CN107597940A - Sheet material multiple spot subregion manufacturing process and subregion pressing type multi-point formation apparatus - Google Patents
Sheet material multiple spot subregion manufacturing process and subregion pressing type multi-point formation apparatus Download PDFInfo
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- CN107597940A CN107597940A CN201710705258.5A CN201710705258A CN107597940A CN 107597940 A CN107597940 A CN 107597940A CN 201710705258 A CN201710705258 A CN 201710705258A CN 107597940 A CN107597940 A CN 107597940A
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- 239000000463 material Substances 0.000 title claims abstract description 70
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 41
- 238000003825 pressing Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 21
- 238000003491 array Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 238000009966 trimming Methods 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 238000011089 mechanical engineering Methods 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 13
- 230000037303 wrinkles Effects 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
A kind of sheet material multiple spot subregion manufacturing process and subregion pressing type multi-point formation apparatus, belongs to mechanical engineering technical field.It is an object of the invention to change to need the present situation of blank body and trimming process during using unitary mould shaped sheet, and overcome the shortcomings of that easily corrugation or stock utilization are relatively low for workpiece when multipoint mode digitizes die forming sheet material, there is provided a kind of subregion pressing type multi-point formation apparatus for sheet material and multiple spot subregion manufacturing process with crease resistant functions.Respectively being made up of up and down many basic body units for the multi-point formation apparatus of the present invention, is divided into several shaped regions by the top of multi-point formation apparatus or bottom, multiple basic body units is respectively arranged in several described shaped regions；During sheet material forming, several shaped regions are divided into two or more sets, are one or more shaped regions per component, are grouped progressively compressing sheet material.The present invention is compared with unitary mould shapes, it is possible to achieve Three-dimensional Sheet Metal shapes without mould, without flanging, the cutting workpiece profile process saved after the design, manufacture and debugging process and sheet material forming of mould.
Description
Technical field
The invention belongs to mechanical engineering technical field.
Background technology
At present, the three-dimensional curve generation of sheet material mainly digitizes mould to realize using unitary mould or multipoint mode.Thin plate
Or complicated shape Three-dimension curved surface part shaping when, be typically necessary blank body to prevent from wrinkling；Cause mould structure complicated, also
Availability ratio of the armor plate is reduced, and needs to increase trimming process after forming.So, a workpiece is shaped often using unitary mould
One or more sets moulds are needed, increase molding expense and mode transfer time.If digitizing mould using multipoint mode, although being capable of profit
With many adjustable for height basic flexible shapes for changing forming face of body unit, the function of one module multiple usages is realized, reduces molding expense
With；But need the corrugation for solving the problems, such as work piece.Patent name is " multi-point formation apparatus for sheet material "（China Patent No.：
ZL02109866.2）Patent of invention be surrounded by flange fixing installation in upper lower basic body group, using multiple hydraulic cylinders to flanging
Circle applies pressure, solves the problems, such as flexible blank holder；But still the trimming process after shaping is needed, and during shaping small size workpiece
Need to realize that flanging shapes using the sheet material much larger than practical work piece size.Patent name is the " sheet material with crease resistant functions
Multi-point formation apparatus "（China Patent No.：ZL201110162679.0）Patent of invention by shape adjusting unit, material folding unit, unit
Fixed plate and load maintainer composition, its shape adjusting unit and material folding unit are staggered, and multiple adjustable for height shape adjusting units pass through
Tiao Xing mechanisms change its enveloping surface shape, substitute conventional entity mould；Multiple material folding units passively shifted pass through back pressure effect
Sheet material is clamped, substitutes blank body；Obtain preferable wrinkle-proof effect, but need it is further improve with it is perfect.Subregion is suppressed
Formula multi-point formation apparatus for sheet material is made up of several shaped regions and many basic body units, can be compressing by subregion
Mode, suppress caused wrinkle in forming process, and reduce the resilience after sheet material forming.
