CN106363494B - A kind of ring opening arrays polishing and collecting device of being formed - Google Patents
A kind of ring opening arrays polishing and collecting device of being formed Download PDFInfo
- Publication number
- CN106363494B CN106363494B CN201610758057.7A CN201610758057A CN106363494B CN 106363494 B CN106363494 B CN 106363494B CN 201610758057 A CN201610758057 A CN 201610758057A CN 106363494 B CN106363494 B CN 106363494B
- Authority
- CN
- China
- Prior art keywords
- piston ring
- material bar
- cut
- polishing
- bar
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
- B24B19/11—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding the circumferential surface of rings, e.g. piston rings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
Abstract
The present invention relates to a kind of polishing of ring opening arrays and sizing collecting devices, including cut machine, automatic arranging device, grinding device and sizing collection device；The material exit of cut machine is arranged in the automatic arranging device, for the good piston ring of cut to be pressed linear type proper alignment at cut；The grinding device is arranged in automatic arranging device rear end, polishes at the cut for aligning the piston ring arranged；The rear end of grinding device is arranged in the sizing collection device, stitching state when for collecting the piston ring polished and keep polishing；The automatic arranging device includes rotatable material bar a, rotatable material bar b, material bar a is arranged in and expects the backgauge piece to get stuck partially and the portion distal end that gets stuck is arranged in right above the center between bar b；It can not achieve auto arrangement before overcoming piston ring polishing in the prior art, labor intensive is at high cost, and existing some auto arrangement grinding apparatus operation stabilities difference and the piston ring after grinding efficiency is low and polishing cannot be formed the problem of collecting.
Description
Technical field
The present invention relates to piston ring production equipment technologies more particularly to a kind of polishing of ring opening arrays and sizing to collect
Equipment.
Background technique
Piston ring is common component of machine, and in piston ring production process, typically ring is first broken on cut machine
Mouthful, then worker takes the piston ring for having broken mouth polishing away, and have plenty of craft and polishes one by one, the piston ring quality polished in this way
Preferably but inefficiency, human cost are high；Some equipment for being able to achieve automation polishing are typically also to need manually by piston
Ring needs the break location that aside ceaselessly sets right of standing by the then feeding polishing of marshalling at cut, worker, and operation is more numb
It is tired, and the cut polishing of piston ring is also being polished by the way of hydraulic cylinder pushing one by one, and piston ring is more
Tiny single polishing support force is not enough easy bending, stability difference and low efficiency.
The patent document of Publication No. CN103753374B is authorized, date of publication is on February 17th, 2016, it discloses
A kind of piston ring automatic opening trimming machine, the arrangement achieves piston rings in a manner of opening up horizontal suspension type numerical control pusher feeding,
It can be accurately positioned when pusher, binder is reliable and stable, improves production efficiency, reduces costs, and ensure that the processing essence of piston ring
Degree and processing quality；But the equipment does not combine effectively with cut machine, is still to operate after having broken mouth on cut machine
Personnel manage the opening of piston ring, and opening up to be placed on horizontal feeding T-type guide plate, polishing from cut machine to cut still needs
It expends larger manpower and the device structure is complex, be easy to appear failure；Therefore a equipment, which need to be designed, is able to achieve work
Plug ring after aperture position auto arrangement by polishing, and production efficiency wants high, and correctness wants high, and in addition completing can be to work after polishing
Plug ring carries out shaping collection to meet subsequent processing request.
Summary of the invention
An object of the present invention is in view of the deficiencies of the prior art, before overcoming piston ring polishing in the prior art
It can not achieve auto arrangement, labor intensive is at high cost, existing some auto arrangement grinding apparatus operation stability differences and polishing effect
Piston ring after rate is low and polishing cannot be formed the problem of collecting.It provides a kind of ring opening arrays polishing and collection of being formed is set
It is standby.
