CN110369951A - The processing method and metal center of metal center - Google Patents
The processing method and metal center of metal center Download PDFInfo
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- CN110369951A CN110369951A CN201910597504.9A CN201910597504A CN110369951A CN 110369951 A CN110369951 A CN 110369951A CN 201910597504 A CN201910597504 A CN 201910597504A CN 110369951 A CN110369951 A CN 110369951A
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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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Abstract
A kind of processing method of metal center includes the following steps: to provide mental section；Preparatory processing is carried out respectively in the front of mental section and reverse side, the initial groove of positive side is processed in the positive Middle face of mental section, initial groove of tossing about is processed in the middle part of the reverse side of mental section, obtains center just type；Twin grinding is carried out to type at the beginning of center；Injection molding slot position and antenna slot position are being processed at the beginning of center in type；Injection process is carried out to type at the beginning of center, obtains compound framework；Finishing processing is carried out to compound framework, obtains metal center.By carrying out preparatory processing respectively in the front of mental section and reverse side respectively before type at the beginning of center carries out grinding and slot position processing, the initial groove of positive side and initial groove of tossing about produce release to the stress of type at the beginning of center, generate local deformation because of the effect of internal stress to can avoid combo box body following process and influence flatness effect.The invention also includes a kind of metal centers, are made using the processing method of above-mentioned metal center.
Description
Technical field
The present invention relates to technical field of electronic equipment, in the processing method and metal more particularly to a kind of metal center
Frame.
Background technique
With the continuous development of mobile terminal technology, the application of the electronic equipments such as smart phone, palm PC is extremely
Generally, become the important component in people's work and life, the shell of electronic equipment generallys use metal middle frame structure, gold
Belonging to middle frame structure has the advantages that wear-resisting and is easy heat dissipation, while product can be made to leave high-end impression to user.
These electronic equipments are all to first pass through CNC machine to process to obtain metal center in production and assembly, later by circuit
Metal center summarizes in the installation such as plate, battery, before and after capacitance touch screen, battery cover are mounted on metal center, to form hand
The electronic equipments such as machine or plate.
However, the overall structure of metal center tends to be weak, leads since intelligent electronic device constantly pursues smaller thickness
Cause metal center is easy to produce deformation, the assembly effect of intelligent electronic device is impacted.
Summary of the invention
Based on this, it is necessary to provide it is a kind of may make metal center avoid generate deformation metal center processing method and
The metal center made from this method.
A kind of processing method of metal center, includes the following steps:
Mental section is provided；
Preparatory processing is carried out respectively in the front of the mental section and reverse side, is added in the positive Middle face of the mental section
Work goes out the initial groove of positive side, and initial groove of tossing about is processed in the middle part of the reverse side of the mental section, obtains center just type；
Twin grinding is carried out to type at the beginning of center；
Injection molding slot position and antenna slot position are being processed at the beginning of the center in type；
Injection process is carried out to type at the beginning of the center, obtains compound framework；
Finishing processing is carried out to the compound framework, obtains metal center.
The processing method of above-mentioned metal center, by type at the beginning of center carry out grinding and slot position processing before respectively in metal mold
The front of material and reverse side carry out preparatory processing respectively, and the initial groove of positive side and initial groove of tossing about generate the stress of type at the beginning of center
Release generates because of the effect of internal stress local deformation and influences flatness effect to can avoid combo box body following process
Fruit guarantees that metal center meets matching requirements.
In one of the embodiments, when the front of the mental section carries out preparatory processing, in the mental section
Front remain with convex platform；When the reverse side of mental section carries out preparatory processing, remained in the reverse side of the mental section
Lower convex platform guarantees center just type grinding to provide support from type at the beginning of two middle side parts to center respectively during twin grinding
Flatness afterwards.
In one of the embodiments, the step of processing is molded slot position and antenna slot position on the front of type at the beginning of the center
In, the first jig platform for being used to support the metal center is carried out by reverse side of first vacuum sucking holes to the metal center
Absorption, so that laminating degree of the center just between type reverse side and the first jig platform supporting surface is improved, the plane after improving processing
Degree；The step of carrying out finishing processing to the compound framework includes carrying out finishing processing to the front of the compound framework,
When accurately being processed on the front of the compound framework, the second jig platform of the compound framework is used to support by the
Two vacuum sucking holes adsorb the reverse side of the compound framework, thus the supporting surface of the second jig platform of raising and compound framework
Reverse side between laminating degree, improve processing after flatness.
