CN104802086B - The phase automated on-line instrumentation of crank-shaft link neck - Google Patents
The phase automated on-line instrumentation of crank-shaft link neck Download PDFInfo
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- CN104802086B CN104802086B CN201510163718.7A CN201510163718A CN104802086B CN 104802086 B CN104802086 B CN 104802086B CN 201510163718 A CN201510163718 A CN 201510163718A CN 104802086 B CN104802086 B CN 104802086B
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- Prior art keywords
- feeler
- main shaft
- drive device
- crank
- gauge head
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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
- 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
Abstract
The present invention relates to the phase automated on-line instrumentation and method of a kind of crank-shaft link neck, measurement apparatus include feeler and its drive device, main shaft and its drive device and rotary angle transmitter, using the axis of the gauge head center line of feeler and main shaft in same level and vertical position as feeler measurement position；Measuring method is to drive main shaft successively to go to the position contacted with gauge head from both direction from initial position with dynamic crankshaft in measurement position, obtains main shaft angle coordinate A1 and A2 during two positions, is calculated（A1+A2‑360）/ 2 obtain connecting rod neck rotates to the angle coordinate of main shaft during horizontal level.Accurate positioning of the present invention, efficiency high, solve the problems, such as automatic phasing position in crank-shaft link neck automation processing, and disclosure satisfy that the flexible and efficiently requirement under automation processing well.
Description
Technical field
The present invention relates to a kind of workpiece angle measurement apparatus and measuring method, more particularly to a kind of phase of crank-shaft link neck
Automated on-line instrumentation and measuring method.
Background technology
At present in the grinding of crank-shaft link neck, dowel hole phase bit is generally used, as shown in figure 1, in bent axle
On special mould clamp 1, Design Orientation pin 2, by the position fixed locating stud of dowel hole on bent axle 3, using positioning during card engaging workpiece
Pin realizes that angle mutually positions, so as to ensure that the angle of connecting rod neck during grinding is accurate.
The shortcoming of pin-and-hole positioning is very flexible, because the size and pin-and-hole of the bent axle pin-and-hole of different model are in workpiece
Heart size is different, remodels be required for re-replacing fixture body every time, increased remodel cost and cycle, can not meet automation and adds
The requirement of " flexible, efficient " under work.
With the raising of crankshaft production line automaticity, increasing production line uses manipulator automatic loading/unloading,
When bent axle is installed, positioned using dowel hole, difficulty is larger, if the pin-and-hole position on alignment pin and bent axle on such as fixture
Deviation is equipped with, is just occurred and is not installed, cause fixture or manipulator to damage.And rely on frock when using manipulator grabbing workpiece
The method for expecting platform phase bit, can only accomplish coarse positioning, not reach pinpoint degree far also.
If the phase error of connecting rod neck is larger, occur that the grinding allowance of connecting rod neck is uneven in grinding, more sternly
Severe one meeting size also has the place not being ground in place.If phase is incorrect, position when connecting rod neck is ground is not right, will
There is the phenomenon of bent axle in emery wheel Fast Collision.In tangential point tracking grinding crankshaft grinding machine, the linear velocity of emery wheel is up to 120m/s,
Huge impulsive force can cause workpiece to fracture or fly out, emery wheel also can fragmentation, consequence is quite serious.
The content of the invention
In order to overcome the drawbacks described above under prior art, it is an object of the invention to provide a kind of phase of crank-shaft link neck
Automated on-line instrumentation and measuring method, not only accuracy of measurement is high, and disclosure satisfy that automation processing it is lower it is flexible with
Efficiently require.
The technical scheme is that：
A kind of phase automated on-line instrumentation of crank-shaft link neck, including feeler, feeler drive dress
Put, for bent axle and the main shaft coaxial with the trunnion of bent axle, main shaft drive device and the main shaft rotary angle transmitter of being installed,
It is in using the gauge head center line of the feeler and the axis of main shaft in same level and vertical as sensing contact
The measurement position of device.
Further preferred measurement position be enable crank-shaft link neck go near gauge head side close to during level with survey
Tangent position.
The phase automated on-line instrumentation of the crank-shaft link neck can also include can be used for main shaft drive device
Send the digital control system of the angle coordinate of control instruction and output main shaft, main shaft rotary angle transmitter and feeler
Signal output part each access the corresponding transducing signal input of the digital control system.Digital control system can well by contact
The action of sensor is united with the coordination of main shaft.