The content of the invention
It is an object of the invention to change to need showing for blank body and trimming process during using unitary mould shaped sheet
Shape, and overcome the shortcomings of that easily corrugation or stock utilization are relatively low for workpiece when multipoint mode digitizes die forming sheet material, there is provided one
Subregion pressing type multi-point formation apparatus for sheet material and multiple spot subregion manufacturing process of the kind with crease resistant functions.
The multi-point formation apparatus of the present invention is respectively made up of many basic body units up and down, by the top of multi-point formation apparatus
Or bottom is divided into several shaped regions, multiple basic body units are respectively arranged in several described shaped regions；Sheet material into
During shape, several shaped regions are divided into two or more sets, are one or more shaped regions per component, packet is progressively pressed into
Shape sheet material.
Several shaped regions of the present invention can be in a row according to vertical or horizontal point of multipoint digital mould
Multiple regions, multiple regions can also be divided into vertical and horizontal direction, multiple regions can also be divided into 45 degree of directions.
It is first compressing to be not easy corrugated one group of region relatively during sheet material forming of the present invention, shape is then pressed into residue
Unformed area in it is relative be not easy corrugated another group of region, then be gradually completing the compressing of whole plate face.
The compressing of each shaped region of the present invention is realized by hydraulic cylinder or motor, screw mechanism respectively.
Each shaped region of the present invention can set different forming pressures;The size and area of each shaped region
Can be different.
, can be after previous group completion be compressing, by suitable the invention belongs to the compacting of different groups of the shaped region
Sequence carries out next group compressing；Certain lag time can also be set compressing to carry out between the different sets.
The size for multiple basic body units that each shaped region of the present invention is respectively arranged can be different, the basic body
With transversely arranged using symmetric arrays or being staggered, the top of the basic body unit is also adopted with lower disposed for the longitudinal direction of unit
With symmetric arrays or it is staggered.
The head cross sectional shape of basic body unit and web contact of the present invention is circular, square, octagon or six
Side shape, the head construction of described basic body unit use fixed or oscillating type.
Unit fixed seat is divided into first group of fixed seat, second group of fixed seat, the 3rd group of fixed seat and in the present invention
Four groups of fixed seats, it is mounted in first group of fixed seat, second group of fixed seat, the 3rd group of fixed seat and the 4th group of fixed seat
Multiple basic body units, swing drift is installed in each basic body unit end；Multiple bases are installed in lower unit fixed seat
Body unit.
The present invention is compared with unitary mould shapes, it is possible to achieve being shaped without mould, without flanging for Three-dimensional Sheet Metal, saves mould
Cutting workpiece profile process after the design of tool, manufacture and debugging process and sheet material forming, is greatly shortened the Operational preparation cycle,
Manufacture mould material material, instrument, the energy and time are saved, improves the utilization rate of sheet material, and wrinkle and resilience can be suppressed, is improved
Operating efficiency, crudy and forming accuracy, processing cost is reduced, easily realizes Automated condtrol.With former multipoint mode number
Word chemical conversion shape is compared, corrugation and resilience when saving flange fixing installation, and can effectively prevent sheet material forming；Available for shaping not
With the complex outline curved-surface piece of size, the trimming process saved after shaping, availability ratio of the armor plate is improved.
