CN106625021A - Loading device and loading method for testing reliability of electric spindle - Google Patents
Loading device and loading method for testing reliability of electric spindle Download PDFInfo
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- CN106625021A CN106625021A CN201710165111.1A CN201710165111A CN106625021A CN 106625021 A CN106625021 A CN 106625021A CN 201710165111 A CN201710165111 A CN 201710165111A CN 106625021 A CN106625021 A CN 106625021A
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- push rod
- electro spindle
- bar support
- pusher bar
- load
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/007—Arrangements for observing, indicating or measuring on machine tools for managing machine functions not concerning the tool
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention belongs to the technical field of testing of mechanical equipment reliability, and particularly relates to a loading device and a loading method for testing reliability of an electric spindle. The loading device provided by the invention comprises a push rod bracket capable of being fixedly mounted on a work table of a machine tool, a fastening slide block capable of being fixedly arranged on a surface of the push rod bracket through a locking member, a push rod used for applying load to a loading rod on an electric spindle, a loader capable of sleeving an outer surface of the push rod, and a bearing seat used for sleeving one end of the loading rod, wherein one end of the push rod is pivotably connected to the outer surface of the bearing seat; the other end of the push rod can be connected with the locking member. The loading device and the method provided by the invention can be used to effectively simulate influence of radial force and axial force on the electric spindle; the loading device integrally adopts a mechanical structure, is convenient to use, and is beneficial for improving reliability of research on reliability of the electric spindle.
Description
Technical field
The invention belongs to reliability of mechanical equipment technical field of measurement and test, and in particular to one kind is used for electro spindle reliability testing
Charger and loading method.
Background technology
Electro spindle is that, using one of core functional components of Digit Control Machine Tool of High-speed Machining Technology, its major function is to realize
The cutting movement of lathe.It unites two into one machine tool chief axis with motor shaft, realizes " Zero-drive Chain " of main motion system.It is this
" Zero-drive Chain " is not only provided with electro spindle, and compact conformation, rotating speed are high, it is excellent to be easy to balance, transmission efficiency and accurate positioning etc.
Point, and transmission and the structure of lathe are also simplify, dynamic sensitivity, machining accuracy and the functional reliability of lathe are improve,
Requirement when meeting high-speed cutting to lathe " high speed, high accuracy, high reliability and small vibration ".As high-speed machining center
Most critical part, its performance quality determines to a great extent the machining accuracy and production efficiency of whole high-speed machine tool, and
The reliability of electro spindle is even more and embodies whole lathe availability in process of production.
At present, research of the domestic research institution to electro spindle rests on dry run or static force test mostly, can not
Real working condition when reduction electro spindle normally cuts, therefore be also limited for research improves the help of electro spindle reliability.
On the other hand, in the charger of existing electro spindle, based on electromagnetic loading device, requisite space is big, and high cost, structure is multiple
It is miscellaneous, load difficulty under debugging difficulty and fast state big.
The content of the invention
For the technical problem with present on, the present invention proposes a kind of charger for electro spindle reliability testing
And loading method, by using the charger and loading method for electro spindle reliability testing of the present invention, can
Impact of the radial load and axial force effectively under simulation work of numerical control machine state to electro spindle, and charger integrally adopts
Frame for movement, simple structure is easy to use, is conducive to improving the reliability to electro spindle reliability consideration.
Charger for electro spindle reliability testing of the present invention, including：
Pusher bar support, the pusher bar support can be fixedly installed on platen, for whole to the charger
Body is positioned and adjusted；
Fastening slide block, the fastening slide block can be fixed at the surface of the pusher bar support by locking member, and described
Fastening slide block can continuously be moved by the regulation of the locking member along the pusher bar support surface；
Push rod, for the load bar imposed load on the electro spindle；
Loader, for adjusting the load that the push rod is applied to the load bar on the electro spindle, the loader
The outer surface of the push rod can be sheathed on, its one end can be fixed on the pusher bar support, and the other end can be fixed and set
In the outer surface of the push rod；
Bearing block, the bearing block can be sheathed on one end of the load bar, be internally provided with bearing；
One end of the push rod can be connected pivotally to the outer surface of the bearing block, and the other end of the push rod can
It is connected with the locking member, the push rod can be moved axially along the locking member and rotated around the locking member,
The pivot angle of the push rod can be adjusted in the position of the pusher bar support outer surface by adjusting the fastening slide block, by adjusting
The loader can control imposed load of the push rod to the load bar.
