CN107186432A - Milled head and rolling tools - Google Patents
Milled head and rolling tools Download PDFInfo
- Publication number
- CN107186432A CN107186432A CN201710621350.3A CN201710621350A CN107186432A CN 107186432 A CN107186432 A CN 107186432A CN 201710621350 A CN201710621350 A CN 201710621350A CN 107186432 A CN107186432 A CN 107186432A
- Authority
- CN
- China
- Prior art keywords
- roller
- hole
- milled head
- rolling
- seal groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 61
- 230000036316 preload Effects 0.000 claims description 33
- 125000006850 spacer group Chemical group 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 230000003746 surface roughness Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000000007 visual effect Effects 0.000 description 7
- 238000012545 processing Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/02—Treating or finishing by applying pressure, e.g. knurling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Mechanical Sealing (AREA)
Abstract
The invention provides a kind of milled head and rolling tools, belong to machining technology field.Milled head includes installed part and roller, and roller is connected to rotatably and slidably installed part around rotational axis line along rotational axis line.The milled head can pass through the rotatable characteristic of roller, when rolling seal groove, it can be rolled the bottom of seal groove, utilize the slidable characteristic of roller, when rolling seal groove, it has small shifting amount in the axial direction, and the side of seal groove can be ground by it, rolling operation is carried out to seal groove by milled head, the surface roughness of seal groove can be made to reach very high requirement.Rolling tools include milled head, and it has the repertoire of the milled head.
Description
Technical field
The present invention relates to machining technology field, in particular to a kind of milled head and rolling tools.
Background technology
The processing of liquid braking device seal groove belongs to an important technology of field of machining, to install various sealing rings
Deng potted component, it is necessary to process some roughness requirements very high narrow annular groove in the caliper endoporus of various brakes.Separately
The material of the caliper part of external contractring brake is more miscellaneous, is reached not by various heat treatments by ordinary carbon steel, steel alloy, cast iron etc.
With hardness, the difficult processings of many seal grooves using universal cutter to be realized.In the past can only be using boring cutter, milling cutter, lathe tool etc.
Tool sharpening, the sealing ring roughness so processed does not reach design requirement, and easy scratch sealing ring influences sealing effectiveness
With the service life of sealing ring.The processing and manufacturing of endoporus seal groove turns into a technological difficulties of liquid braking device industry.
In view of this, the processing and manufacturing of liquid braking device endoporus seal groove how is solved, makes the surface roughness of seal groove
It is a problem of row those skilled in the art's urgent need to resolve to reach very high requirement.
The content of the invention
Object of the present invention is to provide a kind of milled head, improve the deficiencies in the prior art, it can by roller
The characteristic of rotation, when rolling seal groove, it can be rolled the bottom of seal groove, using the slidable characteristic of roller,
When rolling seal groove, it has small shifting amount in the axial direction, and the side of seal groove can be ground by it, passes through rolling
Pressure head carries out rolling operation to seal groove, and the surface roughness of seal groove can be made to reach very high requirement.
Another object of the present invention is to there is provided a kind of rolling tools, it includes milled head mentioned above, and it has
The repertoire of the milled head.
What embodiments of the invention were realized in：
The embodiment provides a kind of milled head, it includes installed part and roller, and roller can around rotational axis line
Rotate and be slidably connected to installed part along rotational axis line.
Specifically, the milled head can be by the rotatable characteristic of roller, when rolling seal groove, it can be by seal groove
Bottom rolled, using the slidable characteristic of roller, when rolling seal groove, it has small play in the axial direction
Amount, the side of seal groove can be ground by it, carried out rolling operation to seal groove by milled head, can be made seal groove
Surface roughness reaches very high requirement.
Optionally, roller has roller hole, and installed part is provided with the bearing pin for wearing roller hole, and milled head also includes axle
Set, axle sleeve be fixedly installed in roller the hole in and axle sleeve two ends relative to roller protrusion, axle sleeve be rotatably sheathed on bearing pin and
Can be relative to bearing pin play.