Brief description of the drawings
Fig. 1 is the subregion compacting schematic diagram with seven shaped regions of a row, and it is compressing that it is divided into four groups；Certainly,
The quantity of shaped region can be increased or decreased, the quantity of shaped region is more, prevents that corrugated effect is more obvious；
Fig. 2 is the multi-point formation apparatus schematic diagram with seven shaped regions of a row；Each of which shaped region sets 5 row's bases respectively
Body unit, often arrange the even tens of basic body units of row of each setting ordered series of numbers；
Fig. 3 is the schematic diagram after compressing one group of two end regions of multi-point formation apparatus with seven shaped regions；By
In two end regions shaping area much smaller than once-forming, and the sheet material of end regions is not allowed to crease easily, sheet material forming
Wrinkle is not produced afterwards；
Fig. 4 is the re-compacted shaping of the multi-point formation apparatus with seven shaped regions behind second group of two region of end
Schematic diagram；Because the sheet material in first group of two region has been pressed shaping, and still in pressurized state, by sheet material forming area
The main stress in domain by it is once-forming when compressive stress state, be converted into tensile stress state, produce flanging effect, it is necessary to certain
Drawing could continue further to deform, and be very beneficial for preventing from wrinkling；
Fig. 5 is the signal behind further compressing 3rd group of two regions of the multi-point formation apparatus with seven shaped regions
Figure；Because the sheet material of first group and second group of four region has been pressed shaping, and still in pressurized state, by sheet material phase
Answer the main stress check calculation Cheng Geng great in region tensile stress state, produce bigger flanging effect, it is necessary to bigger drawing ability
Continue further deformation, advantageously in preventing from wrinkling；
Fig. 6 is that the multi-point formation apparatus with seven shaped regions completes last compressing rear signal for organizing a region
Figure；Because the sheet material in first, second and third group of six region has been pressed shaping, and pressurized state is kept, by sheet material phase
Answer the main stress check calculation Cheng Geng great in region tensile stress state, produce bigger flanging effect, advantageously in preventing from wrinkling；
Fig. 7 is the subregion compacting schematic diagram for having vertical and horizontal five shaped regions, and it is compressing that it is divided into three groups；Certainly, may be used also
To increase or decrease the quantity of shaped region, packet situation can also be changed；
Fig. 8 is the subregion compacting schematic diagram for having vertical and horizontal nine shaped regions, and it is compressing that it is divided into four groups；Certainly, may be used also
To divide the shaped region of different modes and varying number as needed；
Fig. 9 is the subregion compacting schematic diagram with four corner shaped regions and one big shaped region, and it is divided into two group pressures
Shape is made.
Embodiment
Shown embodiment further illustrates the particular content and its course of work of the present invention below in conjunction with the accompanying drawings.
The subregion pressing type multi-point formation apparatus for sheet material of the present invention, mainly by several shaped regions and many basic body lists
Member composition；The top of multi-point formation apparatus or bottom basic body group are divided into several shaped regions by it, in several described
Shaped region is respectively arranged multiple basic body units；During sheet material forming, several shaped regions are divided into two or more sets, every group
It is divided into one or more shaped regions, is grouped progressively compressing sheet material.Several described shaped regions can be according to multiple spot
Vertical or horizontal point of multiple regions in a row of mould are digitized, multiple regions can also be divided into vertical and horizontal direction, can also be
45 degree of directions are divided into multiple regions.It is first compressing to be not easy corrugated one group of region relatively during sheet material forming, it is then pressed into shape
It is relative in remaining unformed area to be not easy corrugated another group of region, then it is gradually completing the compressing of whole plate face.Institute
The compressing of each shaped region is stated to realize with screw mechanism by hydraulic cylinder or motor respectively.Each shaped region can be set
Put different forming pressures.Belong to the compacting of different groups of the shaped region, can be pressed after previous group completion is compressing
Order carries out next group compressing；Certain lag time can also be set compressing to carry out between the different sets.
The size and area of each shaped region can be different.The chi for multiple basic body units that each shaped region is respectively arranged
It is very little can be different, the longitudinal direction of the basic body unit and transversely arranged use symmetric arrays or be staggered, the basic body list
The top of member also using symmetric arrays or is staggered with lower disposed.The head of described basic body unit and web contact is cut
Face is shaped as circular, square, octagon or hexagon, and the head construction of described basic body unit uses fixed or yaw
Formula.
