CN105834698B - A kind of solid solution steel hinge milling method using rotatable disc clamping - Google Patents
A kind of solid solution steel hinge milling method using rotatable disc clamping Download PDFInfo
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- CN105834698B CN105834698B CN201610351069.8A CN201610351069A CN105834698B CN 105834698 B CN105834698 B CN 105834698B CN 201610351069 A CN201610351069 A CN 201610351069A CN 105834698 B CN105834698 B CN 105834698B
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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
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/152—Rotary devices
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Abstract
A kind of solid solution steel hinge milling method using rotatable disc clamping, the stainless steel blank for having pre-processed precipitation-hardening is heat-treated first, then shearing stainless steel blank blanking obtains workpiece blank, again by the workpiece blank of shearing on rotatable disc the side of milling six after accurate clamping, not only avoid pressing plate clamping fix caused by the influence of clamping power, cutting force and mechanical oscillation to thin substrate part deformation, while 1/5th when can make blank material saving to pressing plate clamping；After treating the side of workpiece blank milling six, workpiece blank is turned clockwise 360o around X-axis successively, sequentially first process auricle region, post-processing base region, both it ensure that auricle completed roughing under large area support, and turn avoid " double goosenecks " part form and position tolerance problems of too caused by base thickness is smaller；On the basis of meeting to assemble hole position required precision, effectively shorten process time, improve the processing efficiency and surface quality of " double goosenecks " hinge.
Description
Technical field
The present invention relates to hinge processing technique field, more particularly to a kind of solid solution steel hinge using rotatable disc clamping
Milling method.
Background technology
In fields such as automobile, ship, furniture, hinge is important connection member, and its material generally selects high strength steel, is
Save rapidoprint, improve efficiency, the general one-shot forming that hinge is completed by the way of punching press or casting.Especially aviation,
Space industry, hinge are aircraft door, the connection member of lid, the influence of the factor such as loaded, vibration, corrosion, hatch door, lid
Hinge material is typically from 15-5PH- solid solution steel.And considering material property, requirement, manufacturing process and cost
On the basis of, aircraft cover hinge suitable for reading is generally configured to " double goosenecks " hinge, and the hinge base thinner thickness part is " double goosenecks "
Auricle structure, the aperture axis axiality at two auricles require φ 0.05mm, and at the stopper slot position degree and auricle on auricle
Distance of shaft centers tolerance is strict.
Traditional machining solid solution steel " double goosenecks " hinge is typically fixed using design technology boss and by pressing plate clamping,
Because the rigidity of hinge is relatively low, its base plate size is smaller, during using traditional fixture clamping workpiece, clamping power, cutting force and
Under the combined influence of mechanical oscillation, when easily causing the deformation after part processing, while cannot be guaranteed follow-up removal false boss
Influence to part deformation, and blank clearance is big, can not preferably meet cost-effectiveness requirement.
The content of the invention
Technical problem solved by the invention is to provide a kind of solid solution steel hinge milling using rotatable disc clamping
Processing method, to solve the shortcomings that in above-mentioned background technology.
Technical problem solved by the invention is realized using following technical scheme：
A kind of solid solution steel hinge milling method using rotatable disc clamping, comprise the following steps that:
1）The stainless steel blank for having pre-processed precipitation-hardening is heat-treated first, heating-up temperature is 540 DEG C~560
DEG C, after heating 4h, room temperature is naturally cooled to, stainless steel blank blanking is then sheared and obtains workpiece blank；
2）By step 1）The workpiece blank of middle shearing side of milling six after accurate clamping on rotatable disc, during six side of milling, work
1mm allowance is reserved in part blank bottom surface, and milling is in place；The flatness of the bottom surface of six sides and top surface is 0.1 simultaneously, the bottom of six sides
The depth of parallelism of face and base bottom surface is 0.1, and the perpendicularity on hexagonal phase neighbour both sides is0.05；
3）By step 2）The workpiece blank that the middle side of milling six finishes turns clockwise 90o around X-axis, and with the first gooseneck upper surface
To knife, workpiece blank borderline region is rough milled to the first gooseneck machining area, overall made allowance 1mm；