In one of the embodiments, processed in type at the beginning of the center injection molding slot position and antenna slot position in described
Just type further comprise the steps of: between injection process and carry out nano surface corrosion to the metal center, at the beginning of improving center frame
Percentage bound between the metal and injected plastics material of type.
The step of carrying out finishing processing to the compound framework in one of the embodiments, includes to the combo box
The front of body carries out finishing processing and carries out finishing processing to the reverse side of the compound framework；The compound framework just
When accurately being processed on face, primary outer fiber stress slot is opened up on the skirt of the compound framework；In the compound framework
When accurately being processed on reverse side, secondary outer fiber stress slot is opened up on the skirt of compound framework and is mentioned with further discharging stress
Rise flatness effect.
The step of carrying out finishing processing to the compound framework in one of the embodiments, includes to the combo box
The reverse side of body carries out finishing processing, and when carrying out finishing processing to the reverse side of the compound framework, third jig platform passes through
Compound framework is fixed in the fixed part retained on the edge of the compound framework, and the third jig platform passes through vacuum
Sucker adsorbs the front of the compound framework, to improve front and the supporting surface of third jig platform of compound framework
Between laminating degree, improve processing after flatness.
The step of carrying out finishing processing to the compound framework in one of the embodiments, includes to the combo box
The edge of body carries out finishing processing；When carrying out finishing processing to the edge of the compound framework, the 4th jig platform is to institute
The edge for stating compound framework provides point support, leads to compound framework to avoid accumulation of the metal fillings on the 4th jig platform
Deformation.
The step of carrying out finishing processing to the compound framework in one of the embodiments, includes to the combo box
The edge of body carries out finishing processing, when carrying out finishing processing to the edge of the metal center；The compound framework is placed
On the 4th jig platform, metal cover board, the electromagnet pair in the 4th jig platform are placed with above the compound framework
The metal cover board generates magnetic force, and the processing to compound frame edge is avoided to impact.
Carrying out finishing processing to the compound framework in one of the embodiments, includes the side to the compound framework
Edge carries out finishing processing；When carrying out finishing processing to the edge of the compound framework, on the edge of the compound framework
It is easy to produce the position for upwarping or sinking and cutting compensation is provided, to guarantee the flatness of the reverse side of compound framework.
A kind of metal center is made, to guarantee metal center and screen or electricity using the processing method of above-mentioned metal center
The edge of pond cover board is bonded effect.
Detailed description of the invention
Fig. 1 is the key step flow chart of the processing method of the metal center of a preferred embodiment of the invention；
Fig. 2 is the subsequent step flow chart of the processing method of metal center shown in FIG. 1；
Fig. 3 A is that just type completes the positive stereoscopic diagram after positive preparatory processing to center；
Fig. 3 B is that just type completes the reverse side stereoscopic schematic diagram after reverse side preparatory processing to center；
Fig. 4 is the volumetric body figure for completing the first type of center and the first jig platform of injection molding slot position and the processing of antenna slot position；
Fig. 5 is to complete front to carry out the compound framework of finishing processing and the volumetric body figure of the second jig platform；
Fig. 6 is to complete reverse side to carry out the compound framework of finishing processing and the volumetric body figure of third jig platform；
Fig. 7 is to complete edge to carry out the metal center of finishing processing and the volumetric body figure of the 4th jig platform.
Corresponding relationship in attached drawing between each label and meaning are as follows:
The first type 300a, compound framework 300b, injection molding slot position 301, antenna slot position 302, primary outer of metal center 300, center
Fiber stress slot 303, secondary outer fiber stress slot 304；
(metal center) front 31, convex platform 312, coarse positioning hole 313, mounting hole 314, holds the initial groove 311 of positive side
Receive slot 315；
(metal center) reverse side 32, initial groove 321 of tossing about, lower convex platform 322, face stress slot 323；
First jig platform 40, the first vacuum sucking holes 401, the second jig platform 500, the second vacuum sucking holes 501；
Third jig platform 600, vacuum chuck 601；
4th jig platform 700, supporting point 701, metal cover board 702, electromagnet 703.