Further, the inside of the pusher bar support is hollow-core construction, and the pusher bar support is connected with the loader
Side be provided with 1/4 section of arc-shaped rail, the side that the pusher bar support is located with 1/4 section of arc-shaped rail is perpendicular
1/4 section of arc-shaped slot pass is respectively equipped with two sides, the locking member can pass through 1/4 section of circular arc of two sides to lead to
Groove, and the fastening slide block is fixed at into the surface of the pusher bar support.
Further, one end that the push rod is connected with the locking member is being leaned on located at the inside of the pusher bar support
The position of the nearly push rod end is provided with slotted hole, and the slotted hole runs through the push rod surface, and the locking member can be passed through
The slotted hole is simultaneously positioned by the slotted hole to the push rod.
Further, the loader includes loading nut, spring and spring stop, and the spring stop is fixed and fitted in
On the pusher bar support, the loading nut is fixed on the outer surface of the push rod, by adjusting the loading nut energy
Enough change the stroke of the spring.
Further, the charger also includes base, and the pusher bar support can be rotatably arranged on the base,
The base is fixed on the table surface.
Further, the locking member includes wing nut and the screw being threaded connection, and the wing nut is located at
On one side of the pusher bar support, the screw can pass through 1/4 section of arc-shaped slot pass of the pusher bar support two sides
And be connected with the fastening slide block, the fastening slide block is fixed at into the surface of the pusher bar support.
Further, the bearing in the bearing block is angular contact ball bearing.
Further, the push rod is rotatably arranged in the outer surface of the bearing block by bearing pin.
Loading method of the present invention, including following steps：
Fixed pusher bar support：The position of the pusher bar support is adjusted, and is fixed on the platen；
Load bar is installed：The load bar is fixed on by the electricity by the handle of a knife and collet chuck on the electro spindle main
On axle；
Determine the pivot angle of push rod and the imposed load of loader：Determined by electro spindle loading spectrum and held needed for the electro spindle
The radial load received and the size of axial force, by the size of the radial load and axial force making a concerted effort suffered by the electro spindle is calculated
Size and make a concerted effort and the angle between the axis of the electro spindle, pivot angle and the loading of the push rod are determined according to result of calculation
The imposed load of device；
The pivot angle of adjustment push rod and the imposed load of loader：The push rod is adjusted to horizontal level, and the loader
In the raw, between each parts in loader inside without interaction force, according to determination after the push rod pivot angle
And the imposed load of loader, make the push rod adjust the swash angle position to calculating by the movement fastening slide block, screw
The locking member, by the fastening slide block pusher bar support surface is fixed on, and adjusts the imposed load of the loader；
Parameter acquisition：The electro spindle is controlled with certain rotational speed, the platen is with the electro spindle
Axis moves in a circle for axis, and by acquisition system the performance parameter of the electro spindle is gathered.
Further, it is described by adjustment during the pivot angle of adjustment push rod and the imposed load of loader
The loading nut of push rod outer surface can adjust the stroke of the spring, and the applying for adjusting the loader is carried
Lotus.
Can be effective by using the charger and loading method for electro spindle reliability testing of the present invention
Impact of the radial load and axial force under simulation work of numerical control machine state to electro spindle, and charger is integrally using machinery
Structure, simple structure is easy to use, is conducive to improving the reliability to electro spindle reliability consideration.
By arranging 1/4 section of circular arc groove on the pusher bar support, the locking member can continuously in 1/4 section of circular arc
Inside move, so as to meet the push rod to the sustained load in 0-90 ° of angular range of the electro spindle, meanwhile, with work
Make rotation of the platform around 0-360 ° of main shaft, the load from each angle being subject under the electro spindle actual condition can be met, have
The actual condition of the simulation electro spindle of effect.
Description of the drawings
By the detailed description for reading hereafter preferred embodiment, various other advantages and benefit is common for this area
Technical staff will be clear from understanding.Accompanying drawing is only used for illustrating the purpose of preferred embodiment, and is not considered as to the present invention
Restriction.And in whole accompanying drawing, it is denoted by the same reference numerals identical part.In the accompanying drawings：
Fig. 1 is the schematic diagram of mechanism of charger embodiment of the present invention；
Fig. 2 is power exploded view when embodiment is loaded in Fig. 1；
Fig. 3 is the side structure schematic diagram of embodiment in Fig. 1；
Fig. 4 is the sectional view of the side structure of embodiment in Fig. 3；
Fig. 5 is the enlarged drawing in the I portions of embodiment in Fig. 4；
Fig. 6 is the flow chart of loading method of the present invention.
