CN106840730A - A kind of test platform for studying single shaft resetting error mechanism - Google Patents
A kind of test platform for studying single shaft resetting error mechanism Download PDFInfo
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- CN106840730A CN106840730A CN201710173861.3A CN201710173861A CN106840730A CN 106840730 A CN106840730 A CN 106840730A CN 201710173861 A CN201710173861 A CN 201710173861A CN 106840730 A CN106840730 A CN 106840730A
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 230000003252 repetitive effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011981 development test Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000011282 treatment 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
- G01M99/00—Subject matter not provided for in other groups of this subclass
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Abstract
The invention discloses a kind of test platform for studying single shaft resetting error mechanism, including lathe bed, workbench, servomotor, load device, grating scale and leading screw deflection test device, lathe bed upper surface both sides it is parallel the linear rolling guide with sliding block is installed, the sliding block is connected with the workbench, lathe bed upper surface middle part is provided with the ball guide screw nat being made up of fixing end and bearing end, ball-screw is connected with by the fixing end and bearing end, the fixing end that servomotor is installed on ball guide screw nat is used to drive ball-screw to rotate, ball guide screw nat is also configured with the leading screw deflection test device, for measurement ball-screw in real time in amount of deflection both horizontally and vertically, the tail end that load device is arranged on lathe bed is used to place external loading；Grating scale is provided with two, is separately positioned on the top of lathe bed left surface and the left side of upper surface.The test platform can carry out multifactor single argument experiment, single factor test Exploration on mechanism.
Description
Technical field
It is to be related to a kind of research single shaft resetting error machine specifically the present invention relates to machine tool error testing field
The test platform of reason.
Background technology
Development with modern machine industry increasingly develops towards directions such as automation, high speed, precise treatments, and product is to lathe
Required precision more and more higher, lathe resetting error is also increasingly taken seriously, and it is to carry to improve lathe overall accuracy
The key of the overall performance of lathe high.Resetting error embodies the stability and uniformity of lathe positioning, is to evaluate lathe
One of important indicator of performance, current international standard states resetting with the expanded uncertainty of the standard deviation of movement warp
Error：
The research related to mechanism of production of current relation repetitive error influence factor still belongs to blank, to influence repetitive error
Factor is unclear, and the mechanism that resetting error is produced is not understood still, lacks effective suppression resetting error technology,
So needing a special resetting error mechanism development test platform.
The content of the invention
The invention aims to overcome deficiency of the prior art, there is provided one kind can carry out multifactor single argument examination
Test, the test platform of the single shaft resetting error mechanism of single factor test Exploration on mechanism.
The purpose of the present invention is achieved through the following technical solutions：
A kind of test platform for studying single shaft resetting error mechanism, including lathe bed, workbench, servomotor, load
Device, grating scale and leading screw deflection test device, lathe bed upper surface both sides it is parallel to be provided with the rolling with sliding block straight
Line guideway, the sliding block is connected with the workbench, and lathe bed upper surface middle part is provided with what is be made up of fixing end and bearing end
Ball guide screw nat, ball-screw is connected with by the fixing end and bearing end, and the servomotor is installed on the rolling
The secondary fixing end of screw nut is used to drive ball-screw to rotate, and the ball guide screw nat is also configured with the leading screw and scratches
Degree test device, for measurement ball-screw in real time in amount of deflection both horizontally and vertically, the load device is arranged on lathe bed
Tail end be used for place external loading；The grating scale is provided with two, is separately positioned on top and the upper table of lathe bed left surface
The left side in face.
The both sides of the workbench are provided with the connecting hole being connected with sliding block, the support distances for adjusting workbench.
Adjust pad is provided between the end cap and bearing of the bearing end of the ball guide screw nat, it is described by adjustment
The thickness of pad realizes the ball-screw i.e. adjustment of support shaft rigidity.
The length, width and height of the lathe bed are respectively 2245mm, 800mm, 700mm, and lathe bed is internally provided with intersecting parallels gusset,
The gusset of lathe bed rear and front end is provided with circular or square perforate for lifting rigidity.
A meter font gusset is provided with inside the workbench, with hoisting depth；The upper surface of workbench is additionally provided with for solid
Determine the T-slot of workpiece.
The load device is made up of base, pulley base and pulley.
The resolution ratio of the grating scale is 0.1 μm, and precision is 3 μm.
The impulse stroke of the grating scale is 1000mm, and maximum feed speed is 40m/min.
