US20150328748A1 - Vibration Stop Device - Google Patents
Vibration Stop Device Download PDFInfo
- Publication number
- US20150328748A1 US20150328748A1 US14/616,236 US201514616236A US2015328748A1 US 20150328748 A1 US20150328748 A1 US 20150328748A1 US 201514616236 A US201514616236 A US 201514616236A US 2015328748 A1 US2015328748 A1 US 2015328748A1
- Authority
- US
- United States
- Prior art keywords
- vibration stop
- work
- holding parts
- pressure contact
- stop device
- 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.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/72—Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
- B23Q1/76—Steadies; Rests
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/06—Arrangements for positively actuating jaws
- B25B5/061—Arrangements for positively actuating jaws with fluid drive
- B25B5/064—Arrangements for positively actuating jaws with fluid drive with clamping means pivoting around an axis perpendicular to the pressing direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B5/00—Clamps
- B25B5/14—Clamps for work of special profile
- B25B5/147—Clamps for work of special profile for pipes
Definitions
- the present invention is relates to a vibration stop device necessary for stopping vibration of a work in a process stage.
- the work is divided into a processing region and a non-processing region along a circumferential direction, and in many cases, moves together with a main shaft in a state where a holding part for vibration stop is in pressure contact with an already processed region of the work.
- the pressure contact state causes a problem that the pressure contact region of the holding part intrudes into a region recessed by the processing, in the other words, in a recess, and even if the work is to be rotated along a columnar center axis for the next processing, such rotation is hindered due to the intrusion.
- Patent Document 1 describes, regarding a camshaft work to be ground, a processing region and vibration stop for the work, nevertheless has no particular description on the relationship between the processing region and the vibration stop.
- Patent Document 2 describes both processing on a work and a vibration stop device, but does not describe the problem arising when the pressure contact region comes into contact with the region that has already been processed.
- Patent Document 1 JP 2005-169530 A
- Patent Document 2 JP 2010-99746 A
- An object of the present invention is to provide a configuration of a vibration stop device that can prevent a problem caused by a pressure contact region of a holding part of the vibration stop device intruding into a recess of a region that has been processed.
- the present invention has the following basic structure:
- the pressure contact region of the holding part of the vibration stop device never introduces into the recess in the processing region, and so, the problem in the rotation of the work due to the intrusion can be prevented.
- the position of the holding parts can be independently adjusted, whereby the precision error of the work can be easily corrected.
- FIG. 1 is a side cross-sectional view of a first embodiment.
- FIG. 2 is a side cross-sectional view of a second embodiment.
- FIG. 3 is a side cross-sectional view of a third embodiment.
- FIG. 4 is a side cross-sectional view of a vibration stop device of an example 1, and also includes a block diagram showing a configuration of an oil pressure supplying device of an example 2.
- FIG. 5 is a side cross-sectional view of a configuration of a vibration stop device of the prior art.
- the present invention has a feature that, regarding the angular range based on a position of an axis of rotation of a columnar work 2 , an angular range formed by both ends of each of a holding part for vibration stop 11 is larger than an angular range of a processing region 21 .
- FIGS. 1 to 3 show typical embodiments.
- FIG. 1 shows the first embodiment having a feature that a holding part has an arc shaped surface on the pressure contact side, and a radius of curvature of the arc is the same as the radius of the work 2 .
- pressure contact can be done mainly at a non-processing region 22 .
- FIG. 2 shows the second embodiment having a feature that the holding part for vibration stop 11 has an arc shaped surface on the pressure contact side, and a radius of curvature of the arc is larger than the radius of the work 2 .
- FIG. 3 shows the third embodiment having a feature that the holding part for vibration stop 11 has a flat surface on the pressure contact side.
- the surface of the holding part for vibration stop 11 on the pressure contact side might come into contact with or come close to a surface of the processing region 21 , as shown in FIGS. 2 and 3 .
- the holding part for vibration stop 11 never intrudes into the recess of the processing region 21 as in the first embodiment. This is because the angular range formed by both ends of each of the holding part for vibration stop 11 is formed to be larger than an angular range of the processing region 21 .
- a pair of the holding parts for vibration stop 11 comes into pressure contact with both sides of the work 2 , and the two sides of the work 2 are rotatably connected to the pair of the holding parts for vibration stop 11 , and a pressure transmission part 12 which is interlocked with a single hydraulic cylinder 31 is provided, such that approaching and separating of the holding parts for vibration stop 11 to and from the work 2 are achieved by changing oil pressure.
