CN106181278A - The manufacture method of cutting element - Google Patents
The manufacture method of cutting element Download PDFInfo
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- CN106181278A CN106181278A CN201510293423.1A CN201510293423A CN106181278A CN 106181278 A CN106181278 A CN 106181278A CN 201510293423 A CN201510293423 A CN 201510293423A CN 106181278 A CN106181278 A CN 106181278A
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- Prior art keywords
- arm
- manufacture method
- cutting element
- cutting
- workpiece
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/02—Cutting tools with straight main part and cutting edge at an angle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Milling Processes (AREA)
Abstract
The manufacture method of a kind of cutting element, is first provided for disposing the cutting zone of blade on cutter hub；Then, the workpiece of more than 1 it is located at cutting zone and fixes；Afterwards, workpiece outer rim is processed, forms cutting edge.The manufacture method of the present invention, prefabricated having more than 2 is assembled the cutting zone that the workpiece (sword embryo) at position is fixed on cutting tool, as cutting portion, directly or slightly it is processed to form cutting edge, and then the low cost achieving forming machine process tool quickly produces and manufactures, make the blade of forming machine process tool achieve replaceable simultaneously.
Description
Technical field
The present invention relates to the manufacture method of a kind of instrument, particularly relate to the manufacture method of a kind of cutting element, cut to improve
Cut the manufacture efficiency of instrument.
Background technology
Cutter is the instrument in machine-building for machining, also known as cutting element.Owing to most of cutter is
Machine, it is substantially all for cutting metal material, so " cutter " word is the most just interpreted as metal cutting tool.
But material science develops, various materials are the most extensively applied, such as in the production of product and processing: engineering plastic
Material and carbon fibre composite etc. (CN203401118U).Cutter can be divided into by the form of workpiece machining surface: processing
The cutter of various outer surfaces, aperture knife tool, threading tool, gear cutting tool and cutting off tool etc. are several.
The structure of cutter working portion has monoblock type, welding type and insert three kinds.Overall structure is on cutter hub
Make cutting edge；Welding Structure is that blade is soldered on the cutter hub of steel；Machinery clamping structure has again two kinds, Yi Zhongshi
Clamping for blade on cutter hub, another kind be clamping for the cutter head that soldering is good on cutter hub.Major diameter hard alloy cutter
It is made generally in Welding Structure or machinery clamping structure.
In machining, blade is rust through use, and needs the most more allowing blade replacement, refaces, even change whole
Cutter, causes great processing cost.Thereby produce indexable tool (seeing Fig. 1), when after a blade tip blunt,
Other blade tip will be used so that cutter changing blade or reface and can be achieved with persistently processing, the most just after blade indexing
In replacing, also it is greatly saved time and the cost of machining.
For the blade of indexable tool, its shape is common such as: triangle (seeing Fig. 2), tetragon (see figure
3), pentagon, convex triangle, circle (seeing Fig. 4) and rhombus (seeing Fig. 5) etc..By activities such as screws even
Cutting blade clip is fixed in the groove void offered on cutter hub or blade bearing by the mode connect, such as: Chinese invention patent
ZL03809683.8 discloses a kind of cutting element, including cutter hub, has at least one depression in cutter hub, and depression is suitable for
In accommodating cutting tip chuck component.
Chinese invention patent ZL200680033825.7 discloses a kind of milling cutter for chip removal processing, multiple including having
The milling cutter body of cutting edge bar, multiple cutting edge bars are connected with the end of described milling cutter body, and milling cutter body is by shape
Becoming the most contrary end and tool attachment cooperation, Indexable cutting inserts is fixed to cutting edge
In bar.Each described Indexable cutting inserts has the basic configuration of truncated pyramid, the top of each Indexable cutting inserts
Face is in the face of the chip removal end of milling cutter, and the main cutting edge of described Indexable cutting inserts is from the end face of Indexable cutting inserts
Extend along the direction, bottom surface towards Indexable cutting inserts.
