CN107717462B - Annular element fracture knurling device and annular element fracture rose work method - Google Patents
Annular element fracture knurling device and annular element fracture rose work method Download PDFInfo
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- CN107717462B CN107717462B CN201610658811.XA CN201610658811A CN107717462B CN 107717462 B CN107717462 B CN 107717462B CN 201610658811 A CN201610658811 A CN 201610658811A CN 107717462 B CN107717462 B CN 107717462B
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 241000220317 Rosa Species 0.000 title claims abstract description 15
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000007547 defect Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000012797 qualification Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000013618 particulate matter Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- 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
The present invention provides a kind of annular element fracture knurling device, including processing platform, is provided with the fixture that the annular element of annular knurl is waited for for clamping；For the machined surface excess stock and the burr removing knife that is purged of burr to annular element fracture；Part for needing annular knurl to machined surface is milled into the forming cutter at the default angle R；The first knurling tool and the second knurling tool that annular knurl is carried out to machined surface can be cooperated, the two pattern direction is opposite and can be arranged on processing platform along the processing route feed of machined surface, the first knurling tool, the second knurling tool, burr removing knife and forming cutter.Annular element fracture knurling device of the invention is fixed using the annular element that fixture treats annular knurl, burr removing knife, forming cutter, the first knurling tool and the second knurling tool are successively utilized again, it realizes to the automatic annular knurl of the machined surface of fracture, so influence of the human factor to annular knurl quality is reduced, to be advantageously implemented standardized production.The present invention also provides a kind of annular element fracture rose work methods.
Description
Technical field
The present invention relates to technical fields of mechanical processing, more specifically to a kind of annular element fracture knurling device, this hair
It is bright to further relate to a kind of annular element fracture rose work method.
Background technique
In order to improve annular element fracture to the adsorption capacity of particulate matter, bumps are evenly arranged on the surface of annular element fracture
Decorative pattern, to improve the degree of roughness of annular element fracture surface, with increase absorption particulate matter ability.The prior art often uses
The mode scribed by hand carries out annular knurl in annular element fracture surface.
Since by manual annular knurl, annular knurl technique is cumbersome, and per pass process operations require height, and human factor is to annular knurl quality
Be affected, and operator needs a large amount of experience, and the technological learning time is longer, and the amount of labour is larger in operation, work
Efficiency is lower, while being easier to the product defects such as decorative pattern overlapping, the bad, burr of decorative pattern linking occur, can not achieve standardized production.
It is current in favor of realizing standardized production in conclusion how to reduce influence of the human factor to annular knurl quality
Those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of annular element fracture knurling devices, to reduce human factor pair
The influence of annular knurl quality, to be advantageously implemented standardized production.
Another object of the present invention is to provide a kind of annular element fracture rose work methods, to reduce human factor to annular knurl matter
The influence of amount, to be advantageously implemented standardized production.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of annular element fracture knurling device, comprising:
Processing platform is provided with the fixture that the annular element of annular knurl is waited for for clamping on the processing platform；
For the machined surface excess stock and the burr removing knife that is purged of burr to the annular element fracture；
Part for needing annular knurl to the machined surface is milled into the forming cutter at the default angle R；
Can cooperate to the machined surface carry out annular knurl the first knurling tool and the second knurling tool, first knurling tool and
The pattern direction of second knurling tool is on the contrary, the two can be along the processing route feed of the machined surface, first rolling
Flower knife, second knurling tool, the burr removing knife and the forming cutter are arranged on the processing platform.
Preferably, in above-mentioned annular element fracture knurling device, first knurling tool, second knurling tool, the hair
Thorn, which removes knife and the forming cutter, can enter and leave the Working position of the fracture；
The annular element fracture knurling device further include:
First knurling tool, second knurling tool, the burr removing knife and the forming cutter can be driven to enter and leave
The driving device of the Working position；
The controller of the driving device operating status can be controlled, the controller is connect with the driving device.
Preferably, in above-mentioned annular element fracture knurling device, revolving platform, first rolling are provided on the processing platform
Flower knife, second knurling tool, the burr removing knife and the forming cutter are arranged along the circumferential of the revolving platform at described time
On turntable, the driving device can drive the revolving platform to rotate.
Preferably, in above-mentioned annular element fracture knurling device, dividing head is provided on the processing platform, the fixture is set
It sets on the dividing head.
Preferably, in above-mentioned annular element fracture knurling device, the burr removing knife is milling cutter.
