CN106112073A - Piston pin two ends facing attachment - Google Patents
Piston pin two ends facing attachment Download PDFInfo
- Publication number
- CN106112073A CN106112073A CN201610628921.1A CN201610628921A CN106112073A CN 106112073 A CN106112073 A CN 106112073A CN 201610628921 A CN201610628921 A CN 201610628921A CN 106112073 A CN106112073 A CN 106112073A
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- Prior art keywords
- piston pin
- frame
- plant
- fixture
- processing unit
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- 241000196324 Embryophyta Species 0.000 claims abstract description 37
- 241000220317 Rosa Species 0.000 claims abstract description 20
- 241001125877 Gobio gobio Species 0.000 claims abstract description 13
- 230000003028 elevating Effects 0.000 claims description 7
- 230000001105 regulatory Effects 0.000 claims description 6
- 210000002421 Cell Wall Anatomy 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/04—Milling machines not designed for particular work or special operations with a plurality of horizontal working-spindles
- B23C1/045—Opposed - spindle machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
Abstract
The present invention relates to a kind of piston pin two ends facing attachment, including frame, frame is provided with piston pin fixture, the first processing unit (plant) and the second processing unit (plant) it is additionally provided with in frame, feeding device and drawing mechanism it is additionally provided with in frame, first processing unit (plant) and the second processing unit (plant) include motor, and the output shaft of motor is provided with tool rest, and tool rest is provided with gudgeon pin bore rose reamer and piston pin cylindrical rose reamer；Also include feeding device and blanking device；Blank is sent into piston pin fixture from feeding device by feeding device, blank is clamped by piston pin fixture, then the two ends of blank are processed by the first processing unit (plant) and the second processing unit (plant) simultaneously, complete gudgeon pin bore chamfering and the outer rounded corner of piston pin, then the piston pin completing chamfering is taken off from fixture by blanking device, put into drawing mechanism, the whole course of processing has only to clamped one time, complete the inner bore chamfering at piston pin two ends and outer rounded corner simultaneously, automaticity is high, working (machining) efficiency is high, substantially increases production efficiency.
Description
Technical field
The present invention relates to a kind of piston pin facing attachment.
Background technology
In the existing piston pin course of processing, the endoporus of the end to piston pin and cylindrical is needed to carry out chamfering respectively, existing
Process equipment, can only individually carry out inner bore chamfering and outer rounded corner mostly, does not has can to complete inner bore chamfering simultaneously and cylindrical falls
The equipment at angle, and facing attachment of the prior art can only carry out the chamfer machining at two ends of piston pin, working (machining) efficiency respectively
Relatively low.
Summary of the invention
It is high that the technical problem to be solved is to provide a kind of working (machining) efficiency, stable and reliable in work, can be greatly improved
The piston pin two ends facing attachment of production efficiency.
For solving above-mentioned technical problem, the technical scheme is that piston pin two ends facing attachment, including frame, institute
State frame and be provided with piston pin fixture, described frame is additionally provided be oppositely arranged first be positioned at outside described piston pin two ends
Processing unit (plant) and the second processing unit (plant), described frame is additionally provided with feeding device and drawing mechanism, described first processing unit (plant) and
Second processing unit (plant) includes that motor, the output shaft of described motor are provided with tool rest, and described tool rest is provided with gudgeon pin bore
Rose reamer and piston pin cylindrical rose reamer；Also include from feeding device, blank being sent into the feeding device in fixture and processing
The piston pin become takes off the blanking device sending into drawing mechanism from fixture.
As preferred technical scheme, described tool rest is additionally provided with end face cutter.
As preferred technical scheme, described gudgeon pin bore rose reamer, piston pin cylindrical rose reamer and end face cutter
Being arranged on sliding shoe, described tool rest is provided with neat with described gudgeon pin bore rose reamer, piston pin cylindrical rose reamer and end face
Flat cutter three gathering sills one to one, described sliding shoe is movably arranged in corresponding described gathering sill, described gathering sill and
It is provided with regulating positioning device between described sliding shoe.
As preferred technical scheme, described regulating positioning device includes the screw being located on described sliding shoe, described spiral shell
Being combined with bolt in hole, be provided with baffle plate in described gathering sill, the nut of described bolt gear is at described baffle plate and described gathering sill
Between cell wall, described sliding shoe being additionally provided with slider guide groove, described tool rest is provided with positioning screw hole, described positioning screw hole inward turning
Close the bolt having in described slider guide groove screws in described positioning screw hole.