Each mark is expressed as follows in accompanying drawing：
11：Pusher bar support, 12：Fastening slide block, 13：Loader, 14：Push rod, 15：Bearing block, 16：Base, 17：Loading
Bar, 18：Wing nut；
131：Loading nut, 132：Spring, 133：Spring stop；
21：Electro spindle, 22：Platen, 23：T-bolt.
Specific embodiment
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in accompanying drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure and the reality that should not be illustrated here
The mode of applying is limited.On the contrary, there is provided these embodiments are able to be best understood from the disclosure, and can be by this public affairs
The scope opened it is complete convey to those skilled in the art.
Fig. 1 is the schematic diagram of mechanism of charger embodiment of the present invention.As shown in figure 1, described can for electro spindle
Include pusher bar support 11, fastening slide block 12, push rod 14, loader 13 and bearing block 15 by the charger of property test.Wherein, push away
Bar support 11 can be fixedly installed on platen 22, for charger integrally to be positioned and adjusted.Fastening is slided
Block 12 can be fixed at the surface of pusher bar support 11 by locking member, and fastening slide block 12 can pass through the regulation edge of locking member
Continuously move on the surface of pusher bar support 11.Push rod 14 is used for the imposed load of load bar 17 on electro spindle 21.Loader 13 is used for
Adjust the load that push rod 14 is applied to the load bar 17 on electro spindle 21.Loader 13 can be sheathed on the appearance of push rod 14
Face, its one end can be fixed on pusher bar support 11, and the other end can be fixed at the outer surface of push rod 14.Bearing block 15 is used
In the one end for being sheathed on load bar 17, bearing is internally provided with.One end of push rod 14 can be connected pivotally to bearing block 15
Outer surface, the other end of push rod 14 can be connected with locking member, and push rod 14 can be moved axially and around locking along locking member
Part is rotated, and the pivot angle of push rod 14 can be adjusted in the position of the outer surface of pusher bar support 11 by adjustment fastening slide block 12, is led to
Overregulating loader 13 can control loaded load of the push rod 14 to load bar 17.
When needing to change push rod 14 to the loaded load of load bar 17, by adjusting loader 13, change the He of push rod 14
Active force between pusher bar support 11, so as to change loaded load of the push rod 14 to load bar 17.When loader 13 is adjusted, need to carry
Before screw locking member, the movement of anti-throw-out lever 14, due to the effect of active force, push rod 14 can in axial direction occur small shape
Become.
Further, the inside of pusher bar support 11 is hollow-core construction, and the side being connected with loader 13 is provided with 1/4 section of circle
Arc-shaped guide rail, on the two sides perpendicular with the side that 1/4 section of arc-shaped rail is located 1/4 section of arc-shaped slot pass is respectively equipped with,
Locking member can pass through 1/4 section of arc-shaped slot pass of two sides, and fastening slide block 12 is fixed at into the surface of pusher bar support 11.
Further, one end that push rod 14 is connected with locking member is located at the inside of pusher bar support 11, and near push rod 14
The position of end is provided with slotted hole, and, through the surface of push rod 14, locking member can be through slotted hole and by slotted hole for slotted hole
Push rod 14 is positioned.
Load bar 17 is fixed on electro spindle 21 by handle of a knife and collet chuck, by the imposed load of load bar 17 so as to
Conduct to electro spindle 21, it is load simulated under completing to the normal operating conditions of electro spindle 21.
By on numerically controlled machine 22 install pusher bar support 11, with loader 13 apply power as loaded load,
Using 1/4 section of arc-shaped rail on pusher bar support 11, pusher bar support 11 combines on platen 22 360 ° of rotations, half
Big I continually varying load is applied to electro spindle 21 on any direction in the range of ball, the radial load to electro spindle 21 is capable of achieving
Load with while axial force, so as on the basis of the rotating speed of electro spindle 21 is changed, under simulating electro spindle 21 certain actual condition
Loading conditions.In addition, the translation using numerically controlled machine 22 can carry out mould to the feed speed under actual condition
Intend.