Preferably, in above-mentioned annular element fracture knurling device, the processing platform is numerically-controlled machine tool.
Preferably, in above-mentioned annular element fracture knurling device, first knurling tool and second knurling tool include
Knife bar and the knurled wheel being set on the knife bar, the knurled wheel can be rotated around the axis of the knife bar, the knurled wheel
Outer peripheral surface is provided with knurled pattern.
Preferably, in above-mentioned annular element fracture knurling device, arc groove, institute are provided on the outer peripheral surface of the knurled wheel
Knurled pattern is stated to be located on the groove face of the arc groove.
It can be seen from the above technical scheme that annular element fracture knurling device provided by the invention include processing platform,
Burr removing knife, forming cutter, the first knurling tool and the second knurling tool；Wherein, it is provided on processing platform and waits for annular knurl for clamping
Annular element fixture；Burr removing knife is for being purged the machined surface excess stock and burr of annular element fracture；Molding
Knife is for needing the part of annular knurl to be milled into the default angle R machined surface；First knurling tool and the second knurling tool can cooperate to adding
The pattern direction of work face progress annular knurl, the first knurling tool and the second knurling tool is on the contrary, the two can be along the processing road of machined surface
Line feed, the first knurling tool, the second knurling tool, burr removing knife and forming cutter are arranged on processing platform.
In application, being fixed first with the annular element that fixture treats annular knurl；Then using burr removing knife to annular
The machined surface excess stock and burr of part fracture are purged；The part milling of annular knurl is needed to machined surface followed by forming cutter
At the default angle R, i.e., the arc surface that annular knurl needs on thickness direction is processed in machined surface；Finally successively using the first knurling tool and
Second knurling tool carries out annular knurl to machined surface along preset cutting line.
Annular element fracture knurling device of the invention is fixed using the annular element that fixture treats annular knurl, prevents its generation
Displacement, and successively utilize burr removing knife, forming cutter, the first knurling tool and the second knurling tool, realize to the machined surface of fracture from
Dynamic annular knurl, so reducing influence of the human factor to annular knurl quality, while reducing manual labor amount, reduces hand labor
Intensity improves work efficiency, and can reduce and the product defects such as decorative pattern overlapping, the bad, burr of decorative pattern linking occur, improves
Product qualification rate, to be advantageously implemented standardized production.
The present invention also provides a kind of annular element fracture rose work methods, set using any of the above-described kind of annular element fracture annular knurl
It is standby to carry out, the annular element fracture rose work method the following steps are included:
1) it is fixed using the annular element that the fixture treats annular knurl；
2) it is purged using machined surface excess stock and burr of the burr removing knife to the annular element fracture；
3) part of annular knurl is needed to be milled into the default angle R the machined surface using the forming cutter；
4) successively utilize first knurling tool and second knurling tool along preset cutting line to the processing
Face carries out annular knurl.
Preferably, it in above-mentioned annular element fracture rose work method, is further comprised the steps of: after the step 4)
5) to the position deburring after annular knurl.
Annular element fracture rose work method of the invention is fixed using the annular element that fixture treats annular knurl, prevents its generation
Displacement, and successively utilize burr removing knife, forming cutter, the first knurling tool and the second knurling tool, realize to the machined surface of fracture from
Dynamic annular knurl, so reducing influence of the human factor to annular knurl quality, while reducing manual labor amount, reduces hand labor
Intensity improves work efficiency, and can reduce and the product defects such as decorative pattern overlapping, the bad, burr of decorative pattern linking occur, improves
Product qualification rate, to be advantageously implemented standardized production.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the main view of annular element fracture knurling device provided in an embodiment of the present invention；
Fig. 2 is the partial enlargement structure chart of A in Fig. 1；
Fig. 3 is the sectional view of the line B-B along Fig. 1；
Fig. 4 is the partial enlargement structure chart of C in Fig. 3；
Fig. 5 is the left view of annular element fracture knurling device provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of annular element fracture knurling devices, can reduce human factor to annular knurl quality
It influences, to be advantageously implemented standardized production.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Attached drawing 1-5 is please referred to, annular element fracture knurling device provided in an embodiment of the present invention includes processing platform 1, burr
Remove knife, forming cutter, the first knurling tool and the second knurling tool；Wherein, the ring that annular knurl is waited for for clamping is provided on processing platform 1
The fixture 3 of shape part 4；Burr removing knife is for being purged the machined surface excess stock and burr of 4 fracture of annular element；Forming cutter
Part for needing annular knurl to machined surface is milled into the default angle R；First knurling tool and the second knurling tool can cooperate to processing
The pattern direction of face progress annular knurl, the first knurling tool and the second knurling tool is on the contrary, the two can be along the processing route of machined surface
Feed, the first knurling tool, the second knurling tool, burr removing knife and forming cutter are arranged on processing platform 1.Specifically, above-mentioned
The cutting line of two knurling tools is determining according to the machined surface shape of 4 fracture of annular element, 4 fracture shape of annular element as shown in Figure 4
Shape, corresponding feed route are the route of figure chain lines.