Specific embodiment
It to facilitate the understanding of the present invention, below will be to invention is more fully described.But the present invention can be to be permitted
Mostly different form is realized, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes
It is more thorough and comprehensive to the understanding of the disclosure.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Fig. 1 to Fig. 7 is please referred to, for the processing method of the metal center of a better embodiment of the invention, is used in metal
The processing of frame.Referring particularly to Fig. 1, the processing method of the metal center the following steps are included:
S10: mental section is provided；
S11: carrying out preparatory processing in the front 31 of mental section and reverse side 32 respectively, at 31 middle part of the front of mental section
The initial groove 311 of positive side is processed, initial groove 321 of tossing about is processed in the middle part of the reverse side 32 of mental section, at the beginning of obtaining center
Type 300a；
S12: twin grinding is carried out to type 300a at the beginning of center；
S13: injection molding slot position 301 and antenna slot position 302 are being processed at the beginning of center on type 300a；
S14: injection process is carried out to type 300a at the beginning of center, obtains compound framework 300b；
S15: finishing processing is carried out to compound framework 300b, obtains metal center.
By type 300a at the beginning of center carry out grinding and slot position processing before respectively in the front 31 of mental section and reverse side 32
Preparatory processing is carried out respectively, and the initial groove 311 of positive side and initial groove 321 of tossing about produce the stress of type 300a at the beginning of center and release
It puts, generates local deformation because of the effect of internal stress to can avoid combo box body 300b following process and influence flatness effect
Fruit guarantees that metal center 300 meets matching requirements.
For step S10, mental section can be produced in present embodiment by aluminium extruded technique, aluminium extruded technique refer to by
The aluminium of hot mastication flows through aluminium extracting mold in the case where the strength of aluminium extruding machine squeezes, and shapes satisfactory aluminium profile product,
Present embodiment, which refers to, is squeezed into mental section for sheet metal by aluminium extruded mold.In other embodiments, machine also can be used
Tool fabricates mental section, i.e., is processed by mechanical equipment to sheet metal, its outer dimension is made to meet the requirements, and shapes
Mental section.
In step s 11, mental section is processed to type 300a at the beginning of forming the center of preliminary structure.
Please refer to Fig. 3 A and Fig. 3 B, to avoid during type 300a twin grinding at the beginning of center, due to front 31 middle part or
The middle part of reverse side 32 hanging and cause grinding uneven and influence flatness, in the progress preparatory processing of the front 31 of mental section
When, convex platform 312 is remained in the front 31 of mental section；When the reverse side 32 of mental section carries out preparatory processing, in metal
The reverse side 32 of profile remains with lower convex platform 322；Specifically, the edge on the surface of convex platform 312 and 31 side of front of mental section
Height is concordant, and the surface of lower convex platform 322 and the brim height of 32 side of reverse side of mental section are concordant；To in twin grinding process
In, support is provided from type 300a at the beginning of two middle side parts to center respectively, the flatness after guaranteeing center just type 300a grinding.
Specifically, electronic equipment assemble when, the front 31 of metal center 300 is corresponding with screen, metal center 300 it is anti-
Face 32 is corresponding with battery cover.
Further, to carry out chip by front 31 of the chip knife of major diameter to mental section, to improve efficiency, on
Gap between boss 312 is greater than 16mm；The front 31 of vertical metal profile or the direction of reverse side 32 are Z-direction, parallel gold
The direction of genotype material long side is Y direction, and the direction of parallel metal profile short side is X-direction, for convenience of stress is discharged, is reduced
It deforms, in 31 preparatory processing of front of mental section, in Z-direction, there are 0.28~0.42mm of surplus；The front of mental section
In 31 preparatory processings, in X-axis or Y direction, there are 2.64~3.96mm of surplus.In 31 preparatory processing of front of mental section, with
The reverse side 32 of mental section is used as datum level, and coarse positioning hole 313 is machined on mental section；At the beginning of the front 31 of mental section
Row positioning is promoted by cylinder side in step processing, the fixation of mental section is realized by cylinder-pressing.
For convenience of stress is discharged in finishing passes, position is pressed from both sides after reduction and is deformed, in 32 preparatory processing of reverse side of mental section,
It is provided with face stress slot 323 in the skirt of mental section, the entirety that the reverse side 32 of the first type 300a of center retains 0.4~0.6mm is opened slightly
Surplus, it is preferable that be 0.5mm.Specifically, skirt is along the edge distribution of type 300a at the beginning of center, and opposing metallic center 300 is final
Edge evagination.