The feeler drive device can be oscillatory gearing mechanism, and its centre of gyration is preferably parallel to the master and turns
The axis of axle, the feeler can directly or indirectly be fixed on the feeler drive device away from one end of gauge head
On, the gauge head central axis of the feeler are in the centre of gyration of the feeler drive device.
The feeler drive device preferably uses hydraulic drive rotary device, and the feeler is away from gauge head
One end be fixedly connected in the rotating shaft of the feeler drive device.
The hair of its axis of rotation signal in place is preferably provided with for gathering and sent in the feeler drive device
News device.When the feeler swings to measurement position, signal transmitter sends signal in place, and the feeler drives
Dynamic device stopping action, makes the feeler keep on the measuring location.Act the feeler drive device
Or the control instruction of stopping action being sent by digital control system, in this case, the signal output part of the signal transmitter can
To access the corresponding transducing signal input of the digital control system, filled so that digital control system is aware of when to be driven to feeler
Put the instruction for sending stopping action.
Connection can be realized by setting pivoted arm and support between the feeler drive device and feeler,
The pivoted arm is vertically fixedly connected in the rotating shaft of the feeler drive device by its one end, the pivoted arm it is another
End is fixedly connected on the upper end of the support, and the feeler is fixedly connected under the support away from one end of gauge head
The gauge head center line of end, the pivoted arm and feeler is parallel.Connect as middle transition part using pivoted arm and support
Sensor drive device and feeler are touched, the two can be made to be in specific spatial relation, be both easy to the contact
The installation of sensor drive device, can guarantee that measurement apparatus are not interfered with other structures part again.
The mode that the other end of the pivoted arm is fixedly connected with the upper end of the support can be：The other end of the pivoted arm
Center screw is provided with, the upper end of the support is provided with unthreaded hole, and a screw mandrel is through the unthreaded hole and is screwed in the center screw,
The upper end of the support is fixed on the other end of the pivoted arm by a nut check.The structure convenient disassembly, adjusting bracket
It is also easy in the angle in the plane of pivoted arm, if necessary, angle can be conveniently adjusted or the branch of different length is changed
Frame adapts to the measurement of the crank-shaft link neck of different size.
When crankshaft grinding machine, can be with the main shaft of crankshaft grinding machine and its supporting drive device and rotation angle detecting apparatus
As the main shaft and its drive device and rotary angle transmitter, using the NC systems of crankshaft grinding machine as the digital control system, will
The feeler drive device is fixed on the grinding carriage of crankshaft grinding machine, before feeler is under the drive of grinding carriage
Afterwards, move left and right.
A kind of crank-shaft link neck phase automatic on-line measurement method：Bent axle is installed on main shaft, makes the main shaft of bent axle
Neck is coaxial with main shaft, using feeler, the feeler is in measurement position, drives the main shaft to drive
The initial position that bent axle is not in contact from connecting rod neck with the gauge head of feeler successively goes to and gauge head from both direction
The position of contact, records the angle coordinate A1 and A2 of main shaft during the two positions, according to A=respectively（A1+A2-360）/2
Calculate connecting rod neck to rotate to the angle coordinate A of main shaft during horizontal level, be achieved in connecting rod neck phase measurement.The survey
Amount position is that the gauge head center line of the feeler is in position in same level and vertical with the axis of main shaft.
Used as further preferred measurement position, the feeler should be at that crank-shaft link neck can be made to go near gauge head side
Close to position that can be tangent with gauge head during level.If gauge head is spherical, the measurement position can be attributed to gauge head center and arrive
The axis of main shaft is apart from L, wherein R is the eccentric throw of connecting rod neck, and r is the radius of connecting rod neck, and d is survey
The diameter of head.If gauge head is the cylinder extended along gauge head center line, as long as ensureing that connecting rod neck is gone to close to can be with during level
The Cylindrical Surfaces Contact of gauge head.
First quickly rotated to an angle during the main shaft goes to the position contacted with gauge head from initial position,
Again with measuring speed convergence up to contact, with measuring speed convergence until the angle that the process of contact is turned over is preferably 5 degree.Hurry up
Speed rotation can improve measurement efficiency, with measuring speed close to the impact that can reduce gauge head and connecting rod neck Contact.
The initial position is preferably connecting rod neck straight up（About+90 ° of correspondence）Or downwards（About -90 ° of correspondence）'s
Position.During due to measurement, main shaft is rotated and contacts gauge head respectively from both direction, has corresponded to two angle coordinates, initial bit
The error put can cancel out each other, therefore initial position coarse positioning, no matter manipulator automatic charging or manually go up
Material is all easily met initial position requirement.
