milling, confirm to see that light surplus is the most sufficient.
Then, utilize the wall thickness of the detection method of eddy detection each end face of described workpiece, confirm according to the wall thickness of described each end face
The allowance of each end face is the most uniform.
Step 113, according to default size, utilizes diamond milling cutter that the profile of described workpiece is carried out polish.
In this step, when the allowance determining each end face of described workpiece is uneven, then coordinate processing profile, it is ensured that each
The uniform wall thickness of end face.Then according to the size preset, utilize diamond milling cutter that the profile of described workpiece is carried out polish.
Step 114, on the basis of the profile after polish, determines the polish center of described workpiece.
In this step, on the basis of the metal covering of each end face, the flatness of each end face is not more than to utilize planimeter to determine
0.05；The polish center of true described workpiece on the basis of workpiece configurations after polish again.
Step 115, utilizes diamond coatings milling cutter to carry out each end face and each end face seal boss according to default size
Side edge cutting and shear blade cutting.
In this step, first with 1mm as allowance, utilize diamond coatings milling cutter that each end face is carried out side edge cutting；
In the way of shear blade cutting, each end face is carried out layering fine again and be machined to pre-set dimension.
Again with 3mm as allowance, utilize diamond coatings milling cutter that each end face seal boss is carried out side edge cutting；With
0.5mm is allowance, then cuts the climb cutting layering in the way of from the top down of each end face seal boss in the way of shear blade cutting
Cut；Recycling diamond coatings milling cutter is refined to the size preset to seal boss.
Finally, utilization carries out boring processing according to default pin-and-hole size to the pin-and-hole on described end face.
Further, after the pin-and-hole on described end face being carried out boring processing according to default pin-and-hole size, also need each end
Notch on face carries out polish, and specifically, before processing, self-control pressing plate, utilizes homemade pressing plate from notch end face to notch side
The trough rim of notch is compressed；Utilize cutter method under spiral, with default cutting step-length, described notch carried out segmentation, layering adds
Work, prevents material aliquation, unsticking, bursts apart；Wherein, described cutting step-length can be adjusted according to practical situation.
After described notch is processed, also need to utilize the linear chi of workpiece described in the conventional sense workpiece sensing such as angle square
Very little；Utilize the wall thickness of the detection method of eddy detection each end face of workpiece；On the basis of pin-and-hole on each end face and each end face, utilize three-dimensional
Photographic attachment detects profile and the form and position tolerance of described workpiece.
Finally, make special protection plate, by pin-and-hole and the bottom outlet of each end face, protective plate is fixed on end face, protects end
The seamed edge of face heat shield and boss.Wherein, cabin section workpiece is specifically as follows diamond-shaped body structure, and its overall structure is as shown in Figure 2.Institute
The diagonal line length shaft length stating rhombogen is 1400mm, and minor axis length is 800mm；In other embodiments, described rhombogen right
Linea angulata long axis length and minor axis length can be adjusted according to practical situation.
The processing method of the cabin section workpiece that the present embodiment provides, uses Reference Transforming processing method, first thick with pin-and-hole location
Processing profile, then determine evenness of wall thickness with eddy current detection method, by coordinating wall thickness finished profile, then on the basis of profile
Processing end face pin hole, determines Product processing coordinate system；Different characteristic processing uses different installation way, it is to avoid adding man-hour
There is slag, collapse block, the phenomenon of aliquation and then product quality can be efficiently controlled, it is ensured that Product Assembly requirement.
The above, only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention, all
Any amendment, equivalent and the improvement etc. made within the spirit and principles in the present invention, should be included in the protection of the present invention
Within the scope of.
Claims (10)
1. the processing method of a cabin section workpiece, it is characterised in that described workpiece includes end face, and described end face is provided with groove
Mouthful, described method includes:
On the basis of each end face of described workpiece, determine the flatness of each end face；
On the basis of pin-and-hole on described each end face and bottom outlet, determine the roughing center of described workpiece；
The profile of described workpiece is carried out roughing, detects the allowance of each end face；
According to default size, utilize diamond milling cutter that the profile of described workpiece is carried out polish；
On the basis of profile after polish, determine the polish center of described workpiece；
Utilize diamond coatings milling cutter that each end face and each end face seal boss are carried out side edge cutting and the end according to default size
Sword cuts；
According to default pin-and-hole size, the pin-and-hole on each end face is carried out boring processing；
Pressing plate is utilized to be compressed by the trough rim of notch；
Utilize cutter method under spiral, with default cutting step-length, described notch carried out segmentation, layering processing.