Chinese invention patent application 201210582143.9 discloses a kind of Indexable cutting inserts, has upper surface, phase
To lower surface and week side surface.Indexable cutting inserts main cutting edge is formed on sword last week, cutter before adjacent master
Face is on an upper.At least two main cutting edge has different blade shafts in the site that turns of the equivalent along main cutting edge
To anterior angle, the main rake face of at least two has different at flat cutting face that is vertical from main cutting edge and that comprise blade axis
Rake face profile angle.
Chinese invention patent application 201310119151.4 discloses a kind of cutting tip, including plate-shaped blade body,
Blade body is by upper surface, lower surface, side and recessed surrounds, side and recessed be three, and three sides are with three
Individual recessed interval is arranged, and each side and each recessed be all connected between upper and lower surface, recessed by week locating surface
Forming with the cutter groove being divided into week locating surface two diagonal position, cutter groove is crossed to form main cutting edge with upper surface or lower surface,
Cutter groove and side are crossed to form side cutting edge, and main cutting edge is connected formation cutting edge group with side cutting edge.This blade has
Simple and compact for structure, highly versatile, easy to use and cost performance high.
It is currently used for the mach cutter of molding, after the form needed for generally blade preprocessing being become, then is welded in cutter hub
Mode produce.Not only process of manufacture is tediously long, and Quality Control is difficult to, in addition it is also necessary to reface the blade of rust, very
Or abandoning cutter, recycling degree is relatively low.Although indexable tool is by achieving blade by one angle of blade rotation
Again with and Quick-changing, but need to carry out more than one piece blade needed for stacking could obtain for processing and forming
Cutting edge form, equal to the cutting edge number reduced, causes stock-removing efficiency to reduce at double, and the most any one blade becomes
Blunt, the angle adjustment of single blade is all difficult to again form required cutting edge form.
Summary of the invention
It is an object of the present invention to provide the manufacture method of a kind of cutting element, to improve cutting element, especially
The production of forming machine machining cutting tool and manufacturing speed.
Further object is that the manufacture method that a kind of cutting element is provided, to reduce cutting element, especially
It is production and the manufacturing cost of forming machine machining cutting tool.
It is yet a further object of the present invention to provide the manufacture method of a kind of cutting element, to improve cutting element, especially
It it is the service efficiency of forming machine machining cutting tool.
A further object of the present invention is to provide the manufacture method of a kind of cutting element, to improve cutting element, especially
It is the recycling rate of waterused of forming machine machining cutting tool and reduces use cost.
The manufacture method of a kind of cutting element that the present invention provides, including
First on cutter hub, it is provided for disposing the cutting zone of blade；
Then, the workpiece of more than 1 is located at described cutting zone and at least described workpiece is imposed mechanical means
It is fixed；
Afterwards, individually or simultaneously the surface of workpiece (such as: but be not limited only to rake face and rear knife face) and outer rim are carried out
Processing, forms cutting edge portion.
For the workpiece of the manufacture method of cutting element of the present invention, including more than 2 departments of assembly, such as: but not only limit
In through hole, blind hole, counterbore, face and groove etc..Department of assembly can coordinate with fixture, workpiece being imposed mechanical means and
It is fixed on cutting zone.Available fixture is such as: but it is not limited only to screw, bolt, rivet, wedge nail, draw pin and pressure
Plate etc..Department of assembly can with fixture assembling mode such as: but it is not limited only to screw and internal thread hole, rivet and hole, Tenon
Assembling, pressing plate and stationary plane, and pressing plate and groove etc..
A kind of workpiece that the present invention provides, can be used for the manufacture method of cutting element of the present invention, at least includes columnar part,
And it is provided with the department of assembly of more than 2.Prioritizing selection, the department of assembly of more than 2 is located at columnar part.
The another kind of workpiece that the present invention provides, including the first arm, the second arm and at least 2 assemblings coordinated with fixture
Angle ＞ 0 degree of dihedral angle formed by portion, the first plane crossing the first arm axle line and the second plane crossing the second arm axle line,
And ＜ 180 degree.Wherein, department of assembly coordinates with fixture and makes workpiece be fixed on another object, such as: cutter hub.