Optionally, axle sleeve selects copper sheathing.
Optionally, the edge of roller is provided with rounding.
Embodiments of the invention additionally provide a kind of rolling tools, and it includes guiding element and milled head mentioned above, install
Part is slidably connected to guiding element.
Optionally, guiding element has accommodating chamber, and a part for installed part is slidably arranged in accommodating chamber, and installed part has
First station and the second station, rolling device also include replying part, reply part and are located in accommodating chamber and with making installed part by the
The trend that two stations are moved to the first station.
Optionally, rolling tools also include the first preload piece, and one end of the remote roller of guiding element is provided with to be connected with accommodating chamber
Logical adjustment hole, the first preload piece is movably arranged in adjustment hole and the pretightning force of part is replied for adjusting.
Optionally, rolling tools also include the second preload piece, and the second preload piece is slidably arranged in accommodating chamber, and second
One end of preload piece abuts or is connected to reply part, and the other end of the second preload piece is connected to the first preload piece.
Optionally, adjustment hole has internal thread, and the first preload piece has external screw thread, and the first preload piece is matched somebody with somebody with guiding element screw thread
Close.
Optionally, rolling tools also include spacer pin, and the side wall of guiding element offers the first hole, and installed part offers second
Hole, spacer pin is arranged in the first hole and the second hole respectively, and spacer pin can slide in the first hole and make installed part relative to leading
Part is slided.
Compared with prior art, the beneficial effect of the embodiment of the present invention is：
In summary, the milled head can be by the rotatable characteristic of roller, and when rolling seal groove, it will can be sealed
The bottom of groove is rolled, and using the slidable characteristic of roller, when rolling seal groove, it has small play in the axial direction
Amount, the side of seal groove can be ground by it, carried out rolling operation to seal groove by milled head, can be made seal groove
Surface roughness reaches very high requirement.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be attached to what is used required in embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the schematic diagram under the first visual angle for the milled head that the embodiment of the present invention 1 is provided；
Fig. 2 is the schematic diagram under second of visual angle of the milled head shown in Fig. 1；
Fig. 3 is the schematic diagram under the third visual angle of the milled head shown in Fig. 1；
Fig. 4 is the schematic diagram under the first visual angle for the rolling tools that the embodiment of the present invention 2 is provided；
Fig. 5 is the schematic diagram under second of visual angle of the rolling tools shown in Fig. 4；
Fig. 6 is provided with the schematic diagram under the first visual angle of Knife handle structure for the rolling tools shown in Fig. 4；
Fig. 7 is provided with the schematic diagram under second of visual angle of Knife handle structure for the rolling tools shown in Fig. 4.
Icon：100- rolling tools；10- milled heads；11- installed parts；The holes of 101- second；110- bearing pins；12- rollers；
120- rollers hole；13- axle sleeves；20- guiding elements；201- accommodating chambers；202- adjustment holes；The holes of 203- first；21- replys part；22- first
Preload piece；The preload pieces of 23- second；30- spacer pins；40- handle of a knifes.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.The present invention implementation being generally described and illustrated herein in the accompanying drawings
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", " interior ", the instruction such as " outer "
Orientation or position relationship are that, based on orientation shown in the drawings or position relationship, or the invention product is usually put when using
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.This
Outside, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative importance.
In the description of the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly be connected
Connect；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can
To be the connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Embodiment 1
Fig. 1, Fig. 2 and Fig. 3 are refer to, a kind of milled head 10 is present embodiments provided, it includes installed part 11 and roller 12,
Roller 12 rotatably and along rotational axis line is slidably connected to installed part 11 around rotational axis line.