2. the method for claim 1, it is characterised in that the profile of described workpiece is carried out roughing, including:
Trial cut is carried out to big end from the small end of described workpiece；
With 1mm as allowance, described diamond milling cutter is utilized along the direction of composite to be wound, described workpiece climb cutting to be added
Work；
Workpiece configurations after detection processing, confirms to see light surplus.
3. the method for claim 1, it is characterised in that the allowance detecting each end face includes: utilize EDDY CURRENT
The wall thickness of the method detection each end face of described workpiece, confirms the allowance of each end face according to the wall thickness of described each end face.
4. the method for claim 1, it is characterised in that on the basis of the profile after polish, determines described workpiece
Polish center includes:
On the basis of each end face, determine that the flatness of each end face is not more than 0.05；
The polish center of true described workpiece on the basis of workpiece configurations after polish.
5. the method for claim 1, it is characterised in that utilize diamond milling cutter that each end face is entered according to default size
The cutting of row side edge and shear blade cutting include:
With 1mm as allowance, utilize diamond coatings milling cutter that each end face is carried out side edge cutting；Again in the way of shear blade cutting
Each end face is carried out layering fine and is machined to pre-set dimension.
6. method as claimed in claim 6, it is characterised in that utilize diamond milling cutter close to each end face according to default size
Envelope boss carries out side edge cutting and shear blade cutting includes:
With 3mm as allowance, utilize diamond coatings milling cutter that each end face seal boss is carried out side edge cutting；
With 0.5mm as allowance, then to the climb cutting in the way of from the top down of each end face seal boss in the way of shear blade cutting
Layered cutting；
Utilize diamond coatings milling cutter that seal boss is refined to the size preset.
7. the method for claim 1, it is characterised in that described cabin section workpiece for diamond-shaped body structure.
8. method as claimed in claim 2, it is characterised in that after being processed described notch, described method also includes:
Angle square is utilized to detect the linear dimension of described workpiece；
Utilize the wall thickness of the detection method of eddy detection each end face of workpiece；
On the basis of pin-and-hole on each end face and each end face, 3-D photography device is utilized to detect profile and the morpheme public affairs of described workpiece
Difference.
9. the method for claim 1, it is characterised in that described end face includes: metal covering and heat shield.
10. method as claimed in claim 7, it is characterised in that described cabin segment length is 1100mm, the diagonal line length of rhombogen
Shaft length is 1400mm, and minor axis length is 800mm.
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| CN201610787923.5A CN106239066B (en) | 2016-08-31 | 2016-08-31 | A kind of processing method of bay section workpiece |
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| CN201610787923.5A CN106239066B (en) | 2016-08-31 | 2016-08-31 | A kind of processing method of bay section workpiece |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107570970A (en) * | 2017-09-20 | 2018-01-12 | 湖北三江航天红阳机电有限公司 | A kind of large-scale bay section housing docking pin-and-hole processing method |
| CN110666538A (en) * | 2019-10-09 | 2020-01-10 | 北京星航机电装备有限公司 | Semi-closed five-axis characteristic curved surface machining method based on four-axis machine tool |
| CN113857795A (en) * | 2021-11-11 | 2021-12-31 | 湖北三江航天红阳机电有限公司 | Cabin section machining method |
| CN114054814A (en) * | 2021-12-10 | 2022-02-18 | 湖北三江航天红阳机电有限公司 | Milling method for heat-proof layer |
| CN114211206A (en) * | 2021-12-22 | 2022-03-22 | 北京星航机电装备有限公司 | Method for processing multi-cavity casting cabin body of revolving body |
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| CN114054814A (en) * | 2021-12-10 | 2022-02-18 | 湖北三江航天红阳机电有限公司 | Milling method for heat-proof layer |
| CN114211206A (en) * | 2021-12-22 | 2022-03-22 | 北京星航机电装备有限公司 | Method for processing multi-cavity casting cabin body of revolving body |
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