4）Connect step 3）, workpiece blank is continued around into X-axis and turned clockwise 180o, with the second gooseneck upper surface to knife, slightly
Milling workpiece blank border region is to the second gooseneck machining area, overall made allowance 1mm；Drilling, made allowance 0.5mm, it is thick to obtain part
Product；And the spacing hole for fixing the second gooseneck is bored, herein to be thick in the second gooseneck machining area to knife with part crude product bottom surface
Processing；
5）Connect step 4）, part crude product is continued around into X-axis and turned clockwise 90o, is recovered to workpiece blank clamping initial shape
State, now, first rough mill machining area corresponding to part crude product pedestal upper surface and two gooseneck intermediate regions, then finish-milling part crude product
Machining area corresponding to pedestal upper surface and two gooseneck intermediate regions, are then bored for fixed pedestal in part crude product base bottom surface
Mounting hole, obtain part semi-finished product；
6）Connect step 5）, part semi-finished product are turned clockwise 90o around X-axis, with the first gooseneck upper surface to knife, finish-milling
One gooseneck machining area, and bore the spacing hole for fixing the first gooseneck in the first gooseneck machining area；
7）Connect step 6）, part semi-finished product are continued around into X-axis and turned clockwise 180o, with the second gooseneck upper surface to knife,
Finish-milling the second gooseneck machining area, and drilling, the fraising process of concentric holes at double goosenecks are completed in the second gooseneck machining area, obtain
The thick finished product of part；
8）Connect step 7）, polished using grinding machine and remove the thick finished product base bottom surface residual volume of part, and use burr smoothing knife
Remove the thick finished product pedestal burr of part, while the thick finished product of diamond dust light filling part；
9）Connect step 8）, the thick finished product of the part that is finished to light filling carries out galvanizer's alkali cleaning, magnetic powder inspection, Passivation Treatment, obtains
Finished part, finally finished part is examined.
In the present invention, the step 1）In, the length and width dimensions tolerance of blanking is 0 ~ ± 1mm.
In the present invention, the step 2）In, rotatable disc is superpower magnetic suction disc, and this superpower magnetic suction disc is arranged on
On lathe turntable, workpiece blank on superpower magnetic suction disc, can be achieved by disk attraction and machine-building adhesive glue clamping
360o around X-direction rotates.
In the present invention, the step 5）In, part crude product base bottom surface is drilled with 5 mounting holes for being used for fixed pedestal.
In the present invention, the step 6）In, when boring spacing hole, spacing hole actual center line is limited in a diameter of 0.1mm
The face of cylinder in, and the axial location on the face of cylinder is on the theoretical position of web bottom surface and datum axis.
In the present invention, the step 7）In, during align drilling, concentric holes actual center line is limited in a diameter of 0.1mm
The face of cylinder in, and the axial location on the face of cylinder is on the theoretical position of web bottom surface and datum axis.
In the present invention, the step 9）In, the magnetic powder inspection detection thick finished product of part, it is not allow for crackle, stomata etc. and lacks
Fall into；To prevent part from getting rusty, Passivation Treatment, hinge surface is set to form diaphragm.
Beneficial effect：The workpiece blank clamping of shearing on rotatable disc, not only avoid pressing plate clamping by the present invention
The influence of clamping power, cutting force and mechanical oscillation to thin substrate part deformation caused by fixation, while blank material section can be made
About to 1/5th during pressing plate clamping；And auricle region, the milling process of post-processing base region are first processed, it both ensure that ear
Piece completes roughing under large area support, turn avoid " double goosenecks " part form and position tolerance mistake caused by base thickness is smaller
Big problem；On the basis of meeting to assemble hole position required precision, effectively shorten process time, improve the processing of " double goosenecks " hinge
Efficiency and surface quality.
Brief description of the drawings
Fig. 1 is the double gooseneck hinge blanking schematic diagrames of solid solution steel of presently preferred embodiments of the present invention.
Fig. 2 is the machining area schematic diagram of the double gooseneck hinges of solid solution steel of presently preferred embodiments of the present invention.
Brief description of the drawings：1st, workpiece blank borderline region is to the first gooseneck machining area；2nd, workpiece blank borderline region is to
Two gooseneck machining areas；3rd, machining area corresponding to part crude product pedestal.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are easy to understand, tie below
Specific embodiment is closed, the present invention is expanded on further.
