CN104236436B - Sheet steel surface roughness measuring table and method - Google Patents
Sheet steel surface roughness measuring table and method Download PDFInfo
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- CN104236436B CN104236436B CN201310240082.2A CN201310240082A CN104236436B CN 104236436 B CN104236436 B CN 104236436B CN 201310240082 A CN201310240082 A CN 201310240082A CN 104236436 B CN104236436 B CN 104236436B
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Abstract
The invention relates to a sheet steel surface roughness measuring table and method. The measuring table and method mainly solve the technical problem that in the prior art, the sheet steel surface roughness cannot be measured precisely. The sheet steel surface roughness measuring table is composed of a master platform, a slave platform, a movable pressing plate, a fixing bolt, a tension bolt, a pressure rod and a guide rod assembly; the movable pressing plate is connected with the end of the working face side of the master platform and the end of the working face side of the slave platform in a fastening mode through the fixing bolt, one side face of the master platform is provided with a through hole and two blind holes, guide rods are fixedly arranged in the blind holes in the master platform, a part of the through hole in the master platform is provided with threads, the other part of the through hole is an unthreaded hole part, the side face of the slave platform is provided with a through hole matched with the guide rods in diameter, the tension bolt is connected to the thread part of the through hole in the master platform, the master platform is movably connected with the slave platform through the guide rods, and the height of the working face of the master platform is higher than that of the working face of the slave platform. The sheet steel surface roughness measuring table and method are mainly used for precise measuring of sheet steel and metal foil surface roughness.
Description
Technical field
The present invention relates to the workbench and measuring method of a kind of measurement steel plate roughness, more particularly to a kind of to be used to measure thin
The test desk and measuring method of steel surface roughness.
Background technology
In prior art, the measuring method of sheet metal or metal foil surface roughness has two ways：One is by thin steel
Plate or metal foil are curled into the scroll of 500～1500mm of diameter, and roughmeter is placed in scroll surface measurement；Two is by thin steel
Plate cuts into small pieces, is placed on special marble test desk, and roughmeter probe is placed in measurement sheet metal table on test desk
Surface roughness.In above two mode, the former applies more in production, and certainty of measurement is less demanding, and the latter should in laboratory
With more, certainty of measurement has high demands.The measurement existing problems of laboratory surface of thin steel sheet roughness in prior art：Marble is surveyed
Amount stage body product is heavy, should not move, which limits the motility of measurement, it is impossible to support the use with portable roughmeter；When
Sheet metal thickness is less, the sheet metal of particularly below thickness 0.3mm or metal foil, as sample rigidity is little, poor flatness,
In prior art, marble test desk cannot make sample accurate measurement roughness under formation state.Prior art lacks can be realized
The workbench of accurate measurement is carried out to surface of thin steel sheet roughness.
The content of the invention
It is an object of the invention to provide a kind of test desk and measuring method for measuring surface of thin steel sheet roughness, mainly
The technical problem of surface of thin steel sheet roughness accurate measurement cannot be realized in solving prior art.
The technical solution used in the present invention is：
A kind of test desk for measuring surface of thin steel sheet roughness, by main platform, auxiliary platform, movable pressing board, fixed spiral shell
Bolt, tensile bolts, press rods, guide post group into；Movable pressing board is by fixing bolt and main platform, the end of auxiliary platform work surface side
Portion is fastenedly connected, and it is characterized in that：Main platform one side arranges a through hole and two blind holes, is installed with and leads in main platform blind hole
To bar, some of main platform through hole is provided with screw thread, and remainder is unthreaded hole, and unthreaded hole partial insertion has bar footpath to be less than light bore dia
Press rods, auxiliary platform side is provided with guiding shank diameter and matches through hole, and the threaded portion connection of main platform through hole is tensioned
Bolt, main platform are flexibly connected with auxiliary platform by guide post, and the height in main working platform face is higher than auxiliary platform work surface.
Further, it is ensured that the certainty of measurement of surface of thin steel sheet roughness to be measured, main working platform face, auxiliary platform work surface
Surface roughness is less than Ra0.1 μm.
