CN107515112A - A kind of spindle rotation error experiment porch - Google Patents
A kind of spindle rotation error experiment porch Download PDFInfo
- Publication number
- CN107515112A CN107515112A CN201710794069.XA CN201710794069A CN107515112A CN 107515112 A CN107515112 A CN 107515112A CN 201710794069 A CN201710794069 A CN 201710794069A CN 107515112 A CN107515112 A CN 107515112A
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- displacement sensor
- main shaft
- sensor bracket
- support
- displacement
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- 238000002474 experimental method Methods 0.000 title claims abstract description 22
- 238000006073 displacement reaction Methods 0.000 claims abstract description 122
- 230000005693 optoelectronics Effects 0.000 claims abstract description 11
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 6
- 230000010354 integration Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- 238000012360 testing method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
A kind of spindle rotation error experiment porch, displacement sensor bracket fixed seat is disposed with workbench from front to back, opto-electronic sensor support, first fixed support and the second fixed support, first fixed support and the second fixed support support the front and rear of main shaft to be measured respectively, the front end of main shaft to be measured is fixedly installed main shaft knife handle by the end key of main shaft to be measured, main shaft knife handle is located at opto-electronic sensor support side, and the front end of main shaft knife handle is inserted with check rod, main shaft knife handle is corresponded on opto-electronic sensor support and is provided with photoelectric sensor for obtaining main shaft knife handle rotary speed information, check rod is corresponded in displacement sensor bracket fixed seat and is fixedly installed displacement sensor bracket component for supporting and adjusting displacement transducer position, displacement transducer for obtaining check rod displacement state information is located at the top of check rod.The present invention realizes the comprehensive system integration using high performance modularized hardware, and the roundness error separation for completing spindle rotation error and check rod is studied.
Description
Technical field
The present invention relates to a kind of experiment porch.More particularly to a kind of spindle rotation error experiment porch.
Background technology
With the continuous development of modern manufacturing industry, lathe is as the modernization " machine-tool " with high-tech content
The important foundation equipment of manufacturing technology and equipment manufacture modernization is realized, its quality, performance and owning amount are to weigh a state
Family's modernization of industry is horizontal, the important symbol of overall national strength, therefore plays significant role in the construction of national economic modernization.
Main axle unit is the important component of modern metal cutting lathe, to the performance of high-speed, high precision main shaft in Machine Manufacture field
It is required that more and more higher.Because the rotating accuracy of main shaft is an important factor for influenceing the geometric accuracy and surface smoothness of machine tooling
One of, therefore analysis to the rotating accuracy of main shaft and research are particularly important.
Because the revolution axle center of main shaft is invisible, can only by clamping in the standard ball of main shaft or the measurement of check rod
To measure the motion of spindle axis indirectly, therefore the deviation from circular from of standard ball or check rod is inevitably mixed into main shaft
Turn error in.When mixed deviation from circular from be can not ignore it is necessary to carry out error separate using effective method, so as to
To accurate rotating accuracy value.Conventional error separating method has reversal process, multipoint method and multistep processes etc..Reversal process needs twice
Check rod and displacement transducer are rotated 180 ° around rotation axis and reinstalled by measurement, second of measurement, reinstall meeting
Alignment error is brought, separating resulting can be made inaccurate.Multipoint method is using multiple displacement transducers while to measure multigroup number simultaneously
According to, by the multi-group data surveyed carry out integrated treatment, carry out error separate, if but between sensor angle selection not
Rationally, harmonics restraint can be produced, equally influences whether the precision of separation.In current practice, most test device intelligence
A kind of error separating method can be directed to, versatility is not strong.The sensor stand of processing fixed angle is unfavorable for point of different angle
From the research of result.Therefore a kind of spindle rotation error experiment porch that can implement a variety of error separating methods is needed to have emphatically
Big meaning.
The content of the invention
The technical problem to be solved by the invention is to provide it is a kind of realized using high performance modularized hardware it is comprehensive
The spindle rotation error experiment porch of the system integration.
The technical solution adopted in the present invention is：A kind of spindle rotation error experiment porch, including workbench, the work
Displacement sensor bracket fixed seat, opto-electronic sensor support, the first fixed support and second are disposed with platform from front to back
Fixed support, first fixed support and the second fixed support support the front and rear of main shaft to be measured respectively, described to be measured
The front end of main shaft is fixedly installed main shaft knife handle by the end key of main shaft to be measured, and the main shaft knife handle is located at described photoelectric sensing
Device support side, and the front end of main shaft knife handle corresponds to the main shaft knife handle inserted with check rod on the opto-electronic sensor support
The photoelectric sensor for obtaining main shaft knife handle rotary speed information is provided with, corresponds to and examines in the displacement sensor bracket fixed seat
Rod is fixedly installed the displacement sensor bracket component for supporting and adjusting displacement transducer position, for obtaining check rod position
The displacement transducer of shifting state information is located at the top of check rod.
