CN104236436A - Sheet steel surface roughness measuring table and method - Google Patents
Sheet steel surface roughness measuring table and method Download PDFInfo
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- CN104236436A CN104236436A CN201310240082.2A CN201310240082A CN104236436A CN 104236436 A CN104236436 A CN 104236436A CN 201310240082 A CN201310240082 A CN 201310240082A CN 104236436 A CN104236436 A CN 104236436A
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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. According to the technical scheme, 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 pressure rod with the rod diameter being smaller than the diameter of the unthread hole is inserted into the 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 a kind of worktable and the measuring method of measuring steel plate roughness, particularly a kind of test desk for measuring surface of thin steel sheet roughness and measuring method.
Background technology
In prior art, the measuring method of sheet steel or metal foil surfaceness has two kinds of modes: one is scroll sheet steel or metal foil being curled into diameter 500 ~ 1500 mm, roughmeter is placed in scroll surface measurement; Two is that sheet steel is cut into small pieces, is placed on special marble test desk, is placed on test desk by roughmeter probe and measures surface of thin steel sheet roughness.In above-mentioned two kinds of modes, the former applies more in production, and measuring accuracy is less demanding, and the latter is more in laboratory applications, and measuring accuracy requires high.The measurement existing problems of laboratory surface of thin steel sheet roughness in prior art: marble test desk volume is heavy, should not move, which limits the dirigibility of measurement, cannot support the use with portable roughmeter; When sheet steel thickness is less, the particularly sheet steel of thickness 0.3 below mm or metal foil, because sample rigidity is little, poor flatness, in prior art, marble test desk cannot make sample accurately measure roughness under formation state.Prior art lacks the worktable that can realize surface of thin steel sheet roughness being carried out to accurately measurement.
Summary of the invention
The object of this invention is to provide a kind of test desk for measuring surface of thin steel sheet roughness and measuring method, mainly solving in prior art the technical matters that cannot realize surface of thin steel sheet roughness and accurately measure.
The technical solution used in the present invention is:
For measuring a test desk for surface of thin steel sheet roughness, be made up of main platform, auxiliary platform, movable pressing board, set bolt, tensile bolts, press rods, guide pole, movable pressing board is by set bolt and main platform, the end of auxiliary platform workplace side is fastenedly connected, it is characterized in that: main platform one side arranges a through hole and two blind holes, main platform blind hole internal fixtion is provided with guide pole, the some of main platform through hole is provided with screw thread, remainder is unthreaded hole, unthreaded hole partial insertion has bar footpath to be less than the press rods of unthreaded hole diameter, auxiliary platform side is provided with guide pole diameter and matches through hole, the threaded portion of main platform through hole is connected with tensile bolts, main platform is flexibly connected with auxiliary platform by guide pole, the height in main working platform face is higher than auxiliary platform workplace.
Further, guarantee the measuring accuracy of surface of thin steel sheet roughness to be measured, the surfaceness of main working platform face, auxiliary platform workplace is all no more than Ra0.1 μm.
Further, for making auxiliary platform controlled relative to the moving range of main platform, a kind of for measuring thin sheet surface roughness concentration platform, also comprise spacing ring, caging bolt, spacing ring two ends arrange a circular hole and a mounting hole respectively, spacing ring circular hole end is fastenedly connected by caging bolt and main platform, auxiliary platform end is provided with the stopper slot matched with spacing ring mounting hole, spacing ring kidney-shaped nose end is flexibly connected with auxiliary platform by caging bolt, and auxiliary platform can move relative to main platform in the scope of spacing ring mounting hole.
Further, for ease of laying of main platform, a kind of for measuring thin sheet surface roughness concentration platform, main platform base arranges at least three screws, for installing leg for subsequent use.
Measure a method for surface of thin steel sheet roughness, comprise the following steps:
A, surface cleaning is carried out to sheet steel to be measured and dries up;
B, by steel plate to be measured along rolling streamline two ends respectively by movable pressing board, set bolt clamp on the workplace of main platform, auxiliary platform;
C, the tensile bolts rotated on main platform promote press rods and apply pressure to auxiliary platform, auxiliary platform is moved along guide pole and is separated with main platform side, fit smooth after making sheet steel tensioning to be measured with main working platform face;
D, roughmeter probe is placed in surface of thin steel sheet to be measured, the probe measurement direction roughness of measuring to be measured surface of thin steel sheet vertical with rolling streamline.