Further, it is to make auxiliary platform controllable relative to the moving range of main platform, a kind of coarse for measuring thin sheet surface
Degree test desk, also including spacing ring, caging bolt, spacing ring two ends are respectively provided with a circular hole and a mounting hole, spacing ring circular hole
End is fastenedly connected with main platform by caging bolt, and auxiliary platform end is provided with the stopper slot matched with spacing ring mounting hole, limit
Position ring kidney-shaped nose end is flexibly connected with auxiliary platform by caging bolt, and auxiliary platform can be in spacing ring mounting hole relative to main platform
In the range of move.
Further, it is for ease of the placement of main platform, a kind of to be used to measure thin sheet surface roughness concentration platform, main platform base
At least three screws are set, for installing standby leg.
A kind of method of measurement surface of thin steel sheet roughness, comprises the following steps：
A, surface cleaning is carried out to sheet metal to be measured and is dried up；
B, by steel plate to be measured along rolling streamline two ends respectively by movable pressing board, fixing bolt clamp main platform,
On the work surface of auxiliary platform；
C, the tensile bolts rotated on main platform promote press rods to apply pressure to auxiliary platform, auxiliary platform is moved along guide post
It is dynamic to be separated with main platform side, fit with main working platform face after making sheet metal tensioning to be measured smooth；
D, roughmeter probe is placed in into surface of thin steel sheet to be measured, probe measurement direction is vertical with streamline is rolled measure it is to be measured
The roughness of surface of thin steel sheet.
According to elastic properties of materials deformation principle, sheet metal to be measured or metal foil acquisition elastic stress, when sheet metal or metal
Foil in elastic deformation, according to constancy of volume principle, its length direction strain stress, width spread strain it is negligible, its
The strain of thickness direction is-ε/(1+ ε)；When sheet metal or metal foil are less than 0.2% in length direction elastic strain, its thickness
The strain absolute value in direction is less than 0.2%, and the change absolute value of its surface roughness meets surface roughness again smaller than 0.2%
The required precision of measurement, and thin plate to be measured or metal foil elastic stress eliminate after can recover to original state, to material without
Any impact.
In step c, the gap between main platform and auxiliary platform side is less than 2mm, is measured by 0.05～3mm standards clearance gauge
Gap between main platform and auxiliary platform.
By the present invention, very thin metallic plate of poor flatness little less than the sheet metal and rigidity of 0.3mm to thickness, gold
Category foil, realizes accurate measurement surface roughness under elasticity, formation state.
The present invention has following good effect compared to existing technology：
1st, present configuration is simple, and low cost of manufacture can be supported the use with portable roughmeter, easy to carry.
2nd, present invention achieves thickness less than 0.3mm thin plate and rigidity is little, poor flatness very thin metallic plate, metal
Foil accurate measurement surface roughness under elasticity, formation state.
Description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Structure axonometric drawing of the accompanying drawing 1 for the present invention.
Structure two-dimensional top-down view of the accompanying drawing 2 for the present invention.
Description of symbols in figure：
The main platforms of 1-；2- auxiliary platforms, 3- movable pressing boards, 4- fixing bolts, 5- tensile bolts, 6- press rods, 7- guide posts,
8- caging bolts, 9- spacing rings.
Specific embodiment
With reference to Fig. 1,2, a kind of test desk for measuring surface of thin steel sheet roughness, by main platform 1, auxiliary platform 2, activity
Pressing plate 3, fixing bolt 4, tensile bolts 5, press rods 6, guide post 7, spacing ring 9, caging bolt 8 are constituted；Movable pressing board 3 passes through
Fixing bolt 4 is fastenedly connected with the end of main platform 1, the work of auxiliary platform 2 surface side, and 1 one side of main platform arranges a through hole and two
Individual blind hole, is installed with guide post 7 in 1 blind hole of main platform, some of 1 through hole of main platform is provided with screw thread, and remainder is
Unthreaded hole, unthreaded hole partial insertion have press rods 6 of the bar footpath less than light bore dia, and 2 side of auxiliary platform is provided with 7 diameter phase of guide post
With through hole, the threaded portion of 1 through hole of main platform is connected with tensile bolts 5, and main platform 1 is connected with 2 activity of auxiliary platform by guide post 7
Connect, 9 two ends of spacing ring are respectively provided with a circular hole and a mounting hole, 9 circular hole end of spacing ring is tight with main platform 1 by caging bolt 8
It is solidly connected, 2 end of auxiliary platform is provided with the stopper slot matched with 9 mounting hole of spacing ring, 9 kidney-shaped nose end of spacing ring passes through spacing spiral shell
Bolt 8 is flexibly connected with auxiliary platform 2, and 1 bottom surface of main platform is provided with standby three screws of leg of installation, and 1 work surface of main platform and pair are flat
The surface roughness of 2 work surface of platform is Ra0.1 μm, the height of 1 work surface of main platform higher than 2 work surface 0 of auxiliary platform～
0.5mm。
Main platform 1, auxiliary platform 2, movable pressing board 3 adopt die hard steel or martensitic stain less steel to process, case hardness
HRC40～53.