The feeler can be ordered about in the axis perpendicular with the main shaft by hydraulic drive rotary device
Plane in lay out and accommodate.
The measuring method can be applied to crankshaft grinding machine, with the main shaft of crankshaft grinding machine and its supporting drive device and corner
Detection means as the main shaft and its drive device and rotary angle transmitter, using the NC systems of crankshaft grinding machine as the numerical control
System, the feeler drive device is fixed on the grinding carriage of crankshaft grinding machine, by the mobile reality of the grinding carriage
It is mobile around the existing feeler, to reach measurement position.
Beneficial effects of the present invention are：
Measurement apparatus simple structure, small investment is reliable and stable, and measurement error is smaller.Measuring method mentality of designing is ingenious, phase
When in accurate calibration has been carried out to crank phase, because the initial placement position that bent axle can be balanced out in single measurement is missed
Difference, therefore for single-piece work, substantially without the concern for the initial phase of bent axle, for batch machining, even if considering
Size shape deviation between same batch bent axle, compared to existing measuring method, has been significantly reduced and the initial of bent axle has been put
Seated position error requirements, using the measurement of single or a small amount of number of times.Also, the measurement apparatus and measuring method do not receive bent axle
The limitation of specification, is fully able to adapt to the flexible and efficient requirement of crankshaft connecting rod journal grinding processing, solves bent axle automation
The problem of the connecting rod neck phase bit in production line processing.
Brief description of the drawings
Fig. 1 is prior art bottom pin phase bit schematic diagram；
Fig. 2 is the structural representation of one embodiment of on-line measurement device of the invention；
Fig. 3 is the first time position that crank-shaft link neck touches feeler sender；
Fig. 4 is second position that crank-shaft link neck touches feeler sender；
Fig. 5 is phase angle schematic diagram calculation of the invention；
Fig. 6 is workpiece anglec of rotation schematic diagram calculation of the invention.
Specific embodiment
The invention provides a kind of phase automated on-line instrumentation of crank-shaft link neck（Referred to as measurement apparatus）, as
One embodiment, as shown in Fig. 2 including feeler 9, feeler drive device 5, pivoted arm 6, support 7, screw mandrel 8, use
In bent axle 3 and the main shaft coaxial with the trunnion of bent axle, main shaft drive device and the main shaft rotary angle transmitter of being installed.It is described
Pivoted arm is vertically fixedly connected in the rotating shaft of the feeler drive device by its one end, and the other end of the pivoted arm sets
The upper end for having center screw, the support is provided with unthreaded hole, and a screw mandrel is through the unthreaded hole and is screwed in the center screw, institute
The upper end for stating support is fixed on the other end of the pivoted arm by a nut check, the feeler away from gauge head one
End is fixedly connected on the lower end of the support, and the gauge head center line of the feeler is parallel with the pivoted arm, the contact
The shaft parallel of sensor drive device is in the axis of the main shaft.
The measurement apparatus can be applied on crankshaft grinding machine, correspondingly, main to turn using the main shaft of grinding machine as the main shaft
Axial brake device, main shaft rotary angle transmitter（Such as rotary encoder）, digital control system is using supporting with main shaft on grinding machine
Drive device, rotation angle detecting apparatus, the NC systems of grinding machine, are driven as the control system of measurement apparatus with NC systems to main shaft
Device sends the signal of the angle coordinate of control instruction and output main shaft, main shaft rotary angle transmitter and feeler
Output end each accesses the corresponding transducing signal input of NC systems.
The feeler drive device is preferably fixed to above the grinding carriage 4 of crankshaft grinding machine, its centre of gyration line with
Grinding wheel spindle centerline parallel, makes the feeler under the drive of the feeler drive device perpendicular to institute
Laid out in the plane of the axis for stating main shaft and accommodated.It is also provided with the feeler drive device concurrent for gathering
Go out the signal transmitter of its axis of rotation signal in place, the signal output part of the signal transmitter can also access the digital control system
Corresponding transducing signal input, correspondingly, the feeler drive device is acted or stopped also being controlled by NC systems
Only.
The feeler drive device preferably uses hydraulic drive rotary device, and being realized by angling cylinder therein should
The rotation of device.The magnetic valve of control angling cylinder action is arranged on the Hydraulic Station of grinding machine.