The another kind of workpiece that the present invention provides, including the first arm, the second arm and at least 2 connecting holes, crosses the first arm axle
Angle ＞ 0 degree of dihedral angle formed by second plane of the first plane of line and excessively the second arm axle line, and ＜ 180 degree.
Workpiece provided by the present invention, connecting hole is arranged on the first arm, or is arranged on the second arm, or arranges simultaneously
On the first arm and the second arm.
The another kind of workpiece that the present invention provides, including
First arm, at least provided with 1 the first connecting hole on it；
Second arm, at least provided with 1 the second connecting hole on it；
Angle ＞ 0 of dihedral angle formed by the first plane crossing the first arm axle line and the second plane crossing the second arm axle line
Degree, and ＜ 180 degree.
The another kind of workpiece that the present invention provides, including
First arm, at least provided with 1 the first connecting hole on it；
Second arm, at least provided with 1 the second connecting hole on it；
First arm axle line and the second arm axes intersect, formed angle of cut ＞ 0 degree, and ＜ 180 degree.
Another kind of workpiece provided by the present invention, L-shaped, including the first arm, the second arm and at least 1 connection
Hole.
Another kind of workpiece provided by the present invention, L-shaped, including the first arm, the second arm and at least 1 connection
Hole, connecting hole individually or simultaneously along the first arm axle to axially arranged with the second arm.
Workpiece provided by the present invention, the first arm is column or tabular.
Workpiece provided by the present invention, the second arm is column or tabular.
Workpiece provided by the present invention, its first arm axle to length more than or equal to the second arm axle to length.
Workpiece provided by the present invention, along axially arranged at least 1 the first connecting hole of the first arm.
Workpiece provided by the present invention, along axially arranged at least 1 the second connecting hole of the second arm.
Workpiece provided by the present invention, the first plane crossing the first arm axle line is become with the second plane crossing the second arm axle line
Dihedral angle be ＞ 15 degree, and ＜ 140 degree.
Workpiece provided by the present invention, the first plane crossing the first arm axle line is become with the second plane crossing the second arm axle line
Dihedral angle be 90 degree.
Workpiece provided by the present invention, the first arm axle line and the second arm axes intersect, the become angle of cut is 90 degree.
Workpiece provided by the present invention, its connecting hole is for the fixing of workpiece and assembling work.
Workpiece provided by the present invention, is fixed by connecting hole on it or is assemblied in cutter.Such as: fill as cutting portion
It is assigned in cutter hub, it is not necessary to use the mode of welding to fix, moreover it is possible to realize the quick-replaceable of cutting portion.
Workpiece provided by the present invention, fixes or is assemblied in the concrete mode of cutter such as: but it is not limited only to screw thread, location
Pin, joinery and its construction, rivet and briquetting etc. and for thread locking, thread seal, flat seal, fixing and structure
Bonding bonding agent such as: but be not limited only to optic-solidified adhesive, PUR or composition be epoxy resin, esters of acrylic acid,
The combination of the solvent/water base glue class glue of polyurethanes, silica type, modified silicon alkanes or butyl type rubber.
Workpiece provided by the present invention, its material such as: but be not limited only to tool steel, high-speed steel, hard alloy, metal
The superhard material such as pottery, pottery, polycrystalline diamond, single-crystal diamond, CBN and PCBN, in these materials also
Coating can be set.
Prepare after cutting tool, according to need after workpiece provided by the present invention being fixed on the cutting zone of cutter hub and processing
Want, it is also possible to this cutting element is carried out again Bulk coat.
The beneficial effect that technical solution of the present invention realizes:
The manufacture method of the cutting element that the present invention provides, assembles the workpiece (sword at position by prefabricated having more than 2
Embryo) cutting zone that is fixed on cutting tool, as cutting portion, directly or slightly it is processed to form cutting edge, and then
The low cost achieving forming machine process tool quickly produces and manufactures, and makes the blade of forming machine process tool realize simultaneously
Replaceable.
Compared with the manufacture of indexable tool, the manufacture method of the cutting element that the present invention provides makes to add for forming machine
The process velocity of work cutter significantly improves.