Compared with prior art, the beneficial effect that technical scheme is brought is：
Test platform of the present invention is by groups such as lathe bed, linear rolling guide, workbench, ball guide screw nat, grating scales
Into workbench is driven by a ball-screw and support distances are adjustable；Ball-screw bearing end support stiffness has adjustable function；
With grating installation site at two, with grating installation site adjustable function, and at two installation site in the same of axis of movement
Side；With leading screw deflection test device, can real-time testing ball-screw amount of deflection；Carried with the outside applied along axis of movement direction
Lotus function.Therefore the test platform disclosure satisfy that worktable support distance to repeating influence, the ball-screw conduct of position error
Its rigidity of spring bearing is born to the influence, the grating scale installation site that repeat position error to repeating the influence of position error, outside
Carry to repeat position error influence, the change of leading screw amount of deflection and the Changing Pattern of resetting error, workbench strain and repeat
The Changing Pattern of position error, the Changing Pattern of sliding block strain/stress and resetting error, key point temperature and resetting
Changing Pattern of error etc. tests demand.
Brief description of the drawings
Fig. 1 is three dimensional structure diagram of the invention.
Fig. 2 is the three dimensional structure diagram of workbench.
Fig. 3 is the connection status structural representation of leading screw deflection test device.
Fig. 4 is the structural representation of the bearing end of ball guide screw nat.
Fig. 5 is the structural representation of load device.
Reference：1- lathe beds, 2- workbench, 3- linear rolling guides, 4- ball-screws, 5- leading screws deflection test dress
Put, 6- servomotors, 7- load devices, 8- grating scales, 9-T type grooves, 10- connecting holes, 11- bearings, 12- end caps, 13- adjusting pads
Piece, 14- bases, 15- pulley bases, 16- pulleys
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings：
The test platform of single shaft resetting error mechanism is studied as shown in figure 1, a kind of, including lathe bed 1, workbench 2, is watched
Motor 6, load device 7, grating scale 8 and leading screw deflection test device 5 are taken, the bottom surface of lathe bed 1 fixes on the ground, two roll directly
Line guideway 3 is installed in parallel in the both sides of the upper surface of lathe bed 1, and ball guide screw nat is arranged on the centre of the upper surface of lathe bed 1, work
The both sides for making platform 2 are connected by trip bolt with the sliding block of linear rolling guide 3, in the middle of workbench 2 by feed screw nut with
Ball-screw 4 is connected, and servomotor 6 is arranged on the front end (fixing end) of ball guide screw nat, for driving ball-screw 4 to revolve
Turn, ball guide screw nat is configured with leading screw deflection test device 5, for measurement ball-screw in real time in horizontal and vertical side
To amount of deflection, the tail end of lathe bed 1 is provided with external loading device 7, for placing external loading；Grating at two in the present embodiment
The installation site of chi 8 is respectively on the left of the left lateral sides of lathe bed 1 and upper surface.Workbench 2 both sides are provided with two groups and are connected with sliding block
Connecting hole 10, is capable of achieving workbench 2 apart from adjustable, and connecting hole 10 is screw hole in the present embodiment.
The appearance and size of the present embodiment medial bed 1 is 2245mm (length) × 800mm (width) × 700mm (height), and inside uses
Groined type gusset, and the making circular hole on gusset, with preferable rigidity, linear rolling guide installation base surface is arranged on lathe bed
The surface of both sides gusset along its length, to ensure that the deformation after guide rails assembling is minimum；The installation position of grating scale 8 at reserved two
Put, and in the same side of axis of movement, respectively on the left of lathe bed left lateral sides and upper surface；Lathe bed bottom has fot screw to fix
Hole.
Linear rolling guide selects THK models in the present embodiment：SHS45LC2SSC1+2100LP-11, on every guide rail
There are two support slippers, design parameter is：
Ball guide screw nat selects THK models in the present embodiment：SBN4016-5RRG0+1930LC2, design parameter is：
As shown in Fig. 2 the inside of workbench 2 uses rice font gusset in the present embodiment, to ensure that it is preferable that workbench has
Rigidity, surface is designed with T-slot 9, to facilitate fixed workpiece；Workbench 2 is connected by screw with the sliding block of linear rolling guide 3
Connect, there are two support slippers on every guideway, each support slipper passes through four mode connects for screw workbench 2, on workbench 2
Two groups of screwed holes being connected with guide rail slide block are reserved, has realized that worktable support distance is adjustable.
