CN110108484A - A kind of device and its detection method detecting ball-screw rolling pair motion state - Google Patents
A kind of device and its detection method detecting ball-screw rolling pair motion state Download PDFInfo
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- CN110108484A CN110108484A CN201910433507.9A CN201910433507A CN110108484A CN 110108484 A CN110108484 A CN 110108484A CN 201910433507 A CN201910433507 A CN 201910433507A CN 110108484 A CN110108484 A CN 110108484A
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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
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
Abstract
The invention discloses a kind of devices and its detection method for detecting ball-screw rolling pair motion state, complexity is but difficult to the problem for directly measuring or observing in the form of ball moving in very good solution ball-screw, since ball is by a certain proportion of amplification, analysis result is applied to that corresponding conversion should be done when actual size ball, it can solve rolling element forms of motion and external applied load by the test of different operating conditions, pretightning force grade, the speed of service, lubricating condition, ball-returning device curve, the relationship of ball material and process for surface coating, rolling-sliding caused by the forms of motion of rolling element may further be solved to the actuating quantity of abrasion, detection method proposed by the present invention can be with effective solution rolling condition to the affecting laws of ball screw assembly, performance, it is of great significance to research and development high performance precision ball screw assembly,.
Description
Technical field
The present invention relates to accurate digital control manufacturing technology field more particularly to a kind of detection ball-screw rolling pair motion states
Device and its detection method.
Background technique
Main movement and positioning element of the ball screw assembly, as precise numerical control machine, precision deterioration law and friction/
The rule of abrasion decides the superiority and inferiority of precision machine tool processing performance.As China manufactures being done step-by-step for big country and manufacturing power,
The machining accuracy performance of this manufacturing equipment of an urgent demand precise numerical control machine is improved largely.Domestic development and the essence produced
Close lathe ball screw assembly, is compared with same kind of products at abroad in terms of precision property, dynamic characteristic, friction, wear degradation and is in
Disadvantage situation.Its these above-mentioned performance in addition to and manufacturing process have it is also related with to the shortcoming of fundamental research outside the Pass.It is accurate
Ball screw assembly, precision property, dynamic characteristic, friction, the wear degradation the problems such as with fortune of the rolling movement pair under specific operation
Compared with dynamic form has extremely close relationship, rolling element to move between raceway and be with the relative motion relation that raceway generates
Complicated.And the ball inside rolling guide-rail pairs cannot be directly observed, which limits to rolling element forms of motion
Intuitive research.In order to which theoretical analysis result and actual conditions can accurately compare, the invention proposes a kind of detection rollings
The device and analysis method of ballscrew rolling pair motion state, use the ball screw assembly, of amplification for research object, set in nut
It is equipped with the ball of three column circulation, and the point light source of visible light is installed on individual balls in each column, for the intuitive sight of naked eyes
Examine the accurate detection with optical instrument to ball moving state.The invention experimental rig can simulate practical ball screw assembly, positioning
Rolling element motion conditions in the case of state and pre-add axial direction load, and propose specific analysis of experiments and test method.This hair
Bright device can detecte different materials, different-diameter size rolling element in nut and turning ball-returning device in two positions
Forms of motion.Rolling element can be studied under the operating condition under different linear speeds, different pressured states respectively to roll in spiral shape
The form rolled in road and S-shaped ball-returning device raceway studies rolling problem of the ball in ball-returning device to the noise of ball screw assembly,
Control plays a significant role.
The present invention proposes and devises a kind of device and analysis method for detecting ball-screw rolling pair motion state, uses
Advanced optical detective technology and effective test method, for studying the movement of the ball in ball screw assembly, under different operating conditions
Form.Basic research is carried out to improve the performance of precise ball screw pair.
Summary of the invention
The object of the present invention is to provide a kind of devices for detecting ball-screw rolling pair motion state, solve the problems, such as.