A kind of method of measurement surface of thin steel sheet roughness, comprises the following steps：
A, surface cleaning is carried out to sheet metal to be measured and is dried up；
B, steel plate to be measured is clamped in main platform by movable pressing board 3, fixing bolt 4 respectively along the two ends of rolling streamline
1st, on the work surface of auxiliary platform 2；
C, the tensile bolts 5 rotated on main platform 1 promote press rods 6 to apply pressure to auxiliary platform 2, make auxiliary platform 2 along leading
Move to bar 7 and be separated with 1 side of main platform, fit with 1 work surface of main platform after making sheet metal tensioning to be measured smooth；
D, roughmeter probe is placed in into surface of thin steel sheet to be measured, probe measurement direction is vertical with streamline is rolled measure it is to be measured
The roughness of surface of thin steel sheet.
Embodiment 1：By thickness 0.3mm, long 150mm, the bent surface of thin steel sheet cleaning to be measured of wooden dipper of width 100mm, dry up after put down
It is placed on the test desk for assembling, one end that sheet metal to be measured rolls streamline is inserted the seam between main platform 1 and movable pressing board 3
Gap, tightens fixing bolt 4, and sheet metal to be measured is pressed in movable pressing board 3 end of 1 work surface of main platform, and sheet metal to be measured is put down
The work surface of main platform 1 is spread, fixed spiral shell is tightened in the gap between sheet metal other end insertion auxiliary platform 2 to be measured and movable pressing board 3
Sheet metal to be measured is pressed in the end of 2 work surface of auxiliary platform for bolt 4, movable pressing board 3, and rotational strain bolt 5, tensile bolts 5 are promoted
Press rods 6 apply pressure to auxiliary platform 2, and the sheet metal to be measured that the traction of auxiliary platform 2 is fixed on its work surface makees elastic extension, just
When step eliminates wooden dipper song, it is 1mm to measure main platform 1,2 side clearance size of auxiliary platform by 0.05～3mm standards clearance gauge, according to two
Between individual movable pressing board 3, initial distance is 125mm, and during elastic strain 0.2%, sheet metal deflection to be measured is 0.25mm, enters one
Step rotational strain bolt 5, makes major and minor platform gap size be 1.25mm, so as to realize sheet metal elastic strain 0.2% to be measured,
It is brought into close contact sheet metal to be measured and the work surface of main platform 1, during the vibration of elimination steel-sheet wooden dipper song to be measured and generation, will be thick
Rugosity instrument probe is placed in surface of thin steel sheet to be measured, and probe measurement direction is vertical with rolling streamline, measures steel-sheet surface to be measured
Roughness.