As shown in figure 3, ball-screw sag test device arranges four force snesors, ball wire at chuck position
Thick stick four force snesors in the motion process can measure two feed screw nuts between active force, in passing the signal along to collector,
Collector pickup registration.Force snesor can select interface WMC 1000LBF (4450N).Its accuracy of detection is
0.05%.When ball-screw occurs bending and deformation, four registrations of force snesor can change, according to the registration of sensor
Changing value calculates leading screw sag.
As shown in figure 4, adjust pad 13 is provided between the end cap 12 and bearing 11 of the bearing end of ball guide screw nat,
The different thickness of adjust pad 13 produces different bearing decrements, and then produces different bearing rigidities, the Test-bed Design
One group of adjust pad 13 of (5) different-thickness, can realize spring bearing by changing the thickness of adjust pad 13 in figure
The adjustment of rigidity.
Load device as shown in Figure 5 is made up of base 14, pulley base 15 and pulley 16, and wherein base 14 is fixed by screw
In the tail end of lathe bed 1, pulley base 15 is arranged on base 14, and pulley 16 is fixed by a pin on pulley base 15, the top of pulley 16
Tangential direction is consistent with working motion axis direction, and its operation principle is tail end one wire of extraction in workbench, steel wire
The other end of line bypasses pulley connection mass block, during workbench linear reciprocating motion, drives mass block to move up and down, and realizes
External load.
Separately, grating scale 8 selects Heidenhain absolute grating scale, model in the present embodiment：LC195F-ML1240(±3μm)
Cable 10m, resolution ratio 0.1um, precision 3um；The torque of servomotor 6 is 22Nm, motor maximum (top) speed 3000r/min, power
4KW。
Can be realized by test platform of the present invention：Worktable support distance is supported to repeating the influence of position error, leading screw
Bearing rigidity installs essence to the influence, the grating scale installation site that repeat position error to repeating the influence of position error, grating scale
The influence to repetitive positioning accuracy, external loading is spent to be missed with resetting to repeating the influence of position error, the change of leading screw amount of deflection
Poor Changing Pattern, the Changing Pattern of workbench strain and resetting error, sliding block strain/stress and resetting error
Influence, the guide rail of Changing Pattern, the Changing Pattern of key point temperature and resetting error, feed speed to repetitive positioning accuracy
Demand is tested in the basal plane linearity/influence of perpendicularity to repetitive positioning accuracy etc..
The present invention is not limited to embodiments described above.Description to specific embodiment above is intended to describe and says
Bright technical scheme, above-mentioned specific embodiment is only schematical, is not restricted.This is not being departed from
In the case of invention objective and scope of the claimed protection, one of ordinary skill in the art may be used also under enlightenment of the invention
The specific conversion of many forms is made, these are belonged within protection scope of the present invention.
Claims (8)
1. it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that including lathe bed, workbench, servo
Motor, load device, grating scale and leading screw deflection test device, lathe bed upper surface both sides are parallel to be provided with sliding block
Linear rolling guide, the sliding block is connected with the workbench, and lathe bed upper surface middle part is provided with by fixing end and bearing
The ball guide screw nat of composition is held, ball-screw is connected with by the fixing end and bearing end, the servomotor is installed
It is used to drive ball-screw to rotate in the fixing end of the ball guide screw nat, the ball guide screw nat is also configured
Leading screw deflection test device is stated, for measurement ball-screw in real time in amount of deflection both horizontally and vertically, the load device peace
It is used to place external loading mounted in the tail end of lathe bed；The grating scale is provided with two, is separately positioned on the top of lathe bed left surface
Portion and the left side of upper surface.
2. according to claim 1 it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that it is described
The both sides of workbench are provided with the connecting hole being connected with sliding block, the support distances for adjusting workbench.
3. according to claim 1 it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that it is described
Adjust pad is provided between the end cap and bearing of the bearing end of ball guide screw nat, by the thickness reality for adjusting the pad
The adjustment of existing support stiffness.
4. according to claim 1 it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that it is described
The length, width and height of lathe bed are respectively 2245mm, 800mm, 700mm, and lathe bed is internally provided with intersecting parallels gusset, lathe bed rear and front end
Gusset be provided with circular or square perforate for lifting rigidity.
5. according to claim 1 it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that it is described
A meter font gusset is provided with inside workbench, with hoisting depth；The upper surface of workbench is additionally provided with for fixing the T-shaped of workpiece
Groove.