As preferred technical scheme, described feeding device and drawing mechanism are included in two supports be arrangeding in parallel in frame
Plate, the upper surface of gripper shoe described in two is provided with multiple V-groove, and described feeding device also includes described in two between gripper shoe
Movable plate, the upper surface of described movable plate is provided with multiple V-type support slot, and the lower surface of described movable plate is provided with horizontal movement gas
Cylinder, the piston rod of described horizontal movement cylinder is connected with described movable plate, and the cylinder body of described horizontal movement cylinder is provided with perpendicular
To guide runner, described frame is provided with the vertically extending vertical gathering sill coordinated with described vertical guide runner, described shifting
The lower surface of dynamic plate is additionally provided with the laterally steering groove of horizontal expansion, is movably installed with laterally steering sliding in described laterally steering groove
Block, described laterally steering slide block connects the piston rod having elevating movement cylinder, and described elevating movement cylinder is fixedly mounted on frame
On.
As preferred technical scheme, described feeding device includes that feeding manipulator, described blanking device include blanking machine
Tool hands, described feeding manipulator and described blanking mechanical hand all include two folders being oppositely arranged being clamped in the middle part of described piston pin
Holding plate, the side surface that grip block described in two is relative is provided with V-type holding tank, the V-type holding tank opening phase on grip block described in two
Right.
As preferred technical scheme, described fixture includes two fixture blocks being oppositely arranged, the apparent surface of fixture block described in two
On be respectively equipped with arcuate groove, the upper surface of fixture block described in two is respectively equipped with the vertical slot being connected with described arcuate groove, described on
Material mechanical hand and blanking mechanical hand can stretch in described vertical slot.
As preferred technical scheme, described fixture block is fixedly mounted on fixture block seat, and described fixture block seat is slidably mounted on folder
Block X is on guide holder, and described fixture block X is slidably mounted on fixture block Y-direction guide holder to guide holder.
As preferred technical scheme, described motor is arranged on base, and described base is slidably mounted on X to guide holder
On, described X is slidably mounted on Y-direction guide holder to guide holder；Described first processing unit (plant) and the second processing unit (plant) also include driving
The Y-direction that dynamic base moves relative to Y-direction guide holder to guide holder to driving cylinder and driving X to the X that guide holder moves relative to X
Drive cylinder.
As preferred technical scheme, described frame is provided with the positioner being positioned at feeding device discharge end, described
Positioner includes the cylinder being arranged in the frame of two gripper shoe sides of described feeding device and is arranged on described feed dress
Block in the frame of the two gripper shoe opposite sides put, the piston rod of described cylinder is provided with pushing block, described pushing block and
Described block is oppositely arranged, and the pushing direction of described pushing block is perpendicular to the length direction of described gripper shoe.
Owing to have employed technique scheme, piston pin two ends facing attachment, including frame, described frame is provided with piston
Pin fixture, described frame is additionally provided with and is positioned at the first processing unit (plant) being oppositely arranged and second outside described piston pin two ends and adds
Frock is put, and described frame is additionally provided with feeding device and drawing mechanism, and described first processing unit (plant) and the second processing unit (plant) include
Motor, the output shaft of described motor is provided with tool rest, and described tool rest is provided with outside gudgeon pin bore rose reamer and piston pin
Rounded corner cutter；Also include blank is sent into the feeding device in fixture and by the piston pin that machines from fixture from feeding device
Take off the blanking device sending into drawing mechanism；Blank is sent into piston pin fixture, piston pin fixture from feeding device by feeding device
Being clamped by blank, then the two ends of blank are processed by the first processing unit (plant) and the second processing unit (plant) simultaneously, complete piston pin
Inner bore chamfering and the outer rounded corner of piston pin, then the piston pin completing chamfering is taken off from fixture by blanking device, puts into discharging
Device, the whole course of processing has only to clamped one time, completes the inner bore chamfering at piston pin two ends and outer rounded corner simultaneously, moreover it is possible to profit
Process two end faces, in order to ensure the length of piston pin with the end face cutter on the first processing unit (plant) and the second processing unit (plant) simultaneously
Degree meets the requirements, and automaticity is high, and working (machining) efficiency is high, substantially increases production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, also may be used
To obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the first processing unit (plant) and the structural representation of the second processing unit (plant) in the embodiment of the present invention；
Fig. 2 is the operation principle schematic diagram of the embodiment of the present invention；
Fig. 3 is the structural representation of tool rest in the embodiment of the present invention；
Fig. 4 is the structural representation of piston pin fixture in the embodiment of the present invention；
Fig. 5 is the schematic diagram that in the embodiment of the present invention, piston pin is clamped by two fixture blocks；
Fig. 6 is feeding manipulator and the structural representation of blanking mechanical hand in the embodiment of the present invention；
Fig. 7 is feeding device and the structural representation of drawing mechanism in the embodiment of the present invention；
Fig. 8-Fig. 9 is the work process schematic diagram of feeding device and drawing mechanism in the embodiment of the present invention；
Figure 10 is the installation site schematic diagram of gripper shoe and movable plate in the embodiment of the present invention.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, piston pin two ends facing attachment, including frame 1, described frame 1 is provided with piston pin
Fixture 2, described frame 1 is additionally provided with the first processing unit (plant) 4 and second being oppositely arranged being positioned at outside described piston pin 3 two ends
Processing unit (plant) 5, described frame 1 is additionally provided with feeding device 6 and drawing mechanism 7, and described first processing unit (plant) 4 and second adds frock
Putting 5 and include that motor 8, the output shaft of described motor 8 are provided with tool rest 9, described tool rest 9 is provided with gudgeon pin bore rose reamer
10 and piston pin cylindrical rose reamer 11；Also include from feeding device, blank being sent into the feeding device 12 in fixture and processing
The piston pin become takes off the blanking device 13 sending into drawing mechanism from fixture.