In digital control system, typically by writing G code, setting speed is realizing change and the reality of the rotating speed of electro spindle 21
The circular interpolation motion of existing platen 22.In this test method, the load that electro spindle 21 is born under different rotating speeds
It is different, so, rotating speed is changed every time, it is required for recalculating that electro spindle 21 is subject to makes a concerted effort and make a concerted effort and electro spindle 21
Angle between axis, need to frequently adjust the pivot angle of push rod 14 and the position of loader 13, could so realize simulation electricity
Loading conditions under the actual condition of main shaft 21.
Further, it is the motion of realizing the pivot angle of push rod 14, push rod 14 is rotatablely connected with bearing block 15 by bearing pin
Outer surface.
By using the charger and loading method for electro spindle reliability testing of the present invention, can be effective
Impact of the radial load and axial force under simulation work of numerical control machine state to electro spindle, and charger is integrally using machinery
Structure, simple structure is easy to use, is conducive to improving the reliability to electro spindle reliability consideration.
Further, the bearing for arranging in bearing block 15 is angular contact ball bearing.Push rod 14 passes through angular contact ball bearing seat
It is connected with the load bar 17 of the shaft end of electro spindle 21, by radial load and axial force transmission on electro spindle 21.
Fig. 2 is power exploded view when embodiment is loaded in Fig. 1.Wherein α is loaded load and the angle of electro spindle axis, Fa
For axial force, Fr is radial load, and F provides magnitude of load for loader.Fa=Fcos α, Fr=Fsin α.Radial load and axial force
Obtained by electro spindle loading spectrum, by radial load, axial force and the relation made a concerted effort, be conveniently calculated push rod 14 and electro spindle
The angle of 21 axis and with joint efforts size.
Fig. 3 is the side structure schematic diagram of embodiment in Fig. 1.Fig. 4 is the sectional view of the side structure of embodiment in Fig. 3.
As illustrated, loader includes loading nut 131, spring 132 and spring stop 133, spring stop 133 is fixed and fits in push rod
On support 11, loading nut 131 is fixed on the outer surface of push rod 14, and by adjusting loading nut 131 spring can be changed
132 stroke.
Spring stop 133 is resisted against the side of pusher bar support 11 on the outer surface of push rod 14.Loading nut 131
It is same to be located on the outer surface of push rod 14, and be connected with thread forms between the outer surface of push rod 14.Spring 132 is located at spring catch
Between plate 133 and loading nut 131, by rotating loading nut 131, thus it is possible to vary the collapsing length of spring 132, and then change
The thrust of spring 132.Because one end of spring 132 is connected by spring stop 133 with pusher bar support 11, the other end is by loading
Nut 131 is connected with the other end of push rod 14, and in the case where locking member is screwed, push rod 14 can be in the active force of spring 132
In the case of change, in axial direction there is small deformation, so as to change active force of the push rod 14 to electro spindle 21.
Further, charger also include base 16, pusher bar support 11 can rotate on base 16, base 16
It is fixed on the surface of platen 22.
Platen 22 is provided with multiple T-slots.Base 16 is connected solid with platen 22 by T-bolt 23
It is fixed, it is possible to make feed motion in the x, y direction with platen 22.It is secondary by rotating between pusher bar support 11 and base 16
Connection, pusher bar support 11 can rotate on base 16.When installing to pusher bar support 11, due to can not be disposable
Electro spindle 21 is alignd with the axis of bearing block 15, can be by the movement of workbench and rotating push rod support 11 in base 16
On direction alignd, ease of assembly and positioning.
Further, the locking member in the present embodiment includes wing nut 18 and the screw being threaded connection, butterfly spiral shell
Female 18 on a side of pusher bar support 11, and one end of screw is connected with wing nut 18, and the other end can pass through push rod
1/4 section of arc-shaped slot pass of the two sides of support 11 is simultaneously connected with fastening slide block 12, and will fasten cunning by screwing wing nut 18
Block 12 is fixed at the surface of pusher bar support 11.
By screwing wing nut 18, fastening slide block 12 can be fixed on pusher bar support 11.Push away because screw is passed through
The slotted hole of bar 14, therefore, while fixed fastening slide block 12, push rod 14 also can be positioned.Push rod 14 after positioning
It is merely able to occur in the axial direction small deformation and the rotary motion around screw axis.
Fig. 6 is the flow chart of loading method of the present invention.As illustrated, the loading method is comprised the following steps：
Fixed pusher bar support 11：The position of adjustment pusher bar support 11, and be fixed on platen 22.
