CN106624644B - Ferrite-plate class structural features processing method and its tooling containing elongated inclined hole feature - Google Patents
Ferrite-plate class structural features processing method and its tooling containing elongated inclined hole feature Download PDFInfo
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- CN106624644B CN106624644B CN201611189497.1A CN201611189497A CN106624644B CN 106624644 B CN106624644 B CN 106624644B CN 201611189497 A CN201611189497 A CN 201611189497A CN 106624644 B CN106624644 B CN 106624644B
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- ferrite
- inclined hole
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- structural features
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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
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling And Boring (AREA)
Abstract
The present invention relates to a kind of ferrite-plate class structural features processing methods and its tooling containing elongated inclined hole feature, pass through this method and tooling, avoiding needs frequently to adjust pressing plate compacted position in ferrite-plate class structural features process, pressing plate pretightning force is excessive to easily cause workpiece fracture, directly drill chipping serious problem when processing elongated inclined hole, to improve processing efficiency, it can be used within bulk 30mm × 30mm × 20mm, the high-efficiency and precision of aperture Φ 1mm~Φ 3mm ferrite-plate class structural features is processed, certain reference is machined with to such ferrite-plate class structural features containing elongated inclined hole feature.
Description
Technical field
This patent is related to a kind of ferrite-plate class structural features processing method and its tooling containing elongated inclined hole feature, can be real
Within existing bulk 30 × 30 × 20, the high-efficiency and precision of aperture Φ 1mm~Φ 3mm ferrite-plate class structural features is processed.
Background technology
Ferrite belongs to typical hard brittle material, ferrite structural features generally use PCD milling cutters and diamond grinding head into
The processing of row type face or hole characteristic, tool wear is serious, and surface quality is poor, and the mode of clamping is mostly that pressing plate is fixed.But it is right
For structural features, the installation way Shortcomings that pressing plate compresses, other than needing frequently adjustment compacted position, clamping dynamics
Also more difficult assurance causes frictional force insufficient if pressing force is smaller, then workpiece has mobile risk in process, if pressure
Clamp force is excessive, easily causes workpiece fracture；Simultaneously for the processing of the elongated inclined hole on ferrite structural features, there is clamping is tired
The problems such as hardly possible, the easy chipping in aperture.Increasingly extensive in the application of aerospace field now with ferrite, there is an urgent need to solve
The problem of certainly such ferrite structural features processing containing elongated inclined hole feature, improves processing quality, cost efficiency.
Invention content
The purpose of the present invention is to provide a kind of achievable ferrite-plate class structural features containing elongated inclined hole feature are efficient
Processing method and its tooling, structural member schematic diagram such as Fig. 1, the tooling being related to include：Pedestal, positioning pin, left fixed support dress
It sets, right fixed support device, magnetic suction disc, compression bar, wherein magnetic suction disc is fixed on platen, by base when milling shape
Seat is placed on magnetic suction disc, and blank is fixed on pedestal；Left fixed support device and right fixed support device are placed on when drilling
Opposite to install on pedestal, workpiece is embedded in left and right support device, there is the pin hole of positioning on left and right fixed support device, will
Positioning pin is inserted into two pin holes and positions, and compression bar is steel part, is placed on left and right fixed support device and workpiece, and skill is embodied
Art scheme is as follows：
The first step：Ferrite blank bottom surface is sticked on pedestal using cementation method, base size is true according to accessory size
It is fixed；Pedestal is fixed on magnetic suction disc, as shown in Fig. 2, pedestal is fixed using magnetic force, overcomes previous ferrite structural features
The shortcomings that Milling Process pressing plate, which compresses clamping, need to frequently adjust compacted position, and clamping dynamics difficulty is held；
Second step：PCD milling cutter ultrasonic vibrations auxiliary milling is replaced to process structural member outer profile using diamond milling head
Profile is to the requirement of drawing size, and milling processing is relative to Milling Process with cutting force is small, tool life is high, at low cost, table
The advantages such as face is high-quality；
Third walks：For the inclined hole feature on structural member side, devises steel easy to disassemble and split around auxiliary branch
Drilling tool is supportted, the in-profile of Auxiliary support copies structural member configuration design, can be with structural member form fit, and left and right part
On be equipped with dowel hole and drilling pilot hole, positioning pin is inserted into pin hole and is positioned；Aperture can effectively be reduced by carrying out drilling
Chipping degree, improves yield rate, and tooling side is equipped with drilling pilot hole.Second step milling removes workpiece after processing is completed, will
The workpiece of elongated inclined hole to be processed is among left fixing device and right fixing device, and left and right fixing device is opposite to be installed, ruler
Very little and shape determines that hand-operated clamping is inserted into positioning pin and is positioned, and tooling is placed on magnetic suction disc according to part outline
On, after beating table alignment tool, compression bar is placed in top, limits Z-direction degree of freedom, as shown in Figure 3,4, after centering,
Steel compression piece is placed on limitation workpiece Z-axis direction degree of freedom above tooling, starts magnetic suction disc and completes clamping workpiece, then
The elongated inclined hole processing of structural member is carried out by tooling pilot hole ultrasonic vibration auxiliary using diamond core boring bit.