Specifically, the milled head 10 can be by the rotatable characteristic of roller 12, when rolling seal groove, it can will be close
The bottom of sealing groove is rolled, using the slidable characteristic of roller 12, and when rolling seal groove, it has small in the axial direction
Shifting amount, the side of seal groove can be ground by it, carried out rolling operation to seal groove by milled head 10, can be made close
The surface roughness of sealing groove reaches very high requirement.
In specific implementation, according to the groove depth of different sealing groove, groove width, suitable roller 12, its radius, width can be selected
Degree disclosure satisfy that rolling demand.
To ensure the life-span of roller 12 and the crudy of seal groove, roller 12 can select high-quality bearing steel, its surface
Hardness is between HRC62-65.
Optionally, roller 12 has roller hole 120, and installed part 11 is provided with the bearing pin 110 for wearing roller hole 120,
Milled head 10 also includes axle sleeve 13, and axle sleeve 13 is fixedly installed in roller hole 120 and the two ends of axle sleeve 13 are convex relative to roller 12
Go out, axle sleeve 13 is rotatably sheathed on bearing pin 110 and can be relative to the play of bearing pin 110.
Axle sleeve 13 and roller 12 can use interference fits, and axle sleeve 13 and bearing pin 110 are coordinated using gap, during assembling, given
Each moving part grease up, so that roller 12 is rotated nimbly and freely.
When roller 12 is rotated, the axle sleeve 13 is fixedly installed relative to roller 12, the part of the relative protrusion in two ends of axle sleeve 13
Equal length, the scope being allowed in the axial direction with respect to play is identical.By the installation of axle sleeve 13, it can avoid in the same of play
When, it causes abrasion to installed part 11, and can also extend the service life of bearing pin 110 and roller 12.
Through hole or groove can be set in the end of installed part 11, axle sleeve 13 first can be bumped into roller hole 120 during assembling
It is interior, it is installed to using 110 rollers 12 for being bumped into axle sleeve 13 of bearing pin on installed part 11, to ensure that roller 12 is rotated nimbly and freely.
During rolling, the width of the roller 12 of selection need it is more slightly narrower than seal groove, while what the front end of roller 12 was stretched out
Part, its length is greater than the depth of seal groove.
Optionally, axle sleeve 13 selects copper sheathing.It is preferably tin bronze.
Optionally, the edge of roller 12 is provided with rounding.
It can be handled at the cylindrical and fillet of roller 12 by the way of grinding, reach its surface roughness
Ra0.2。
Accordingly, when selecting roller 12, the radius value of the fillet of selection should be equal or approximately equal to sealing trench bottom
The radius value of fillet, makes it easier to adaptation, completes rolling step.
A kind of milled head 10 provided according to embodiments of the present invention, the operation principle of milled head 10 is：
Roller 12 is rotated relative to installed part 11, during implementation, fixed installation part 11, and roller 12 is stretched into the workpiece of rotation
In seal groove, workpiece, which is rotated, drives roller 12 to rotate, and roller 12 carries out rolling processing to the bottom of seal groove, to improve its bottom
Roughness.
Roller 12 is slided relative to installed part 11, that is, can be in the axial direction with respect to play, and roller 12 is to seal groove
While bottom is rolled, its both sides can just be expressed to the two sides of seal groove, and the process is similar to grinder wheel
Swing grinding, carries out grinding processing, to improve the roughness of its sidepiece by the groove side of seal groove.
The bottom of seal groove and sidepiece can be rolled, are ground by the milled head 10, substantially increase its coarse
Degree, reduces its roughness value, makes its surface more smooth.
Embodiment 2
Fig. 4 and Fig. 5 are refer to, the present embodiment also provides a kind of rolling tools 100, and it includes guiding element 20 and mentioned above
Milled head 10, installed part 11 is slidably connected to guiding element 20.
The structure of milled head 10 may be referred to embodiment 1, and the rolling tools 100 have the institute of milled head 10 functional.