It is additionally provided with end face cutter 14 on described tool rest 9.The both ends of the surface of piston pin are flushed by end face cutter, and first
Two end faces processed by end face cutter on processing unit (plant) and the second processing unit (plant) simultaneously, to ensure that the length of piston pin conforms to
Ask.
As it is shown on figure 3, described gudgeon pin bore rose reamer 10, piston pin cylindrical rose reamer 11 and end face cutter 14 are installed
On sliding shoe 15, described tool rest 9 is provided with and described gudgeon pin bore rose reamer 10, piston pin cylindrical rose reamer 11 and end face
Flushing cutter 14 three gathering sills 16 one to one, described sliding shoe 15 is movably arranged in corresponding described gathering sill 16, institute
State and be provided with regulating positioning device between gathering sill 16 and described sliding shoe 15.
Described regulating positioning device includes the screw being located on described sliding shoe 15, is combined with bolt 17 in described screw,
Be provided with baffle plate 18 in described gathering sill 16, the nut of described bolt 17 gear described baffle plate 18 and described gathering sill 16 cell wall it
Between, described sliding shoe 15 is additionally provided with slider guide groove 19, described tool rest 9 is provided with positioning screw hole, described positioning screw hole inward turning
Close to have and screw in the bolt 20 in described positioning screw hole through described slider guide groove 19.The nut of described bolt 17 keeps off described
Between the cell wall of baffle plate 18 and described gathering sill 16, during rotating bolt, sliding shoe 15 is moved, thus carries out each processing cutter
The position of tool, is then locked by bolt, easy to adjust.
As shown in Fig. 7, Fig. 8, Fig. 9 and Figure 10, described feeding device and drawing mechanism are included in and be arranged in parallel in frame
Two gripper shoes 21, the upper surface of gripper shoe 21 described in two is provided with multiple V-groove 22, and described feeding device also includes being positioned at described in two
Movable plate 23 between gripper shoe 21, the upper surface of described movable plate 23 is provided with multiple V-type support slot 41, under described movable plate
Surface is provided with horizontal movement cylinder 24, and the piston rod of described horizontal movement cylinder 24 is connected with described movable plate 23, described
The cylinder body of horizontal movement cylinder 24 is provided with vertical guide runner 25, described frame 1 be provided with vertically extending and described vertically
The vertical gathering sill 26 that guide runner 25 coordinates, the lower surface of described movable plate 23 is additionally provided with the laterally steering groove of horizontal expansion
27, it is movably installed with laterally steering slide block 28 in described laterally steering groove 27, described laterally steering slide block 28 connects lifting fortune
The piston rod of dynamic air cylinder 29, described elevating movement cylinder 29 is fixedly mounted in frame 1.Elevating movement cylinder drive movable plate to
The piston pin 3 being placed between the V-groove of two gripper shoes is lifted by upper motion, and then horizontal movement cylinder drives movable plate to the
One processing unit (plant) and the second processing unit (plant) move the distance of V-groove adjacent in gripper shoe 21 described in two, then elevating movement gas
Cylinder drives movable plate to move downward, and is placed on by piston pin between the V-groove of two gripper shoes, then at elevating movement cylinder and water
The drive lower shifting board of flat motion cylinder returns to initial position.Achieve the intermittent delivery of piston pin, feeding can be effectively ensured
Mechanical hand and the blanking mechanical hand accurate crawl to piston pin, reliable and stable work.
