CN104625822B - Flexible supporting device - Google Patents
Flexible supporting device Download PDFInfo
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- CN104625822B CN104625822B CN201510046697.0A CN201510046697A CN104625822B CN 104625822 B CN104625822 B CN 104625822B CN 201510046697 A CN201510046697 A CN 201510046697A CN 104625822 B CN104625822 B CN 104625822B
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- chamber wall
- positioner
- blade
- wedge shape
- wedge
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Classifications
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- 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
- B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work
- B23Q3/154—Stationary devices
- B23Q3/1543—Stationary devices using electromagnets
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of flexible supporting device, cause, for solving existing support means, the technical problem that part processing precision is low owing to positioning precision is low.Technical scheme is to include that left iron core, left magnet exciting coil, left wedge shape guide chamber wall, left support plate, left wedge, right support plate, right wedge, right wedge shape guiding chamber wall, right magnet exciting coil, right iron core and magnetic flow liquid, also includes frame, left just positioner, right just positioner, displacement transducer, support bar and D.C. regulated power supply.Blade is bolted on left and right just positioner, left and right just positioner is bolted on the chamber wall being parallel to magnetic direction, blade immerses in magnetic flow liquid, avoid blade in working angles because the cutter relieving that stiffness by itself produces not deforms, improve the positioning precision of complex thin-wall component, thus improve the rigidity of complex thin-wall component, it is ensured that the high-speed and high-efficiency machining accuracy of complex thin-wall component and crudy.
Description
Technical field
The present invention relates to a kind of support means, particularly relate to a kind of flexible supporting device.
Background technology
In mechanical processing process, traditional fixture is mainly Purely mechanical fixture, and this clamp structure is single, and dismounting is not
Just, automaticity is low, and for having the thin-wall workpiece of complicated shape structure, then owing to workpiece cannot be overcome firm
Property low, the problem such as be easily deformed, it is impossible to ensure to step up location and the dimensional accuracy of rear workpiece, simultaneously for irregularly
The workpiece of geometry, it is impossible to position and step up.
In order to solve these problems, it is to avoid utilize lead, antimony, bismuth, stannum etc. to have the shortcoming low melting points such as environmental contamination and close
Gold, and use magnetorheological fluid materials liquid-solid two-phase conversion characteristic and the phase-change type fixture that designs.In order to make magnetic flow liquid soft
Property fixture obtain enough shear yield stress, can use the mode of applying external compression power to strengthen under the action of a magnetic field
Magnetic flow liquid, refers to [X.Tang, X.Zhang, R.Tao and Yiming Rong.Structure-enhanced yield
stress of magnetorheological fluids.Journal of applied physics,Volume 87,Number 5,
March 1900, pp 2534-2538]: along magnetic direction normal pressure extraneous to magnetic flow liquid applying so that it is shear yielding should
Force rate does not applies to be greatly improved during normal pressure.
With reference to Fig. 1, the magnetic flow liquid flexible fixture test structure that document is used is guided chamber wall 4 and the right side by left wedge shape
Wedge shape guides chamber wall 11 and constitutes magnetic flow liquid container with base 25 by the way of welding, and magnetic flow liquid container is positioned at
In the middle of left iron core 2 and right iron core 13, the most left wedge shape guides chamber wall 4 and right wedge shape guides chamber wall 11 inner band
Having with vertical direction is the guiding surface at 12 ° of angles；Slide on guiding surface is left wedge 6 and right wedge 10；
Left wedge 6 and right wedge 10 are bolted on left support plate 5 and right support plate 9, can be by twisting
Bolt makes left wedge 6 and right wedge 10 slide up and down along guiding surface, is used for changing body in magnetic flow liquid container
Long-pending size；Left support plate 5 and right support plate 9 are fixed on left wedge shape by the way of welding and guide chamber wall 4 and the right side
Wedge shape guides on chamber wall 11；Left iron core 2 with right iron core 13 are provided with left magnet exciting coil 3 He that model is identical
Right magnet exciting coil 12, is perpendicular to left wedge shape by the generation that is energized left magnet exciting coil 3 and right magnet exciting coil 12 and guides appearance
Wall 4 and right wedge shape guide the magnetic field of chamber wall 11；After each parts position fixes, fall in magnetic flow liquid container
Entering magnetic flow liquid 15, place test rectangle block 22 in magnetic flow liquid 15, wherein, test rectangle block 22 lower end is fixed
Strain gauge sensors 24, for measuring magnetic flow liquid 15 different sects performance situation of change under the action of a magnetic field, and
Test rectangle block 22 upper end is disposed with force transducer 23 by bracing wire, for measuring in magnetic field, left wedge 6 and the right side
Wedge 10 acts on the chucking power size that lower magnetic flow liquid produces jointly.
Flexible supporting device described by document can be used for the processing of complex thin-wall blade parts, and can effectively solve
Making is with high costs for the special-purpose assorted fixture of complex thin-wall blade parts processing, the strong point is few, it is yielding to process,
Adjust the shortcomings such as difficulty, but produce cut by magnetic flow liquid in this device being applied magnetic field and external pressurized effect
During shearing stress clamping and positioning workpiece, it is difficult to ensure that workpiece initial alignment precision, cause lathe difficult to cutter, the most not
Can guarantee that in the course of processing, cutter attack effect makes workpiece initial position offset, and increases mismachining tolerance further,
Thus reduce machining accuracy and the crudy of part.
Summary of the invention
In order to overcome existing support means to cause complex thin-wall blade parts machining accuracy low owing to positioning precision is low
Deficiency, the present invention provides a kind of flexible supporting device.This flexible supporting device includes left iron core, left magnet exciting coil, a left side
Wedge shape guide chamber wall, left support plate, left wedge, right support plate, right wedge, right wedge shape guide chamber wall,
Right magnet exciting coil, right iron core and magnetic flow liquid, also include frame, left just positioner, right just positioner, displacement
Sensor, support bar and D.C. regulated power supply.Blade one end is bolted on the just positioner of a left side, according to
Fixing leaf position, slides up and down the accurate fixed bit determining the blade other end first positioner on the right side at dovetail groove
Put, by bolt, the right side just positioner be fixed on the chamber wall being parallel to magnetic direction, the blade portion of blade by
Magnetic flow liquid matching blade shape provides and supports completely, thus effectively prevent blade in working angles because self is firm
The cutter relieving deformation that degree produces not so that blade processing process is more stable；Displacement sensor device is measured blade and is existed
Deflection on projecting direction, it is achieved the on-line monitoring of blade processing deformation, is adjusted by the Monitoring Data obtained in good time
Current value or the size of external compression power, become link changing magnetic flow liquid container volume and magnetic flow liquid magnetic-particle
Structure, changes magnetic flow liquid solidification intensity, it is provided that support force more accurately.The positioning precision of part can be improved, thus
Improve the rigidity of complex thin-wall component, it is ensured that the high-speed and high-efficiency machining accuracy of part and crudy.
The technical solution adopted for the present invention to solve the technical problems is: a kind of flexible supporting device, including left iron core 2,
Left magnet exciting coil 3, left wedge shape guide chamber wall 4, left support plate 5, left wedge 6, right support plate 9, right wedge shape
Block 10, right wedge shape guide chamber wall 11, right magnet exciting coil 12, right iron core 13 and magnetic flow liquid 15, are characterized in also
Steady including frame 1, left just positioner 8, right first positioner 18, displacement transducer 19, support bar 20 and direct current
Voltage source 21.Described left wedge shape guides chamber wall 4 and right wedge shape and guides chamber wall 11 by the way of welding and container
The end 14, constitutes magnetic flow liquid container, and magnetic flow liquid container is positioned in the middle of left iron core 2 and right iron core 13, is arranged on and has
Frame 1 bottom center of U-shape structure, the most left wedge shape guides chamber wall 4 and the inner side of right wedge shape guiding chamber wall 11
With the guiding surface with vertical direction being 20 ° of angles；Left wedge 6 and right wedge 10 are bolted on left
On fagging 5 and right support plate 9, make left wedge 6 and right wedge 10 upper and lower along guiding surface by regulation bolt
Slide, for changing the volume of magnetic flow liquid container；Left support plate 5 and right support plate 9 are fixed by the way of welding
Chamber wall 4 and right wedge shape guiding chamber wall 11 is guided in left wedge shape；Left iron core 2 and right iron core 13 are provided with type
Number identical left magnet exciting coil 3 and right magnet exciting coil 12, by D.C. regulated power supply 21 to left magnet exciting coil 3 and the right side
Magnet exciting coil 12 is energized, and produces and is perpendicular to left wedge shape guiding chamber wall 4 and the magnetic field of right wedge shape guiding chamber wall 11.
The described left side mode that just positioner 8 is with bolts is fixed on the chamber wall 16 being parallel to magnetic direction, at the beginning of the right side
Positioner 18 is slided up and down by dovetail groove 17, passes through bolt and be parallel to magnetic after determining accurate mounting plane
The chamber wall 16 of field direction is fixed together.Left just positioner 8 and the U-shape structure upper end of the right side just positioner 18
All there is a bolt for clamping and releasing blade 7.When installing blade 7, one end of blade 7 is bolted on
On left just positioner 8, the other end of blade 7 is by adjusting the right just positioner 18 position on dovetail groove 17
After determining blade 7 best position, by bolt the right side just positioner 18 is fixed on and is parallel to magnetic direction
On chamber wall 16；Support bar 20 is arranged on container bottom 14 central authorities, and support bar 20 top is provided with displacement transducer 19,
Displacement transducer 19 contacts with blade 7, injects magnetic flow liquid 15 in magnetic flow liquid container, and D.C. regulated power supply 21 is right
Left magnet exciting coil 3 and right magnet exciting coil 12 are powered.
The invention has the beneficial effects as follows: flexible supporting device of the present invention includes that left iron core, left magnet exciting coil, left wedge shape are led
Chamber wall, right excitation is guided to chamber wall, left support plate, left wedge, right support plate, right wedge, right wedge shape
Coil, right iron core and magnetic flow liquid, also include frame, left just positioner, right just positioner, displacement transducer,
Support bar and D.C. regulated power supply.Blade one end is bolted on the just positioner of a left side, according to fixing leaf
Sheet position, slides up and down the fixed position determining the blade other end first positioner on the right side, passes through bolt at dovetail groove
Being fixed on the chamber wall being parallel to magnetic direction by the right side just positioner, the blade portion of blade is by magnetic flow liquid matching
Blade shape provides and supports completely, thus effectively prevent blade in working angles because stiffness by itself produces not
Cutter relieving deformation so that blade processing process is more stable；Displacement sensor device measures blade on projecting direction
Deflection, it is achieved the on-line monitoring of blade processing deformation, adjusts current value or outer by the Monitoring Data obtained in good time
The size of portion's extruding force, becomes chain structure changing magnetic flow liquid container volume, changes magnetic current with magnetic flow liquid magnetic-particle
Become liquid solidification intensity, it is provided that support force more accurately.Improve the positioning precision of part, thus improve complex thin-wall
The rigidity of blade parts, it is ensured that the high-speed and high-efficiency machining accuracy of part and crudy.
With detailed description of the invention, the present invention is elaborated below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is apparatus structure schematic diagram described in document；
Fig. 2 is apparatus of the present invention structural front view；
Fig. 3 is structure cross-sectional schematic at the A-A of Fig. 2 of the present invention；
Fig. 4 is that magnet exciting coil of the present invention is for electrical schematic.
In figure: 1-frame, 2-left iron core, the left magnet exciting coil of 3-, the left wedge shape of 4-guides chamber wall, 5-left support plate, 6-
Left wedge, 7-blade, a 8-left side just positioner, 9-right support plate, the right wedge of 10-, the right wedge shape of 11-guides container
Wall, the right magnet exciting coil of 12-, the right iron core of 13-, 14-container bottom, 15-magnetic flow liquid, 16-is parallel to the appearance of magnetic direction
Wall, 17-dovetail groove, the 18-right side just positioner, 19-displacement transducer, 20-support bar, 21-D.C. regulated power supply,
22-test rectangle block, 23-force transducer, 24-strain gauge sensors, 25-base.
Detailed description of the invention
Following example are with reference to Fig. 2～4.
Flexible supporting device of the present invention includes that left iron core 2, left magnet exciting coil 3, left wedge shape guide chamber wall 4, left support
Plate 5, left wedge 6, right support plate 9, right wedge 10, right wedge shape guide chamber wall 11, right magnet exciting coil 12,
Right iron core 13 and magnetic flow liquid 15, also include that frame 1, left just positioner 8, right just positioner 18, displacement pass
Sensor 19, support bar 20 and D.C. regulated power supply 21.
Frame 1 is U-shape structure, uses No. 45 steels to make, a size of 500 × 200 × 250mm；Left wedge shape guides to be held
Wall 4 and right wedge shape guide chamber wall 11 and use No. 45 Steel materials to make, and left wedge shape guides chamber wall 4 and right wedge shape
The inner side of guiding chamber wall 11 and vertical direction are the guiding surface at 20 ° of angles, and container bottom 14 He that thickness is 70mm
The chamber wall 16 being parallel to magnetic direction uses aluminum alloy materials to make, and left wedge shape guides chamber wall 4, right wedge shape guides
Chamber wall 11, container bottom 14 and be parallel to the chamber wall 16 of magnetic direction and link together by the way of welding composition
Magnetic flow liquid container, inner chamber upper end length, width and height a size of 86 × 160 × 110mm of magnetic flow liquid container, wherein, magnetic current
Become liquid container to be positioned in the middle of left iron core 2 and right iron core 13, be placed in and there is frame 1 bottom center of U-shape structure, use
Bolt is fixed；Left wedge 6 and right wedge 10 material are No. 45 steel, and being bolted on material is aluminium alloy
Left support plate 5 and right support plate 9 on, can by twisting bolt make left wedge 6 and right wedge 10 along leading
Slide up and down on inclined-plane, for changing the size of magnetic flow liquid vessel interior volume；Left support plate 5 and right support plate 9
By the way of welding, it is fixed on left wedge shape guide on chamber wall 4 and right wedge shape guiding chamber wall 11.Left iron core 2 and the right side
Iron core 13 is a size ofLong 150mm, material is No. 45 steel, uses and is bolted to inside frame 1；
Being provided with the identical left magnet exciting coil 3 of model and right magnet exciting coil 12 on left iron core 2 with right iron core 13, coil is adopted
With the copper wire of line footpath 0.56mm, the number of turn is 2000 circles, by D.C. regulated power supply 21 to left magnet exciting coil 3 and the right side
Magnet exciting coil 12 energising produces and is perpendicular to left wedge shape guiding chamber wall 4 and the magnetic field of right wedge shape guiding chamber wall 11.
Left just positioner 8 and the right side just positioner 18 of workpiece use No. 45 steel to make, wherein left just positioner
8 modes with bolts are arranged on the chamber wall 16 being parallel to magnetic direction；And the right side just positioner 18 leads to
Cross dovetail groove 17 can slide up and down, after determining the accurate mounting plane of blade 7, pass through bolt and be parallel to magnetic field side
To chamber wall 16 be fixed together.The U-shape structure upper end of left just positioner 8 and the right side just positioner 18 all has
One bolt can move up and down for clamping and releasing blade 7.When installing blade 7, its one end is by left just location
On device 8, terminal bolt is pressed on the rafter plate of blade 7, and the other end is by adjusting right just positioner 18 at dovetail groove 17
On position determine the best position of blade 7 bottom surface geomery, by bolt by the right side just positioner 18
It is fixed on the chamber wall 16 being parallel to magnetic direction, rotates left just positioner 8 and just positioner 18 upper end, the right side
The false boss of bolt presses blade 7, plays the accurate initial position determining blade 7；A diameter ofMaterial
Support bar 20 for aluminium alloy is arranged on container bottom 14 central authorities, and wherein support bar 20 top is provided with displacement transducer
19, it contacts with blade 7, for measuring clamping process and course of processing Leaf due to clamping force and the work of cutting force
With being subjected to displacement；After each parts fix relative to position, pouring mass fraction in magnetic flow liquid container into is 70%
Magnetic flow liquid 15, is perpendicular to by D.C. regulated power supply 21 generation that is energized left magnet exciting coil 3 and right magnet exciting coil 12
Left wedge shape guides chamber wall 4 and the magnetic field of right wedge shape guiding chamber wall 11 so that magnetic flow liquid 15 solidifies, and generation is cut
Shearing stress.
Record blade 7 by displacement transducer 19 in clamping and magnetic flow liquid solidification process, produce amount of displacement adjustment
Current parameters, controls magnetic flow liquid state of cure, it is ensured that the initial alignment precision of blade 7.Magnetic flow liquid 15 is not adding
Matching blade 7 shape freely under magnetic field conditions, when D.C. regulated power supply 21 is to left magnet exciting coil 3 and right magnet exciting coil
12 energisings produce behind magnetic fields, in container magnetic flow liquid 15 rapidly from Newtonian fluid state to Stuart Bingham class solid state,
The liquid of matching part also forms class solid state, the target play and support part, improving the rigidity of part.Consider
Magnetic flow liquid 15 only produces support force under the action of a magnetic field and can not meet blade 7 and process needs, therefore uses bolt to rotate and push away
The dynamic left wedge 6 being perpendicular to magnetic direction and right wedge 10 move down, and reduce vessel interior volume and to magnetorheological
Liquid 15 produces extruding, and the magnetic flow liquid 15 after solidifying in promoting container forms stronger magnetic-particle chain structure,
Improve the shear strength of magnetic flow liquid further, blade 7 produced bigger support force, plays more preferable supporting role,
It is effectively improved the rigidity of thin wall vane 7 to be processed, thus is effectively improved machining accuracy and crudy.
At the end of to be processed, magnetic field is removed left magnet exciting coil 3 and right magnet exciting coil 12 power-off, the most magnetorheological
Liquid material returns to fluid state, loses shear ability, thus can be easily removed blade 7.
The superiority of this flexible support fixture is mainly reflected in following aspect: as thin in changed the complexity of processing different model
Wall blade parts, only need to change the size of magnetic flow liquid container, increases coil turn and ensures magnetic field intensity, and
Need not change whole chucking appliance system.For example with the big molten bath of length, width and height a size of 100 × 200 × 200mm, need
Change the number of turn and be about the coil of 5000 circles.
Claims (1)
1. a flexible supporting device, including left iron core (2), left magnet exciting coil (3), left wedge shape guide chamber wall (4),
Left support plate (5), left wedge (6), right support plate (9), right wedge (10), right wedge shape guiding chamber wall (11),
Right magnet exciting coil (12), right iron core (13) and magnetic flow liquid (15), it is characterised in that: also include frame (1),
Left just positioner (8), right first positioner (18), displacement transducer (19), support bar (20) and direct current are steady
Voltage source (21)；Described left wedge shape guides chamber wall (4) and right wedge shape guides the chamber wall (11) side by welding
Formula constitutes magnetic flow liquid container with container bottom (14), and magnetic flow liquid container is positioned at left iron core (2) and right iron core (13)
Centre, is arranged on frame (1) bottom center with U-shape structure, and the most left wedge shape guides chamber wall (4) and the right side
Wedge shape guides the inner side of chamber wall (11) with the guiding surface with vertical direction being 20 ° of angles；Left wedge (6) and
Right wedge (10) is bolted on left support plate (5) and right support plate (9), is made by regulation bolt
Obtain left wedge (6) and right wedge (10) slides up and down along guiding surface, for changing the appearance of magnetic flow liquid container
Long-pending；Left support plate (5) and right support plate (9) be fixed on by the way of welding left wedge shape guide chamber wall (4) and
Right wedge shape guides chamber wall (11)；Left iron core (2) with right iron core (13) are provided with the left excitation that model is identical
Coil (3) and right magnet exciting coil (12), by D.C. regulated power supply (21) to left magnet exciting coil (3) and right excitation
Coil (12) is energized, and produces and is perpendicular to left wedge shape guiding chamber wall (4) and the magnetic of right wedge shape guiding chamber wall (11)
?；The described left side mode that just positioner (8) is with bolts is fixed on the chamber wall (16) being parallel to magnetic direction
On, right just positioner (18) is slided up and down by dovetail groove (17), passes through after determining accurate mounting plane
Bolt and the chamber wall (16) being parallel to magnetic direction are fixed together；Dress is positioned at the beginning of left just positioner (8) and the right side
All there is a bolt U-shape structure upper end putting (18) for clamping and releasing blade (7)；When blade (7) are installed,
One end of blade (7) is bolted on the just positioner (8) of a left side, and the other end of blade (7) is by adjusting
After the right first positioner (18) position on dovetail groove (17) determines blade (7) best position, pass through
The right side just positioner (18) is fixed on the chamber wall (16) being parallel to magnetic direction by bolt；Support bar (20)
Being arranged on container bottom (14) central authorities, support bar (20) top is provided with displacement transducer (19), displacement transducer (19)
Contacting with blade (7), inject magnetic flow liquid (15) in magnetic flow liquid container, a left side is encouraged by D.C. regulated power supply (21)
Magnetic coil (3) and right magnet exciting coil (12) power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046697.0A CN104625822B (en) | 2015-01-30 | 2015-01-30 | Flexible supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046697.0A CN104625822B (en) | 2015-01-30 | 2015-01-30 | Flexible supporting device |
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| Publication Number | Publication Date |
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| CN104625822A CN104625822A (en) | 2015-05-20 |
| CN104625822B true CN104625822B (en) | 2016-10-26 |
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| CN201510046697.0A Active CN104625822B (en) | 2015-01-30 | 2015-01-30 | Flexible supporting device |
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| CN (1) | CN104625822B (en) |
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|---|---|---|---|---|
| RU173460U1 (en) * | 2016-07-22 | 2017-08-29 | Общество с ограниченной ответственностью "Нанотехнологический центр композитов" (ООО "НЦК") | BODY FOR FIXING PARTS WITH A CAVITY |
| CN106393250B (en) * | 2016-09-08 | 2018-01-09 | 沈阳航空航天大学 | A kind of large thin-wall class component processing auxiliary support apparatus and application method |
| CN106514369B (en) * | 2016-10-31 | 2018-10-26 | 山东大学 | A kind of flexible fixture for complex-curved class thin-wall part milling |
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| CN108620911B (en) * | 2018-05-02 | 2020-04-28 | 大连理工大学 | Magnetorheological fluid follow-up supporting method |
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| CN110722386B (en) * | 2019-10-24 | 2020-09-29 | 大连理工大学 | Magnetorheological fluid flexible clamping device and method for blade parts |
| RU203817U1 (en) * | 2020-11-12 | 2021-04-21 | Федеральное государственное автономное образовательное учреждение высшего образования «Дальневосточный федеральный университет» (ДВФУ) | Equipment for locating and fixing the part during processing |
| CN112828633B (en) * | 2020-12-31 | 2022-06-21 | 上海理工大学 | Magnetorheological flexible clamp for thin-walled part with any appearance |
| CN113001208B (en) * | 2021-04-23 | 2022-06-21 | 哈尔滨汽轮机厂有限责任公司 | Auxiliary positioning device for machining assembling port of turbine rotor balancing groove and using method |
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| CN1490127A (en) * | 2002-10-18 | 2004-04-21 | 中国科学技术大学 | Flexible magnet rheological tongs |
| CN200970636Y (en) * | 2006-11-23 | 2007-11-07 | 浙江大学 | Integrated magnetic rheological liquid self control vibration intelligent boring bar system of coil boaring bar |
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| Publication number | Publication date |
|---|---|
| CN104625822A (en) | 2015-05-20 |
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