In order to solve the above technical problems, the present invention adopts the following technical scheme:
A kind of device detecting ball-screw rolling pair motion state: including bottom plate pedestal, the bottom plate pedestal is along its length
The two sides in degree direction are respectively arranged with positioning guide rail raceway, are separately installed with guide rail slide block on two guide rail raceways, described
The nut of the fixed ball-screw of guide rail slide block, the nut include upper and lower two parts, and middle and upper part is divided into transparent material can be with
Using synthetic quartz or high-strength transparence resin, lower part is made of metal material and, the spiral shell rigidly connected with upper part
Female lower half portion is connected to a fixed with guide rail slide block, and at least one annular ball road, each are offered in the nut
Annular ball road be it is closed, ring roll inside ball can circular flow, it is described annular ball road bending section
It is divided into ball-returning device 10, the effect of ball-returning device 10 is to maintain to turn again to when ball rolls a lead in a certain track and set out
Point is maintained at the rolling recycled in the same annular ball road, has certain amount same diameter in the annular ball road
Ball, wherein be respectively arranged in each raceway at least one have light emitting source ball 9；
The nut can move back and forth on two positioning guide rail raceways, and motion range is limited by limit switch
It is fixed, it is respectively mounted with ball-bearing housing at the both ends of the ball-screw, for positioning to ball-screw, in bottom plate pedestal
The two sides of width direction are respectively equipped with left baffle and right baffle, and the left baffle and right baffle is fixed on bottom plate pedestal 2, described
The spring of certain coefficient of elasticity is separately installed between left baffle and right baffle and nut；When the nut is located in bottom plate pedestal
Between position when, two sides spring stress is zero, and when leftward position among nut is located at bottom plate pedestal, nut is by left side spring
Thrust and right side spring pulling force, nut totality stress is constant spring force to the right；When nut is located at bottom plate pedestal intermediate right
When side position, for nut by the pulling force of left side spring and the thrust of right side spring, nut totality stress is constant spring force to the left；
Ball-screw is driven by stepper motor or servomotor by reduction gearing and gear, the revolving speed of ball-screw
It is controlled by stepper motor or servomotor；Stepper motor or servomotor are mounted on the base, and pedestal is fixed on bottom
On plate pedestal.
Further, the transparent material that the upper part of the nut uses is with synthetic quartz or high-strength transparence tree
Rouge.
Further, the lower half portion of the nut is connected by bolt with guide rail slide block.
Further, 2 guide rail slide blocks are separately installed on two guide rail raceways, 4 guide rail slide blocks are solid
Determine the nut of ball-screw.
Further, being detected rolling element is spherical shape, and the size of the spherical diameter is the multiple of true ball.
Further, the size of the spherical diameter is 5-10 times of true ball.
Further, two positioning guide rail raceways are four column rolling ball linear slide rails or are roller linear slide rail.
A kind of detection method for the device detecting ball-screw rolling pair motion state, comprising:
S1 finally guarantees the depth of parallelism for after experimental provision installation and debugging, checking double guide rails according to the structure of device
The nut of ball-screw can be moved back and forth smoothly along two-orbit, be arranged stepper motor or servomotor make nut by
A period of time is run according to certain speed running-in, to carry out the abrasion running-in at testing stand initial stage；Experimental stage be divided to two regions into
Row, first region are tested for nut in bottom plate base central left area, and nut is by constant bullet to the right at this time
The effect of spring force；Two Areas is tested for nut in bottom plate base central right area, and nut is by constant at this time
The effect of spring force to the left；And detect the ball moving situation of three raceways in nut simultaneously in test procedure below,
It is compared；
The revolving speed of stepper motor is set to different numerical value by S2, carries out the test work of friction speed state respectively
Make, tests the ball under Ultra-Low Speed, creep speed, nominal operation speed, fast state, inverted running respectively in spiral rolling track
On motion state；
Test ball is in the meaning of lead screw Ultra-Low Speed rotation operating status, considers fine motion friction or creep friction shape
The size and Orientation of the spin motion of the ball of state studies the ball moving state under lower-speed state to spiral rolling kinematic pair
Interface friction characteristics have basic meaning；
It tests ball and is that ball is along helical orbit under rated condition in the meaning of nominal operation speed operating status
Motion state is the basis of rolling movement pair abrasion, the normal speed operation phase be roll by-produced abrasion primarily form rank
Section, and the variability of ball moving form and complexity have a very big impact the formation of abrasion, can be examined by the device
Measure the size of the slippage and rolling amount under ball nominal operation speed；
Test ball is that the movement velocity of ball is remote under the conditions of workbench high-speed cruising in the meaning of high-speed cruising state
Greater than nominal operating conditions, since the diameter of practical ball is smaller, the running speed of ball can reach quite high numerical value, rolling
The slippage of pearl can dramatically increase, in order to which the clearer slippage for quantitatively calculating ball must specify the high-speed motion shape of ball
State；By transparent nut carry out observation can be clearly seen that sliding block high-speed cruising when, the rolling and sliding of the ball being amplified
Situation and ball spin direction；
When the unexpected inverted running of test slider, test slider is anti-suddenly to be to the meaning of the detection of ball moving state
To the variation of ball moving state when operation and the size of spinor；
S3, the ball tested under Ultra-Low Speed, creep speed, nominal operation speed, fast state, inverted running respectively exist
Motion state in ball-returning device；Movement of the ball in ball-returning device is the main source of ball screw assembly, noise, can use S2
Method test the ball under Ultra-Low Speed, creep speed, nominal operation speed fast state, inverted running respectively in ball-returning device
Interior motion state；
S4 detects ball from static to the hysteresis of the ball under starting state by optical detecting instrument, ball
Startup hysteresis amount has basic role to the friction of research rolling movement pair, wearing character；
S5 detects motion conditions of the ball under different level load condition by optical detecting instrument, and horizontal load is logical
It crosses four springs to apply, the coefficient of elasticity of spring can be born according to requiring to be replaced to detect ball-screw in different level
The change situation for carrying the motion state of lower ball, to the detection of ball spinor to research rolling movement pair under especially loading
Friction, wearing character play a significant role.