A kind of solid solution steel hinge milling method using rotatable disc clamping, comprise the following steps that:
1）As shown in figure 1, being heat-treated to the stainless steel for having pre-processed precipitation-hardening, heating-up temperature is to 552 DEG C, heating
After 4h, naturally cool to room temperature, then shear stainless steel blank blanking and obtain workpiece blank, the length and width dimensions tolerance of blanking for 0 ~ ±
1mm；
2）By step 1）The workpiece blank of middle shearing side of milling six after accurate clamping on spinning disk, during six side of milling, workpiece
1mm allowance is reserved in blank bottom surface, and milling is in place；Ensure that the bottom surface of six sides and the flatness of top surface are 0.1 simultaneously, six sides'
The depth of parallelism of bottom surface and base bottom surface is 0.1, and the perpendicularity on hexagonal phase neighbour both sides is0.05；
3）By step 2）The workpiece blank that the middle side of milling six finishes turns clockwise 90o around X-axis, with the first gooseneck upper surface pair
Knife, as shown in Fig. 2 rough milling workpiece blank borderline region to the first gooseneck machining area, overall made allowance 1mm；
4）Connect step 3）, workpiece blank is continued around into X-axis and turned clockwise 180o, with the second gooseneck upper surface to knife, such as
Shown in Fig. 2, workpiece blank borderline region is rough milled to the second gooseneck machining area, overall made allowance 1mm；Drilling, made allowance
0.5mm, obtain part crude product；And part crude product bottom surface is bored for fixing the second gooseneck to knife in the second gooseneck machining area
Spacing hole, it is herein roughing；
5）Connect step 4）, part crude product is continued around into X-axis and turned clockwise 90o, is recovered to workpiece blank clamping initial shape
State, now, first rough mill machining area corresponding to part crude product pedestal upper surface and two gooseneck intermediate regions, then finish-milling part crude product
Machining area corresponding to pedestal upper surface and two gooseneck intermediate regions, are then bored for fixed pedestal in part crude product base bottom surface
Mounting hole, obtain part semi-finished product；
6）Connect step 5）, part semi-finished product are turned clockwise 90o around X-axis, with the first gooseneck upper surface to knife, finish-milling
One gooseneck machining area, and bore the spacing hole for fixing the first gooseneck in the first gooseneck machining area；
When boring this spacing hole, spacing hole actual center line is limited in a diameter of 0.1mm face of cylinder, and the face of cylinder
Axial location is on the theoretical position of web bottom surface and datum axis；
7）Connect step 6）, part semi-finished product are continued around into X-axis and turned clockwise 180o, with the second gooseneck upper surface to knife,
Finish-milling the second gooseneck machining area, and drilling, the fraising process of concentric holes at double goosenecks are completed in the second gooseneck machining area, obtain
The thick finished product of part；
When boring this concentric holes, spacing hole actual center line is limited in a diameter of 0.1mm face of cylinder, and the face of cylinder
Axial location is on the theoretical position of web bottom surface and datum axis；
8）Connect step 7）, polished using grinding machine and remove the thick finished product base bottom surface residual volume of part, and use burr smoothing knife
Remove the thick finished product pedestal burr of part, while the thick finished product of diamond dust light filling part；
9）Connect step 8）, the thick finished product of the part that is finished to light filling carries out galvanizer's alkali cleaning, magnetic powder inspection, Passivation Treatment, obtains
Finished part, finally finished part is examined.
In the present embodiment, the step 2）In, rotatable disc is superpower magnetic suction disc, this superpower magnetic suction disc installation
On lathe turntable, workpiece blank leans on disk attraction and machine-building adhesive glue clamping on superpower magnetic suction disc, can be real
Now the 360o around X-direction rotates.
In the present embodiment, the step 9）In, the magnetic powder inspection detection thick finished product of part, it is not allow for crackle, stomata etc.
Defect；To prevent part from getting rusty, Passivation Treatment, hinge surface is set to form diaphragm.