For step S12, it is preferable that the just type 300a unilateral grinding depth of center is 0.2mm.
Referring to Fig. 4, for step S13, when being cut on the reverse side 32 of type 300a at the beginning of center, with type at the beginning of center
Coarse positioning hole 313 on 300a positions type 300a at the beginning of center, using the front 31 of type 300a at the beginning of center as datum level, gas
The edge of type 300a at the beginning of center is fixed in cylinder fixed mechanism；Specifically, it is cut in the reverse side 32 to type 300a at the beginning of center
When cutting, while lower convex platform 322 is cut off.
When being cut on the front 31 of type 300a at the beginning of center, with 313 centering of coarse positioning hole at the beginning of center on type 300a
Just type 300a is positioned frame, and using the reverse side 32 of type 300a at the beginning of center as datum level, air cylinder fixing mechanism leads to center just type
The corner of 300a is fixed；Specifically, when the front 31 to type 300a at the beginning of center is cut, while to convex platform 312
It is cut off.
During processing injection molding slot position 301 and antenna slot position 302 at the beginning of center on type 300a, process tool is along rectangular-ambulatory-plane
Path is from inside to outside processed the front 31 or reverse side 32 of type 300a at the beginning of center.Specifically, slot position 301 and day are molded
Edge distribution of the wire casing position 302 along type 300a at the beginning of center.
Further, the step of processing is molded slot position 301 and antenna slot position 302 on the front 31 of type 300a at the beginning of center
In, the first jig platform 400 for being used to support the first type 300a of center passes through the first vacuum sucking holes 401 to the anti-of type 300a at the beginning of center
Face 32 is adsorbed, so that the laminating degree between center 400 supporting surface of first type 300a reverse side 32 and the first jig platform is improved,
Flatness after improving processing.Preferably, the first vacuum sucking holes 401 are arranged close to the short side of type 300a at the beginning of center.
Further, be improve center at the beginning of type 300a metal and injected plastics material between Percentage bound, metal center plus
Work method processes injection molding slot position 301 and antenna slot position 302 and step S14 at the beginning of center on the first type 300a of frame in step s 13
Type 300a is carried out between injection process, further includes step S131, carries out nano surface corrosion to type 300a at the beginning of center, optionally,
Etching extent is in 0.03mm.
In step S14, injection process is carried out in the injection molding slot position 301 and antenna slot position 302 of type 300a at the beginning of center, from
And the antenna part at the beginning of center on type 300a is provided a supporting role.
In step S15, carrying out finishing processing to compound framework 300b includes
Step S151: finishing processing is carried out to the front 31 of compound framework 300b；
Step S152: finishing processing is carried out to the reverse side 32 of compound framework 300b；
Step S153: finishing processing is carried out to the edge of compound framework 300b.
Referring to Fig. 5, accurately processing phase on the screen mounting surface in the front compound framework 300b 31 for step S151
The mounting hole 314 and holding tank 315 answered with the fixed mask when intelligent electronic device assembles or accommodate electronic components associated therewith；Into
One step, when accurately being processed on the front 31 of compound framework 300b, it is used to support the second fixture of compound framework 300b
Platform 500 adsorbs the reverse side 32 of compound framework 300b by the second vacuum sucking holes 501, to improve the second jig platform
Laminating degree between 500 supporting surface and the reverse side 32 of compound framework 300b, the flatness after improving processing.Preferably,
The battery compartment of two vacuum sucking holes 501 and the reverse side 32 of compound framework 300b is oppositely arranged.
Further, when accurately being processed on the front 31 of compound framework 300b, in the skirt of compound framework 300b
On open up primary outer fiber stress slot 303, further to discharge stress, promotion flatness effect.Preferably, compound framework 300b
Primary outer fiber stress slot 303 there are four opening up, the inner wall of primary outer fiber stress slot 303 corresponding with long side are corresponded in each long side
The surplus of relatively compound framework 300b final long side edge is with a thickness of 1.32~1.98mm；An outer rim corresponding with short side is answered
The surplus of the relatively compound framework 300b of the inner wall of power slot 303 final short side edge is with a thickness of 2.8~4.2mm.