- the holding parts for vibration stop 11 are in pressure contact with both sides of the non-processing regions 22 and at least four pressure contact regions are formed.
- the holding part for vibration stop 11 for directly transmitting the oil pressure from the hydraulic cylinder 31 is not required to be provided in addition to the holding parts for vibration stop 11 for sandwiching the work 2 from both sides.
- the holding parts for vibration stop 11 are not necessarily in pressure contact with both sides of the non-processing regions 22 .
- the pressure contact is made on two positions of the processing regions 21 , and so the pressure contact state is achieved at substantially two points.
- the third holding part for vibration stop 11 that directly presses and comes into pressure contact with the work 2 by the pressure from the hydraulic cylinder 31 may be provided.
- the first embodiment does not require the third holding part for vibration stop 11 , and thus can achieve a simpler design and lower cost compared with the second and third embodiment.
- the first embodiment requires the holding parts for vibration stop 11 having radii of curvature respectively corresponding to the various radii of the works 2 , and thus is more cumbersome than the second and third embodiment in this point.
- the example 1 has a feature that the holding parts for vibration stop 11 are each independently interlocked with a hydraulic cylinder 31 , and approaching and separating of the holding parts for vibration stop 11 to and from the work 2 are achieved by changing the oil pressure.
- the conventional technique shown in FIG. 5 and the embodiments shown in FIGS. 1 to 3 require cumbersome control such as an operation of the pressure transmission part 12 , and movement of the third holding part for vibration stop 11 .
- the rotation state can be achieved by immediately releasing, from each of the holding parts for vibration stop 11 , pressure supplied from the hydraulic cylinder 31 , and the precision error can be quickly corrected.
- a number of the holding parts for vibration stop 11 and a number of the hydraulic cylinders 31 shown in the example 1 are each three.
- the example 2 has a feature that a relief valve 34 is provided in juxtaposition with the solenoid valve 33 which supplies the oil pressure to the vibration stop device, in a hydraulic circuit that creates the pressure contact state.
- a hydraulic cylinder 31 a pressure reducing valve 32 for adjusting the pressure, and the solenoid valve 33 for turning ON and OFF transmission of reduced pressure are used as in the conventional technique, and the relief valve 34 in parallel with an oil pressure circuit is further provided.
- the present invention can achieve the vibration stop without the problem of intrusion into the recess of the processing region, and can quickly correct the precision error, and thus is extremely useful.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
- Vibration Prevention Devices (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Clamps And Clips (AREA)
- Actuator (AREA)
Abstract
A vibration stop device that can prevent a problem caused by intrusion of a pressure contact region of a holding part of the vibration stop device into a recess of a processing region of a work includes a plurality of holding parts for the vibration stop which hold an outer circumferential surface of a columnar work in a process stage under a pressure contact state with pressure supplied from a hydraulic cylinder, and a pressure contact position on the outer circumferential surface is changed by rotation of the work, and an angular range formed by opposite ends of each of the holding parts for the vibration stop is larger than an angular range of the processing region regarding an angular range based on a position of an axis of the rotation.
Description
- The present invention is relates to a vibration stop device necessary for stopping vibration of a work in a process stage.
- Accurate processing on a work in a process stage requires the work to be prevented from vibrating.
- The work is divided into a processing region and a non-processing region along a circumferential direction, and in many cases, moves together with a main shaft in a state where a holding part for vibration stop is in pressure contact with an already processed region of the work.
- As shown in
FIG. 5 , in the pressure contact state of the holding part of a prior art, a pressure contact region is too small. Thus, it cannot be avoided to make a partial region of the holding part come into pressure contact. - On the other hands, the pressure contact state causes a problem that the pressure contact region of the holding part intrudes into a region recessed by the processing, in the other words, in a recess, and even if the work is to be rotated along a columnar center axis for the next processing, such rotation is hindered due to the intrusion.
- However, in the prior art, no particular countermeasure has been taken for the problem caused by the pressure contact region of the holding part intruding into the recesses that has been formed by the processing.