A kind of polishing of ring opening arrays and sizing collecting device, including cut machine, automatic arranging device, grinding device and
Sizing collection device；The material exit of cut machine is arranged in the automatic arranging device, broken for the good piston ring of cut to be pressed
Linear type proper alignment at mouthful；The grinding device is arranged in automatic arranging device rear end, for aligning the piston arranged
It polishes at the cut of ring；The rear end of grinding device is arranged in the sizing collection device, for collecting the piston polished
Ring and keep polishing when stitching state；The automatic arranging device includes rotatable material bar a, rotatable material bar b, setting
The backgauge piece to get stuck partially and the portion distal end that gets stuck is set right above center between material bar a and material bar b；Institute
It is different with the direction of rotation and rotation speed for expecting bar b to state material bar a；The part that gets stuck includes supporting plate, is arranged on supporting plate
It gets stuck and plate and the rib a to get stuck on plate is set；The line of centres of the arc apex distance of the rib a from material bar a and material bar b hangs down
Straight distance is d1, and d1 is greater than the radius d2 of piston ring；The position of the material bar a and material bar b guarantee that piston ring hangs over the arc of rib a
When top, the inner wall of the surface fitting piston ring of material bar a and material bar b；The sizing collection device includes that turntable and setting are turning
Several devices that get stuck on disk；The device that gets stuck includes pedestal and several curved pieces that get stuck being set on the base, described
The inner wall track of several curved pieces that get stuck is the radius that same circle and radius are equal to stitching state when piston ring is polished.
As a preference, the pedestal is U-shaped shape, the U-shaped of several and base shape cooperation is provided on the turntable
Slot, pedestal are removably mounted at U-type groove.
As a preference, the material bar a rotates counterclockwise, revolving speed V1；The material bar b is in the direction of the clock
Rotation, revolving speed V2, V1 > V2.
As a preference, the device that gets stuck is fixed on cut machine and is arranged in parallel with material bar a and material bar b；Institute
The diameter for stating rib a is 1mm~2mm smaller than the cut width of piston ring；Cut width of the width of the plate that gets stuck than piston ring
Small 3mm~4mm；The width of the supporting plate is greater than the width of piston ring cut.
As a preference, the material bar a and material bar b and horizontal plane are at 30 °~35 ° angles.
As a preference, the grinding device includes sander and piston ring clamping device, piston ring clamping device folder
Hold the two sides that the dynamics of several piston rings just makes both ends at the cut of piston ring be fitted in the plate that gets stuck, the width of the plate that gets stuck
Degree is equal to the thickness of the grinding disc of sander.
As a preference, the piston ring clamping device includes mechanical clamp hand and axially pushes along material bar a and material bar b
Cylinder.
As a preference, the backgauge piece is elastic backgauge piece.
Preferably as another, it is provided with inductive switch on the cylinder, when mechanical clamp hand has clamped several piston rings, gas
Inductive switch control sander starting when cylinder is axially advanced, when cylinder retracts, inductive switch control sander is shut down.
Beneficial effects of the present invention:
(1) by the way that material bar rotation collating unit is arranged to the piston ring for having broken mouth in the outlet port of cut machine in the present invention
Autostable arrangement is carried out, the piston ring after arrangement is pushed by the clamping of mechanical clamp hand backward again, by setting in collating unit
The sander of rear end completes batch and polishes, and realizes the high quality and high efficiency polishing of piston ring.
(2) make to live by the way that independent get stuck device and rotatable material bar a, rotatable material bar b is arranged in the present invention
Plug ring is fallen on the rib a for the device that gets stuck, and the inner wall of piston ring is contacted with rotatable material bar a and rotatable material bar b, expects bar
A and material bar b rotation direction and revolving speed are different, and piston ring is slowly rotated in one direction, expect the very fast band of bar a revolving speed
Piston ring is rotated towards the direction of its rotation, and material bar b inversely turns to have rotated piston ring one decelerating effect, and can prevent
Piston ring rotation is too fast to cause opening to cross rib a and need to turn around again, reaches and improves alignment efficiency.