6. according to claim 1 it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that it is described
Load device is made up of base, pulley base and pulley.
7. according to claim 1 it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that it is described
The resolution ratio of grating scale is 0.1 μm, and precision is 3 μm.
8. according to claim 1 or 7 it is a kind of study single shaft resetting error mechanism test platform, it is characterised in that
The impulse stroke of the grating scale is 1000mm, and maximum feed speed is 40m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173861.3A CN106840730A (en) | 2017-03-22 | 2017-03-22 | A kind of test platform for studying single shaft resetting error mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173861.3A CN106840730A (en) | 2017-03-22 | 2017-03-22 | A kind of test platform for studying single shaft resetting error mechanism |
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| CN106840730A true CN106840730A (en) | 2017-06-13 |
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| CN201710173861.3A Pending CN106840730A (en) | 2017-03-22 | 2017-03-22 | A kind of test platform for studying single shaft resetting error mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686585A (en) * | 2019-09-12 | 2020-01-14 | 天津大学 | Assembly method for inhibiting repeated positioning errors of linear shaft of precision machine tool |
| CN114624013A (en) * | 2022-03-17 | 2022-06-14 | 清华大学 | Pre-tightening force adjusting and dragging force testing device for rolling linear guide rail pair |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975945Y (en) * | 2006-12-01 | 2007-11-14 | 山东济宁博特精密丝杠有限公司 | High speed precision ball screw pair integrated performance tester |
| CN102175450A (en) * | 2010-12-30 | 2011-09-07 | 大连高金数控集团有限公司 | Device for detecting comprehensive performance of high-speed precision ball screw pair |
| CN104122087A (en) * | 2014-08-15 | 2014-10-29 | 上海理工大学 | Ball screw performance experiment table driven by linear motor |
| CN104266837A (en) * | 2014-10-08 | 2015-01-07 | 上海理工大学 | Ball screw performance testing testbed based on motor servo loading |
| CN103389205B (en) * | 2013-07-17 | 2016-01-13 | 西安交通大学 | A kind of device detecting combination property under ball screw assembly, stress state |
| CN105372061A (en) * | 2015-11-13 | 2016-03-02 | 东南大学 | Ball screw pair axial loading device |
| KR101684656B1 (en) * | 2015-11-20 | 2016-12-09 | (주)한국항공기술 | Testing device for ball screw of landing gear for military aircraft |
| CN206601246U (en) * | 2017-03-22 | 2017-10-31 | 天津大学 | A kind of test platform for studying single shaft resetting error mechanism |
-
2017
- 2017-03-22 CN CN201710173861.3A patent/CN106840730A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200975945Y (en) * | 2006-12-01 | 2007-11-14 | 山东济宁博特精密丝杠有限公司 | High speed precision ball screw pair integrated performance tester |
| CN102175450A (en) * | 2010-12-30 | 2011-09-07 | 大连高金数控集团有限公司 | Device for detecting comprehensive performance of high-speed precision ball screw pair |
| CN103389205B (en) * | 2013-07-17 | 2016-01-13 | 西安交通大学 | A kind of device detecting combination property under ball screw assembly, stress state |
| CN104122087A (en) * | 2014-08-15 | 2014-10-29 | 上海理工大学 | Ball screw performance experiment table driven by linear motor |
| CN104266837A (en) * | 2014-10-08 | 2015-01-07 | 上海理工大学 | Ball screw performance testing testbed based on motor servo loading |
| CN105372061A (en) * | 2015-11-13 | 2016-03-02 | 东南大学 | Ball screw pair axial loading device |
| KR101684656B1 (en) * | 2015-11-20 | 2016-12-09 | (주)한국항공기술 | Testing device for ball screw of landing gear for military aircraft |
| CN206601246U (en) * | 2017-03-22 | 2017-10-31 | 天津大学 | A kind of test platform for studying single shaft resetting error mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686585A (en) * | 2019-09-12 | 2020-01-14 | 天津大学 | Assembly method for inhibiting repeated positioning errors of linear shaft of precision machine tool |
| CN114624013A (en) * | 2022-03-17 | 2022-06-14 | 清华大学 | Pre-tightening force adjusting and dragging force testing device for rolling linear guide rail pair |
| CN114624013B (en) * | 2022-03-17 | 2023-03-10 | 清华大学 | Pre-tightening force adjusting and dragging force testing device for rolling linear guide rail pair |
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