According to elastic properties of materials deformation principle, sheet steel to be measured or metal foil obtain elastic stress, when sheet steel or metal foil are in elastic deformation, according to constancy of volume principle, its length direction strain stress, the spreading strain and can ignore of Width, the strain of its thickness direction is-ε/(1+ ε); When sheet steel or metal foil are less than 0.2% in length direction elastic strain, the strain absolute value of its thickness direction is less than 0.2%, the change absolute value of its surfaceness is also less than 0.2%, meet the accuracy requirement of surface finish measurement, and the elastic stress of thin plate to be measured or metal foil can return to original state after eliminating, and has no effect to material.
In step c, the gap between main platform and auxiliary platform side is less than 2 mm, measures gap between main platform and auxiliary platform by 0.05 ~ 3 mm standard clearance gauge.
By the present invention, the sheet steel of 0.3 mm is less than to thickness and rigidity is little, the very thin sheet metal of poor flatness, metal foil, realizes under elasticity, formation state accurately measure surface roughness.
The present invention has following good effect compared to existing technology:
1. structure of the present invention is simple, and low cost of manufacture, can support the use with portable roughmeter, easy to carry.
2. present invention achieves thickness and be less than the thin plate of 0.3 mm and rigidity is little, the very thin sheet metal of poor flatness, metal foil accurate measure surface roughness under elasticity, formation state.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing 1 is axis of no-feathering mapping of the present invention.
Accompanying drawing 2 is structure of the present invention two dimension vertical view.
Description of symbols in figure:
The main platform of 1-; 2-auxiliary platform, 3-movable pressing board, 4-set bolt, 5-tensile bolts, 6-press rods, 7-guide pole, 8-caging bolt, 9-spacing ring.
Embodiment
With reference to Fig. 1,2, a kind of test desk for measuring surface of thin steel sheet roughness, is made up of main platform 1, auxiliary platform 2, movable pressing board 3, set bolt 4, tensile bolts 5, press rods 6, guide pole 7, spacing ring 9, caging bolt 8, movable pressing board 3 is by set bolt 4 and main platform 1, the end of auxiliary platform 2 workplace side is fastenedly connected, main platform 1 one side arranges a through hole and two blind holes, main platform 1 blind hole internal fixtion is provided with guide pole 7, the some of main platform 1 through hole is provided with screw thread, remainder is unthreaded hole, unthreaded hole partial insertion has bar footpath to be less than the press rods 6 of unthreaded hole diameter, auxiliary platform 2 side is provided with guide pole 7 diameter and matches through hole, the threaded portion of main platform 1 through hole is connected with tensile bolts 5, main platform 1 is flexibly connected with auxiliary platform 2 by guide pole 7, spacing ring 9 two ends arrange a circular hole and a mounting hole respectively, spacing ring 9 circular hole end is fastenedly connected by caging bolt 8 and main platform 1, auxiliary platform 2 end is provided with the stopper slot matched with spacing ring 9 mounting hole, spacing ring 9 kidney-shaped nose end is flexibly connected with auxiliary platform 2 by caging bolt 8, main platform 1 bottom surface is provided with installs leg for subsequent use three screws, the surfaceness of main platform 1 workplace and auxiliary platform 2 workplace is Ra0.1 μm, the height of main platform 1 workplace is higher than auxiliary platform 2 workplace 0 ~ 0.5 mm.
Main platform 1, auxiliary platform 2, movable pressing board 3 adopt die hard steel or martensitic stain less steel processing, skin hardness HRC40 ~ 53.
Measure a method for surface of thin steel sheet roughness, comprise the following steps:
A, surface cleaning is carried out to sheet steel to be measured and dries up;
B, steel plate to be measured is clamped along the two ends of rolling streamline on the workplace of main platform 1, auxiliary platform 2 respectively by movable pressing board 3, set bolt 4;
C, the tensile bolts 5 rotated on main platform 1 promote press rods 6 pairs of auxiliary platforms 2 and apply pressure, auxiliary platform 2 is moved along guide pole 7 and is separated with main platform 1 side, fit smooth after making sheet steel tensioning to be measured with main platform 1 workplace;
D, roughmeter probe is placed in surface of thin steel sheet to be measured, the probe measurement direction roughness of measuring to be measured surface of thin steel sheet vertical with rolling streamline.