Embodiment 2：The out-of-flatness of thickness 0.2mm, long 180mm, width 150mm is rolled hard stainless sheet steel surface cleaning, blown
Lie on the test desk for assembling after dry, by one end that sheet metal to be measured rolls streamline insert main platform 1 and movable pressing board 3 it
Between gap, tighten fixing bolt 4, sheet metal to be measured is pressed in movable pressing board 3 end of 1 work surface of main platform, will be to be measured thin
Steel plate tiles the work surface of main platform 1, and the gap between sheet metal other end insertion auxiliary platform 2 to be measured and movable pressing board 3 is tightened
Sheet metal to be measured is pressed in the end of 2 work surface of auxiliary platform, rotational strain bolt 5, tensile bolts for fixing bolt 4, movable pressing board 3
5 promote press rods 6 to apply pressure to auxiliary platform 2, and the sheet metal to be measured that the traction of auxiliary platform 2 is fixed on its work surface prolongs as elasticity
Stretch, during preliminary elimination wooden dipper song, measuring main platform 1,2 side clearance size of auxiliary platform by 0.05～3mm standards clearance gauge is
0.5mm, is 125mm according to initial distance between two movable pressing boards 3, and during elastic strain 0.2%, sheet metal deflection to be measured is
0.25mm, further rotates tensile bolts 5, makes major and minor platform gap size be 0.75mm, so as to realize sheet metal elasticity to be measured
Strain 0.2%, is brought into close contact sheet metal to be measured and the work surface of main platform 1, eliminates steel-sheet wooden dipper to be measured bent and generation
During vibration, roughmeter probe is placed in into surface of thin steel sheet to be measured, probe measurement direction is vertical with streamline is rolled measure it is to be measured thin
The surface roughness of steel plate.
Embodiment 3：By thickness 0.1mm, long 200mm, the metal foil surface cleaning of width 160mm, dry up after lie in dress
On the test desk for preparing, the gap between main platform 1 and movable pressing board 3 is inserted in one end that metal foil to be measured rolls streamline,
Fixing bolt 4 is tightened, metal foil to be measured is pressed in movable pressing board 3 end of 1 work surface of main platform, and metal foil to be measured is put down
The work surface of main platform 1 is spread, fixation is tightened in the gap between metal foil other end insertion auxiliary platform 2 to be measured and movable pressing board 3
Metal foil to be measured is pressed in the end of 2 work surface of auxiliary platform, rotational strain bolt 5, tensile bolts 5 for bolt 4, movable pressing board 3
Press rods 6 are promoted to apply pressure to auxiliary platform 2, the metal foil to be measured that the traction of auxiliary platform 2 is fixed on its work surface makees elasticity
Extend, during preliminary elimination wooden dipper song, measuring main platform 1,2 side clearance size of auxiliary platform by 0.05～3mm standards clearance gauge is
0.1mm, is 125mm according to initial distance between two movable pressing boards 3, during elastic strain 0.2%, the deformation of metal foil to be measured
Measure as 0.25mm, further rotate tensile bolts 5, major and minor platform gap size is made for 0.25～0.35mm, it is to be measured so as to realize
Metal foil elastic strain is not more than 0.2%, is brought into close contact metal foil to be measured and the work surface of main platform 1, eliminates to be measured
The wooden dipper of metal foil it is bent and produce vibration when, roughmeter probe is placed in into metal foil surface to be measured, measurement direction of popping one's head in
It is vertical with rolling streamline, measure the surface roughness of metal foil to be measured.
Embodiment 4：By thickness 0.25mm, long 150mm, the smooth annealed sheet steel surface cleaning of width 100mm, dry up after put down
It is placed on the test desk for assembling, one end that sheet metal to be measured rolls streamline is inserted the seam between main platform 1 and movable pressing board 3
Gap, tightens fixing bolt 4, and sheet metal to be measured is pressed in movable pressing board 3 end of 1 work surface of main platform, and sheet metal to be measured is put down
The work surface of main platform 1 is spread, fixed spiral shell is tightened in the gap between sheet metal other end insertion auxiliary platform 2 to be measured and movable pressing board 3
Sheet metal to be measured is pressed in the end of 2 work surface of auxiliary platform for bolt 4, movable pressing board 3, and rotational strain bolt 5, tensile bolts 5 are promoted
Press rods 6 apply pressure to auxiliary platform 2, and the sheet metal to be measured that the traction of auxiliary platform 2 is fixed on its work surface makees elastic extension.It is logical
It is 0.1mm to cross 0.05～3mm standards clearance gauge and measure main platform 1,2 side clearance size of auxiliary platform, according to two movable pressing boards 3 it
Between initial distance be 125mm, during elastic strain 0.2%, sheet metal deflection to be measured be 0.25mm, as sample to be tested is passed through
It is smooth so as to deflection be less than 0.25mm, further rotate tensile bolts 5, make major and minor platform gap size be 0.15～
0.35mm, so as to realize that sheet metal elastic strain to be measured is not more than 0.2%, makes sheet metal to be measured tight with the work surface of main platform 1
Roughmeter probe is placed in surface of thin steel sheet to be measured by closely connected conjunction, and probe measurement direction is vertical with rolling streamline, measures to be measured thin
The surface roughness of steel plate.