- For reference,
Patent Document 1 describes, regarding a camshaft work to be ground, a processing region and vibration stop for the work, nevertheless has no particular description on the relationship between the processing region and the vibration stop. -
Patent Document 2 describes both processing on a work and a vibration stop device, but does not describe the problem arising when the pressure contact region comes into contact with the region that has already been processed. - Patent Document 1: JP 2005-169530 A
- Patent Document 2: JP 2010-99746 A
- An object of the present invention is to provide a configuration of a vibration stop device that can prevent a problem caused by a pressure contact region of a holding part of the vibration stop device intruding into a recess of a region that has been processed.
- To achieve the object, the present invention has the following basic structure:
-
- A vibration stop device, a plurality of holding parts for vibration stop holds an outer circumferential surface of a columnar work in a process stage under a pressure contact state with pressure supplied from a hydraulic cylinder, and pressure contact position on the outer circumferential surface is changed by rotation of the work,
- wherein an angular range formed by both ends of each of the holding parts for vibration stop is larger than an angular range of a processing region regarding an angular range based on a position of an axis of the rotation.
- In the present invention having the basic structure, the pressure contact region of the holding part of the vibration stop device never introduces into the recess in the processing region, and so, the problem in the rotation of the work due to the intrusion can be prevented.
- Moreover, in the examples described later, the position of the holding parts can be independently adjusted, whereby the precision error of the work can be easily corrected.
-
FIG. 1 is a side cross-sectional view of a first embodiment. -
FIG. 2 is a side cross-sectional view of a second embodiment. -
FIG. 3 is a side cross-sectional view of a third embodiment. -
FIG. 4 is a side cross-sectional view of a vibration stop device of an example 1, and also includes a block diagram showing a configuration of an oil pressure supplying device of an example 2. -
FIG. 5 is a side cross-sectional view of a configuration of a vibration stop device of the prior art. - As described in the basic structure, the present invention has a feature that, regarding the angular range based on a position of an axis of rotation of a
columnar work 2, an angular range formed by both ends of each of a holding part forvibration stop 11 is larger than an angular range of aprocessing region 21. - The basic structure can be embodied in a number of ways.
FIGS. 1 to 3 show typical embodiments. -
FIG. 1 shows the first embodiment having a feature that a holding part has an arc shaped surface on the pressure contact side, and a radius of curvature of the arc is the same as the radius of thework 2. - In the first embodiment, pressure contact can be done mainly at a
non-processing region 22. - Of course a holding part for
vibration stop 11 never intrudes into a recess of theprocessing region 21 that has already been processed. -
FIG. 2 shows the second embodiment having a feature that the holding part forvibration stop 11 has an arc shaped surface on the pressure contact side, and a radius of curvature of the arc is larger than the radius of thework 2. -
FIG. 3 shows the third embodiment having a feature that the holding part forvibration stop 11 has a flat surface on the pressure contact side. - In the second and third embodiments, the surface of the holding part for
vibration stop 11 on the pressure contact side might come into contact with or come close to a surface of theprocessing region 21, as shown inFIGS. 2 and 3 . However, also in these embodiments, as shown inFIGS. 2 and 3 , the holding part forvibration stop 11 never intrudes into the recess of theprocessing region 21 as in the first embodiment. This is because the angular range formed by both ends of each of the holding part forvibration stop 11 is formed to be larger than an angular range of theprocessing region 21. - As shown in
FIGS. 1 to 3 , in each of the first, second, and third embodiments, a pair of the holding parts forvibration stop 11 comes into pressure contact with both sides of thework 2, and the two sides of thework 2 are rotatably connected to the pair of the holding parts forvibration stop 11, and apressure transmission part 12 which is interlocked with a singlehydraulic cylinder 31 is provided, such that approaching and separating of the holding parts forvibration stop 11 to and from thework 2 are achieved by changing oil pressure. - In the first embodiment, even when the
entire processing region 21 is formed into the recess as shown inFIG. 1 , the holding parts forvibration stop 11 are in pressure contact with both sides of thenon-processing regions 22 and at least four pressure contact regions are formed. Thus, unlike the conventional technique shown inFIG. 5 , the holding part forvibration stop 11 for directly transmitting the oil pressure from thehydraulic cylinder 31 is not required to be provided in addition to the holding parts forvibration stop 11 for sandwiching thework 2 from both sides. - However, in the second and third embodiments, as shown in