The guiding element 20 may be mounted on the knife rest of lathe, and the main shaft rotation of lathe drives workpiece to be rolled to rotate, accordingly,
Roller 12 is stretched into seal groove, its suitable distance is adjusted, makes workpiece drive roller 12 to rotate, is realized to rolling.
Optionally, guiding element 20 has accommodating chamber 201, and a part for installed part 11 is slidably arranged in accommodating chamber 201,
Installed part 11 has the first station and the second station, and rolling device also includes replying part 21, replys part 21 and be located in accommodating chamber 201
And with making the trend that installed part 11 is moved from the second station to the first station.
The reply part 21 can be spring, disc spring or other elastic mechanisms.
, it is necessary to which it has certain pressure, ability to seal groove bottom land during regulation roller 12 is to seal groove bottom land
The rolling to bottom land is realized, some rough portion extrusions are put down by bottom land, by replying the setting of part 21, its rolling process
With certain buffering capacity, in the presence of ensureing preferably to roll, it is to avoid defective work piece, additionally it is possible to which playing extension roller 12 makes
With the effect in life-span.
Optionally, rolling tools 100 also include the first preload piece 22, one end of remote the roller 12 of guiding element 20 be provided with and
The adjustment hole 202 that accommodating chamber 201 is connected, the first preload piece 22 is movably arranged in adjustment hole 202 and replys part for adjusting
21 pretightning force.
By operating the first preload piece 22, increase or the pretightning force for reducing reply part 21, installed part can be effectively adjusted
11 relative position in guiding element 20 is, it is necessary to when roller 12 is pressed against seal groove, can increase the pretightning force for replying part 21, phase
It is answering, it is necessary to which during the relative pressure pine of roller 12, the pretightning force for replying part 21 can be reduced.
Optionally, rolling tools 100 also include the second preload piece 23, and the second preload piece 23 is slidably arranged on accommodating chamber
In 201, one end of the second preload piece 23 abuts or is connected to reply part 21, and it is pre- that the other end of the second preload piece 23 is connected to first
Tight part 22.
By setting the second preload piece 23, when the first preload piece 22 is adjusted, it is not that part 21 is replied in direct contact,
It is avoided to cause abrasion.Accordingly, the two ends for replying part 21 can be connected with installed part 11, the second preload piece 23, its
Can abut.
Optionally, adjustment hole 202 has internal thread, and the first preload piece 22 has external screw thread, the first preload piece 22 and guiding element
20 screw threads coordinate.
First preload piece 22 can be bolt, realize that the pretightning force of part 21 is replied in regulation by twisting the first preload piece 22
Effect.
Fig. 6 and Fig. 7 are refer to, and combines Fig. 4, optionally, rolling tools 100 also include spacer pin 30, the side of guiding element 20
Wall offers the first hole 203, and installed part 11 offers the second hole 101, and spacer pin 30 is arranged in the first hole 203 and the second hole respectively
101, spacer pin 30 can slide in the first hole 203 and installed part 11 is slided relative to guiding element 20.
Explanation is needed exist for, second hole 101 can be through hole, and it can also be blind hole, and spacer pin 30 is arranged on
When in the second hole 101, it can be interference fit, and spacer pin 30 is located at the first hole 203 relative to the part that installed part 11 protrudes
Interior, the length in the first hole 203 determines the final stroke of installed part 11.
Optionally, rolling tools 100 also include handle of a knife 40, and handle of a knife 40 is fixedly connected or is integrally formed with guiding element 20.
It can be manufactured by welding.During installation, on the knife rest that handle of a knife 40 is arranged on to lathe, from different handle of a knifes 40
Form, it is possible to achieve it handles different seal grooves, and it can be used on size lathe, centre numerically controlled lathe.
The distance at the front end of roller 12 to the center of handle of a knife 40 is L1, and the length in the first hole 203 is L2, in the specific implementation, rolling
The diameter of wheel bore 120 is between 2L1 to 2 (L1+L2).