Compared with manufacture with the cutter using blade to be welded and fixed, the manufacture method of the cutting element that the present invention provides makes
Blade on cutter is easily changed so that production cost is remarkably reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of indexable tool one embodiment；
Fig. 2 is the schematic diagram of blade one embodiment for indexable tool；
Fig. 3 is the schematic diagram of another embodiment of blade for indexable tool；
Fig. 4 is the schematic diagram of another embodiment of blade for indexable tool；
Fig. 5 is the schematic diagram of another embodiment of blade for indexable tool；
Fig. 6 is the structural representation of indexable tool one embodiment for processing and forming；
Fig. 7 is the structural representation of another embodiment of indexable tool for processing and forming；
Fig. 8 is the structure for amplifying schematic diagram of each blade of the indexable tool arrangement for processing and forming；
Fig. 9 is the structural representation of workpiece one embodiment of the present invention；
Figure 10 is the structural representation of another embodiment of workpiece of the present invention；
Figure 11 is the structural representation of another embodiment of workpiece of the present invention；
Figure 12 is the structural representation of cutting element one embodiment using workpiece of the present invention.
Detailed description of the invention
Technical scheme is described in detail below in conjunction with accompanying drawing.The embodiment of the present invention is only in order to illustrate the skill of the present invention
Art scheme and unrestricted, although the present invention being described in detail with reference to preferred embodiment, the ordinary skill of this area
Personnel should be appreciated that and can modify or equivalent, the technical scheme of invention without deviating from the technology of the present invention
The spirit and scope of scheme, it all should be contained in scope of the presently claimed invention.
Fig. 1 is the structural representation of indexable tool one embodiment, and it includes cutter hub 100, arranges on cutter hub 100
Some indexable blades 210, treat cutting object and carry out machining.After blade tip is passivated, pass through rotating blade
210, and the blade tip that other is intact is adjusted to the operating position contacted with object to be cut, to proceed machining.
When object to be cut has shape need, the blade form of cutting tool is proposed requirements at the higher level.Fig. 6 is for using
In the structural representation of indexable tool one embodiment of processing and forming, Fig. 7 is the indexable tool for processing and forming
The structural representation of another embodiment.As shown in Figure 6 and Figure 7, the blade needed for curve 300 sketches the contours of processing and forming
Blade tip form, single or lesser amt (such as: 2) though blade all cannot obtain through angle adjustment, need by
Some indexable diamond shaped insert 220 stack and could realize processing and forming.Fig. 8 gives by some indexable Pedicellus et Pericarpium Trapaes
Shape blade 220 obtains the embodiment of a complete curve blade, by using 4 diamond shaped insert 220 by different
Angle is stacked and obtains and has the first angle 310 and the second angle 320, drop D1 at the bottom of sword end and sword, and sword side projection is
Distance D2 at the bottom of eminence and sword.As seen from Figure 8, between each blade, existence is stacked, in addition it is also necessary to arrange 4 corresponding cuttves
Bar, to accommodate diamond shaped insert 220, brings many difficulties to the making of cutter, the most in use, owing to needing
Just can process a complete molding tangent plane with four cutter grooves, cutter rotates a circle and could excise a cutting-in position
Material, effect is equal to one piece of angle of throat tool, and working (machining) efficiency is low.
Fig. 9 is the structural representation of workpiece one embodiment of the present invention, and Figure 10 is the knot of another embodiment of workpiece of the present invention
Structure schematic diagram, Figure 11 is the structural representation of another embodiment of workpiece of the present invention.As shown in Fig. 9, Figure 10 and Figure 11,
Workpiece 400 of the present invention includes the first arm the 410, second arm 420 and at least 2 departments of assembly coordinated with fixture.The
In one arm 410 and the second arm 420, at least one is columnar part.In the present embodiment, the form of department of assembly is hole,
With screw, bolt, rivet, wedge nail and the assembling of the fixture such as draw pin.On first arm 410 at least provided with 1 first even
Connect hole 411, at least provided with 1 the second connecting hole 412 on the second arm 420.In the present embodiment, workpiece 400 is in " L "
Shape, the length that the axial length of the first arm 410 is axial more than the second arm 420.First arm axle line and the second arm axle line phase
Hand over, become angle of cut ＞ 0 degree, and ＜ 180 degree, especially 90 degree.