As shown in Figure 6, described feeding device includes feeding manipulator, and described blanking device includes blanking mechanical hand, described
Feeding manipulator and described blanking mechanical hand all include two grip blocks 30 being oppositely arranged being clamped in the middle part of described piston pin, two
The side surface that described grip block 30 is relative is provided with V-type holding tank 31, the V-type holding tank 31 opening phase on grip block 30 described in two
Right.
As shown in Figure 4 and Figure 5, described fixture includes two fixture blocks 32 being oppositely arranged, the apparent surface of fixture block 32 described in two
On be respectively equipped with arcuate groove 33, the upper surface of fixture block 32 described in two is respectively equipped with the vertical slot being connected with described arcuate groove 33
34, described feeding manipulator and blanking mechanical hand can stretch in described vertical slot 34.Feeding manipulator and blanking mechanical hand clamping
Described in this piston pin inlet between fixture block, then piston pin is clamped by two fixture block relative motioies, due to the existence of vertical slot, and can
So that unclamping feeding manipulator after two fixture block clamping piston pins again, then feeding manipulator removes through vertical slot again.
Described fixture block 32 is fixedly mounted on fixture block seat 35, and described fixture block seat 35 is slidably mounted on fixture block X to guide holder 36
On, described fixture block X is slidably mounted on fixture block Y-direction guide holder 37 to guide holder 36.
Described motor 8 is arranged on base 38, and described base 38 is slidably mounted on X on guide holder 39, described guide X
It is slidably mounted on Y-direction guide holder 40 to seat 39；Described first processing unit (plant) and the second processing unit (plant) also include driving base phase
The X moved to guide holder for X drives gas to the Y-direction driving cylinder and driving X to move relative to Y-direction guide holder to guide holder
Cylinder.
As shown in Figure 10, described frame is provided with the positioner being positioned at feeding device discharge end, described positioner
Including the cylinder 43 in the frame of two gripper shoe 21 sides being arranged on described feeding device be arranged on described feeding device
Block 44 in the frame of two gripper shoe 21 opposite sides, the piston rod of described cylinder 43 is provided with pushing block, described pushing block
Being oppositely arranged with described block 44, the pushing direction of described pushing block is perpendicular to the length direction of described gripper shoe 21.Pushing block
Promote piston pin to act against on block, the position of piston pin is positioned.
Blank is sent into piston pin fixture 2 from feeding device by feeding device, and blank is clamped by piston pin fixture, and then first
The two ends of blank are processed by processing unit (plant) 4 and the second processing unit (plant) 5 simultaneously, complete outside gudgeon pin bore chamfering and piston pin
Rounded corner, then the piston pin completing chamfering is taken off from fixture by blanking device 13, puts into drawing mechanism, the whole course of processing
Having only to clamped one time, complete the inner bore chamfering at piston pin two ends and outer rounded corner simultaneously, automaticity is high, working (machining) efficiency
Height, substantially increases production efficiency.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.The technology of the industry
Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and
Equivalent defines.
Claims (10)
1. piston pin two ends facing attachment, it is characterised in that: include that frame, described frame are provided with piston pin fixture, described machine
It is additionally provided with on frame and is positioned at the first processing unit (plant) being oppositely arranged outside described piston pin two ends and the second processing unit (plant), described machine
Being additionally provided with feeding device and drawing mechanism on frame, described first processing unit (plant) and the second processing unit (plant) include motor, described electricity
The output shaft of motivation is provided with tool rest, and described tool rest is provided with gudgeon pin bore rose reamer and piston pin cylindrical rose reamer；Also wrap
Include and blank is sent into the feeding device in fixture from feeding device and the piston pin machined is taken off feeding discharging from fixture
The blanking device of device.
2. piston pin two ends as claimed in claim 1 facing attachment, it is characterised in that: it is additionally provided with end face on described tool rest
Cutter.
3. piston pin two ends as claimed in claim 2 facing attachment, it is characterised in that: described gudgeon pin bore rose reamer, work
Plug pin cylindrical rose reamer and end face cutter are arranged on sliding shoe, and described tool rest is provided with and described gudgeon pin bore chamfering
Cutter, piston pin cylindrical rose reamer and end face cutter three gathering sills one to one, described sliding shoe is movably arranged on accordingly
Described gathering sill in, be provided with regulating positioning device between described gathering sill and described sliding shoe.
4. piston pin two ends as claimed in claim 3 facing attachment, it is characterised in that: described regulating positioning device includes being located at
Screw on described sliding shoe, is combined with bolt in described screw, be provided with baffle plate in described gathering sill, the nut gear of described bolt
Between the cell wall of described baffle plate and described gathering sill, described sliding shoe being additionally provided with slider guide groove, described tool rest is provided with
Positioning screw hole, is combined with the bolt in described slider guide groove screws in described positioning screw hole in described positioning screw hole.