In conventional art, Ra1.6 can only achieve by the roughness of the seal groove fabricated out, it is suitable by selection
Roller 12, adjusts itself and the suitable spacing of seal groove, and the roughness that can be sealed against groove brings up to more than Ra0.8.
In summary, the invention provides a kind of milled head 10, the milled head 10 can be rotatable special by roller 12
Property, when rolling seal groove, it can be rolled the bottom of seal groove, using the slidable characteristic of roller 12, in rolling
During seal groove, it has small shifting amount in the axial direction, and the side of seal groove can be ground by it, pass through milled head 10
Rolling operation is carried out to seal groove, the surface roughness of seal groove can be made to reach very high requirement.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of milled head, for rolling seal groove, it is characterised in that including installed part and roller, the roller is around rotary shaft
Heart line is rotatable and is slidably connected to the installed part along the rotational axis line.
2. milled head according to claim 1, it is characterised in that the roller has roller hole, the installed part is set
There is the bearing pin for wearing the roller hole, the milled head also includes axle sleeve, and the axle sleeve is fixedly installed on the roller hole
The two ends of interior and described axle sleeve are protruded relative to the roller, and the axle sleeve is rotatably sheathed on the bearing pin and can be relative
In the bearing pin play.
3. milled head according to claim 2, it is characterised in that the axle sleeve selects copper sheathing.
4. the milled head according to claim any one of 1-3, it is characterised in that the edge of the roller is provided with rounding
Angle.
5. a kind of rolling tools, it is characterised in that including the milled head described in guiding element and claim any one of 1-4, the peace
Piece installing is slidably connected to the guiding element.
6. rolling tools according to claim 5, it is characterised in that the guiding element has accommodating chamber, the installed part
A part is slidably arranged in the accommodating chamber, and the installed part has the first station and the second station, the rolling dress
Putting also includes replying part, and the reply part is located in the accommodating chamber and with making the installed part from second station to institute
State the trend of the first station motion.
7. rolling tools according to claim 6, it is characterised in that the rolling tools also include the first preload piece, institute
The one end for stating the remote roller of guiding element is provided with the adjustment hole connected with the accommodating chamber, and first preload piece may move
Be arranged in the adjustment hole and for adjust it is described reply part pretightning force.
8. rolling tools according to claim 7, it is characterised in that the rolling tools also include the second preload piece, institute
State the second preload piece to be slidably arranged in the accommodating chamber, one end of second preload piece abuts or be connected to described return
Copy, the other end of second preload piece is connected to first preload piece.
9. rolling tools according to claim 7, it is characterised in that the adjustment hole has internal thread, described first is pre-
Tight part has external screw thread, and first preload piece coordinates with the guiding element screw thread.
10. the rolling tools according to claim any one of 5-9, it is characterised in that the rolling tools also include spacing
Pin, the side wall of the guiding element offers the first hole, and the installed part offers the second hole, and the spacer pin is arranged in described respectively
First hole and second hole, the spacer pin can slide in first hole and the installed part is led relative to described
Part is slided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621350.3A CN107186432B (en) | 2017-07-27 | 2017-07-27 | Milled head and rolling tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710621350.3A CN107186432B (en) | 2017-07-27 | 2017-07-27 | Milled head and rolling tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186432A true CN107186432A (en) | 2017-09-22 |
| CN107186432B CN107186432B (en) | 2019-09-13 |
Family
ID=59884632
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710621350.3A Active CN107186432B (en) | 2017-07-27 | 2017-07-27 | Milled head and rolling tools |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108080881A (en) * | 2017-12-19 | 2018-05-29 | 中车长春轨道客车股份有限公司 | A kind of wheel tread depth rolling device |
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| JP2012200756A (en) * | 2011-03-25 | 2012-10-22 | Murata Machinery Ltd | Machine tool |
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| CN105945510A (en) * | 2016-05-19 | 2016-09-21 | 华南理工大学 | Processing device for reinforcing surface rolling |
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