The department of assembly coordinated with fixture can be also the face of a local on workpiece, coordinates with pressing plate.Pressing plate one end and cutter
Body is mechanically connected, and the other end contacts with the face of local on workpiece, and applies active force to workpiece.When workpiece is as chip
When portion carries out machining to object, pressing plate is by being fixed and prevent/suppress it in the face of cutting portion of local on workpiece
Slide/vibrate.
The present embodiment workpiece is overall or local can directly apply to cutting tool and realize processing and forming as cutting portion.
First on cutter hub, it is provided for disposing the cutting zone of blade；Then, the workpiece of more than 1 is located at cutting zone
And fix；Afterwards, workpiece outer rim is processed, forms cutting edge.Or the requirement according to processing object to be formed,
Overall for workpiece or local are assemblied in after cutting element as cutting portion, reprocess out required blade tip form.Figure 12
For using the structural representation of cutting element one embodiment of workpiece of the present invention, as shown in figure 12, cut out from workpiece 400
Cut a part, fixed by connecting hole on it or be assemblied in blade bearing, reprocess out and there is the first angle 310 and
The blade tip form of distance D2 at the bottom of drop D1 at the bottom of two angles 320, sword end and sword, sword side projection highest point and sword.With cutter
Sheet uses the cutter being welded and fixed to compare, it is not necessary to use the mode of welding to fix, moreover it is possible to realize the quick-replaceable of cutting portion.
Compared with using indexable insert tip, throw away tip production cutter shown in Fig. 6, Fig. 7 and Fig. 8, the workpiece using the present embodiment can be notable
Reducing the quantity (being reduced to 1 by 4) of blade bearing, process time is greatly shortened, and manufactures efficiency and significantly improves (4 times),
The most in use, if as comparison example arranges four cutter grooves, then four this kind of cutter-edge formations can be installed, leads
Cause cutter and can excise the material of 4 cutting-in positions in once rotating, it is possible to achieve the service efficiency of 4 times.
Claims (21)
1. the manufacture method of a cutting element, it is characterised in that comprise the steps:
First on cutter hub, it is provided for disposing the cutting zone of blade；
Then, the workpiece of more than 1 is located at described cutting zone and at least described workpiece is imposed mechanical means
It is fixed；
Afterwards, surface and outer rim to workpiece are processed individually or simultaneously, form cutting edge portion.
The manufacture method of cutting element the most according to claim 1, it is characterised in that described workpiece 2 with
On department of assembly.
The manufacture method of cutting element the most according to claim 1, it is characterised in that described workpiece at least wraps
Include columnar part, and be provided with the assembling position of more than 2.
The manufacture method of cutting element the most according to claim 1, it is characterised in that described cutting will be included
Blade carries out Bulk coat at interior cutting element.
The manufacture method of cutting element the most according to claim 1, it is characterised in that described workpiece includes
One arm, the second arm and at least 2 departments of assembly coordinated with fixture, the first plane of the first excessively described arm axle line and
Cross angle ＞ 0 degree of dihedral angle formed by the second plane of the second described arm axle line, and ＜ 180 degree；Wherein, described
Department of assembly can coordinate with fixture and make described workpiece be fixed on another object.
The manufacture method of cutting element the most according to claim 5, it is characterised in that described department of assembly is with solid
Locking member assembling mode is pressing plate and stationary plane.
The manufacture method of cutting element the most according to claim 5, it is characterised in that described department of assembly is with solid
Locking member assembling mode is screw and internal thread hole, rivet and hole or Tenon assembling.
The manufacture method of cutting element the most according to claim 1, it is characterised in that described workpiece includes
One arm, the second arm and at least 2 connecting holes, the first plane of the first excessively described arm axle line and the second excessively described arm
Angle ＞ of dihedral angle 0 degree formed by second plane of axis, and ＜ 180 degree.
The manufacture method of cutting element the most according to claim 8, it is characterised in that described connecting hole is arranged
On the first arm.