In application, being fixed first with the annular element 4 that fixture 3 treats annular knurl；Then using burr removing knife to ring
The machined surface excess stock and burr of 4 fracture of shape part are purged；The part of annular knurl is needed to machined surface followed by forming cutter
It is milled into the default angle R, i.e., processes the arc surface that annular knurl needs on thickness direction in machined surface；Finally successively utilize the first annular knurl
Knife and the second knurling tool carry out annular knurl to machined surface along preset cutting line.
Annular element fracture knurling device of the invention is fixed using the annular element 4 that fixture 3 treats annular knurl, prevents its hair
Raw displacement, and burr removing knife, forming cutter, the first knurling tool and the second knurling tool are successively utilized, realize the machined surface to fracture
Automatic annular knurl so reducing influence of the human factor to annular knurl quality, while reducing manual labor amount, reduces artificial labor
Fatigue resistance improves work efficiency, and can reduce and the product defects such as decorative pattern overlapping, the bad, burr of decorative pattern linking occur, mentions
High product qualification rate, to be advantageously implemented standardized production.
Preferably, the first knurling tool, the second knurling tool, burr removing knife and forming cutter can enter and leave the machining position of fracture
It sets；Annular element fracture knurling device further includes driving device and controller, and driving device can drive the first knurling tool, the second rolling
Flower knife, burr removing knife and forming cutter enter and leave Working position；Controller can control driving device operating status, controller and drive
Dynamic device connection.The present invention controls the operation of driving device by controller and moves into Working position and shifting to automatically control each cutter
Working position out improves automation, further reduces the influence of human factor.
Specifically, controlling driving device first for burr removing knife for after the annular element 4 of annular knurl is fixed on fixture 3
Working position is moved into be purged the machined surface excess stock and burr of 4 fracture of annular element；Then burr removing knife is removed
Working position controls driving device for forming cutter and moves into Working position, needs the part of annular knurl to be milled into default R machined surface
Angle；Forming cutter is finally removed into Working position, the first knurling tool and the second knurling tool are successively moved into processing using driving device
Position carries out annular knurl to machined surface.Certainly, the present invention can also be not provided with above controller, by manually converting above-mentioned cutter
Into and out Working position.
In further technical solution, revolving platform, the first knurling tool, the second knurling tool, burr are provided on processing platform 1
It removes knife and forming cutter to be arranged on revolving platform along the circumferential of revolving platform, driving device can drive revolving platform to rotate.The present invention
Each cutter is realized using driving device driving revolving platform rotation in the switching of Working position, convenient for operation, and structure is simple.This
Invention can also replace above-mentioned revolving platform by linear guide, realize discrepancy Working position by translating above-mentioned each cutter.
In order to further increase machining accuracy, dividing head 2 is provided on processing platform 1, fixture 3 is arranged on dividing head 2.
When clamping behind annular element 4 of annular knurl, the present invention can adjust the position of 4 fracture of annular element by the rotation of dividing head 2,
So that it is positioned exactly at Working position, is convenient for non-movable ring segment 4.Certainly, the present invention can also be not provided with above-mentioned dividing head 2, fill
The position of fracture is adjusted while pressing from both sides annular element 4.
In a specific embodiment of the invention, burr removing knife is milling cutter.The present invention adds 4 fracture of annular element by milling cutter
Work face excess stock and burr are purged, and structure is simple, and cost is relatively low.Certainly, above-mentioned burr removing knife can also be other
Structure, such as deburring manipulator or file.
In order to further optimize the above technical scheme, processing platform 1 is numerically-controlled machine tool.Above controller and each cutter are integrated
On numerically-controlled machine tool, convenient for assembly, machining accuracy is higher.The present invention can also be used as using machining center or other structures to be added
Work platform 1.