Installation and feeler drive device by feeler in feeler drive device is in emery wheel
Installation on frame ensures that the gauge head center line of feeler is located normal in the plane of the axis of main shaft, and when contact is passed
The axis that sensor accommodates during in level just with main shaft is in same level.Before measurement, solenoid valve control hydraulic pressure drives
Dynamic slewing equipment revolution, makes feeler drop in horizontal level, and now, the gauge head center line of feeler turns with main
The axis of axle is in same level and vertically, at this moment signal transmitter sends signal, and hydraulic drive rotary device stops revolution.
As seen in figures 3-6, present invention also offers a kind of crank-shaft link neck phase automatic on-line measurement method：Bent axle is filled
It is stuck on main shaft, makes the trunnion of bent axle coaxial with main shaft, using feeler 9, is in the feeler
Measurement position, drives the main shaft band dynamic crankshaft from connecting rod neck（Such as connecting rod neck A）Do not connect with the gauge head of feeler
A tactile initial position successively goes to the position for making the connecting rod neck be contacted with gauge head from both direction, and the two positions are recorded respectively
The angle coordinate A1 and A2 of the main shaft when putting, according to A=（A1+A2-360）/ 2 calculate connecting rod neck rotates to horizontal level
When main shaft angle coordinate A, be achieved in connecting rod neck phase measurement.
The measurement position is that the gauge head center line of the feeler is in same level with the axis of main shaft
Interior and vertical position, used as further preferred measurement position, the feeler goes to close positioned at crank-shaft link neck
Gauge head side close to can be tangent with gauge head during level position.When gauge head is spherical, the measurement position is that gauge head center is arrived
The axis of main shaft is equal to apart from LPosition, wherein R is the eccentric throw of connecting rod neck, and r is for connecting rod neck
Radius, d is the diameter of gauge head；When gauge head is the cylinder along the extension of gauge head center line, as long as it is close to ensure that connecting rod neck goes to
Can be with the Cylindrical Surfaces Contact of gauge head during level.
The initial position is preferably connecting rod neck straight up（About+90 ° of correspondence, as shown in Figure 6）Or downwards（Correspondence is big
About -90 °）Position.During due to measurement, main shaft is rotated and contacts gauge head respectively from both direction, has been corresponded to two angles and has been sat
Mark, the error of initial position can cancel out each other, therefore initial position coarse positioning, no matter manipulator automatic charging or people
The manual feeding of work is all easily met initial position requirement.
Preferably first quick rotation is certain during the main shaft goes to the position contacted with gauge head from initial position
Angle, then with measuring speed convergence until contact.Quick rotation can improve measurement efficiency, can reduce so that measuring speed is close
The impact of gauge head and connecting rod neck Contact.
With measuring speed convergence until the angle that the process of contact is turned over is preferably 5 degree.
It is right so that the phase automated on-line instrumentation using the crank-shaft link neck is implemented on crankshaft grinding machine as an example below
The measuring method is specifically described.Before measurement, feeler is in and lays out（That is lift gauge head one end）State, first lead to
Cross manipulator or manually bent axle is installed on grinding machine spindle, connecting rod neck to be measured is in initial position.
Measurement whole working cycles be：
1st, starting feeler drive device drives feeler to accommodate, until the axis of feeler and main shaft
It is located in the same horizontal plane and vertical position（Vertical relation is by the installation of feeler, feeler drive device
Ensure, in order that the error for touching feeler sender every time is minimum）, signal transmitter sends signal, and feeler drives
Dynamic device stops, and feeler is kept the horizontality.
2nd, the NC systems of grinding machine provide move around grinding carriage, and grinding carriage movement drives the sensing contact
Device reaches measurement position, wherein, left and right directions（Corresponding to the direction in Fig. 2 perpendicular to paper）On to make gauge head correspondence company to be measured
Bar neck in-scope, fore-and-aft direction（Corresponding to left and right directions in Fig. 2）On to move to the axis for making gauge head center to main shaft
Be apart from LPosition.Lathe and measurement apparatus are finished once assembling fixation, the relative position of each parts
Also determine that, when determining that sensor puts down in initial setting up, the X-axis that transducer probe assembly proceeds to rotating center is sat
Scale value X1, so the X-axis coordinate X2 that sensor advances in place during measurement is X2=X1+L.
The automatic calculating of Z axis coordinate when being measured on sensor：Because measurement apparatus are fixed on grinding carriage, measurement apparatus
It is changeless with the axial distance of emery wheel, Z axis coordinate during according to grinding can calculate Z axis when measurement apparatus are measured
Coordinate.