(3) in invention elastic backgauge piece setting one side to arrange piston ring to be polished play a supporting role it is another
Aspect pushes after nor affecting on mechanical clamp hand clamp piston circumferential direction.
(4) present invention in inductive switch is set on hydraulic cylinder, rationally control sander working condition, the amount of having start to
Just start when pushing afterwards, electric power can be saved.
(5) by the sizing collection device of setting and mechanical clamp hand clamping part cooperation in the present invention, make after completing to polish
The constant collection device that is finalized of state shape when piston ring is able to maintain polishing is collected, and mechanical clamp hand one after completion polishing is avoided
Loose piston ring becomes in disorder state again, and subsequent manufacturing procedure is made to become trouble.
Detailed description of the invention
It, below will be to required use in embodiment description for the clearer technical solution for illustrating the embodiment of the present invention
Attached drawing be briefly described, it should be apparent that, drawings discussed below is only some embodiments of the present invention, for ability
For the those of ordinary skill in domain, without creative efforts, it is attached to can also be obtained according to these attached drawings other
Figure.
Fig. 1 is a kind of structural schematic diagram of material bar rotation arrangement polishing cut equipment.
Fig. 2 is the structural schematic diagram of sizing collection device.
Fig. 3 is structural schematic diagram when automatic arranging device piston ring is hung on rib a.
Fig. 4 is structural schematic diagram when automatic arranging device piston ring is hung on supporting plate.
Fig. 5 is the structural schematic diagram of rotation collating unit.
Specific embodiment
Technical solution in the embodiment of the present invention is clearly and completely illustrated with reference to the accompanying drawing.
Embodiment
Fig. 1 is a kind of structural schematic diagram of material bar rotation arrangement polishing cut equipment, and Fig. 2 is the structure of sizing collection device
Schematic diagram, Fig. 3 are structural schematic diagram when automatic arranging device piston ring is hung on rib a, and Fig. 4 is living for automatic arranging device
Structural schematic diagram when plug ring is hung on supporting plate, Fig. 5 are the structural schematic diagram of rotation collating unit.As shown in Figure 1, Figure 2, Fig. 3, figure
Shown in 4 and Fig. 5, a kind of ring opening arrays polishing and collecting device of being formed, including cut machine 1, automatic arranging device 2, polishing dress
Set 3 and sizing collection device 4；The automatic arranging device 2 is arranged at the material outlet 11 of cut machine 1, for cut is good
Piston ring 10 by linear type proper alignment at cut；The grinding device 3 setting in 2 rear end of automatic arranging device, for pair
It polishes at the cut of the good piston ring 10 of proper alignment；The rear end of grinding device 3 is arranged in the sizing collection device 4,
Stitching state when for collecting the piston ring 10 polished and keep polishing；The automatic arranging device 2 includes rotatable
Material bar a21, rotatable material bar b22, material bar a21 is set and expects the part that gets stuck right above the center between bar b22
23 and the backgauge piece 24 of 23 end of part that gets stuck is set；The direction of rotation of the material bar a21 and material bar b22 and rotation speed
Degree is different；It is described get stuck part 23 include supporting plate 231, be arranged on supporting plate 231 get stuck plate 232 and be arranged in the plate that gets stuck
Rib a233 on 232；The arc top 2331 of the rib a233 apart from material bar a21 and expect bar b22 the line of centres it is vertical away from
It is greater than the radius d2 of piston ring from for d1, d1；The position of the material bar a21 and material bar b22 guarantee that piston ring 10 hangs over rib
When the arc top 2331 of a233, the inner wall of the surface fitting piston ring 10 of material bar a21 and material bar b22；The sizing collection device 4 wraps