Further, stepper motor or servomotor, which is arranged, makes nut run one section according to the speed running-in of 10mm/s
Time.
Compared with prior art, advantageous effects of the invention:
Experimental rig of the present invention can bear larger preloading using double guideways linear motion frameworks, two guideways utilizations
The four column roller guide pairs of lotus and greater level rigidity.Tested ball-screw and nut are exaggerated certain multiple.It is amplified
Ball rolled in the raceway being amplified, can more clearly observe its motion mode, while also installing on certain balls
There is light emitting source, to accurately detect using optical instrument to light source.Nut is divided into the top part and the bottom part point, is rolled comprising ball annular
The upper layer of pearl raceway is made of transparent material, and the lower layer connecting with line slideway auxiliary is made of metal.Transparent annular rolling
Motion detection is carried out to rolling element to the person of facilitating look at and optical instrument.Ball-screw is by stepping motor or servo-electric
Machine drives lead screw to be rotated by reduction gearing, and the time of the speed of lead screw rotary motion and starting, stopping can be with
It is configured and is changed by control panel.It is operated under unused speed to investigate nut, the motion state of ball.Nut
Two sides are symmetrically arranged with the spring of certain coefficient of elasticity, and matched spring can be adjusted according to the model of experiment condition and tested ball
It changes, is located at the axial load that nut is born under actual condition to simulate.
Apparatus of the present invention can be very good to solve ball moving form complexity in ball-screw and but be difficult to directly measure or see
The problem of survey should be done when analyzing result applied to actual size ball and change accordingly since ball is by a certain proportion of amplification
It calculates.By the test of above-mentioned different operating conditions can solve rolling element forms of motion and external applied load, pretightning force grade, the speed of service,
The relationship of lubricating condition, ball-returning device curve, ball material and process for surface coating may further solve the movement shape of rolling element
To the actuating quantity of abrasion, test method proposed by the present invention can be with effective solution rolling condition pair for rolling-sliding caused by formula
The affecting laws of ball screw assembly, performance are of great significance to research and development high performance precision ball screw assembly,.
Detailed description of the invention
The invention will be further described for explanation with reference to the accompanying drawing.
Fig. 1 is main view of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the rearview of Fig. 1；
Fig. 4 is Fig. 1 without spring view；
Fig. 5 is the left view of Fig. 1；
Fig. 6 is the right view of Fig. 1；
Fig. 7 is nut interior roller path structure figure；
Description of symbols: 1- pedestal；2- bottom plate pedestal；3- bolt；The first ball-bearing housing of 4-；5- limit switch；6-
Positioning guide rail raceway；7- ball-screw；8- stepper motor or servomotor；9- ball；10- ball-returning device；11- nut；12-
Reduction gearing；13- gear；14- guide rail slide block；The second ball-bearing housing of 15-；16- spring；17- right baffle-plate；18- right shell body.