Preferably, in above-mentioned annular element fracture knurling device, the first knurling tool and the second knurling tool include knife bar 6 and set
The knurled wheel 5 being located on knife bar 6, knurled wheel 5 can be rotated around the axis of knife bar 6, and the outer peripheral surface of knurled wheel 5 is provided with annular knurl flower
Line.Knurling tool of the invention generates machined surface by rotation when moving along processing route and squeezes, realization annular knurl, and two
A knurling tool cooperation can roll out reticulation patterns, and realization is standardized annular element 4.The structure letter of above-mentioned knurling tool
It is single, easy to process and assembly.Certainly, knurling tool may be the roller that surface has annular knurl line, and the present invention does not do this specifically
It limits.
In order to further increase the quality of annular knurl, it is preferred that be provided with arc groove, annular knurl on the outer peripheral surface of knurled wheel 5
Decorative pattern is located on the groove face of arc groove.The arc groove can preferably cooperate with the machined surface of circular arc, guarantee process
In it is relatively steady.The outer peripheral surface of knurled wheel 5 may be periphery.
The embodiment of the invention also provides a kind of annular element fracture rose work methods, provide using any of the above-described embodiment
Annular element fracture knurling device carry out, annular element fracture rose work method the following steps are included:
S1, the annular element 4 that annular knurl is treated using fixture 3 are fixed；
S2, it is purged using machined surface excess stock and burr of the burr removing knife to 4 fracture of annular element；
S3, it needs the part of annular knurl to be milled into the default angle R machined surface using forming cutter, i.e., processes thickness in machined surface
The arc surface that annular knurl needs on direction；
S4, successively using the first knurling tool and the second knurling tool annular knurl is carried out to machined surface along preset cutting line.
Annular element fracture rose work method of the invention is fixed using the annular element 4 that fixture 3 treats annular knurl, prevents its hair
Raw displacement, and burr removing knife, forming cutter, the first knurling tool and the second knurling tool are successively utilized, realize the machined surface to fracture
Automatic annular knurl so reducing influence of the human factor to annular knurl quality, while reducing manual labor amount, reduces artificial labor
Fatigue resistance improves work efficiency, and can reduce and the product defects such as decorative pattern overlapping, the bad, burr of decorative pattern linking occur, mentions
High product qualification rate, to be advantageously implemented standardized production.
It further include step S5 after step S4: to the position deburring after annular knurl to further increase annular knurl quality.
Specifically, the present invention is purged the burr after annular knurl by the way of sand grinding in order to avoid the abrasion to annular knurl.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of annular element fracture knurling device characterized by comprising
Processing platform (1) is provided with the fixture (3) that the annular element (4) of annular knurl is waited for for clamping on the processing platform (1)；
For the machined surface excess stock and the burr removing knife that is purged of burr to the annular element (4) fracture；
Part for needing annular knurl to the machined surface is milled into the forming cutter at the default angle R；
The first knurling tool and the second knurling tool that annular knurl is carried out to the machined surface, first knurling tool and described can be cooperated
The pattern direction of second knurling tool on the contrary, the two can along the processing route feed of the machined surface, first knurling tool,
Second knurling tool, the burr removing knife and the forming cutter are arranged on the processing platform (1).
2. annular element fracture knurling device according to claim 1, which is characterized in that first knurling tool, described
Two knurling tools, the burr removing knife and the forming cutter can enter and leave the Working position of the fracture；
The annular element fracture knurling device further include:
It can drive described in first knurling tool, second knurling tool, the burr removing knife and forming cutter discrepancy
The driving device of Working position；
The controller of the driving device operating status can be controlled, the controller is connect with the driving device.
3. annular element fracture knurling device according to claim 2, which is characterized in that be arranged on the processing platform (1)
There is revolving platform, first knurling tool, second knurling tool, the burr removing knife and the forming cutter are along the revolving platform
It is circumferential be arranged on the revolving platform, the driving device can drive the revolving platform to rotate.
4. annular element fracture knurling device according to claim 1, which is characterized in that be arranged on the processing platform (1)
Have dividing head (2), the fixture (3) is arranged on the dividing head (2).
5. annular element fracture knurling device according to claim 1, which is characterized in that the burr removing knife is milling cutter.
6. annular element fracture knurling device according to claim 1, which is characterized in that the processing platform (1) is numerical control
Lathe.