The upper unit fixed seat of the present invention is divided into first group of fixed seat, 1, second group of fixed seat 2, the 3rd group of fixed seat 3
With the 4th group of fixed seat 4, in first group of fixed seat, 1, second group of fixed seat 2, the 3rd group of fixed seat 3 and the 4th group of fixed seat 4
On be mounted on multiple basic body units 5, be provided with each basic end of body unit 5 and swing drift 6；Lower unit fixed seat 7
On multiple basic body units are installed.
The present invention is that said structure is carried out exemplified by four groups, can also do as needed multigroup, and subregion both can be with
, can also be below above.
The subregion drawing method of the present invention is as follows：
The present invention is made up of several shaped regions and many basic body units, by the top of multi-point formation apparatus or bottom punching press
Equipment is divided into several shaped regions, and multiple basic body units are respectively arranged in several described shaped regions；Sheet material forming
When, several shaped regions are divided into two or more sets, are one or more shaped regions per component, packet is progressively compressing
Sheet material.
Several shaped regions of the present invention can be in a row according to vertical or horizontal point of multipoint digital mould
Multiple regions, multiple regions can also be divided into vertical and horizontal direction, multiple regions can also be divided into 45 degree of directions.
It is first compressing to be not easy corrugated one group of region relatively during sheet material forming of the present invention, shape is then pressed into residue
Unformed area in it is relative be not easy corrugated another group of region, then be gradually completing the compressing of whole plate face.
The compressing of each shaped region of the present invention is realized by hydraulic cylinder or motor, screw mechanism respectively.
Each shaped region of the present invention can set different forming pressures, the size and area of each shaped region
Can be different.
, can be after previous group completion be compressing, by suitable the invention belongs to the compacting of different groups of the shaped region
Sequence carries out next group compressing；Certain lag time can also be set compressing to carry out between the different sets.
The size for multiple basic body units that each shaped region of the present invention is respectively arranged can be different, the basic body
With transversely arranged using symmetric arrays or being staggered, the top of the basic body unit is also adopted with lower disposed for the longitudinal direction of unit
With symmetric arrays or it is staggered.
The head cross sectional shape of basic body unit and web contact of the present invention is circular, square, octagon or six
Side shape, the head construction of described basic body unit use fixed or oscillating type.
The subregion pressing type multi-point formation apparatus for sheet material of the present invention, mainly by several shaped regions and many basic body lists
Member composition；The top of multi-point formation apparatus or bottom basic body group are divided into several shaped regions by it, in several described
Shaped region is respectively arranged multiple basic body units；During sheet material forming, several shaped regions are divided into two or more sets, every group
It is divided into one or more shaped regions, is grouped progressively compressing sheet material.Several described shaped regions can be according to multiple spot
Vertical or horizontal point of multiple regions in a row of mould are digitized, multiple regions can also be divided into vertical and horizontal direction, can also be
45 degree of directions are divided into multiple regions.It is first compressing to be not easy corrugated one group of region relatively during sheet material forming, it is then pressed into shape
It is relative in remaining unformed area to be not easy corrugated another group of region, then it is gradually completing the compressing of whole plate face.Institute
The compressing of each shaped region is stated to realize with screw mechanism by hydraulic cylinder or motor respectively.Each shaped region can be set
Put different forming pressures.Belong to the compacting of different groups of the shaped region, can be pressed after previous group completion is compressing
Order carries out next group compressing；Certain lag time can also be set compressing to carry out between the different sets.
The size and area of each shaped region can be different.The chi for multiple basic body units that each shaped region is respectively arranged
It is very little can be different, the longitudinal direction of the basic body unit and transversely arranged use symmetric arrays or be staggered, the basic body list
The top of member also using symmetric arrays or is staggered with lower disposed.The head of described basic body unit and web contact is cut
Face is shaped as circular, square, octagon or hexagon, and the head construction of described basic body unit uses fixed or yaw
Formula.
Accompanying drawing of the present invention is described in detail by taking seven shaping areas of a row as an example：
Fig. 1 is the subregion compacting schematic diagram with seven shaped regions of a row, and it is compressing that it is divided into four groups；Of course, it is possible to
The quantity of shaped region is increased or decreased, the quantity of shaped region is more, prevents that corrugated effect is more obvious.