5. piston pin two ends as claimed in claim 1 facing attachment, it is characterised in that: described feeding device and drawing mechanism bag
Including two gripper shoes be arrangeding in parallel in frame, the upper surface of gripper shoe described in two is provided with multiple V-groove, and described feeding device is also
Including at movable plate between gripper shoe described in two, the upper surface of described movable plate is provided with multiple V-type support slot, described movement
The lower surface of plate is provided with horizontal movement cylinder, and the piston rod of described horizontal movement cylinder is connected with described movable plate, described
The cylinder body of horizontal movement cylinder is provided with vertical guide runner, and described frame is provided with vertically extending sliding with described vertical guiding
The vertical gathering sill that block coordinates, the lower surface of described movable plate is additionally provided with the laterally steering groove of horizontal expansion, described laterally steering
Being movably installed with laterally steering slide block in groove, described laterally steering slide block connects the piston rod having elevating movement cylinder, described liter
Fall motion cylinder is fixedly mounted in frame.
6. piston pin two ends as claimed in claim 1 facing attachment, it is characterised in that: described feeding device includes feeding machinery
Hands, it is described that described blanking device includes that blanking mechanical hand, described feeding manipulator and described blanking mechanical hand all include being clamped in
Two grip blocks being oppositely arranged in the middle part of piston pin, the side surface that grip block described in two is relative is provided with V-type holding tank, described in two
V-type holding tank opening on grip block is relative.
7. piston pin two ends as claimed in claim 6 facing attachment, it is characterised in that: described fixture includes two be oppositely arranged
Fixture block, the apparent surface of fixture block described in two is respectively equipped with arcuate groove, and the upper surface of fixture block described in two is respectively equipped with and described arc
The vertical slot that shape groove is connected, described feeding manipulator and blanking mechanical hand can stretch in described vertical slot.
8. piston pin two ends as claimed in claim 7 facing attachment, it is characterised in that: described fixture block is fixedly mounted on fixture block seat
On, described fixture block seat is slidably mounted on fixture block X on guide holder, and described fixture block X is slidably mounted on fixture block Y-direction to guide holder and guides
On seat.
9. piston pin two ends as claimed in claim 1 facing attachment, it is characterised in that: described motor is arranged on base,
Described base is slidably mounted on X on guide holder, and described X is slidably mounted on Y-direction guide holder to guide holder；Described first processing
Device and the second processing unit (plant) also include that the X driving base to move to guide holder relative to X to driving cylinder and drives X to guiding
Seat drives cylinder relative to the Y-direction of Y-direction guide holder motion.
10. piston pin two ends as claimed in claim 5 facing attachment, it is characterised in that: it is provided with in described frame and is positioned at confession
The positioner of material device discharge end, described positioner includes the frame being arranged on two gripper shoe sides of described feeding device
On cylinder and the two gripper shoe opposite sides that are arranged on described feeding device frame on block, on the piston rod of described cylinder
Being provided with pushing block, described pushing block and described block to be oppositely arranged, the pushing direction of described pushing block is perpendicular to described support
The length direction of plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610628921.1A CN106112073B (en) | 2016-08-02 | 2016-08-02 | Piston pin both ends facing attachment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610628921.1A CN106112073B (en) | 2016-08-02 | 2016-08-02 | Piston pin both ends facing attachment |
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| CN106112073A true CN106112073A (en) | 2016-11-16 |
| CN106112073B CN106112073B (en) | 2018-05-25 |
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| CN201610628921.1A Active CN106112073B (en) | 2016-08-02 | 2016-08-02 | Piston pin both ends facing attachment |
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| CN106735320A (en) * | 2016-12-21 | 2017-05-31 | 上海理工大学 | Pipe axle ultraprecise automates Special Purpose Machine for Processing |
| CN110948021A (en) * | 2019-12-02 | 2020-04-03 | 铜陵市逸欣机械制造有限公司 | Milling process for end face and bottom face of bearing bush cover of automobile engine |
| CN112059798A (en) * | 2020-09-23 | 2020-12-11 | 陈登全 | Be used for two-way chamfer device of metal cylinder |
| IT202000001693A1 (en) * | 2020-01-29 | 2021-07-29 | Metouch S R L | MILLING MACHINE |
| CN113211101A (en) * | 2021-05-14 | 2021-08-06 | 杜洋 | Copper pipe chamfering device and machining equipment |
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| CN113211101A (en) * | 2021-05-14 | 2021-08-06 | 杜洋 | Copper pipe chamfering device and machining equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106112073B (en) | 2018-05-25 |
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