Described the first fixed support and the second fixing rack structure is identical, includes：Above formed with for being embedded in
Lower fixed support with the semi-circular recesses of the support main shaft to be measured and the inverted U-shaped above the main shaft to be measured
Upper fixed support, support bracket fastened base is bolted on the workbench under described, and fixed support is opened
Two ends at mouth end are connected with two ends of the lower fixed support openend by hinge, are additionally provided with positioned at master to be measured
V-block between axle and upper fixed support, the V-block are fastened in above the main shaft to be measured, fixed support
Screw of the top formed with up/down perforation, the top of fixed support are threaded with locking by what screw ran through up and down
Screw rod, the tie down screw withstand on the top of the V-block to make main shaft to be measured be fixed on the lower fixed support by rotation
Groove on.
The screw for being used for fixed lower fixed support base on the workbench is formed along workbench length direction, so as to
Make lower fixed support to be capable of being fixed on the workbench of front and rear adjustment.
Described displacement sensor bracket component includes：It is fixed by screws in the displacement sensor bracket fixed seat
On displacement sensor bracket rotating base, the position being enclosed on the displacement sensor bracket rotating base of adjustment can be rotated
Displacement sensor support rotating disk, shape between the displacement sensor bracket rotating disk end and displacement sensor bracket rotating base end
Into there is gap, the gap has been embedded in for stopping that the displacement sensor bracket rotating disk rotates bottom from displacement sensor bracket
The displacement sensor bracket end cap to be come off on seat, the displacement sensor bracket end cap pass through screw and institute's displacement sensors branch
Frame rotating base end is fixedly connected, and the displacement sensor bracket rotating disk upper outside is fixedly installed displacement by screw and passed
Sensor bracket, the displacement transducer corresponding to the check rod is provided with the displacement sensor bracket.
Described displacement sensor bracket rotating base can be adjusted radially in the displacement sensor bracket fixed seat
It is whole.
Described displacement sensor bracket rotating disk is the displacement sensor bracket rotating disk clamping screw by being disposed radially
And it is positioned on the displacement sensor bracket rotating base.
Described displacement sensor bracket rotating disk is also cased with being used to measure the displacement sensor bracket turntable rotation angle
Dial.
Described displacement sensor bracket includes one end and is axially fixed in the displacement along displacement sensor bracket rotating disk
Upper horizontal support bar on the outside of sensor stand rotating disk, upper vertical are connected to the vertical support of the upper horizontal strut other end
Bar, and the lower horizontal support bar of the lower end for being connected to the vertical support bar of one end level, the displacement sensor are fixed and set
Put the other end in lower horizontal support bar.
A kind of spindle rotation error experiment porch of the present invention, is realized using high performance modularized hardware and comprehensive is
System is integrated, and the roundness error separation for completing spindle rotation error and check rod is studied.The present invention has the advantage that and good effect
It is：
1st, main shaft to be measured is installed using V-groove support, self-centering can be achieved；
2nd, for different types of main shaft, the turn error measurement in fixed sensitive direction and rotational sensitive direction can be achieved；
3rd, using this experiment porch, a variety of error separating methods can be implemented simultaneously, different error separating methods are carried out pair
Than research, testing time and processing cost are saved.
Brief description of the drawings
Fig. 1 is a kind of overall structure diagram of spindle rotation error experiment porch of the present invention；
Fig. 2 is that the front of displacement transducer bracket component in the present invention regards；
Fig. 3 is Fig. 2 A-A sectional views.
In figure
1：Workbench 2：Displacement sensor bracket fixed seat
3：Displacement sensor bracket rotating base 4：Dial
5：Displacement sensor bracket 5.1：Upper horizontal strut
5.2：Vertical support bar 5.3：Lower horizontal support bar
6：Displacement transducer 7：Main shaft knife handle
8：Displacement sensor bracket rotating disk 9：Displacement sensor bracket end cap
10：Check rod 11：Displacement sensor bracket rotating disk clamping screw
12：Opto-electronic sensor support 13：Photoelectric sensor
14：Main shaft 14a to be measured：Hold key
15a：First fixed support 15b：Second fixed support
15.1：Lower fixed support 15.2：Tie down screw
15.3：Upper fixed support 15.4：V-block
16：Bearing pin
Embodiment
A kind of spindle rotation error experiment porch of the present invention is described in detail with reference to embodiment and accompanying drawing.