7. annular element fracture knurling device according to claim 1-6, which is characterized in that first knurling tool
It include knife bar (6) and the knurled wheel (5) being set on the knife bar (6) with second knurling tool, the knurled wheel (5) can
Axis around the knife bar (6) rotates, and the outer peripheral surface of the knurled wheel (5) is provided with knurled pattern.
8. annular element fracture knurling device according to claim 7, which is characterized in that the outer peripheral surface of the knurled wheel (5)
On be provided with arc groove, the knurled pattern is located on the groove face of the arc groove.
9. a kind of annular element fracture rose work method, which is characterized in that its application such as the described in any item annular elements of claim 1-8
Fracture knurling device carry out, the annular element fracture rose work method the following steps are included:
1) it is fixed using the annular element (4) that the fixture (3) treat annular knurl；
2) the machined surface excess stock and burr of the annular element (4) fracture are purged using the burr removing knife；
3) part of annular knurl is needed to be milled into the default angle R the machined surface using the forming cutter；
4) successively using first knurling tool and second knurling tool along preset cutting line to the machined surface into
Row annular knurl.
10. annular element fracture rose work method according to claim 9, which is characterized in that further include after the step 4)
Step:
5) to the position deburring after annular knurl.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610658811.XA CN107717462B (en) | 2016-08-11 | 2016-08-11 | Annular element fracture knurling device and annular element fracture rose work method |
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|---|---|---|---|
| CN201610658811.XA CN107717462B (en) | 2016-08-11 | 2016-08-11 | Annular element fracture knurling device and annular element fracture rose work method |
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| CN107717462B true CN107717462B (en) | 2019-07-30 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108406225A (en) * | 2018-05-28 | 2018-08-17 | 宁波江丰电子材料股份有限公司 | Etch guard member production method, device and numerically controlled lathe |
| CN108994525B (en) * | 2018-07-20 | 2020-08-11 | 宁波江丰电子材料股份有限公司 | Knurling process for end face of ultrahigh-purity titanium sputtering target for semiconductor |
| CN113560825B (en) * | 2021-07-30 | 2022-07-15 | 宁波江丰电子材料股份有限公司 | Semiconductor sputtering ring protection piece and processing method thereof |
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| JP2000334533A (en) * | 1999-05-25 | 2000-12-05 | Hitachi Cable Ltd | Manufacturing method of metal strip with protrusion |
| CN101920437A (en) * | 2010-08-20 | 2010-12-22 | 宁夏东方钽业股份有限公司 | A flat knurling process for the inner and outer surfaces of sputtered tantalum rings |
| CN202292093U (en) * | 2011-11-07 | 2012-07-04 | 玉环英腾机床制造有限公司 | Mirror surface processing machine for ball head |
| CN203956567U (en) * | 2014-05-26 | 2014-11-26 | 俞道 | A kind of guide rail chamfering facing cut processing tool |
| CN204108649U (en) * | 2014-08-22 | 2015-01-21 | 浙江周庆盖业有限公司 | A kind of annular knurl wire-drawing mechanism of aluminium lid |
| CN204262673U (en) * | 2014-10-23 | 2015-04-15 | 富阳市万力金属型材有限公司 | A kind of rim serrations equipment |
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2016
- 2016-08-11 CN CN201610658811.XA patent/CN107717462B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000334533A (en) * | 1999-05-25 | 2000-12-05 | Hitachi Cable Ltd | Manufacturing method of metal strip with protrusion |
| CN101920437A (en) * | 2010-08-20 | 2010-12-22 | 宁夏东方钽业股份有限公司 | A flat knurling process for the inner and outer surfaces of sputtered tantalum rings |
| CN202292093U (en) * | 2011-11-07 | 2012-07-04 | 玉环英腾机床制造有限公司 | Mirror surface processing machine for ball head |
| CN203956567U (en) * | 2014-05-26 | 2014-11-26 | 俞道 | A kind of guide rail chamfering facing cut processing tool |
| CN204108649U (en) * | 2014-08-22 | 2015-01-21 | 浙江周庆盖业有限公司 | A kind of annular knurl wire-drawing mechanism of aluminium lid |
| CN204262673U (en) * | 2014-10-23 | 2015-04-15 | 富阳市万力金属型材有限公司 | A kind of rim serrations equipment |
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| CN107717462A (en) | 2018-02-23 |
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