Embodiment 1: by thickness 0.3 mm, long 150 mm, the bent surface of thin steel sheet to be measured of wooden dipper of wide 100 mm cleans, lie on the test desk that assembles after drying up, the gap between main platform 1 and movable pressing board 3 is inserted in one end of sheet steel rolling streamline to be measured, tighten set bolt 4, sheet steel to be measured is pressed in the end of main platform 1 workplace by movable pressing board 3, tile sheet steel to be measured the workplace of main platform 1, the sheet steel other end to be measured inserts the gap between auxiliary platform 2 and movable pressing board 3, tighten set bolt 4, sheet steel to be measured is pressed in the end of auxiliary platform 2 workplace by movable pressing board 3, rotational strain bolt 5, tensile bolts 5 promotes press rods 6 pairs of auxiliary platforms 2 and applies pressure, auxiliary platform 2 draws the sheet steel to be measured be fixed on its workplace and does elastic extension, when preliminary elimination wooden dipper is bent, main platform 1 is measured by 0.05 ~ 3 mm standard clearance gauge, auxiliary platform 2 side clearance size is 1 mm, between pressing 3 according to two activities, initial distance is 125 mm, during elastic strain 0.2%, sheet steel deflection to be measured is 0.25 mm, further rotate power screw 5, make main, auxiliary platform gap length is 1.25 mm, thus realize sheet steel elastic strain 0.2% to be measured, the workplace of sheet steel to be measured and main platform 1 is fitted tightly, when eliminating the vibration of steel-sheet wooden dipper to be measured song and generation, roughmeter probe is placed in surface of thin steel sheet to be measured, probe measurement direction is vertical with rolling streamline, measure steel-sheet surfaceness to be measured.
Embodiment 2: by thickness 0.2mm, long 180 mm, hard stainless sheet steel surface cleaning is rolled in the out-of-flatness of wide 150 mm, lie on the test desk that assembles after drying up, the gap between main platform 1 and movable pressing board 3 is inserted in one end of sheet steel rolling streamline to be measured, tighten set bolt 4, sheet steel to be measured is pressed in the end of main platform 1 workplace by movable pressing board 3, tile sheet steel to be measured the workplace of main platform 1, the sheet steel other end to be measured inserts the gap between auxiliary platform 2 and movable pressing board 3, tighten set bolt 4, sheet steel to be measured is pressed in the end of auxiliary platform 2 workplace by movable pressing board 3, rotational strain bolt 5, tensile bolts 5 promotes press rods 6 pairs of auxiliary platforms 2 and applies pressure, auxiliary platform 2 draws the sheet steel to be measured be fixed on its workplace and does elastic extension, when preliminary elimination wooden dipper is bent, main platform 1 is measured by 0.05 ~ 3 mm standard clearance gauge, auxiliary platform 2 side clearance size is 0.5 mm, between pressing 3 according to two activities, initial distance is 125 mm, during elastic strain 0.2%, sheet steel deflection to be measured is 0.25 mm, further rotate power screw 5, make main, auxiliary platform gap length is 0.75 mm, thus realize sheet steel elastic strain 0.2% to be measured, the workplace of sheet steel to be measured and main platform 1 is fitted tightly, when eliminating the vibration of steel-sheet wooden dipper to be measured song and generation, roughmeter probe is placed in surface of thin steel sheet to be measured, popping one's head in, measurement direction is vertical with rolling streamline measures steel-sheet surfaceness to be measured.
Embodiment 3: by thickness 0.1mm, long 200 mm, the metal foil surface cleaning of wide 160 mm, lie on the test desk that assembles after drying up, the gap between main platform 1 and movable pressing board 3 is inserted in one end of metal foil rolling streamline to be measured, tighten set bolt 4, metal foil to be measured is pressed in the end of main platform 1 workplace by movable pressing board 3, tile metal foil to be measured the workplace of main platform 1, the metal foil other end to be measured inserts the gap between auxiliary platform 2 and movable pressing board 3, tighten set bolt 4, metal foil to be measured is pressed in the end of auxiliary platform 2 workplace by movable pressing board 3, rotational strain bolt 5, tensile bolts 5 promotes press rods 6 pairs of auxiliary platforms 2 and applies pressure, auxiliary platform 2 draws the metal foil to be measured be fixed on its workplace and does elastic extension, when preliminary elimination wooden dipper is bent, main platform 1 is measured by 0.05 ~ 3 mm standard clearance gauge, auxiliary platform 2 side clearance size is 0.1 mm, between pressing 3 according to two activities, initial distance is 125 mm, during elastic strain 0.2%, the deflection of metal foil to be measured is 0.25 mm, further rotate power screw 5, make main, auxiliary platform gap length is 0.25 ~ 0.35 mm, thus realize metal foil elastic strain to be measured and be not more than 0.2%, the workplace of metal foil to be measured and main platform 1 is fitted tightly, eliminate the wooden dipper of metal foil to be measured bent and produce vibration time, roughmeter probe is placed in metal foil to be measured surface, probe measurement direction is vertical with rolling streamline, measure the surfaceness of metal foil to be measured.