As shown in figure 1, a kind of spindle rotation error experiment porch of the present invention, including workbench 1, on the workbench 1
Displacement sensor bracket fixed seat 2, opto-electronic sensor support 12, the first fixed support 15a and are disposed with from front to back
Two fixed support 15b, the first fixed support 15a and the second fixed support 15b support respectively main shaft 14 to be measured front portion and
Rear portion, the front end of the main shaft 14 to be measured are fixedly installed main shaft knife handle 7, the main shaft knife by the end key 14a of main shaft to be measured
Handle 7 is located at the described side of opto-electronic sensor support 12, and the front end of main shaft knife handle 7 is inserted with check rod 10, the photoelectric transfer
The main shaft knife handle 7 is corresponded on sensor bracket 12 and is provided with photoelectric sensor 13 for obtaining the rotary speed information of main shaft knife handle 7, institute
Check rod 10 is corresponded on displacement sensors rack fixing seat 2 to be fixedly installed for supporting and adjusting the position of displacement transducer 6
Displacement sensor bracket component, the displacement transducer 6 for obtaining the displacement state information of check rod 10 is located at check rod 10
Top.
Described the first fixed support 15a and the second fixed support 15b structures is identical, includes：Above formed with
In semi-circular recesses that are embedded and supporting the main shaft to be measured 14 lower fixed support 15.1 and be enclosed on the main shaft to be measured 14
The upper fixed support 15.3 of inverted U-shaped on upper semi-circle, the base of the lower fixed support 15.1 are bolted on institute
State on workbench 1, two two held with the lower openend of fixed support 15.1 of the fixed openend of support 15.3
End is articulated and connected by bearing pin 16, the V-block 15.4 being additionally provided between main shaft 14 to be measured and upper fixed support 15.3, institute
State V-block 15.4 to be fastened in above the main shaft to be measured 14, the top of fixed support 15.3 is formed with up/down perforation
Screw, the top of fixed support 15.3 is threaded with for withstanding on the V-block by rotation by screw
15.4 top and the tie down screw 15.2 of fixed main shaft 14 to be measured.Can be by main shaft to be measured by adjusting the tie down screw 15.2
14 clamp.
The screw for being used for the fixed lower base of fixed support 15.1 on the workbench 1 is formed along the length direction of workbench 1
, so that lower fixed support 15.1 is is capable of being fixed on the workbench 1 of front and rear adjustment.
Described displacement sensor bracket component includes：It is fixed by screws in the displacement sensor bracket fixed seat
Displacement sensor bracket rotating base 3 on 2, described displacement sensor bracket rotating base 3 is in institute's displacement sensors branch
Can be radially adjusted in frame fixed seat 2.Being enclosed on the displacement sensor bracket rotating base 3 of adjustment can also be rotated
Displacement sensor bracket rotating disk 8, the end of displacement sensor bracket rotating disk 8 and the end of displacement sensor bracket rotating base 3
Formed with gap between portion, the gap has been embedded in for stopping the displacement sensor bracket rotating disk 8 from displacement transducer
The displacement sensor bracket end cap 9 to be come off on support rotating base 3, the displacement sensor bracket end cap 9 pass through screw and institute
The end of displacement sensors support rotating base 3 is fixedly connected, and described displacement sensor bracket rotating disk 8 is adjusting angle
Afterwards, it is that the displacement sensor bracket rotation is positioned at by the displacement sensor bracket rotating disk clamping screw 11 being disposed radially
Turn on base 3.Described displacement sensor bracket rotating disk 8 is also cased with rotating for measuring the displacement sensor bracket rotating disk 8
The dial 4 of angle.The upper outside of displacement sensor bracket rotating disk 8 is fixedly installed displacement sensor bracket by screw
5, the displacement transducer 6 corresponding to the check rod 10 is provided with the displacement sensor bracket 5.
As shown in Figure 2 and Figure 3, described displacement sensor bracket 5 includes one end along the axle of displacement sensor bracket rotating disk 8
To the upper horizontal support bar 5.1 for being fixed on the outside of displacement sensor bracket rotating disk 8, upper vertical is connected to the upper level
The vertical support bar 5.2 of the other end of pole 5.1, and one end is horizontal is connected under the lower end of the vertical support bar 5.2
Horizontal support bar 5.3, the displacement sensor 6 are fixedly installed on the other end of lower horizontal support bar 5.3.