FIGS. 2 and 3 , the holding parts forvibration stop 11 are not necessarily in pressure contact with both sides of thenon-processing regions 22. When the depth of the recess of theprocessing region 21 is very small, the pressure contact is made on two positions of theprocessing regions 21, and so the pressure contact state is achieved at substantially two points. Thus, as shown inFIGS. 2 and 3 , the third holding part forvibration stop 11 that directly presses and comes into pressure contact with thework 2 by the pressure from thehydraulic cylinder 31 may be provided. - The first embodiment does not require the third holding part for
vibration stop 11, and thus can achieve a simpler design and lower cost compared with the second and third embodiment. - However, the first embodiment requires the holding parts for
vibration stop 11 having radii of curvature respectively corresponding to the various radii of theworks 2, and thus is more cumbersome than the second and third embodiment in this point. - Examples are described as follows:
- As shown in
FIG. 4 , the example 1 has a feature that the holding parts forvibration stop 11 are each independently interlocked with ahydraulic cylinder 31, and approaching and separating of the holding parts forvibration stop 11 to and from thework 2 are achieved by changing the oil pressure. - When a precision error occurs in the
work 2, the pressure contact state created by a vibration stop device needs to be immediately released, and theprocessing region 21 where the precision error has occurred needs to be rotated to an operation position on a main shaft side. - In such a case, the conventional technique shown in
FIG. 5 and the embodiments shown inFIGS. 1 to 3 require cumbersome control such as an operation of thepressure transmission part 12, and movement of the third holding part forvibration stop 11. - In the example 1, the rotation state can be achieved by immediately releasing, from each of the holding parts for
vibration stop 11, pressure supplied from thehydraulic cylinder 31, and the precision error can be quickly corrected. - In many cases, a number of the holding parts for
vibration stop 11 and a number of thehydraulic cylinders 31 shown in the example 1 are each three. - As shown in
FIG. 4 , the example 2 has a feature that arelief valve 34 is provided in juxtaposition with thesolenoid valve 33 which supplies the oil pressure to the vibration stop device, in a hydraulic circuit that creates the pressure contact state. - Specifically, a
hydraulic cylinder 31, apressure reducing valve 32 for adjusting the pressure, and thesolenoid valve 33 for turning ON and OFF transmission of reduced pressure are used as in the conventional technique, and therelief valve 34 in parallel with an oil pressure circuit is further provided. - In the example 2 described above, even if the vibrating state of the
work 2 is changed and consequently the amount of pressure required for the pressure contact of the holding part forvibration stop 11 changes by turning ON therelief valve 34, the change in the pressure can be compensated by therelief valve 34 turning on, so that the pressure transmitted to thehydraulic cylinder 31 can be reduced as much as possible. - Thus, the present invention can achieve the vibration stop without the problem of intrusion into the recess of the processing region, and can quickly correct the precision error, and thus is extremely useful.
-
- 1 vibration stop device
- 11 holding part for vibration stop
- 12 pressure transmission part
- 2 work
- 21 processing region
- 22 non-processing region
- 3 oil pressure transmission device
- 31 hydraulic cylinder
- 32 pressure reducing valve
- 33 solenoid valve
- 34 relief valve
- 35 oil pressure supply part
Claims (8)
1. A vibration stop device comprising:
a vibration stop device including a plurality of holding parts for a vibration stop for holding an outer circumferential surface of a columnar work in a process stage under a pressure contact state with pressure supplied from a hydraulic cylinder, and wherein a pressure contact position on the outer circumferential surface is changed by rotation of the work, and
an angular range around the work which is formed by two opposite ends of each of the holding parts for the vibration stop is larger than an angular range of a processing region of the work based on a position of an axis of the rotation.
2. The vibration stop device according to claim 1 , wherein the holding parts for the vibration stop each have an arc shaped surface on a pressure contact side thereof, and a radius of curvature of the arc is the same as a radius of curvature of the work.
3. The vibration stop device according to claim 1 , wherein the holding parts for the vibration stop each have an arc shaped surface on a pressure contact side thereof, and a radius of curvature of the arc is larger than a radius of curvature of the work.
4. The vibration stop device according to claim 1 , wherein the holding parts for the vibration stop each have a flat surface on a pressure contact side thereof.
5. The vibration stop device according to claim 1 ,
wherein a pair of the holding parts for the vibration stop comes into pressure contact with two sides of the work, and the two sides of the work are rotatably connected to the pair of the holding parts for the vibration stop, and
further comprising a pressure transmission part which is interlocked with a single hydraulic cylinder for approaching and separating of the holding parts for the vibration stop to and from the work by changing oil pressure.