Several devices 42 that get stuck for including turntable 41 and being arranged on turntable 41；The device 42 that gets stuck includes pedestal 421 and setting
Several curved pieces 422 that get stuck on pedestal 421, the inner wall track of several curved pieces 422 that get stuck are same circle and radius
The radius of stitching state when polishing equal to piston ring 10；The pedestal 421 is U-shaped shape, be provided on the turntable 41 it is several and
The U-type groove 411 of 421 shape of pedestal cooperation, pedestal 421 are removably mounted at U-type groove 411；The material bar a21 is counterclockwise
Rotation, revolving speed V1；The material bar b22 rotates in the direction of the clock, revolving speed V2, V1 > V2；The part 23 that gets stuck is fixed on
It is arranged in parallel on cut machine 1 and with material bar a21 and material bar b22；The diameter of the rib a233 is wider than the cut of piston ring 10
Spend small 1mm~2mm；The width of the plate 232 that gets stuck is 3mm~4mm smaller than the cut width of piston ring 10；The supporting plate 231
Width is greater than the width of 10 cut of piston ring；The material bar a21 and material bar b22 and horizontal plane are at 30 °~35 ° angles；It is described to beat
Mill apparatus 3 includes sander 31 and piston ring clamping device 32, and the dynamics that plug ring clamping device 32 clamps several piston rings 10 is rigid
Both ends at the cut of piston ring are made to be fitted in the two sides for the plate 232 that gets stuck well, the width of the plate 232 that gets stuck is equal to sander 31
Grinding disc 311 thickness；The piston ring clamping device 32 is including mechanical clamp hand 321 and along material bar a21 and material bar b22 axial direction
The cylinder 322 of promotion；The backgauge piece 24 is elastic backgauge piece；It is provided with inductive switch 5 on the cylinder 322, when machinery presss from both sides
Hand 321 clamps good several piston rings 10, and inductive switch 5 controls sander 31 and starts when cylinder 322 is axially advanced, and works as cylinder
Inductive switch 5 controls sander 31 and shuts down when 322 rollback.
When work, piston ring glides after having broken mouth on cut machine along the rib a that rib gets stuck on device, piston ring
Inner wall and material bar a and expect that the surface of bar b contacts, the revolving speed and rotation direction of material bar a and material bar b are different, and piston ring is towards material
The direction of bar a rotation slowly rotates, and falls on supporting plate under supporting plate under piston ring when gap-clearance of piston rings turns to the rib position a
End is slided into, the elastic backgauge piece of end stops piston ring, and machinery clamp hand clamp piston ring when arriving a certain amount of, dynamics just makes out
Mouth side, which is attached to, to get stuck on surface, and clamping finishes Hydraulic Cylinder machinery clamp hand and squeezes through elastic gear along support rod axis direction
The mobile control of the inductive switch simultaneously sander starting of tablet, the opening of piston ring are directed at grinding disc, complete piston ring batch and polish,
Inductive switch controls sander and shuts down, and hydraulic cylinder continues to press on mechanical clamp hand to the device that gets stuck, the curved piece that gets stuck for the device that gets stuck
It is inserted into the gap of mechanical clamp hand clamping part, gets stuck device at this time and clamping part is spliced to form cylindric, mechanical clamp hand unclamps
The shape that piston ring has stayed in the device that gets stuck and kept original when polishing afterwards, under the device that gets stuck can be dismantled from turntable,
Take subsequent processing processing.
In the description of the present invention, it is to be understood that, the orientation or positional relationship of the instructions such as term " front and back ", " left and right "
To be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description of the present invention and simplification of the description, rather than indicate or
It implies that signified equipment or component must have a particular orientation, is constructed and operated in a specific orientation, therefore should not be understood as
Limitation to invention.