A kind of operation principle of spindle rotation error experiment porch of the present invention is：
1st, when implementing to invert Error Separation, the angle of adjustment displacement sensor bracket rotating disk 8, displacement transducer is tightened
Support rotating disk clamping screw 11, record one group of test data T1, then main shaft knife handle 7 is extracted, filled again again after rotating 180 °
The front end of main shaft 14 to be measured is clipped in, and displacement sensor bracket rotating disk 8 is rotated 180 °, locks displacement sensor bracket Rolling disc lock
After tight bolt 11, one group of data T is re-recorded2, the synchronous error T of two groups of data is obtained respectively1sAnd T2s, T1sAnd T2sIn include
The turn error δ (θ) of main shaft 14 to be measured and the deviation from circular from R (θ) of check rod 10, and has following relation：
T1s(θ)=R (θ)+δ (θ)
T2s(θ)=R (θ)-δ (θ)
The turn error δ (θ) and check rod 10 that are easy to try to achieve main shaft 14 to be measured by above formula deviation from circular from R (θ) is：
2nd, when implementing multiple spot Error Separation, illustrated by taking line-of-sight course as an example, adjustment displacement sensor bracket rotating disk 8
Angle, tighten displacement sensor bracket rotating disk clamping screw 11, record one group of test data T1, then rotation displacement passes respectively
Sensor bracket rotating disk 8, the rotational angle relative to initial position are respectively α and β, record data T2And T3, then obtain respectively each
The synchronous error T of group data1s(θ)、T2s(θ) and T3s(θ), the revolution comprising main shaft 14 to be measured of each group synchronous error data miss
Poor δ (θ) and the deviation from circular from R (θ) of check rod 10, and have following relation：
T1s(θ)=R (θ)+x (θ)
T2s(θ)=R (θ-α)+x (θ) cos (α)+y (θ) sin (α)
T3s(θ)=R (θ-β)+x (θ) cos (β)+y (θ) sin (β)
Wherein x (θ) and y (θ) is respectively component of the turn error of main shaft 14 to be measured in X-axis and Y-axis, utilizes frequency domain line-of-sight course
Can the turn error δ (θ) of the isolated main shaft 14 to be measured and deviation from circular from R (θ) of check rod 10.
3rd, when implementing multistep Error Separation, the angle of adjustment displacement sensor bracket rotating disk 8, displacement transducer is tightened
Support rotating disk clamping screw 11, record one group of test data T1, then rotation displacement sensor stand rotating disk 8 respectively, each time
Rotational angle be φ, altogether repeatedly n times collection, record data is respectively T1、T2..Tn, then the synchronization of each group of data is obtained respectively
Error T1s(θ)、T2s(θ)...Tns(θ).The data recorded each time all turn error δ (θ) containing main shaft 14 to be measured and inspection
The deviation from circular from R (θ) of rod 10, because the deviation from circular from of check rod 10 has tight periodicity, the data in each decile position
Sum can be because the rotating vector of corresponding fundamental frequency harmonic misses into round symmetrically cancellation, the revolution of the main shaft to be measured 14 of calculating
Poor δ (θ) is
The deviation from circular from R (θ) of check rod 10 is
R (θ)=T1s(θ)-δ(θ)。
Claims (8)
1. a kind of spindle rotation error experiment porch, including workbench (1), it is characterised in that on the workbench (1) by it is preceding extremely
After be disposed with displacement sensor bracket fixed seat (2), opto-electronic sensor support (12), the first fixed support (15a) and
Two fixed supports (15b), first fixed support (15a) and the second fixed support (15b) support main shaft to be measured (14) respectively
Front and rear, the front end of the main shaft (14) to be measured is fixedly installed main shaft knife handle by the end key (14a) of main shaft to be measured
(7), the main shaft knife handle (7) is located at described opto-electronic sensor support (12) side, and the front end of main shaft knife handle (7) inserted with
Check rod (10), the main shaft knife handle (7) is corresponded on the opto-electronic sensor support (12) and is provided with for obtaining main shaft knife handle
(7) photoelectric sensor (13) of rotary speed information, check rod (10) fixation is corresponded on the displacement sensor bracket fixed seat (2) and is set
The displacement sensor bracket component for supporting and adjusting displacement transducer (6) position is equipped with, for obtaining check rod (10) position
The displacement transducer (6) of shifting state information is located at the top of check rod (10).