The manufacture method of cutting element the most according to claim 8, it is characterised in that described connecting hole is arranged
On the second arm.
The manufacture method of 11. cutting elements according to claim 8, it is characterised in that described connecting hole is simultaneously
It is arranged on the first arm and the second arm.
The manufacture method of 12. cutting elements according to claim 1, it is characterised in that described workpiece includes
First arm, at least provided with 1 the first connecting hole on it；
Second arm, at least provided with 1 the second connecting hole on it；
Cross formed by the first plane of the first described arm axle line and the second plane of the second excessively described arm axle line two
Angle ＞ at angle 0 degree, and ＜ 180 degree.
The manufacture method of 13. cutting elements according to claim 1, it is characterised in that described workpiece includes
First arm, at least provided with 1 the first connecting hole on it；
Second arm, at least provided with 1 the second connecting hole on it；
The first described arm axle line and the second described arm axes intersect, formed angle of cut ＞ 0 degree, and ＜ 180 degree.
14. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that described work
Part is L-shaped.
15. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that described
One arm is column or tabular.
16. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that described
Two arms are column or tabular.
17. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that described
One arm axle to length more than or equal to described the second arm axle to length.
18. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that along described
Axially arranged at least 1 first connecting hole of one arm.
19. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that along described
Axially arranged at least 1 second connecting hole of two arms.
20. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that excessively described
Dihedral angle formed by first plane of the first arm axle line and the second plane of the second excessively described arm axle line is ＞ 15 degree, and
＜ 140 degree.
21. according to the manufacture method of the cutting element one of claim 5-13 Suo Shu, it is characterised in that excessively described
Dihedral angle formed by second plane of the first plane of the first arm axle line and the second excessively described arm axle line is 90 degree.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510189124 | 2015-04-17 | ||
| CN2015101891243 | 2015-04-17 |
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| Publication Number | Publication Date |
|---|---|
| CN106181278A true CN106181278A (en) | 2016-12-07 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510293423.1A Pending CN106181278A (en) | 2015-04-17 | 2015-06-01 | The manufacture method of cutting element |
| CN201510293407.2A Active CN106180767B (en) | 2015-04-17 | 2015-06-01 | The manufacturing method of cutting element |
| CN201680003086.0A Pending CN107000066A (en) | 2015-04-17 | 2016-04-07 | The manufacture method of cutting element |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510293407.2A Active CN106180767B (en) | 2015-04-17 | 2015-06-01 | The manufacturing method of cutting element |
| CN201680003086.0A Pending CN107000066A (en) | 2015-04-17 | 2016-04-07 | The manufacture method of cutting element |
Country Status (2)
| Country | Link |
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| CN (3) | CN106181278A (en) |
| WO (1) | WO2016165577A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181278A (en) * | 2015-04-17 | 2016-12-07 | 上海睿锆信息科技有限公司 | The manufacture method of cutting element |
| US11167382B2 (en) * | 2017-09-18 | 2021-11-09 | Agathon AG, Maschinenfabrik | Method and machine equipment for manufacturing of a cutting tool |
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- 2015-06-01 CN CN201510293423.1A patent/CN106181278A/en active Pending
- 2015-06-01 CN CN201510293407.2A patent/CN106180767B/en active Active
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2016
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- 2016-04-07 CN CN201680003086.0A patent/CN107000066A/en active Pending
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| CN102441715A (en) * | 2010-10-10 | 2012-05-09 | 孙生强 | Turning thread combined carding tool and installing and processing method thereof |
| CN203471019U (en) * | 2013-09-27 | 2014-03-12 | 新兴重工湖北三六一一机械有限公司 | Compound formed milling cutter for machining pipe orifices |
| CN104475831A (en) * | 2014-11-20 | 2015-04-01 | 重庆市华青汽车配件有限公司 | One-step molding knife for metal workpiece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106180767B (en) | 2019-05-24 |
| WO2016165577A1 (en) | 2016-10-20 |
| CN106180767A (en) | 2016-12-07 |
| CN107000066A (en) | 2017-08-01 |
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