Fig. 2 is the multi-point formation apparatus schematic diagram with seven shaped regions of a row；Each of which shaped region sets 5 respectively
Basic body unit is arranged, often arranges the even tens of basic body units of row of each setting ordered series of numbers.
Fig. 3 is the signal after compressing one group of two end regions of multi-point formation apparatus with seven shaped regions
Figure；Because the shaping area of two end regions is much smaller than once-forming, and the sheet material of end regions is not allowed to crease easily, sheet material
Wrinkle is not produced after shaping.
Fig. 4 is the re-compacted shaping of the multi-point formation apparatus with seven shaped regions close to second group of two region of end
Schematic diagram afterwards；Because the sheet material in first group of two region has been pressed shaping, and still in pressurized state, by sheet material into
The main stress in shape region by it is once-forming when compressive stress state, be converted into tensile stress state, produce flanging effect, it is necessary to one
Fixed drawing could continue further to deform, and be very beneficial for preventing from wrinkling.
Fig. 5 is further the showing behind compressing 3rd group of two regions of the multi-point formation apparatus with seven shaped regions
It is intended to；Because the sheet material of first group and second group of four region has been pressed shaping, and still in pressurized state, by sheet material
The main stress check calculation Cheng Geng great of respective regions tensile stress state, produce bigger flanging effect, it is necessary to bigger drawing
Further deformation can be continued, advantageously in preventing from wrinkling.
Fig. 6 be the multi-point formation apparatus with seven shaped regions complete last organize region it is compressing after show
It is intended to；Because the sheet material in first, second and third group of six region has been pressed shaping, and pressurized state is kept, by sheet material
The main stress check calculation Cheng Geng great of respective regions tensile stress state, bigger flanging effect is produced, advantageously in preventing
Wrinkle.
Fig. 7 is the subregion compacting schematic diagram for having vertical and horizontal five shaped regions, and it is compressing that it is divided into three groups；Certainly,
The quantity of shaped region can also be increased or decreased, packet situation can also be changed.
Fig. 8 is the subregion compacting schematic diagram for having vertical and horizontal nine shaped regions, and it is compressing that it is divided into four groups；Certainly,
The shaped region of different modes and varying number can also be divided as needed.
Fig. 9 is the subregion compacting schematic diagram with four corner shaped regions and one big shaped region, and it is divided into two
Group is compressing.
The subregion pressing type multi-point formation apparatus for sheet material of the present invention is made up of several shaped regions, by these shaped regions
After packet, pressed sheet respectively in order.It is first compressing to be not likely to produce the region of wrinkle, and make the region after shaping produce pressure
Side effect；With the region area increase of compacting deformation, flanging effect is gradually increased, finally shaping is original to be easiest to produce wrinkle
Region.Wrinkle and resilience when the device can significantly suppress sheet material forming, and available for shaping different sizes and difference
The complex-curved part of profile, the work piece cut process saved after shaping, processing cost is reduced, improve operating efficiency, crudy
And forming accuracy.
Tested using the forming effect of brand-new subregion pressing principle（Exemplified by three Zu Wuge areas, steel plate uses
200x200x1mm stainless steel plate materials）, wherein there is conventional compacting result, there is the application subregion to suppress result.The present invention only with
The subregion drawing method in three groups of five regions has carried out forming experiment, the results showed that the compressing anti-corrugation effect of subregion shows
Write.
The multi-point formation apparatus in five groups of nine regions just in the mill.In order to install, debug with safeguard etc. work side
Just, the multi-point formation apparatus of subregion compacting is arranged below.Therefore, it is desirable to emphasize in the patent, subregion pressure setting cloth sometimes
Put on top, be arranged in bottom sometimes.