Further, to reduce the cutting output for carrying out finishing processing in step S153 to the edge of compound framework 300b,
Cause that compound framework 300b is deformed or TP plastics collapse glue to avoid step S153, in step S151, the skirt of compound framework 300b
The thickness surplus of front 31 in the Z-axis direction is 0.16~0.24mm.
Referring to Fig. 6, step S152 is further processed the skirt of compound framework 300b, cut-out fixed part
Position, and the battery compartment of compound framework 300b reverse side 32 and camera assembly section neighboring area are accurately processed, further,
When accurately being processed on the reverse side 32 of compound framework 300b, secondary outer fiber stress is opened up on the skirt of compound framework 300b
Slot 304 promotes flatness effect further to discharge stress.
Further, to reduce the cutting output for carrying out finishing processing in step S153 to the edge of compound framework 300b,
Cause that compound framework 300b is deformed or TP plastics collapse glue to avoid step S153, in step S152, the skirt of compound framework 300b
The thickness surplus of reverse side 32 in the Z-axis direction is 0.4~0.6mm, it is preferable that is 0.5mm.
Specifically, in step S152, fixed part that third jig platform 600 retains on the edge by compound framework 300b
Divide and compound framework 300b is fixed, third jig platform 600 is by vacuum chuck 601 to the front 31 of compound framework 300b
It is adsorbed；To improve the laminating degree between the front 31 of compound framework 300b and the supporting surface of third jig platform 600,
Flatness after improving processing.
Referring to Fig. 7, the redundance at the edge of compound framework 300b is cut off completely, obtains gold for step S153
Belong to center；When carrying out finishing processing to the edge of compound framework 300b, side of the 4th jig platform 700 to compound framework 300b
Edge position provides point support, and metal fillings caused by cutting is discharged between supporting point 701, flat in the 4th fixture to avoid metal fillings
Accumulation on platform 700 leads to the deformation of compound framework 300b.
When carrying out finishing processing to the edge of compound framework 300b, compound framework 300b is placed on the 4th jig platform
On 700, metal cover board 702 is placed with above compound framework 300b, the electromagnet 703 in the 4th jig platform 700 is to metal cover
Plate 702 generates magnetic force and avoids so as to which compound framework 300b to be fixed on the 4th jig platform 700 to compound framework 300b
The processing at edge impacts.
When carrying out finishing processing to the edge of compound framework 300b, to being easy to produce on the edge of compound framework 300b
The position stuck up or sunk provides cutting compensation；Specifically, sagging region is easy at 32 edge of reverse side of compound framework 300b to subtract
Few cutting depth, to guarantee the flatness of the reverse side 32 of compound framework 300b；It optionally, can also be in the anti-of compound framework 300b
32 edge of face is easy the region upwarped and increases cutting depth.
Referring to Fig. 2, further, according to the needs of different intelligent electronic equipment, the processing method of metal center is also wrapped
Include following steps:
S21: radiating groove is processed on the front 31 of frame 300 in a metal, to accommodate heat-dissipating pipe.
S22: side key hole and card slot are processed on the side of frame 300 in a metal；
S23: the preceding camera assembly section of metal center 300 is finished；
S24: microphone aperture is processed on frame 300 in a metal；
S25: the hole USB and speaker hole are processed on frame 300 in a metal；
S26: the interim positioning position on the reverse side 32 of metal center 300 is cut off；
The present invention also provides a kind of metal centers 300, are made by the processing method of above-mentioned metal center, be suitable for mobile phone,
The intelligent electronic devices such as plate, so as to guarantee that metal center 300 and the edge of screen or battery cover board are bonded effect.
In the present embodiment, by before type at the beginning of center carries out grinding and slot position processing respectively in the front of mental section and anti-
Face carries out preparatory processing respectively, and the initial groove of positive side and initial groove of tossing about produce release to the stress of type at the beginning of center, thus
It can avoid compound framework following process to generate local deformation because of the effect of internal stress and influence flatness effect, guarantee metal
Center meets matching requirements.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of processing method of metal center, which comprises the steps of:
Mental section is provided；
Preparatory processing is carried out respectively in the front of the mental section and reverse side, is processed in the positive Middle face of the mental section
The initial groove of positive side, processes initial groove of tossing about in the middle part of the reverse side of the mental section, obtains center just type；
Twin grinding is carried out to type at the beginning of center；
Injection molding slot position and antenna slot position are being processed at the beginning of the center in type；
Injection process is carried out to type at the beginning of the center, obtains compound framework；
Finishing processing is carried out to the compound framework, obtains metal center.