2. a kind of spindle rotation error experiment porch according to claim 1, it is characterised in that described first fixes branch
Frame (15a) is identical with the second fixed support (15b) structure, includes：Above formed with described to be measured for being embedded in and supporting
The lower fixed support (15.1) of the semi-circular recesses of main shaft (14) and the inverted U-shaped positioned at the main shaft (14) to be measured above
Upper fixed support (15.3), the base of the lower fixed support (15.1) is bolted on the workbench (1), institute
Two ends for stating two ends and lower fixed support (15.1) openend of fixed support (15.3) openend pass through bearing pin
(16) it is articulated and connected, the V-block (15.4) being additionally provided between main shaft to be measured (14) and upper fixed support (15.3) is described
V-block (15.4) is fastened in above the main shaft to be measured (14), and the top of fixed support (15.3) is formed with upper and lower
The screw of insertion, the top of fixed support (15.3) are threaded with tie down screw by what screw ran through up and down
(15.2), the tie down screw (15.2) withstands on the top of the V-block (15.4) to make main shaft to be measured (14) solid by rotation
It is scheduled on the groove of the lower fixed support (15.1).
3. a kind of spindle rotation error experiment porch according to claim 2, it is characterised in that on the workbench (1)
Screw for fixed lower fixed support (15.1) base is formed along workbench (1) length direction, so that lower fixed branch
Frame (15.1) is is capable of being fixed on the workbench (1) of front and rear adjustment.
A kind of 4. spindle rotation error experiment porch according to claim 1, it is characterised in that described displacement transducer
Bracket component includes：The displacement sensor bracket rotation being fixed by screws on the displacement sensor bracket fixed seat (2)
Turn base (3), the displacement sensor bracket being enclosed on the displacement sensor bracket rotating base (3) that can rotate adjustment turns
Disk (8), between the end of displacement sensor bracket rotating disk (8) end and displacement sensor bracket rotating base (3) formed with
Gap, the gap have been embedded in for stopping that the displacement sensor bracket rotating disk (8) rotates bottom from displacement sensor bracket
The displacement sensor bracket end cap (9) to be come off on seat (3), the displacement sensor bracket end cap (9) pass through screw and institute's rheme
Displacement sensor support rotating base (3) end is fixedly connected, and displacement sensor bracket rotating disk (8) upper outside passes through screw
Displacement sensor bracket (5) is fixedly installed, is provided with the displacement sensor bracket (5) corresponding to the check rod (10)
Displacement transducer (6).
A kind of 5. spindle rotation error experiment porch according to claim 4, it is characterised in that described displacement transducer
Support rotating base (3) can be radially adjusted on the displacement sensor bracket fixed seat (2).
A kind of 6. spindle rotation error experiment porch according to claim 4, it is characterised in that described displacement transducer
Support rotating disk (8) is to be positioned at the displacement by the displacement sensor bracket rotating disk clamping screw (11) being disposed radially to pass
On sensor bracket rotating base (3).
A kind of 7. spindle rotation error experiment porch according to claim 4, it is characterised in that described displacement transducer
Support rotating disk (8) is also cased with being used for the dial (4) for measuring displacement sensor bracket rotating disk (8) anglec of rotation.
A kind of 8. spindle rotation error experiment porch according to claim 4, it is characterised in that described displacement transducer
Support (5) includes one end and is axially fixed in the displacement sensor bracket rotating disk (8) outside along displacement sensor bracket rotating disk (8)
The upper horizontal support bar (5.1) of side, upper vertical are connected to the vertical support bar of upper horizontal strut (5.1) other end
(5.2), and the horizontal lower end for being connected to the vertical support bar (5.2) in one end lower horizontal support bar (5.3), the shifting
Sensor (6) is fixedly installed on the other end of lower horizontal support bar (5.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794069.XA CN107515112A (en) | 2017-09-06 | 2017-09-06 | A kind of spindle rotation error experiment porch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710794069.XA CN107515112A (en) | 2017-09-06 | 2017-09-06 | A kind of spindle rotation error experiment porch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107515112A true CN107515112A (en) | 2017-12-26 |
Family
ID=60724828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710794069.XA Pending CN107515112A (en) | 2017-09-06 | 2017-09-06 | A kind of spindle rotation error experiment porch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107515112A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982035A (en) * | 2019-05-24 | 2020-11-24 | 上海理工大学 | Dynamic rotation precision testing device for high-frequency main shaft and using method of dynamic rotation precision testing device |
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Cited By (1)
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|---|---|---|---|---|
| CN111982035A (en) * | 2019-05-24 | 2020-11-24 | 上海理工大学 | Dynamic rotation precision testing device for high-frequency main shaft and using method of dynamic rotation precision testing device |
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Application publication date: 20171226 |