Specific embodiment
As shown in Fig. 1 to 7, a kind of device detecting ball-screw rolling pair motion state, the bottom plate pedestal including steel
2, other devices are installed on bottom plate pedestal 2.Two positioning guide rail raceways 6 are located at two long sides of bottom plate pedestal 2
Edge, i.e., two sides along its length.Installation is there are two guide rail slide block 14 on every guide rail raceway 6, totally four guide rail slide blocks
14.Guide rail slide block 14 uses four column roller guide fit forms, and the nut 11 of tested ball-screw 7 is fixed on sliding block 6.Spiral shell
Mother 11 is divide into upper part and lower part, and top is divided into transparent material, and using synthetic quartz or high-strength transparence resin, lower part is by gold
Belong to material to be made and rigidly connected with upper part.The lower half portion of nut 11 is connected by bolt 3 with guide rail slide block 14.Nut
Offer three annular ball roads in 11 altogether, each annular ball road be all it is closed, in the ball of ring roll inside
It is circular flow, the bending part of annular ball road is ball-returning device 10, and the effect of ball-returning device 10 is to maintain ball a certain
Starting point is turned again to when rolling a lead in track, is maintained at the rolling recycled in the same annular ball road.Annular
There is the ball of certain amount same diameter in ball road, including the tested ball 9 for having light emitting source, in three raceways
In one or more (such as 2,3,4,5) balls 9 are respectively set.The lead of ball-screw 7 can be adjusted according to actual needs,
After lead adjustment, the guide groove of nut 11 and the diameter of ball 9 are also changed accordingly.Nut 11 can be in two roller guides
Upper reciprocating motion, motion range are limited by limit switch 5.It is mounted with the first ball bearing respectively at the both ends of ball-screw 7
Seat 4 and the second ball-bearing housing 15, for positioning to ball-screw 7, and guarantee that it only retains the freedom rotated about the axis
Degree.It is respectively equipped with right baffle-plate 17 and right shell body 18 in the short side two sides of testing stand, right baffle-plate 17 and right shell body 18 are fixed on bottom
On plate pedestal 2.The spring 16 that certain coefficient of elasticity is installed among right baffle-plate 17 and right shell body 18 and nut 11 (can be according to need
Replace the spring of different coefficient of elasticity).There are four roots altogether for spring 16, are symmetrically placed on position shown in Fig. 2.When nut 11
When positioned at bottom plate 2 middle position of pedestal, two lateral springs, 16 stress is zero.When nut 11 is located at the intermediate left lateral position of bottom plate pedestal 2
When setting, for nut 11 by the thrust of left side spring and the pulling force of right side spring, the overall stress of nut 11 is constant bullet to the right
Power.When nut 11 is located at 2 right middle position of bottom plate pedestal, nut 11 is by the pulling force of left side spring and pushing away for right side spring
Power, the overall stress of nut 11 are constant spring force to the left.Ball-screw 7 is by stepper motor or servomotor 8 by subtracting
Fast gear 12 and gear 13 drive.The revolving speed of ball-screw 7 is controlled by stepper motor or servomotor 8.Pass through motor
Control, tested ball-screw 7 can carry out the motion state of test ball under simple tension and pure thrust.Stepper motor 8 is pacified
On pedestal 1.Pedestal 1 is fixed on bottom plate pedestal 2.
The specific detection method and process of apparatus of the present invention are as follows:
S1 finally protects the depth of parallelism for after experimental provision installation and debugging, checking double guide rails according to described structure
The nut for demonstrate,proving tested ball-screw can be moved back and forth smoothly along two-orbit.According to the speed of sliding block speed 10mm/s per second
Stepper motor or servomotor, operation a period of time, to carry out the abrasion running-in at testing stand initial stage are set.
The revolving speed of stepper motor is set to different numerical value after completing S1 by S2, carries out different conditions respectively
Test.The ball under Ultra-Low Speed, creep speed, nominal operation speed, fast state, inverted running is tested respectively in spiral
Motion state on raceway.
Test ball is in the meaning of lead screw Ultra-Low Speed rotation operating status, considers fine motion friction or creep friction shape
The size and Orientation of the spin motion of the ball of state.The ball moving state under lower-speed state is studied to spiral rolling kinematic pair
Interface friction characteristics have basic meaning.
It tests ball and is that ball is along helical orbit under rated condition in the meaning of nominal operation speed operating status
Motion state is the basis of rolling movement pair abrasion.The normal speed operation phase be roll by-produced abrasion primarily form rank
Section.And the variability of ball moving form and complexity have a very big impact the formation of abrasion.Device can through the invention
To detect the size of slippage and rolling amount under ball general work speed.
Test ball is that the movement velocity of ball is remote under the conditions of workbench high-speed cruising in the meaning of high-speed cruising state
Greater than nominal operating conditions, since the diameter of practical ball is smaller, the running speed of ball can reach quite high numerical value.Rolling
The slippage of pearl can dramatically increase, in order to which the clearer slippage for quantitatively calculating ball must specify the high-speed motion shape of ball
State.When testing stand of the present invention can be clearly seen that sliding block high-speed cruising by observation panel, the rolling and cunning of the ball being amplified
Condition of shifting one's love and ball spin direction.