The present invention can accurately measure the measurement of sheet metal or metal foil surface roughness, and certainty of measurement meets rough surface
The required precision of degree measurement.
In addition to the implementation, the present invention can also have other embodiment.All employing equivalents or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (6)
1. a kind of test desk for measuring surface of thin steel sheet roughness, by main platform, auxiliary platform, movable pressing board, fixing bolt,
Tensile bolts, press rods, guide post group into；Movable pressing board is by fixing bolt and main platform, the end of auxiliary platform work surface side
It is fastenedly connected, it is characterized in that：Main platform one side arranges a through hole and two blind holes, is installed with guiding in main platform blind hole
Bar, some of main platform through hole are provided with screw thread, and remainder is unthreaded hole, and unthreaded hole partial insertion has bar footpath less than light bore dia
Press rods, auxiliary platform side are provided with guiding shank diameter and match through hole, and the threaded portion of main platform through hole connects tensioned spiral shell
Bolt, main platform are flexibly connected with auxiliary platform by guide post, and the height in main working platform face is higher than auxiliary platform work surface.
2. a kind of test desk for measuring surface of thin steel sheet roughness as claimed in claim 1, is characterized in that described master
The surface roughness in working platform face is less than Ra0.1 μm.
3. a kind of test desk for measuring surface of thin steel sheet roughness as claimed in claim 1, is characterized in that described pair
The surface roughness in working platform face is less than Ra0.1 μm.
4. a kind of test desk for measuring surface of thin steel sheet roughness as claimed in claim 1, is characterized in that described survey
Amount platform also includes spacing ring, and caging bolt, spacing ring two ends are respectively provided with a circular hole and a mounting hole, and spacing ring circular hole end passes through
Caging bolt is fastenedly connected with described main platform, and described auxiliary platform end is provided with spacing with what spacing ring mounting hole matched
Groove, spacing ring kidney-shaped nose end are flexibly connected with described auxiliary platform by caging bolt.
5. a kind of test desk for measuring surface of thin steel sheet roughness as claimed in claim 1, is characterized in that described master
Platform base is provided with more than three screws for the installation of standby leg.
6. a kind of method of measurement surface of thin steel sheet roughness, is characterized in that, be used to measure using the one kind described in claim 1
The test desk measurement surface of thin steel sheet roughness of surface of thin steel sheet roughness, the described method for measuring surface of thin steel sheet roughness
Comprise the following steps：
A, surface cleaning is carried out to sheet metal to be measured and is dried up；
B, steel plate to be measured is clamped in main platform, secondary flat by movable pressing board, fixing bolt respectively along the two ends of rolling streamline
On the work surface of platform；
C, the tensile bolts rotated on main platform promote press rods to apply pressure to auxiliary platform, make auxiliary platform along guide post movement with
Main platform side is separated, and fits with main working platform face smooth after making sheet metal tensioning to be measured；
D, roughmeter probe is placed in into surface of thin steel sheet to be measured, probe measurement direction with roll that streamline is vertical to measure thin steel to be measured
The roughness of plate surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310240082.2A CN104236436B (en) | 2013-06-17 | 2013-06-17 | Sheet steel surface roughness measuring table and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310240082.2A CN104236436B (en) | 2013-06-17 | 2013-06-17 | Sheet steel surface roughness measuring table and method |
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| CN104236436A CN104236436A (en) | 2014-12-24 |
| CN104236436B true CN104236436B (en) | 2017-04-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105318802A (en) * | 2015-05-25 | 2016-02-10 | 合肥皓东精密工业有限公司 | Novel square leveling test tool of metal bottom surface |
| CN108507451A (en) * | 2017-05-22 | 2018-09-07 | 太仓市伦凯自动化设备有限公司 | A kind of flatness automatic checkout equipment |
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