Embodiment 4: by thickness 0.25mm, long 150 mm, the smooth annealed sheet steel surface cleaning of wide 100 mm, lie on the test desk that assembles after drying up, the gap between main platform 1 and movable pressing board 3 is inserted in one end of sheet steel rolling streamline to be measured, tighten set bolt 4, sheet steel to be measured is pressed in the end of main platform 1 workplace by movable pressing board 3, tile sheet steel to be measured the workplace of main platform 1, the sheet steel other end to be measured inserts the gap between auxiliary platform 2 and movable pressing board 3, tighten set bolt 4, sheet steel to be measured is pressed in the end of auxiliary platform 2 workplace by movable pressing board 3, rotational strain bolt 5, tensile bolts 5 promotes press rods 6 pairs of auxiliary platforms 2 and applies pressure, auxiliary platform 2 draws the sheet steel to be measured be fixed on its workplace and does elastic extension.Main platform 1 is measured by 0.05 ~ 3 mm standard clearance gauge, auxiliary platform 2 side clearance size is 0.1 mm, between pressing 3 according to two activities, initial distance is 125 mm, during elastic strain 0.2%, sheet steel deflection to be measured is 0.25 mm, because sample to be tested is through smooth, its deflection is made to be less than 0.25 mm, further rotate power screw 5, make main, auxiliary platform gap length is 0.15 ~ 0.35 mm, thus realize sheet steel elastic strain to be measured and be not more than 0.2%, the workplace of sheet steel to be measured and main platform 1 is fitted tightly, roughmeter probe is placed in surface of thin steel sheet to be measured, probe measurement direction is vertical with rolling streamline, measure steel-sheet surfaceness to be measured.
The measurement of energy Measurement accuracy sheet steel of the present invention or metal foil surfaceness, measuring accuracy meets the accuracy requirement of surface finish measurement.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (6)
1., for measuring a test desk for surface of thin steel sheet roughness, be made up of main platform, auxiliary platform, movable pressing board, set bolt, tensile bolts, press rods, guide pole, movable pressing board is by set bolt and main platform, the end of auxiliary platform workplace side is fastenedly connected, it is characterized in that: main platform one side arranges a through hole and two blind holes, main platform blind hole internal fixtion is provided with guide pole, the some of main platform through hole is provided with screw thread, remainder is unthreaded hole, unthreaded hole partial insertion has bar footpath to be less than the press rods of unthreaded hole diameter, auxiliary platform side is provided with guide pole diameter and matches through hole, the threaded portion of main platform through hole is connected with tensile bolts, main platform is flexibly connected with auxiliary platform by guide pole, the height in main working platform face is higher than auxiliary platform workplace.
2. a kind of test desk for measuring surface of thin steel sheet roughness as claimed in claim 1, is characterized in that the surfaceness in described main working platform face is no more 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 the surfaceness of described auxiliary platform workplace is all no more than Ra0.1 μm.
4. a kind of test desk for measuring surface of thin steel sheet roughness as claimed in claim 1, it is characterized in that described test desk also comprises spacing ring, caging bolt, spacing ring two ends arrange a circular hole and a mounting hole respectively, spacing ring circular hole end is fastenedly connected by caging bolt and described main platform, described auxiliary platform end is provided with the stopper slot matched with spacing ring mounting hole, and spacing ring kidney-shaped nose end is 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 main platform base is provided with more than three screws installed for leg for subsequent use.
6. measure a method for surface of thin steel sheet roughness, it is characterized in that, the method for described measurement surface of thin steel sheet roughness comprises the following steps:
A, surface cleaning is carried out to sheet steel to be measured and dries up;
B, by steel plate to be measured along rolling streamline two ends respectively by the movable pressing board described in claim 1, set bolt clamp on the workplace of main platform, auxiliary platform;
C, the tensile bolts rotated on the main platform described in claim 1 promote press rods and apply pressure to auxiliary platform, auxiliary platform is moved along guide pole and is separated with main platform side, fit smooth after making sheet steel tensioning to be measured with main working platform face;
D, roughmeter probe is placed in surface of thin steel sheet to be measured, the probe measurement direction roughness of measuring to be measured surface of thin steel sheet vertical with rolling streamline.
Priority Applications (1)
| 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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| 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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| CN104236436A true CN104236436A (en) | 2014-12-24 |
| CN104236436B CN104236436B (en) | 2017-04-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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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Cited By (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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| Publication number | Publication date |
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| CN104236436B (en) | 2017-04-26 |
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