3rd, NC systems provide C axles（That is main shaft）Rotation instruction, C axles drive workpiece rotation, and C axles first rotate counterclockwise to Fig. 3
Position, connecting rod neck contacts the gauge head of feeler 9, and signal is changed into electric signal, is transferred to NC systems, NC by feeler
System provides the instruction that the rotation of C axles stops, and C axles stop, and the position angle of NC systematic memories now C axles provides C axle angle coordinates
A1。
C axles are rotated clockwise to Fig. 4 positions again, and connecting rod neck contacts the gauge head of feeler 9, and feeler is signal
Electric signal is changed into, NC systems are transferred to, NC systems provide the instruction that the rotation of C axles stops, C axles stop, NC systematic memories now C
The position angle of axle, provides C axle angle coordinates A2.
According to A=（A1+A2-360）/ 2 calculate（Can be by NC system-computeds）Go out connecting rod neck to rotate near gauge head side
Horizontal level when C axles angle coordinate A, be achieved in crank-shaft link neck phase automatic on-line measurement.
It is α=arcsin [(d/2+r)/R] that connecting rod footpath is rotated to angle α during sensor sender position with horizontal plane（Such as
Fig. 6）.
During each card engaging workpiece, measured connecting rod neck is placed straight up, and the angle of C axles is fixed on one during card engaging workpiece
Within the scope of fixed（Typically at 90 ° or so）, this ensures that measured connecting rod neck is rotated to C axles during grinding wheel side horizontal level
The angle of coordinate be 0 ° or so, when manipulator automatic charging or manually feeding, first there is a thick phase bit, angle mistake
Difference is within 5 °, so C axles rotate counterclockwise to reach the angle W1=90- α of sensor when measuring at first, it is contemplated that be installed
Error, will leave certain safe dose, and atwirl angle W is set to W1-5 i.e. 90- α -5, then is sensed with measuring speed convergence
Device, until activating sensor sender.Then turn clockwise, rotate to the angle W2=360-2* α for reaching sensor, leave one
Fixed safe dose, atwirl angle W is set to W2-5 i.e. 360-2* α -5, with measuring speed convergence sensor, until touch passing
Sensor sender.
In practice, can be calculated by more than and all be compiled into program segment with NC language, be embedded in NC macroprograms, crankshaft grinding
Before processing, NC systems transfer process of measurement automatically, drive measurement apparatus work, complete the measurement at crank-shaft link neck phase angle, so
Measurement result is applied directly to automatically afterwards in follow-up connecting rod neck grinding.
Through experiment, the measurement apparatus are reliable and stable, and measurement error is smaller, is entirely capable of meeting crankshaft connecting rod journal grinding needs.
The invention can be successfully applied in production, solve the problem of the connecting rod neck phase bit in the processing of bent axle automatic production line.
Claims (10)
1. the phase automated on-line instrumentation of a kind of crank-shaft link neck, it is characterised in that including feeler, sensing contact
Device drive device, for being installed, bent axle and the main shaft coaxial with the trunnion of bent axle, main shaft drive device and main shaft turn
Angle transducer, the also number of the angle coordinate including can be used to send control instruction and output main shaft to main shaft drive device
Control system, is in same level and vertical as connecing using the axis of the gauge head center line of the feeler and main shaft
The signal output part of the measurement position of tactile sensor, the main shaft rotary angle transmitter and feeler each accesses described
The corresponding transducing signal input of digital control system, the feeler drive device is oscillatory gearing mechanism, its centre of gyration
Parallel to the axis of the main shaft, the feeler is directly or indirectly fixed on the feeler drive device
On, the gauge head central axis of the feeler are in the centre of gyration of the feeler drive device.
2. the phase automated on-line instrumentation of crank-shaft link neck as claimed in claim 1, it is characterised in that the contact is passed
Sensor drive device uses hydraulic drive rotary device, the feeler to be fixedly connected on described connecing away from one end of gauge head
Touch in the rotating shaft of sensor drive device.
3. the phase automated on-line instrumentation of crank-shaft link neck as claimed in claim 2, it is characterised in that the contact is passed
Sensor drive device is provided with for gathering and sends the signal transmitter of its axis of rotation signal in place.