Ultrasonic vibration aided machining processes parameter is as follows：
One, diamond milling head milling appearance profile：
Milling head diameter：Φ8-Φ12；Rotating speed n=90000~12000r/min；Feed f=400~600mm/min；Milling
Face grinding cutting-in ap1=0.05-0.1mm, milling side cutting-in ap2=0.1~0.3mm；Ultrasonic amplitude A=9-10um.
Two, diamond core boring bit drills：
Cylindrical drill diameter：Φ1-Φ3；Rotating speed n=10000~13000r/min；It is fed when drilling 2 holes 1~Φ Φ：F=5
~8mm/min, whens drilling 3 holes 2~Φ Φ, feed：F=10~15mm/min；It is primary that chip removal is griffed deeply per 2mm；Ultrasonic amplitude A
=9-10um.
Description of the drawings
Fig. 1 is the ferrite-plate class structural features structural schematic diagram containing elongated inclined hole feature；Wherein, (a) is containing elongated oblique
The ferrite-plate class structural features side view of hole characteristic；(b) it is the A-A sectional views for scheming (a)；
Fig. 2 is a kind of ferrite-plate class structural features milling shape tooling containing elongated inclined hole feature；
Fig. 3 is a kind of ferrite structural features inclined hole processing tool exploded view containing elongated inclined hole feature；
Fig. 4 is a kind of ferrite structural features inclined hole processing tool vertical view containing elongated inclined hole feature；
1：Pedestal；2：Positioning pin；3：Left fixed support device；4：Right fixed support device；5：Magnetic suction disc；6 compression bars；
7：Structural member blank.
Specific implementation mode
Invention is described further below by example, it is however noted that, the purpose for publicizing and implementing example exists
In helping to further understand the present invention, but it will be appreciated by those skilled in the art that：The present invention and appended power are not being departed from
In the spirit and scope that profit requires, various substitutions and modifications are all possible.Therefore, it is public to should not be limited to embodiment institute by the present invention
The content opened, the scope of protection of present invention is subject to the scope defined in the claims.
The purpose of the present invention is to provide a kind of achievable ferrite-plate class structural features containing elongated inclined hole feature are efficient
Processing method and its tooling, structural member schematic diagram such as Fig. 1, the tooling being related to include：Pedestal, positioning pin, left fixed support dress
It sets, right fixed support device, magnetic suction disc, compression bar, specific implementation technical solution is as follows：
The first step：Ferrite blank bottom surface is sticked on pedestal using cementation method, pedestal is fixed on magnetic suction disc,
As shown in Fig. 2, pedestal is fixed by magnetic force；
Second step：PCD milling cutter ultrasonic vibrations auxiliary milling is replaced to process structural member outer profile using diamond milling head
Profile to drawing size requires；
Third walks：For the inclined hole feature on structural member side, devises steel easy to disassemble and split around auxiliary branch
Drilling tool is supportted, the in-profile of Auxiliary support copies structural member configuration design, can be with structural member form fit, and left and right part
On be equipped with dowel hole and drilling pilot hole, positioning pin is inserted into pin hole and is positioned；Aperture can effectively be reduced by carrying out drilling
Chipping degree, improves yield rate, and tooling side is equipped with drilling pilot hole.Second step milling removes workpiece after processing is completed, will
The workpiece of elongated inclined hole to be processed is among left fixing device and right fixing device, and left and right fixing device is opposite to be installed, manually
It clamps, is inserted into positioning pin and is positioned, and tooling is placed on magnetic suction disc, after beating table alignment tool, compression bar is placed in
Side limits Z-direction degree of freedom, as shown in Figure 3,4, after centering, steel compression piece is placed on limitation workpiece Z above tooling
Axis direction degree of freedom, starts magnetic suction disc and completes clamping workpiece, then uses diamond core boring bit super by tooling pilot hole
Sound and vibration dynamic auxiliary carries out the elongated inclined hole processing of structural member.
Ultrasonic vibration aided machining processes parameter is as follows：
One, diamond milling head milling appearance profile：
Milling head diameter：Φ12；Rotating speed n=10000r/min；Feed f=500mm/min；Milling end face cutting-in ap1=
0.08mm, milling side cutting-in ap2=0.2mm；Ultrasonic amplitude A=9.9um.