When the unexpected inverted running of test slider, test slider is anti-suddenly to be to the meaning of the detection of ball moving state
To the variation of ball moving state when operation and the size of spinor.
S3, the ball tested under Ultra-Low Speed, creep speed, nominal operation speed, fast state, inverted running respectively exist
Motion state in ball-returning device.Movement of the ball in ball-returning device is the main source of guideway noise, can use second step
Method test the ball under Ultra-Low Speed, creep speed, nominal operation speed fast state, inverted running respectively in ball-returning device
Interior motion state.
S4 detects ball from static to the hysteresis of the ball under starting state by optical detecting instrument, ball
Startup hysteresis amount has basic role to the friction of research rolling movement pair, wearing character.
It is logical to detect motion conditions horizontal load of the ball under different level load condition by optical detecting instrument by S5
It crosses four springs to apply, the coefficient of elasticity of spring can be born according to requiring to be replaced to detect ball-screw in different level
Carry the change situation of the motion state of lower ball, especially to the detection of ball spinor to the friction of research rolling movement pair,
Wearing character plays a significant role.
Embodiment described above is only that preferred embodiment of the invention is described, and is not carried out to the scope of the present invention
It limits, without departing from the spirit of the design of the present invention, those of ordinary skill in the art make technical solution of the present invention
Various changes and improvements, should all fall into claims of the present invention determine protection scope in.
Claims (9)
1. a kind of device for detecting ball-screw rolling pair motion state, it is characterised in that: including bottom plate pedestal, the bottom plate base
The two sides of seat along its length are respectively arranged with positioning guide rail raceway, and it is sliding that guide rail is separately installed on two guide rail raceways
Block, the nut of the fixed ball-screw of the guide rail slide block, the nut includes upper and lower two parts, and middle and upper part is divided into transparent
Material can be used synthetic quartz or high-strength transparence resin, lower part be made of metal material and with upper part rigid phase
Even, lower half portion and the guide rail slide block of the nut are connected to a fixed, and at least one annular ball rolling is offered in the nut
Road, each annular ball road be it is closed, ring roll inside ball can circular flow, it is described annular ball road
Bending part be ball-returning device, the effect of ball-returning device is to maintain when ball rolls a lead in a certain track and turns again to out
Point is sent out, the rolling recycled in the same annular ball road is maintained at, has certain amount identical straight in the annular ball road
The ball of diameter, wherein at least one ball for having light emitting source is respectively arranged in each raceway；
The nut can move back and forth on two positioning guide rail raceways, and motion range is limited by limit switch,
It is respectively mounted with ball-bearing housing at the both ends of the ball-screw, for positioning to ball-screw, in the width of bottom plate pedestal
The two sides in degree direction are respectively equipped with left baffle and right baffle, and the left baffle and right baffle is fixed on bottom plate pedestal, on the left side
The spring of certain coefficient of elasticity is separately installed between baffle and right shell body and nut；When the nut is located among bottom plate pedestal
When position, two sides spring stress is zero, and when nut is located at bottom plate pedestal centre leftward position, nut is by left side spring
The pulling force of thrust and right side spring, nut totality stress are constant spring force to the right；When nut is located at bottom plate base right middle position
When setting, for nut by the pulling force of left side spring and the thrust of right side spring, nut totality stress is constant spring force to the left；
Ball-screw is driven by stepper motor or servomotor by reduction gearing and gear, and the revolving speed of ball-screw is by step
It is controlled into motor or servomotor；Stepper motor or servomotor are mounted on the base, and pedestal is fixed on bottom plate base
On seat.
2. the device of detection ball-screw rolling pair motion state according to claim 1, it is characterised in that: the nut
The transparent material that uses of upper part for synthetic quartz or high-strength transparence resin.
3. the device of detection ball-screw rolling pair motion state according to claim 1, it is characterised in that: the nut
Lower half portion be connected by bolt with guide rail slide block.
4. the device of detection ball-screw rolling pair motion state according to claim 1, it is characterised in that: described in two
2 guide rail slide blocks, the nut of the fixed ball-screw of 4 guide rail slide blocks are separately installed on guide rail raceway.
5. the device of detection ball-screw rolling pair motion state according to claim 1, it is characterised in that: be detected rolling
Kinetoplast is spherical shape, and the size of the spherical diameter is the multiple of true ball.