4. the phase automated on-line instrumentation of crank-shaft link neck as claimed in claim 3, it is characterised in that the contact is passed
Pivoted arm and support are provided between sensor drive device and feeler, the pivoted arm is vertically fixedly connected on institute by its one end
State in the rotating shaft of feeler drive device, the other end of the pivoted arm is fixedly connected on the upper end of the support, described to connect
Touch the gauge head center of the lower end that sensor is fixedly connected on the support away from one end of gauge head, the pivoted arm and feeler
Line is parallel.
5. the phase automated on-line instrumentation of crank-shaft link neck as claimed in claim 4, it is characterised in that the pivoted arm
The mode that the other end is fixedly connected with the upper end of the support is：The other end of the pivoted arm is provided with center screw, the support
Upper end be provided with unthreaded hole, a screw mandrel is through the unthreaded hole and is screwed in the center screw, and the upper end of the support passes through one
Nut check is fixed on the other end of the pivoted arm.
6. the phase automated on-line instrumentation of crank-shaft link neck as claimed in claim 5, it is characterised in that with crankshaft grinding machine
Main shaft and its supporting drive device and rotation angle detecting apparatus as the main shaft and its drive device and rotary angle transmitter,
Using the NC systems of crankshaft grinding machine as the digital control system, the feeler drive device is fixed on the sand of crankshaft grinding machine
On wheel carrier.
7. a kind of crank-shaft link neck phase automatic on-line measurement method, it is characterised in that bent axle is installed on main shaft, makes song
The trunnion of axle is coaxial with main shaft, using feeler, the feeler is in measurement position, drives the master
Rotating shaft successively turns with the initial position that dynamic crankshaft is not in contact from connecting rod neck with the gauge head of feeler from both direction
To the position contacted with gauge head, the angle coordinate A1 and A2 of main shaft during the two positions are recorded respectively, according to A=（A1+
A2-360）/ 2 calculate connecting rod neck rotates to the angle coordinate A of main shaft during horizontal level, and the measurement position is described connecing
Touch the gauge head center line of sensor and be in position in same level and vertical with the axis of main shaft.
8. crank-shaft link neck phase automatic on-line measurement method as claimed in claim 7, it is characterised in that by hydraulic-driven
Slewing equipment order about the feeler with the plane of the axis perpendicular of the main shaft in lay out and accommodate, by the liquid
Pressure drives slewing equipment to be fixed on grinding carriage, and the process of the position contacted with gauge head is gone to from initial position in the main shaft
Middle elder generation quickly rotates to an angle, then with measuring speed convergence until contact.
9. crank-shaft link neck phase automatic on-line measurement method as claimed in claim 8, it is characterised in that become with measuring speed
The nearly angle turned over up to the process of contact is 5 degree.
10. crank-shaft link neck phase automatic on-line measurement method as claimed in claim 9, it is characterised in that the initial position
For connecting rod neck straight up or downward position.
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| CN201510163718.7A CN104802086B (en) | 2015-04-09 | 2015-04-09 | The phase automated on-line instrumentation of crank-shaft link neck |
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| CN105333828B (en) * | 2015-11-19 | 2016-11-30 | 西安交通大学 | A kind of four-axle linked tracking mode crank shaft measurement method |
| JP7000785B2 (en) * | 2017-10-04 | 2022-01-19 | 株式会社ジェイテクト | Machine Tools |
| CN107877380A (en) * | 2017-12-05 | 2018-04-06 | 中车戚墅堰机车有限公司 | A kind of crank-shaft link neck angle measurement error compensation method |
| CN113103066B (en) * | 2021-03-19 | 2022-03-18 | 上海航天精密机械研究所 | Positioning measurement method and system for thin-wall rotary body machining automatic production line |
| CN117260423B (en) * | 2023-11-21 | 2024-01-26 | 杭州正强传动股份有限公司 | Online detection device and method for double positioning of clamping groove in shaft sleeve |
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| CN101169318A (en) * | 2007-12-03 | 2008-04-30 | 北京第二机床厂有限公司 | Radial meter with hydraulic drive rotary device |
| CN101279438A (en) * | 2008-05-23 | 2008-10-08 | 潘旭华 | Follow measuring method of crankshaft connecting rod roundness |
| CN101428363A (en) * | 2008-12-10 | 2009-05-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Large-scale honeycomb ring spark-erosion grinding machining self-operated measuring device and use method thereof |
| CN102063087A (en) * | 2010-11-18 | 2011-05-18 | 北京第二机床厂有限公司 | Rotary speed detection and phase accurate stop control system for crankshaft workpiece |
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