Load bar 14 is installed：The load bar 17 is fixed on by institute by the handle of a knife and collet chuck on the electro spindle 21
State on electro spindle 21.
Fig. 5 is the enlarged drawing in the I portions of embodiment in Fig. 4.As shown in figure 5, the lower section of load bar 17 is provided with a circle flange, it is
Prevent from causing bearing block 15 to slide in rotation process, be easily installed, Accident prevention occurs.Meanwhile, flange also has scattered well
Thermal effect.Due to this structure design, need behind the position for adjusting pusher bar support 11, in advance from below to penetrate load bar 17
In bearing block 15.And be fixed on electro spindle 21 by handle of a knife and collet chuck.
Determine the pivot angle of push rod 14 and the imposed load of loader 13：The institute of electro spindle 21 is determined by the loading spectrum of electro spindle 21
The radial load being subjected to and the size of axial force, by the size of radial load and axial force making a concerted effort greatly suffered by electro spindle 21 is calculated
It is little and make a concerted effort and the angle between the axis of electro spindle 21, the pivot angle and loader 13 of push rod 14 are determined according to result of calculation
Imposed load.
The pivot angle of adjustment push rod 14 and the imposed load of loader 13：Push rod 14 is adjusted to horizontal level, and loader 13
In the raw, between each parts in the inside of loader 13 without interaction force, according to the pivot angle of the push rod 14 after determination and add
The imposed load of device 13 is carried, makes push rod 14 adjust the swash angle position to calculating by mobile fastening slide block 12, screw locking member,
Fastening slide block 12 is fixed on into the surface of pusher bar support 11, and adjusts the imposed load of loader 13.
Parameter acquisition：, with certain rotational speed, platen 22 is with the axis of electro spindle 21 for control electro spindle 21
Move in a circle for axis, the performance parameter of electro spindle 21 is gathered by acquisition system.
Further, during the pivot angle of adjustment push rod 14 and the imposed load of loader 13, by adjusting push rod
The loading nut 131 of 14 outer surfaces can adjust the stroke of spring 132, for adjusting the imposed load of loader 13.
First the size of its force in radial and axial force is obtained by collecting or inquiring about electro spindle loading spectrum, calculated
Now making a concerted effort suffered by electro spindle 21 and the with joint efforts angle with the axis of electro spindle 21.Push rod 14 is adjusted according to result of calculation
The size of the imposed load of position and loader 13.Load is adjusted after finishing by writing G code in digital control system, is controlled
Electro spindle 21 is rotated with certain rotating speed, and workbench does circumference fortune with certain speed by axis of the axis of electro spindle 21
It is dynamic.The performance parameter of electro spindle 21 is gathered finally by acquisition system.After the load running for a period of time of electro spindle 21, its performance ginseng
Number reflects the ruuning situation of current electro spindle 21, and the reliability of electro spindle 21 can be reflected to a certain extent
Life test, accelerated life test, performance degradation test of electro spindle etc. can be carried out using the present invention.By this
A little pilot projects, can reflect electric master on the basis of the loading conditions for simulating the actual workshop operating mode of electro spindle to greatest extent
The reliability and service life of axle.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
All should be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Enclose and be defined.
Claims (10)
1. a kind of charger for electro spindle reliability testing, it is characterised in that include：
Pusher bar support, the pusher bar support can be fixedly installed on platen, for integrally entering to the charger
Row positioning and regulation；
Fastening slide block, the fastening slide block can be fixed at the surface of the pusher bar support, and the fastening by locking member
Slide block can continuously be moved by the regulation of the locking member along the pusher bar support surface；
Push rod, for the load bar imposed load on the electro spindle；
Loader, for adjusting the load that the push rod is applied to the load bar on the electro spindle, the loader can
The outer surface of the push rod is sheathed on, its one end can be fixed on the pusher bar support, and the other end can be fixed at institute
State the outer surface of push rod；
Bearing block, the bearing block can be sheathed on one end of the load bar, be internally provided with bearing；
One end of the push rod can be connected pivotally to the outer surface of the bearing block, and the other end of the push rod can be with institute
State locking member to be connected, the push rod can be moved axially along the locking member and rotated around the locking member, be passed through
The adjustment fastening slide block can adjust the pivot angle of the push rod in the position of the pusher bar support outer surface, described by adjusting
Loader can control imposed load of the push rod to the load bar.