Certainly in the technical scheme, those skilled in the art is it should be understood that term " one " is interpreted as " at least
One " or " one or more ", i.e., in one embodiment, the quantity of an element can be one, and in other implementation
In example, the quantity of the element can be it is multiple, term " one " should not be understood as the limitation to quantity.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (7)
1. a kind of ring opening arrays polishing and sizing collecting device, it is characterised in that: including cut machine (1), automatic arranging device
(2), grinding device (3) and sizing collection device (4)；Automatic arranging device (2) setting is exported in the material of cut machine (1)
(11) at, for the good piston ring of cut (10) to be pressed linear type proper alignment at cut；Grinding device (3) setting is certainly
Collating unit (2) rear end is moved, is polished at the cut for aligning the piston ring arranged (10)；Dress is collected in the sizing
Set pressing shape of (4) setting in the rear end of grinding device (3), when for collecting the piston ring polished (10) and keep polishing
State；The automatic arranging device (2) includes rotatable material bar a(21), rotatable material bar b(22), setting material bar a(21)
And material bar b(22) between center right above get stuck part (23) and setting get stuck part (23) end backgauge
Piece (24)；The material bar a(21) it is different with the direction of rotation of material bar b(22) and rotation speed；Part (23) packet that gets stuck
Supporting plate (231), setting are included in the plate that gets stuck (232) on supporting plate (231) and the rib a being arranged on the plate that gets stuck (232)
(233)；The rib a(233) arc top (2331) distance material bar a(21) and expect bar b(22) the line of centres vertical range
It is greater than the radius d2 of piston ring for d1, d1；The material bar a(21) and material bar b(22) position guarantee piston ring (10) hang over muscle
A(233) arc top (2331) when, expect bar a(21) and material bar b(22) surface be bonded the inner wall of piston ring (10)；It is described fixed
Type collection device (4) includes several devices that get stuck (42) of turntable (41) and setting on turntable (41)；The device that gets stuck
(42) include pedestal (421) and several curved pieces that get stuck (422) on pedestal (421) are set, it is described several curved to get stuck
The inner wall track of piece (422) is the radius that same circle and radius are equal to stitching state when piston ring (10) polish；
Under stitching state when polishing, mechanical clamp hand clamp piston ring (10), the open side of piston ring (10) is attached to the portion of getting stuck
Divide on (23) side；
The part (23) that gets stuck is fixed on cut machine (1) and is arranged in parallel with material bar a(21) and material bar b(22)；It is described
Rib a(233) diameter it is 1mm~2mm smaller than the cut width of piston ring (10)；The width of the plate that gets stuck (232) compares piston
Small 3 mm of cut width~4mm of ring (10)；The width of the supporting plate (231) is greater than the width of piston ring (10) cut；
The grinding device (3) includes sander (31) and piston ring clamping device (32), piston ring clamping device (32) clamping
The dynamics of several piston rings (10) just makes both ends at the cut of piston ring be fitted in the two sides of the plate that gets stuck (232), the card
The width of flitch (232) is equal to the thickness of the grinding disc (311) of sander (31)；
When work, piston ring (10) has broken the rib a(233 after mouth on the part (23) that gets stuck on cut machine (1)) it glides,
The inner wall of piston ring (10) with material bar a(21) and material bar b(22) surface contact, expect bar a(21) and expect bar b(22) revolving speed with
Rotation direction is different, and the direction of piston ring towards material bar a(21) rotation slowly rotates, and piston ring (10) opening turns to rib
A(233) position falls on supporting plate (231) at present and slips down to end along supporting plate (231), and the backgauge piece (24) of end stops piston
Ring (10).
2. a kind of ring opening arrays polishing according to claim 1 and sizing collecting device, which is characterized in that the pedestal
(421) it is U-shaped shape, the U-type groove (411) of several and pedestal (421) shape cooperation, pedestal is provided on the turntable (41)
(421) U-type groove (411) are removably mounted at.
3. a kind of ring opening arrays polishing according to claim 1 and sizing collecting device, which is characterized in that the material bar
A(21 it) rotates counterclockwise, revolving speed V1；The material bar b(22) it rotates in the direction of the clock, revolving speed V2, V1 > V2.
4. a kind of ring opening arrays polishing according to claim 1 and sizing collecting device, which is characterized in that the material bar
A(21) and material bar b(22) and horizontal plane at 30 °~35 ° angles.