In the present embodiment, by the workpiece blank clamping of shearing on rotatable disc, it not only avoid pressing plate clamping and consolidate
The influence of clamping power, cutting force and mechanical oscillation to thin substrate part deformation caused by timing, while blank material saving can be made
To 1/5th during pressing plate clamping；And auricle region, the milling process of post-processing base region are first processed, it both ensure that auricle
Roughing is completed under large area support, turn avoid " double goosenecks " part form and position tolerance mistake caused by base thickness is smaller
Greatly.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (4)
1. a kind of solid solution steel hinge milling method using rotatable disc clamping, it is characterised in that comprise the following steps that:
1）The stainless steel blank for having pre-processed precipitation-hardening is heat-treated first, heating-up temperature is 540 DEG C~560 DEG C, is added
After hot 4h, room temperature is naturally cooled to, stainless steel blank blanking is then sheared and obtains workpiece blank；
2）By step 1）The workpiece blank of middle shearing side of milling six after accurate clamping on rotatable disc, during six side of milling, workpiece hair
1mm allowance is reserved in base bottom surface, and milling is in place；Simultaneously six sides bottom surface and top surface flatness be 0.1, the bottom surface of six sides with
The depth of parallelism of base bottom surface is 0.1, and the perpendicularity on hexagonal phase neighbour both sides is0.05；
3）By step 2）The workpiece blank that the middle side of milling six finishes turns clockwise 90o around X-axis, and with the first gooseneck upper surface pair
Knife, workpiece blank borderline region is rough milled to the first gooseneck machining area, overall made allowance 1mm；
4）Connect step 3）, workpiece blank is continued around into X-axis and turned clockwise 180o, with the second gooseneck upper surface to knife, rough mills work
Part blank border region is to the second gooseneck machining area, overall made allowance 1mm；Drilling, made allowance 0.5mm, obtains part crude product；And
With part crude product bottom surface to knife, the spacing hole for fixing the second gooseneck is bored in the second gooseneck machining area, is herein roughing；
5）Connect step 4）, part crude product is continued around into X-axis and turned clockwise 90o, is recovered to workpiece blank clamping original state, this
When, first rough mill machining area corresponding to part crude product pedestal upper surface and two gooseneck intermediate regions, then finish-milling part crude product pedestal
Machining area corresponding to upper surface and two gooseneck intermediate regions, then bore the peace for fixed pedestal in part crude product base bottom surface
Hole is filled, obtains part semi-finished product；
6）Connect step 5）, part semi-finished product are turned clockwise 90o around X-axis, with the first gooseneck upper surface to knife, the goose of finish-milling first
Neck machining area, and bore the spacing hole for fixing the first gooseneck in the first gooseneck machining area；
7）Connect step 6）, part semi-finished product are continued around into X-axis and turned clockwise 180o, with the second gooseneck upper surface to knife, finish-milling
Second gooseneck machining area, and drilling, the fraising process of concentric holes at double goosenecks are completed in the second gooseneck machining area, obtain part
Thick finished product；
8）Connect step 7）, being polished using grinding machine removes the thick finished product base bottom surface residual volume of part, and is removed using burr smoothing knife
The thick finished product pedestal burr of part, while the thick finished product of diamond dust light filling part；
9）Connect step 8）, the thick finished product of the part that is finished to light filling carries out galvanizer's alkali cleaning, magnetic powder inspection, Passivation Treatment, obtains part
Finished product, finally finished part is examined.
2. a kind of solid solution steel hinge milling method using rotatable disc clamping according to claim 1, it is special
Sign is, the step 1）In, the length and width dimensions tolerance of blanking is 0 ~ ± 1mm.
3. a kind of solid solution steel hinge milling method using rotatable disc clamping according to claim 1, it is special
Sign is, the step 2）In, rotatable disc is superpower magnetic suction disc, and this superpower magnetic suction disc is arranged on lathe turntable
On, workpiece blank is by disk attraction and machine-building adhesive glue clamping on superpower magnetic suction disc.
4. a kind of solid solution steel hinge milling method using rotatable disc clamping according to claim 1, it is special
Sign is, the step 5）In, part crude product base bottom surface is drilled with 5 mounting holes for being used for fixed pedestal.
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| CN108907617B (en) * | 2018-07-06 | 2020-07-17 | 江西洪都航空工业集团有限责任公司 | Machining method for complex joint part of airplane |
| CN112388261A (en) * | 2020-12-01 | 2021-02-23 | 河南海泰机械有限公司 | Stainless steel thin-wall plate part machining structure and clamping process thereof |
| CN114147254B (en) * | 2021-11-15 | 2023-06-02 | 中电建(西安)港航船舶科技有限公司 | Processing and manufacturing system and manufacturing method for heliostat bearing structural part |
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| EP0185355A1 (en) * | 1984-12-20 | 1986-06-25 | HELIOTRONIC Forschungs- und Entwicklungsgesellschaft für Solarzellen-Grundstoffe mbH | Method of manufacturing blade stacks for dividing crystal bars into wafers |
| KR100680902B1 (en) * | 2006-07-10 | 2007-02-09 | 서영정밀주식회사 | HSD multifunctional tool and machining method using the same |
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