Claims (9)
- A kind of 1. subregion drawing method of multi-point formation apparatus for sheet material, it is characterised in that：Multi-point formation apparatus up and down respectively by very More basic body unit compositions, are divided into several shaped regions, in several described by the top of multi-point formation apparatus or bottom Shaped region is respectively arranged multiple basic body units；During sheet material forming, several shaped regions are divided into two or more sets, every group It is divided into one or more shaped regions, is grouped progressively compressing sheet material.
- 2. the subregion drawing method of the multi-point formation apparatus for sheet material described in claim 1, it is characterised in that：Described several into Shape region can also can be divided into according to vertical or horizontal point of multiple regions in a row of multipoint digital mould in vertical and horizontal direction Multiple regions, multiple regions can also be divided into 45 degree of directions.
- 3. the subregion drawing method of the multi-point formation apparatus for sheet material described in claim 1, it is characterised in that：During sheet material forming, first It is compressing to be not easy corrugated one group of region relatively, it is corrugated with respect to being not easy in remaining unformed area to be then pressed into shape Another group of region, then it is gradually completing the compressing of whole plate face.
- 4. the subregion drawing method of the multi-point formation apparatus for sheet material described in claim 1, it is characterised in that：Each shaped region It is compressing pass through hydraulic cylinder or motor respectively, screw mechanism is realized.
- 5. the subregion drawing method of the multi-point formation apparatus for sheet material described in claim 1, it is characterised in that：Each shaped region Different forming pressures can be set;The size and area of each shaped region can be different.
- 6. the subregion drawing method of the multi-point formation apparatus for sheet material described in claim 1, it is characterised in that：Belong to different groups of institute State the compacting of shaped region, can previous group complete it is compressing after, carry out next group compressing in order；Can also It is compressing to carry out to set certain lag time between the different sets.
- 7. the subregion drawing method of the multi-point formation apparatus for sheet material described in claim 1, it is characterised in that：Each shaped region The size for the multiple basic body units being respectively arranged can be different, and the longitudinal direction of body unit substantially is with transversely arranged using symmetrical Arrange or be staggered, the top of the basic body unit also using symmetric arrays or is staggered with lower disposed.
- 8. the subregion drawing method of the multi-point formation apparatus for sheet material described in claim 1, it is characterised in that：Described basic body list The head cross sectional shape of member and web contact is circular, square, octagon or hexagon, and the head of described basic body unit is tied Structure uses fixed or oscillating type.
- 9. the subregion pressing type multi-point formation apparatus for sheet material as described in claim 1, it is characterised in that：Upper unit fixed seat is divided successively For first group of fixed seat（1）, second group of fixed seat（2）, the 3rd group of fixed seat（3）With the 4th group of fixed seat（4）, consolidate at first group Reservation（1）, second group of fixed seat（2）, the 3rd group of fixed seat（3）And the 4th group of fixed seat（4）On be mounted on it is multiple basic Body unit（5）, in each basic body unit（5）End is provided with swing drift（6）；Lower unit fixed seat（7）On be provided with it is more Individual basic body unit.
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| CN107983845A (en) * | 2018-01-22 | 2018-05-04 | 吉林大学 | Metallic plate punching shaping annular anti-wrinkling mould and application |
| CN107999635A (en) * | 2018-01-22 | 2018-05-08 | 吉林大学 | The wrinkle resistant finishing die of spherical part and application |
| CN110405037A (en) * | 2019-08-09 | 2019-11-05 | 湖南城市学院 | Hydraulic device is used in a kind of molding of aluminum alloy plate materials |
| CN110646960A (en) * | 2018-06-26 | 2020-01-03 | 株式会社日本显示器 | Pressure bonding device and method for manufacturing display device |
| CN111421060A (en) * | 2020-03-16 | 2020-07-17 | 李学海 | Punching compound die and punching machine |
| CN114178406A (en) * | 2021-11-18 | 2022-03-15 | 苏州金峰物联网技术有限公司 | Spiral piece pressing equipment, spiral piece processing method and spiral chute |
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