5. a kind of ring opening arrays polishing according to claim 1 and sizing collecting device, which is characterized in that the piston
Ring clamping device (32) include mechanical clamp hand (321) and along material bar a(21) and expect bar b(22) cylinder (322) that axially pushes.
6. a kind of ring opening arrays polishing according to claim 1 and sizing collecting device, which is characterized in that the backgauge
Piece (24) is elastic backgauge piece.
7. a kind of ring opening arrays polishing according to claim 5 and sizing collecting device, which is characterized in that the cylinder
(322) inductive switch (5) are provided on, when mechanical clamp hand (321) clamp good several piston rings (10), cylinder (322) is along axial direction
Inductive switch (5) control sander (31) starting when propulsion, when cylinder (322) retract, inductive switch (5) controls sander
(31) it shuts down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758057.7A CN106363494B (en) | 2016-08-29 | 2016-08-29 | A kind of ring opening arrays polishing and collecting device of being formed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610758057.7A CN106363494B (en) | 2016-08-29 | 2016-08-29 | A kind of ring opening arrays polishing and collecting device of being formed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106363494A CN106363494A (en) | 2017-02-01 |
| CN106363494B true CN106363494B (en) | 2018-12-14 |
Family
ID=57901236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610758057.7A Active CN106363494B (en) | 2016-08-29 | 2016-08-29 | A kind of ring opening arrays polishing and collecting device of being formed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106363494B (en) |
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| CN201067805Y (en) * | 2007-07-23 | 2008-06-04 | 仪征市润扬机械厂 | Automatic material receiving piston ring inner chamfering machine |
| CN101486163A (en) * | 2008-12-16 | 2009-07-22 | 机械工业第三设计研究院 | Device for automatically conveying material for grinding machine |
| CN102226688A (en) * | 2011-04-12 | 2011-10-26 | 翁瑜 | Automatic detection system of engine piston ring |
| CN203380687U (en) * | 2013-07-12 | 2014-01-08 | 南京飞燕活塞环股份有限公司 | Receiving device used during repairing of openings of piston rings |
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| CN105171427A (en) * | 2015-08-31 | 2015-12-23 | 重庆理工大学 | Full automatic grinding machine for piston ring inclined end surface |
| CN204935287U (en) * | 2015-09-03 | 2016-01-06 | 日晟机械（昆山）有限公司 | Step grinding machine |
| CN205043554U (en) * | 2015-09-25 | 2016-02-24 | 上海石创石英玻璃有限公司 | High -efficient processingequipment of quartzy ring |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10244426A (en) * | 1997-03-04 | 1998-09-14 | Komatsu Koki Kk | Composite working device for piston ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201067805Y (en) * | 2007-07-23 | 2008-06-04 | 仪征市润扬机械厂 | Automatic material receiving piston ring inner chamfering machine |
| CN101486163A (en) * | 2008-12-16 | 2009-07-22 | 机械工业第三设计研究院 | Device for automatically conveying material for grinding machine |
| CN102226688A (en) * | 2011-04-12 | 2011-10-26 | 翁瑜 | Automatic detection system of engine piston ring |
| CN203380687U (en) * | 2013-07-12 | 2014-01-08 | 南京飞燕活塞环股份有限公司 | Receiving device used during repairing of openings of piston rings |
| CN204771874U (en) * | 2015-06-05 | 2015-11-18 | 深圳三扬轴业股份有限公司 | Grinding apparatus |
| CN105171427A (en) * | 2015-08-31 | 2015-12-23 | 重庆理工大学 | Full automatic grinding machine for piston ring inclined end surface |
| CN204935287U (en) * | 2015-09-03 | 2016-01-06 | 日晟机械（昆山）有限公司 | Step grinding machine |
| CN205043554U (en) * | 2015-09-25 | 2016-02-24 | 上海石创石英玻璃有限公司 | High -efficient processingequipment of quartzy ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106363494A (en) | 2017-02-01 |
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