Two, diamond core boring bit drills：
Cylindrical drill diameter：Φ 1.2 and Φ 2；Rotating speed n=10000r/min；It is fed when drilling 1.2 holes Φ：F=5mm/min,
It is fed when drilling 2 holes Φ：F=12mm/min；It is primary that chip removal is griffed deeply per 2mm；Ultrasonic amplitude A=9.9um.
Using this processing method and tooling, avoiding needs frequently to adjust pressing plate compression in ferrite structural features process
Position, the excessive workpiece of pressing plate pretightning force press easy fracture, and chipping serious problem in aperture when elongated inclined hole processing directly drills ensures
Processing efficiency is substantially increased while structural member Geometrical Tolerance Principle, to such small structure of ferrite containing elongated inclined hole feature
Part is machined with certain reference.
Claims (2)
1. a kind of ferrite-plate class structural features processing method containing elongated inclined hole feature, which is characterized in that include the following steps：
The first step：Magnetic suction disc is fixed on the table, ferrite blank bottom surface is sticked to the base of tooling using cementation method
On seat, pedestal is fixed on magnetic suction disc；
Second step：It is wanted using diamond milling head ultrasonic vibration auxiliary milling processing structural member outer profile profile to drawing size
It asks；
Third walks：Milling removes workpiece after processing is completed, by the workpiece of elongated inclined hole to be processed embedded in left fixed support device and
Among right fixed support device, left and right fixing device is symmetrically installed, hand-operated clamping, is inserted into positioning pin and is positioned, and by tooling
It is placed on magnetic suction disc, after beating table alignment tool, compression bar is placed in top, limits Z-direction degree of freedom, after centering,
Start magnetic suction disc and complete clamping workpiece, diamond core boring bit is then used to be carried out by tooling pilot hole ultrasonic vibration auxiliary
The elongated inclined hole processing of structural member.
2. the ferrite-plate class structural features processing method containing elongated inclined hole feature as described in claim 1, which is characterized in that
Ultrasonic vibration aided machining processes parameter is as follows：
Diamond milling head milling appearance profile：
Milling head diameter：Φ8-Φ12；Rotating speed n=90000~12000r/min；Feed speed f=400~600mm/min；Milling
Face grinding cutting-in ap1=0.05-0.1mm, milling side cutting-in ap2=0.1~0.3mm；Ultrasonic amplitude A=9-10um；
Diamond core boring bit drills：
Cylindrical drill diameter：Φ1-Φ3；Rotating speed n=10000~13000r/min；It is fed when drilling 2 holes 1~Φ Φ：F=5~
8mm/min, whens drilling 3 holes 2~Φ Φ, feed：F=10~15mm/min；It is primary that chip removal is griffed deeply per 2mm；Ultrasonic amplitude A=
9-10um。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611189497.1A CN106624644B (en) | 2016-12-21 | 2016-12-21 | Ferrite-plate class structural features processing method and its tooling containing elongated inclined hole feature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611189497.1A CN106624644B (en) | 2016-12-21 | 2016-12-21 | Ferrite-plate class structural features processing method and its tooling containing elongated inclined hole feature |
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| CN106624644A CN106624644A (en) | 2017-05-10 |
| CN106624644B true CN106624644B (en) | 2018-08-03 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396751A (en) * | 2017-08-17 | 2019-03-01 | 中北大学 | The common process in hole and ultrasonic vibration precision processing method on cylindrical structure |
| CN112276481B (en) * | 2020-09-22 | 2021-10-15 | 天津津航技术物理研究所 | Gyro cavity hole path processing method based on passive laser gyroscope |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4411041C2 (en) * | 1994-03-30 | 2002-05-29 | Pauli & Sohn Gmbh | Device for positioning holes |
| CN102233523A (en) * | 2011-05-06 | 2011-11-09 | 泰德兴精密电子（昆山）有限公司 | Machining clamp for numerical control machine |
| CN102773741A (en) * | 2012-04-28 | 2012-11-14 | 苏州金牛精密机械有限公司 | Inclined hole processing clamp |
| CN202894392U (en) * | 2012-10-23 | 2013-04-24 | 毛丽佳 | Digital controlled drill |
| CN203527000U (en) * | 2013-10-08 | 2014-04-09 | 中国第一汽车股份有限公司 | Gear shifting guide shaft drilling clamp |
| CN204195294U (en) * | 2014-10-11 | 2015-03-11 | 昆山名威精密工业有限公司 | A kind of hot runner hot chews the slant hole processing device of head |
| CN206296635U (en) * | 2016-12-21 | 2017-07-04 | 北京航天新风机械设备有限责任公司 | Ferrite-plate class structural features processing tool containing elongated inclined hole feature |
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