6. the device of detection ball-screw rolling pair motion state according to claim 5, it is characterised in that: the spherical shape is straight
The size of diameter is 5-10 times of true ball.
7. the device of detection ball-screw rolling pair motion state according to claim 1, it is characterised in that: two positioning
Guide rail raceway is four column rolling ball linear slide rails or is roller linear slide rail.
8. a kind of detection method for the device for detecting ball-screw rolling pair motion state characterized by comprising
The depth of parallelism for after experimental provision installation and debugging, checking double guide rails is finally guaranteed ball according to the structure of device by S1
The nut of lead screw can be moved back and forth smoothly along two-orbit, and stepper motor or servomotor, which is arranged, makes nut according to one
Operation a period of time is closed in steady running, to carry out the abrasion running-in at testing stand initial stage；Experimental stage is divided to two regions to carry out, the
One region is tested for nut in bottom plate base central left area, and nut is by constant spring force to the right at this time
Effect；Two Areas is tested in bottom plate base central right area for nut, at this time nut by it is constant to the left
Spring force effect；And detect the ball moving situation of three raceways in nut simultaneously in test procedure below, it carries out
Compare analysis；
The revolving speed of stepper motor is set to different numerical value by S2, carries out the test job of friction speed state respectively, point
It Ce Shi not be in the ball under Ultra-Low Speed, creep speed, nominal operation speed, fast state, inverted running on spiral rolling track
Motion state；
Test ball is in the meaning of lead screw Ultra-Low Speed rotation operating status, considers fine motion friction or creep Frotteurism
The size and Orientation of the spin motion of ball studies the ball moving state under lower-speed state to the interface of spiral rolling kinematic pair
Frictional behavior has basic meaning；
It tests ball to be in the meaning of nominal operation speed operating status, movement of the ball along helical orbit under rated condition
State is the basis of rolling movement pair abrasion, the normal speed operation phase be roll by-produced abrasion primarily form the stage,
And the variability of ball moving form and complexity have a very big impact the formation of abrasion, can detecte by the device
The size of slippage and rolling amount under ball nominal operation speed；
Test ball is that the movement velocity of ball is much larger than under the conditions of workbench high-speed cruising in the meaning of high-speed cruising state
Nominal operating conditions, since the diameter of practical ball is smaller, the running speed of ball can reach quite high numerical value, ball
Slippage can dramatically increase, in order to which the clearer slippage for quantitatively calculating ball must specify the high-speed motion state of ball；
When carrying out observation by transparent nut and can be clearly seen that sliding block high-speed cruising, the rolling of the ball being amplified and sliding situation
With ball spin direction；
When the unexpected inverted running of test slider, the meaning of the detection of ball moving state is, test slider is reversely transported suddenly
The variation of ball moving state when row and the size of spinor；
S3 tests the ball under Ultra-Low Speed, creep speed, nominal operation speed, fast state, inverted running in Hui Zhu respectively
Motion state in device；Movement of the ball in ball-returning device is the main source of ball screw assembly, noise, can use the side of S2
Method tests the ball under Ultra-Low Speed, creep speed, nominal operation speed fast state, inverted running in ball-returning device respectively
Motion state；
S4 detects ball from static to the hysteresis of the ball under starting state, the starting of ball by optical detecting instrument
Hysteresis has basic role to the friction of research rolling movement pair, wearing character；
S5 detects motion conditions of the ball under different level load condition by optical detecting instrument, and horizontal load passes through four
A spring applies, and the coefficient of elasticity of spring can be according to requiring to be replaced, to detect ball-screw under different level load
The change situation of the motion state of ball rubs to the detection of ball spinor to research rolling movement pair under especially loading
It wipes, wearing character plays a significant role.
9. detection method according to claim 8, which is characterized in that setting stepper motor or servomotor make nut
A period of time is run according to the speed running-in of 10mm/s.
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| CN201910433507.9A CN110108484B (en) | 2019-05-23 | 2019-05-23 | Device and method for detecting motion state of ball screw rolling pair |
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| CN201910433507.9A CN110108484B (en) | 2019-05-23 | 2019-05-23 | Device and method for detecting motion state of ball screw rolling pair |
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| CN110108484B CN110108484B (en) | 2021-01-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532853A (en) * | 2021-09-17 | 2021-10-22 | 启东市万润机床附件有限公司 | Ball transmission part detection experimental device |
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