6. The vibration stop device according to claim 1 , wherein the holding parts for the vibration stop are each independently interlocked with a hydraulic cylinder for approaching and separating of the holding parts for the vibration stop to and from the work by changing oil pressure.
7. The vibration stop device according to claim 6 , wherein there are three said holding parts for the vibration stop.
8. The vibration stop device according to claim 1 , further comprising a hydraulic circuit for supplying pressure to achieve the pressure contact, the hydraulic circuit including a relief valve in juxtaposition with a solenoid valve for supplying oil pressure to the vibration stop device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US15/088,907 US9902030B2 (en) | 2014-05-19 | 2016-04-01 | Vibration stop device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014-103625 | 2014-05-19 | ||
JP2014103625A JP6193803B2 (en) | 2014-05-19 | 2014-05-19 | Steady rest |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/088,907 Division US9902030B2 (en) | 2014-05-19 | 2016-04-01 | Vibration stop device |
Publications (1)
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US20150328748A1 true US20150328748A1 (en) | 2015-11-19 |
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ID=52394122
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US14/616,236 Abandoned US20150328748A1 (en) | 2014-05-19 | 2015-02-06 | Vibration Stop Device |
US15/088,907 Active 2035-08-31 US9902030B2 (en) | 2014-05-19 | 2016-04-01 | Vibration stop device |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US15/088,907 Active 2035-08-31 US9902030B2 (en) | 2014-05-19 | 2016-04-01 | Vibration stop device |
Country Status (7)
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US (2) | US20150328748A1 (en) |
EP (1) | EP2946873B1 (en) |
JP (1) | JP6193803B2 (en) |
KR (1) | KR101867124B1 (en) |
CN (1) | CN105081863B (en) |
CA (1) | CA2877551C (en) |
ES (1) | ES2779064T3 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US20160214221A1 (en) * | 2014-05-19 | 2016-07-28 | Matsuura Machinery Corporation | Vibration Stop Device |
CN113319624A (en) * | 2021-05-25 | 2021-08-31 | 郭彩 | Tool clamp and clamping method thereof |
CN114147510A (en) * | 2021-11-30 | 2022-03-08 | 盐城奥凯明通阀门有限公司 | Production tool for gate valve |
CN116276270A (en) * | 2023-01-09 | 2023-06-23 | 哈尔滨理工大学 | Composite device for eliminating resonance centrifugal offset phenomenon in friction and abrasion process of disc pin |
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2015
- 2015-01-13 CA CA2877551A patent/CA2877551C/en active Active
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160214221A1 (en) * | 2014-05-19 | 2016-07-28 | Matsuura Machinery Corporation | Vibration Stop Device |
US9902030B2 (en) * | 2014-05-19 | 2018-02-27 | Matsuura Machinery Corporation | Vibration stop device |
CN113319624A (en) * | 2021-05-25 | 2021-08-31 | 郭彩 | Tool clamp and clamping method thereof |
CN114147510A (en) * | 2021-11-30 | 2022-03-08 | 盐城奥凯明通阀门有限公司 | Production tool for gate valve |
CN116276270A (en) * | 2023-01-09 | 2023-06-23 | 哈尔滨理工大学 | Composite device for eliminating resonance centrifugal offset phenomenon in friction and abrasion process of disc pin |
Also Published As
Publication number | Publication date |
---|---|
CN105081863B (en) | 2018-12-11 |
US20160214221A1 (en) | 2016-07-28 |
EP2946873A3 (en) | 2015-12-23 |
JP2015217488A (en) | 2015-12-07 |
US9902030B2 (en) | 2018-02-27 |
JP6193803B2 (en) | 2017-09-06 |
CN105081863A (en) | 2015-11-25 |
KR101867124B1 (en) | 2018-06-12 |
CA2877551C (en) | 2019-05-07 |
KR20150133114A (en) | 2015-11-27 |
EP2946873B1 (en) | 2020-03-11 |
CA2877551A1 (en) | 2015-11-19 |
EP2946873A2 (en) | 2015-11-25 |
ES2779064T3 (en) | 2020-08-13 |
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Legal Events
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AS | Assignment |
Owner name: MATSUURA MACHINERY CORPORATION, JAPAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:AMAYA, KOICHI;IIZUKA, SYUJI;IWAI, KIYOTAKA;REEL/FRAME:034909/0875 Effective date: 20150119 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |