CN108942450A - The fine grinding temperature measuring device of space flight inertia member diplopore feature - Google Patents
The fine grinding temperature measuring device of space flight inertia member diplopore feature Download PDFInfo
- Publication number
- CN108942450A CN108942450A CN201810825296.9A CN201810825296A CN108942450A CN 108942450 A CN108942450 A CN 108942450A CN 201810825296 A CN201810825296 A CN 201810825296A CN 108942450 A CN108942450 A CN 108942450A
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- temperature
- supporting piece
- sickle
- thermocouple
- axis supporting
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Classifications
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- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
- B24B5/48—Single-purpose machines or devices for grinding walls of very fine holes, e.g. in drawing-dies
-
- 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The present invention relates to a kind of fine grinding temperature measuring devices of space flight inertia member diplopore feature, it is made of temperature sensor and auxiliary device, auxiliary device includes clamping component, XYZ displacement component, grating and its fastener components, temperature sensor is mounted on XYZ displacement component by clamping component, and temperature sensor is located at XYZ displacement component side, grating and its fixing piece part are placed in the XYZ displacement component other side.Temperature sensor uses the thermocouple carrier of cylindrical shape, and is inserted into bipolar thermocouple wherein, in process thermocouple and workpiece surface joint, can effectively measuring workpiece surface temperature, the temperature in process is monitored in real time.Avoid the damage to workpiece weakness.The interference that workpiece own form feature measures temperature can be reduced to minimum.For the machining needs of current high-accuracy high-efficiency rate, the temperature measurement technology that the present invention is studied has great significance to the processing quality for guaranteeing space flight inertia member.
Description
Technical field
The present invention relates to a kind of grinding temperature measuring device, the fine grindings of the diplopore of especially a kind of pair space flight inertia member
The device that generated grinding temperature is accurately measured in process.
Background technique
The key feature that space flight inertia member grinding diplopore is formed is that processing design of part is complicated, and size is small, and energy
Amount is dissipated in grinding area and generates plastic deformation, and in fine Grinding Process, energy is converted into heat accumulation in Grinding Contact area
Domain rises the temperature of grinding wheel or workpiece with very high temperature rate, and according to the property of material, excessively high temperature can cause work
A series of harm such as the thermal damage on part surface make it generate plastic deformation, influence element precision.So grinding temperature is control mill
One of most important factor of surface quality of workpieces after cutting process, grinding temperature greatly affected machined part warp
The physical and chemical state on the surface layer after grinding and the accuracy error of size shape.So needing handle in Grinding Process
Grinding temperature rise is limited to a certain tolerance band to guarantee the quality of control grinding product.Therefore, it is highly desirable to survey by temperature
Examination avoids grinding heat to the damage of piece surface, selects reasonable temperature test scheme, designs corresponding test macro, realizes
The heated situation of moment detection part in process, by designing reasonable testing scheme, test and other auxiliary bodies etc.
To improve the reliability and stability and accuracy of grinding process control.
Space flight inertia member such as Fig. 9 used by this research shown in 10, carries out two apertures in the groove of part circumferential direction subtle
Grinding, because two small pitchs of holes are too small, therefore two aperture middle sections are vulnerable to heat in grinding area generation modeling in process
Property deformation, energy is converted into heat accumulation in Grinding Contact region, makes the temperature of grinding wheel or workpiece on very high temperature rate
It rises, influences processing quality, so that part rejection, therefore need to measure vulnerable area temperature between aperture, establish accurate measurement grinding
The model of necessary condition needed for temperature in the process, avoid in process temperature reach warning value, to the guarantor of processing quality
Card has very important meaning.
The shape and structure for the space flight inertia member that the present invention is studied is very accurate, and the small pitch of holes of to be processed two is very close,
Structure is very fragile.Therefore common temperature test conceptual design is unable to satisfy thermometric requirement, i.e., it is thin accurately to measure aperture
Grinding temperature at wall.Therefore need to exclusively carry out temperature test conceptual design for the problem that small hole characteristic, it need to mainly solve:
1) accurate temp measuring method is selected, the maximum temperature of grinding arc area can be measured precisely, in real time, effectively avoid thermal damage;
2) reasonable temperature transducer and its clamping and positioning device are designed, interference is minimized;
3) temperature sensor is precisely placed, thermometric requirement is reached.
Temperature determines that the measurement of grinding temperature is always to be ground part matter to the key property of the fine grinding of part
The research emphasis of amount control and process principle, educational circles have carried out a large amount of in-depth studies to this.At present for the survey of grinding temperature
Amount method is mainly to carry out in terms of two, and one is directly to measure, and another kind is to measure indirectly, is to be added by analysis grinding
The composition transfer for the piece surface that work is crossed derives the temperature change in Grinding Process, and this method is because by processing material
Material, process time etc., multifactor interference was so be difficult the case where being accurately inferred to temperature change in grinding process.Therefore it is of the invention
The detection of temperature is carried out using method measured directly, i.e., grinding temperature is measured using thermocouple.Cutting is beaten on part
The silk material of thermocouple or foil are sandwiched or are embedded in slot or hole by hole, in grinding process, the thermoelectrical potential of thermocouple output
Temperature signal can be converted to by the technical treatments such as being amplified, acquired.
Summary of the invention
The present invention is to provide for a kind of fine grinding temperature measuring device of space flight inertia member diplopore feature, using cylinder type
Temperature measuring sensor agreed in hole to be processed in Grinding Process, formed completely do not have shape
The intergrant of mutation can measure the temperature of part weakness, enormously simplify temperature test scheme and improve temperature
The precision of measurement avoids the damage to workpiece weakness, can drop workpiece own form feature to the interference that temperature measures
As low as minimum.
To achieve the above object, the technical scheme is that a kind of fine grinding temperature of space flight inertia member diplopore feature
Measuring device is made of temperature sensor and auxiliary device, auxiliary device include clamping component, XYZ displacement component, grating and its
Fastener components, the temperature sensor are mounted on XYZ displacement component by clamping component, and temperature sensor is located at XYZ
Grating and its fixing piece part are placed in displacement component side, the XYZ displacement component other side, and three grating scales difference in grating
It is placed on the direction of tri- axis of XYZ and measures displacement;The temperature sensor includes bipolar thermocouple and cylindrical metal rod, gold
Belong to stick to be bonded by symmetrical two parts, bipolar thermocouple is fixed on the outer circumference surface of metal bar by epoxy resin
In aperture, so that thermocouple wire forms measurement point in metal bar outer circumference surface;The sickle curved bar of the clamping component passes through song
Bar locating element is inserted into the bottom plate of clamping component, sickle curved bar one end connecting screw and nut, and the other end connects temperature and passes
Sensor;Cylinder in the Z-direction of the XYZ displacement component is connected by the bottom plate of piston rod and clamping component, is clamped for driving
Component and temperature sensor move up and down, and the cylinder in the Z-direction is mounted in X axis supporting piece, and it is upward that X axis supporting piece connects X
Cylinder, be placed in Y-axis supporting piece, X axis supporting piece and Y-axis supporting piece form guide rail and be cooperatively connected, and are driven by X upward cylinder
X axis supporting piece is in Y-axis supporting piece along X-motion;Two cylinders in the Y-axis supporting piece connection Y-direction, by Y-direction
Two cylinder driving Y-axis supporting pieces are on guide rail along Y-motion.
Further, the small sircle hole of cloth .mm × .mm is uniformly bored in two semi-circular portions of the metal bar.
Further, after the bipolar thermocouple is placed in metal bar aperture, thermocouple wire passes through the hollow interior of metal bar
Center of circle export is connected on data acquisition card.
Further, the clamping part is made of fixed baffle, sickle-shaped curved bar, washer, screw rod and nut;Fixed baffle
It is fixed on bottom plate by pin;Two side baffles of fixed baffle are rectangular, and the sickle-shaped curved bar front end is provided with a slot, institute
State washer, nut is spun on screw rod one end, the screw rod is through in the sliding groove of fixed baffle;The curved bar locating element insertion
It into bottom plate, rotate around it sickle curved bar can;The sickle curved bar by connector connection screw thread bar, and connector with
It is fixedly connected between sickle curved bar and threaded rod by hexagon thin nut, socket cap hexagon socket head cap screw.
Compared with prior art, the beneficial effects of the present invention are:
For the design feature of space flight inertia member, the temperature measuring sensor of cylinder type is innovatively designed, is added in grinding
During work, agreed in hole to be processed, forms the complete intergrant without shape mutation, zero can be measured
The temperature of part weakness enormously simplifies temperature test scheme and improves the precision of temperature measurement, avoids thin to workpiece
The interference that workpiece own form feature measures temperature can be reduced to minimum by the damage at weak place.It can be based on suitable temperature
Calculation method is spent, determines the verification method of experiment thermometric, early warning is generated to excessive grinding heat, can effectively ensure that processing quality.
On the fixture scheme of temperature testing device, using the movement of Electromechanical Control XYZ axis direction, and devise three axis
The design scheme combined to the part in direction significantly reduces motion parts while guaranteeing that motor function is realized
The space of device, and grating scale displacement sensor movement position is used, and location coordinate information is programmed, it ensure that fortune
Efficiency of movement and position precision.On the clipping variation of temperature sensor, mode that is pneumatic and combining manually is taken, in movement
The higher pneumatic mode of accuracy is taken, is clamped by way of hand power screw nut or loosens curved bar and realized to temperature sensor
Handling, device is simple, easy to operate high-efficient and can effectively ensure that precision.
Detailed description of the invention
Fig. 1 is the fine grinding temperature measuring device structure general assembly drawing of space flight inertia member of the invention;
Fig. 2 is the top view of the present apparatus;
Fig. 3 is the left view of the present apparatus;
Fig. 4 is the partial enlarged view at I in Fig. 1;
Fig. 5 is the partial enlarged view at III in Fig. 3;
Fig. 6 is the partial enlarged view at II in Fig. 2;
Fig. 7 is arrangement of temperature sensor cross-sectional view;
Fig. 8 is portion's view in Fig. 7 along A-A;
The processing part drawing that Fig. 9 is studied for the present invention;
Figure 10 is the left view of Fig. 9;
Figure 11 is the structural schematic diagram that sickle-shaped curved bar clamps temperature sensor.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the working principle of the invention is described in detail.
As shown in Figures 1 to 6, a kind of fine grinding temperature measuring device of space flight inertia member diplopore feature, by temperature sensing
Device 100 and auxiliary device composition, auxiliary device includes clamping component 200, XYZ displacement component 300, grating and its fastener components
400。
Temperature sensor 100 is mounted on XYZ displacement component 300 by clamping component 200, and temperature sensor 100
In 300 side of XYZ displacement component, grating and its fixing piece part 400 are placed in 300 other side of XYZ displacement component, and in grating
Three grating scales 3, which are placed in respectively on the direction of tri- axis of XYZ, measures displacement.Such as Fig. 7, shown in 8, temperature sensor 100 includes
Bipolar thermocouple 17 and cylindrical metal rod 18, metal bar 18 are bonded by symmetrical two parts, and bipolar thermocouple 17 is logical
It crosses in the aperture that epoxy resin is fixed on the outer circumference surface of metal bar 18, so that thermocouple wire is formed in metal bar outer circumference surface
Measurement.
Clamping part 200 is made of fixed baffle 23, sickle-shaped curved bar 29, washer 22, screw rod 20 and nut 21;Fixed gear
Plate 23 is fixed on bottom plate 19 by pin;Two side baffles of fixed baffle 23 are rectangular, and sickle-shaped 29 front end of curved bar is equal
It is provided with a slot, the washer 22, nut 21 are spun on 20 one end of screw rod, and screw rod 20 is through in the sliding groove of fixed baffle 23;It is bent
Bar locating element 30 is inserted into bottom plate 19, rotate around it sickle curved bar 29 can;The sickle curved bar 29 passes through connection
27 connection screw thread bar 20 of part, and pass through hexagon thin nut 28, cylinder between connector 27 and sickle curved bar 29 and threaded rod 20
Head hexagon socket head cap screw 26 is fixedly connected.Sickle-shaped curved bar 29 in clamping part 200 clamps temperature sensor 100, such as Figure 11 institute
Show.
The sickle curved bar 29 of clamping component 200 is inserted in bottom plate 19 by curved bar locating element 30, sickle curved bar
29 one end connecting screws 20 and nut 28, the other end connect temperature sensor 100, pass through hand Screw nut in measurement process
28 make sickle curved bar 29 clamp temperature sensor 100;Cylinder 4 in the Z-direction of the XYZ displacement component 300 passes through piston
Bar 25 and pin 24 are connect with the bottom plate 19 of clamping component 200, are moved down on clamping component 200 and temperature sensor 100 for driving
Dynamic, the cylinder 4 in the Z-direction is mounted in X axis supporting piece 12, and X axis supporting piece 12 connects the upward cylinder 4 of X, is placed in Y-axis
To supporting piece 14, X axis supporting piece 12 and Y-axis supporting piece 14 form guide rail and are cooperatively connected, and drive X axis supporting piece by X upward cylinder 4
12 in Y-axis supporting piece 14 along X-motion;The Y-axis supporting piece 14 connects two cylinders 4 in Y-direction, and two in Y-direction
The piston rod 32 of cylinder 4 is fixedly connected by pin 33 with Y-axis supporting piece 14, drives Y-axis supporting piece by two cylinders 4 in Y-direction
14 on guide rail along Y-motion.
It uses cylinder 4 as power source in three axial directions, passes through cylinder firmware 9 and guide rail bottom between two cylinders 4 of Y-direction
Plate 1 fixes position, and two cylinders 4 of Y-direction control the part in Y-axis by pushing piston rod 32.In Y-direction, Y-axis supporting piece
14 form guide rail cooperation with X axis supporting piece 12, move on XY axis with the Z axis in Y-axis supporting piece 14 to part.In Z-direction,
Cylinder 4 in Z-direction is connect by piston rod 25 and pin 24 with the bottom plate 19 of clamping component, and the sky of temperature sensor 100 is controlled
Between position.
Two parts are divided into the design of the temperature testing device of space flight inertia member, one be temperature sensor design,
According to workpiece shapes, carrier of the cylinder type of an internal filling thermocouple wire as temperature test is taken.In process
In be filled with into, avoid temperature caused by due to workpiece shapes measurement inconvenience.It in addition is then clamping temperature sensor
Slave part, be broadly divided into grating rule displacement sensor part, cylinder moving part, connecting rod thrust clamping part.Take hand
It moving and pneumatically combines, computer programming and mechanical original part move the design scheme combined, and it is easy to operate high-efficient, meet height
The requirement of precision machine processing.
For machining feature and feature, the metal cylinder filled into unprocessed circular hole and include thermocouple is taken, it will
Bipolar K-type thermocouple is placed in workpiece, passes through the thermoelectricity dual method of thermocouple amount grinding area temperature in grinding process.This research
Scheme uses cylinder type sensor, and advantage is axially to be bumped into several thermocouple wires in direction.
Cylinder type sensor, such as Fig. 7 are taken, shown in 8, thermocouple can be agreed with into cylindrical hole, be avoided to work
The damage of part weakness.The interference that workpiece own form feature measures temperature can be reduced to minimum, it can be according to experiment
Measured data set up temperature model, make reasonable prediction to the grinding temperature of workpiece, protect the processing quality of workpiece.
Since temperature sensor is put together by two parts of cylindrical body, therefore clamping device is needed in Grinding Process
Temperature sensor is clamped, and this temperature sensor accurately can be put into measured position.Not due to each workpiece actual size
Together, so needing to adjust the position of temperature measuring sensor according to the different situations of each part, this requires devices can be in x
Tri- axis direction of y z is mobile, and can be precisely controlled its position coordinates.And it being capable of stabilization clamp during grinding
Handle temperature measuring sensor.
Temperature testing device in present design is broadly divided into four parts, respectively clamping part, XYZ displaced portion,
Grating and its fixing piece part, signal acquisition part.The movement that can be realized the direction XYZ accurately puts temperature measuring sensor
The stabilization for entering into tested hole and being maintained at temperature measuring sensor in process reaches in accurate measurement grinding process
The purpose of temperature.
1 clamping part:
Clamping part uses connecting rod thrust clamping device, is equipped with fixed baffle, crank connecting link, washer, screw rod and nut;Fixed gear
Plate is the fixing piece being fixed on bottom plate.Two side baffles of fixed baffle are rectangular, connected between each rod piece by connector.Curved bar
In sickle-shaped, curved bar front end is provided with a slot.Curved bar fixed link low side is fixed on bottom plate;Washer, nut are spun on screw rod one
End, screw rod are through in the sliding groove of fixed baffle;It is when use that temperature measuring sensor is first among two sickle-shaped curved bars,
It manually controls turn nut and rotates an angle, connect the surface of the washer to connect together with curved bar and temperature measuring sensor slowly
Touching is controlled the opening and closing of angle between curved bar by adjusting nut, is fixed screw rod and curved bar with nut, and temperature survey can be completed
Try the clamping work of sensor.Present apparatus structure is simple, easy to use.Its principle be when rotating nuts make push threaded rod to
Preceding movement, angle becomes larger between connecting rod, and front end is opened at this time.With should threaded nut threaded rod is moved backward when, two
Angle between connecting rod becomes smaller, and front end clamps, and the clamping to temperature measuring sensor can be completed.
2XYZ axis direction motion control portion:
Use cylinder as power source in XYZ axis direction, the movement of Y-direction controls a part by two cylinders, carries thereon
Control X and Z-direction cylinder and sliding part, intersect to form entity.The cylinder load-bearing part of Y-direction is matched with guide rail formation
It closes.In Z-direction, qigong control moves up and down, and controls its direction of motion using guide rail, it is ensured that exactly in z-direction
Ground movement, cylinder piston are connect using connector with part and are fastened with key.
Grid measuring system is made of grating scale, grating digital readout and firmware.The collected displacement signal warp of grating scale
Photodiode can be converted into string wave signal, then be converted into the side that single-chip microcontroller can identify by sub-circuit and shaping circuit
Wave signal is finally delivered to grating digital readout to show measurement result.Grating rule displacement sensor grating scale sensor uses base
Grace scholar's safe grating GL-S20SH-R model.It is with detection accuracy height, the fast feature of reaction speed.Since it can be used as examining
Surveying straight-line displacement or angular displacement, therefore the grating scale in the closed loop servo system of numerically-controlled machine tool is widely used.
For the machining feature and feature of the fine grinding work of space flight inertia member, take to fill including into unprocessed circular hole
Bipolar K-type thermocouple is placed in workpiece by the metal cylinder of thermocouple by the way of punching, and the size in hole is about 0.8mm
×0.4mm.Thermocouple plate is put into the hole that part processes, and be fixed with epoxy resin.Axially direction is bumped into
It is several with thermocouple wire.This thermocouple assembly method is relatively simple, and size is smaller, and can effectively reflect grinding layer surface
Temperature, repeatability is preferable, measuring accuracy and high reliablity.The temperature for measuring grinding area by thermocouple in process becomes
Change.
Because fragile part is in irregular shape between two aperture of workpiece, size is small, mutability of being heated.So in order to measure
The temperature of the part, and corresponding temperature model is set up, temperature change is monitored in real time, to prevent due to temperature is more than limit range
Caused workpiece thermal deformation.It needs to be placed in aperture with hole shape to the temperature measuring sensor agreed with, keeps it embedded
The thermoelectrical potential that generates of thermocouple wire the technical treatments such as amplified, acquired and be converted to temperature signal, and then experimental data can be passed through
Temperature model is set up, the temperature change around workpiece small hole is reliably predicted.
In processing, to be embedded in temperature measuring sensor accurately in aperture to be measured, need temperature test auxiliary device will
It is accurately put into specified coordinate position, and concrete operations are as follows: clamping temperature measuring sensor by manual turn nut, utilizes
Electromechanical Control adjusts the spatial position of auxiliary device, and the reality of temperature measuring sensor is measured by grating rule displacement sensor
When coordinate and using programming make its reach specified coordinate after stop motion, to make it accurately reach position to be measured.
Thermocouple signal obtains relatively clear signal after amplifilter, then collects and record through data collecting card.So
Signal analysis is carried out by software afterwards, finally obtains the display of temperature signal.
Claims (4)
1. a kind of fine grinding temperature measuring device of space flight inertia member diplopore feature, by temperature sensor (100) and auxiliary device
Composition, auxiliary device include clamping component (200), XYZ displacement component (300), grating and its fastener components (400), spy
Sign is: the temperature sensor (100) is mounted on XYZ displacement component (300) by clamping component (200), and temperature passes
Sensor (100) is located at XYZ displacement component (300) side, and grating and its fixing piece portion are placed in XYZ displacement component (300) other side
Divide (400), and three grating scales (3) in grating are placed on the direction of tri- axis of XYZ respectively and measure displacement;The temperature passes
Sensor (100)) it include bipolar thermocouple (17) and cylindrical metal rod (18), the metal bar (18) is by symmetrical two parts
Be bonded, the bipolar thermocouple (17) is fixed on metal bar (18) by epoxy resin) outer circumference surface on aperture in,
So that thermocouple wire forms measurement point in metal bar outer circumference surface;The sickle curved bar (29) of the clamping component (200) passes through
Curved bar locating element (30) is inserted into the bottom plate (19) of clamping component (200), sickle curved bar (29) one end connecting screw (20)
And nut (21), the other end connect temperature sensor (100);Cylinder (4) in the Z-direction of the XYZ displacement component (300) passes through
Piston rod (25) is connect with the bottom plate (19) of clamping component (200), for driving clamping component (200) and temperature sensor
(100) it moves up and down, the cylinder (4) in the Z-direction is mounted on X axis supporting piece (12), and it is upward that X axis supporting piece (12) connects X
Cylinder (4), be placed in Y-axis supporting piece (14), X axis supporting piece (12) and Y-axis supporting piece (14) form guide rail and are cooperatively connected, by
X upward cylinder (4) driving X axis supporting piece (12) is on Y-axis supporting piece (14) along X-motion;The Y-axis supporting piece (14)
Two cylinders (4) in Y-direction are connected, are transported on guide rail along Y-axis by two cylinders (4) driving Y-axis supporting piece (14) in Y-direction
It is dynamic.
2. according to right want 1 described in the fine grinding temperature measuring device of space flight inertia member diplopore feature, it is characterised in that: it is described
The small sircle hole of 16 0.8mm × 0.4mm of cloth is uniformly bored in two semi-circular portions of metal bar (18).
3. according to right want 1 described in the fine grinding temperature measuring device of space flight inertia member diplopore feature, it is characterised in that: it is described
After bipolar thermocouple (17) is placed in metal bar (18) aperture, thermocouple wire is connected by the hollow interior center of circle export of metal bar
Onto data acquisition card.
4. the fine grinding temperature measuring device of space flight inertia member diplopore feature according to claim 1, it is characterised in that: institute
Clamping part (200) is stated to be made of fixed baffle (23), sickle-shaped curved bar (29), washer (22), screw rod (20) and nut (21);
Fixed baffle (23) is fixed on bottom plate (19) by pin;Two side baffles of fixed baffle (23) are rectangular, the sickle-shaped song
Bar (29) front end is provided with a slot, and the washer (22), nut (21) are spun on screw rod (20) one end, and the screw rod (20) is worn
In the sliding groove of fixed baffle (23);The curved bar locating element (30) is inserted into bottom plate (19), makes sickle curved bar
(29) it can rotate around it;The sickle curved bar (29) by connector (27) connection screw thread bar (20), and connector (27) with
Pass through hexagon thin nut (28), the fixed company of socket cap hexagon socket head cap screw (26) between sickle curved bar (29) and threaded rod (20)
It connects.
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CN201810825296.9A CN108942450B (en) | 2018-07-25 | 2018-07-25 | Aerospace inertia part double-hole characteristic fine grinding temperature measuring device |
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JP2003165052A (en) * | 2001-11-28 | 2003-06-10 | Toto Ltd | Hole polishing device |
EP1370393A1 (en) * | 2001-03-22 | 2003-12-17 | Unova U.K. Limited | Method of reducing thermal distortion in grinding machines |
CN201583515U (en) * | 2010-01-21 | 2010-09-15 | 上海大学 | Casting alloy thermal analysis device |
CN102398220A (en) * | 2011-11-21 | 2012-04-04 | 上海理工大学 | Device for measuring temperature of grinding area during plane grinding |
CN102601733A (en) * | 2012-03-28 | 2012-07-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Online conical hole grinding, machining and measuring method for workpieces with large conical holes |
CN102725831A (en) * | 2010-08-11 | 2012-10-10 | 应用材料公司 | Apparatus and method for temperature control during polishing |
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2018
- 2018-07-25 CN CN201810825296.9A patent/CN108942450B/en active Active
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EP1370393A1 (en) * | 2001-03-22 | 2003-12-17 | Unova U.K. Limited | Method of reducing thermal distortion in grinding machines |
JP2003165052A (en) * | 2001-11-28 | 2003-06-10 | Toto Ltd | Hole polishing device |
CN201583515U (en) * | 2010-01-21 | 2010-09-15 | 上海大学 | Casting alloy thermal analysis device |
CN102725831A (en) * | 2010-08-11 | 2012-10-10 | 应用材料公司 | Apparatus and method for temperature control during polishing |
CN102398220A (en) * | 2011-11-21 | 2012-04-04 | 上海理工大学 | Device for measuring temperature of grinding area during plane grinding |
CN102601733A (en) * | 2012-03-28 | 2012-07-25 | 南车戚墅堰机车车辆工艺研究所有限公司 | Online conical hole grinding, machining and measuring method for workpieces with large conical holes |
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