2. the charger for electro spindle reliability testing according to claim 1, it is characterised in that the push rod
The inside of frame is hollow-core construction, and the side that the pusher bar support is connected with the loader is provided with 1/4 section of arc-shaped rail, institute
1/4 section of circular arc is respectively equipped with the two sides that to state pusher bar support perpendicular with the side that 1/4 section of arc-shaped rail is located
Groove, the locking member can pass through 1/4 section of arc-shaped slot pass of two sides, and the fastening slide block is fixed at into institute
State the surface of pusher bar support.
3. the charger for electro spindle reliability testing according to claim 2, it is characterised in that the push rod with
The connected one end of the locking member is provided with oval located at the inside of the pusher bar support in the position near the push rod end
Hole, the slotted hole runs through the push rod surface, and the locking member can be through the slotted hole and by the slotted hole pair
The push rod is positioned.
4. the charger for electro spindle reliability testing according to any one of claim 1-3, it is characterised in that
The loader includes loading nut, spring and spring stop, and the spring stop is fixed and fitted on the pusher bar support, institute
State loading nut to be fixed on the outer surface of the push rod, by adjusting the loading nut stretching for the spring can be changed
Contracting amount.
5. the charger for electro spindle reliability testing according to any one of claim 1-3, it is characterised in that
Base is further included, the pusher bar support can be rotatably arranged on the base, and the base is fixed on the workbench
Surface.
6. the charger for electro spindle reliability testing according to any one of claim 1-3, it is characterised in that
The locking member includes wing nut and the screw being threaded connection, and the wing nut is located at of the pusher bar support
On side, the screw can pass through 1/4 section of arc-shaped slot pass of the pusher bar support two sides and connect with the fastening slide block
Connect, the fastening slide block is fixed at into the surface of the pusher bar support.
7. the charger for electro spindle reliability testing according to any one of claim 1-3, it is characterised in that
Bearing in the bearing block is angular contact ball bearing.
8. the charger for electro spindle reliability testing according to any one of claim 1-3, it is characterised in that
The push rod is rotatably arranged in the outer surface of the bearing block by bearing pin.
9. the loading method that the charger according to any one of claim 1-8 is loaded to electro spindle, its feature
It is to comprise the following steps：
Fixed pusher bar support：The position of the pusher bar support is adjusted, and is fixed on the platen；
Load bar is installed：The load bar is fixed on by the electro spindle by the handle of a knife and collet chuck on the electro spindle
On；
Determine the pivot angle of push rod and the imposed load of loader：Determine what the electro spindle was subjected to by electro spindle loading spectrum
The size of radial load and axial force, the size of making a concerted effort suffered by the electro spindle is calculated by the size of the radial load and axial force
And make a concerted effort and the angle between the axis of the electro spindle, the pivot angle and loader of the push rod are determined according to result of calculation
Imposed load；
The pivot angle of adjustment push rod and the imposed load of loader：The push rod is adjusted to horizontal level, and the loader is in
Nature, without interaction force between each parts in loader inside, according to determination after the push rod pivot angle and add
The imposed load of device is carried, makes the push rod adjust the swash angle position to calculating by the movement fastening slide block, screwed described
Locking member, by the fastening slide block pusher bar support surface is fixed on, and adjusts the imposed load of the loader；
Parameter acquisition：The electro spindle is controlled with certain rotational speed, the platen is with the axis of the electro spindle
Line moves in a circle for axis, and by acquisition system the performance parameter of the electro spindle is gathered.
10. loading method according to claim 9, it is characterised in that in the pivot angle and loader of the adjustment push rod
During imposed load, by adjusting the loading nut of the push rod outer surface the flexible of the spring can be adjusted
Amount, for adjusting the imposed load of the loader.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165111.1A CN106625021B (en) | 2017-03-20 | 2017-03-20 | A kind of loading device and loading method for electro spindle reliability test |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710165111.1A CN106625021B (en) | 2017-03-20 | 2017-03-20 | A kind of loading device and loading method for electro spindle reliability test |
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| CN106625021A true CN106625021A (en) | 2017-05-10 |
| CN106625021B CN106625021B (en) | 2018-11-27 |
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| CN201710165111.1A Active CN106625021B (en) | 2017-03-20 | 2017-03-20 | A kind of loading device and loading method for electro spindle reliability test |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111829763A (en) * | 2020-04-28 | 2020-10-27 | 同济大学 | Electric spring fatigue testing device of containing type node |
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| CN106625021B (en) | 2018-11-27 |
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