2. the processing method of metal center according to claim 1, which is characterized in that the mental section front into
When row preparatory processing, convex platform is remained in the front of the mental section；When the reverse side of mental section carries out preparatory processing,
Lower convex platform is remained in the reverse side of the mental section.
3. the processing method of metal center according to claim 1, which is characterized in that at the beginning of the center on the front of type
In the step of processing injection molding slot position and antenna slot position, the first jig platform for being used to support the metal center passes through the first vacuum
Sucker adsorbs the reverse side of the metal center；The step of carrying out finishing processing to the compound framework includes to described
The front of compound framework carries out finishing processing, when accurately being processed on the front of the compound framework, is used to support institute
The second jig platform for stating compound framework is adsorbed by reverse side of second vacuum sucking holes to the compound framework.
4. the processing method of metal center according to claim 1, which is characterized in that processed in type at the beginning of the center
It is molded slot position and antenna slot position and type at the beginning of the center further comprise the steps of: between injection process to the metal center
Carry out nano surface corrosion.
5. the processing method of metal center according to claim 1, which is characterized in that carry out finishing to the compound framework
The step of work processing includes carrying out finishing processing to the front of the compound framework to carry out with the reverse side to the compound framework
Finishing processing；When accurately being processed on the front of the compound framework, one is opened up on the skirt of the compound framework
Secondary outer fiber stress slot；When accurately being processed on the reverse side of the compound framework, opened up on the skirt of compound framework secondary
Outer fiber stress slot.
6. the processing method of metal center according to claim 1, which is characterized in that carry out finishing to the compound framework
The step of work processing includes carrying out finishing processing to the reverse side of the compound framework, carries out essence to the reverse side of the compound framework
When working process, the fixed part that third jig platform retains on the edge by the compound framework consolidates compound framework
Fixed, the third jig platform is adsorbed by front of the vacuum chuck to the compound framework.
7. the processing method of metal center according to claim 1, which is characterized in that carry out finishing to the compound framework
The step of work processing includes carrying out finishing processing to the edge of the compound framework；Essence is carried out to the edge of the compound framework
When working process, the 4th jig platform provides point support to the edge of the compound framework.
8. the processing method of metal center according to claim 1, which is characterized in that carry out finishing to the compound framework
The step of work processing includes carrying out finishing processing to the edge of the compound framework；Essence is carried out to the edge of the metal center
When working process, the compound framework is placed on the 4th jig platform, is placed with metal cover board above the compound framework, institute
The electromagnet stated in the 4th jig platform generates magnetic force to the metal cover board.
9. the processing method of metal center according to claim 1, which is characterized in that carry out finishing to the compound framework
Work processing includes carrying out finishing processing to the edge of the compound framework；The edge of the compound framework is carried out at finishing
When reason, cutting compensation is provided to the position for upwarping or sinking is easy to produce on the edge of the compound framework.
10. a kind of metal center, which is characterized in that use the processing method of the described in any item metal centers of claim 1 to 9
It is made.
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| CN110900126A (en) * | 2019-11-25 | 2020-03-24 | 广东长盈精密技术有限公司 | Manufacturing method of middle frame, middle frame and electronic equipment |
| CN111618537A (en) * | 2020-06-11 | 2020-09-04 | 东莞益谦机械设备科技有限公司 | Processing method of ultrathin middle frame |
| CN111641737A (en) * | 2020-04-30 | 2020-09-08 | 广东长盈精密技术有限公司 | Middle frame processing method |
| CN111805179A (en) * | 2020-07-08 | 2020-10-23 | 广东长盈精密技术有限公司 | Metal shell part machining process and door lock shell manufactured by same |
| CN112621113A (en) * | 2020-12-04 | 2021-04-09 | 广东长盈精密技术有限公司 | Middle frame and processing method thereof |
| CN114871974A (en) * | 2021-02-05 | 2022-08-09 | 深圳富泰宏精密工业有限公司 | Fixing device and display panel assembling method |
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