CN106031931B - Carrying roller and key parameter for tearing taping machine open determine method - Google Patents
Carrying roller and key parameter for tearing taping machine open determine method Download PDFInfo
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Abstract
The invention discloses the carrying roller and key parameter for tearing taping machine open to determine method, by the rotary carrier roller of the inventive method design, its roll surface is in scalene cone, pass through reasonable design roll surface inclination angle, on the one hand generation of the coil of strip in groove steel seal is avoided, on the other hand the difficulty of processing of groove fillet is avoided, tie is come off from carrying roller groove exactly, solves produced on-site problem, improves the surface quality of coil of strip.
Description
Technical field
Be used to tear the rotary carrier roller and its design method of taping machine open the present invention relates to a kind of, more specifically to for
The carrying roller and key parameter for tearing taping machine open determine method.
Background technology
In the entrance area part of the rolling mill production line of strip, in order to realize the upper volume function of automation, it is necessary to using tearing open
Tie manipulator carries out tearing tie operation open to coil of strip.The coil of strip that the upper small handlebar of volume is located at location of saddle support, which is delivered to, tears tie manipulator open
Bottom, then using carrying roller come supporting steel coils, finally tear tie manipulator open and coil of strip is carried out to tear tie operation open.The effect of the carrying roller
Have two, first, supporting steel coils, second, it can make steel coil head be accurately positioned (such as in seven o'clock position) by rotation, prevent
Only tear bundle occiput open and hung down to ground by Action of Gravity Field bending.In order to which the tie on coil of strip surface is extracted out, need to leave groove in the middle part of carrying roller.
But the step of groove both sides is easily caused coil of strip surface and forms impressing, has a strong impact on strip quality, for this problem, domestic other factory
Family uses orthodrome transition, but the processing difficulties of arc transition generally at the design of step, and cost is higher, while the circle designed
Arc size is difficult quantitative design, once mismatch the impressing on coil of strip surface still clearly.
The content of the invention
For present in prior art the defects of carrying roller, it is an object of the invention to provide for tear open taping machine carrying roller and
Key parameter determines method.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of key parameter of carrying roller for tearing taping machine open determines method, comprises the following steps：
Step a, collect field device parameters；
The field device parameters include coil of strip tie width lk, tie thickness hk, units steel coil Breadth Maximum L, unit steel
Roll up maximum outer radius R, units steel coil maximum inside radius r, coil of strip maximum volume-weight G, maximum volume-weight coil of strip outer ring tightening coefficient m,
The Equivalent Moment M that maximum volume-weight effect snub pulley is borne, roller material static stress effect under permissible bending stress
[σ+1]b, contact surface normal direction and vertical direction angle theta；
Step b, give design parameter；
The design parameter includes tearing bundle well width design ratio δ openck(2.5≤δck≤ 7.5) bundle groove depth design department, is torn open
Number δsk(1.5≤δsk≤ 12), roll neck design ratio δg(2.5≤δg≤ 5), diameter of axle design parameter δz(δz>=1) inclination angle upper limit coefficient
ζ1(1<ζ1<1.5), inclination angle lower limit coefficient ζ2(0.5<ζ2<1) quantity correction coefficient, is deformed
Step c, calculate rotation ground roll and tear bundle well width l=l openkδck；
Step d, calculate rotation ground roll and tear bundle groove depth s=h openkδck；
Step e, calculate ground roll axle journal
Step f, calculate ground roll roll neck Dg=δg·Dz；
Step g, calculate roll surface inclination angle design load αs；
Step h, with described l, s, Dz、Dg、αsFor carrying roller design size, processing and manufacturing installation.
According to one embodiment of the invention, step g includes：
Step g1, coordinate system is established in the contact surface of coil of strip and carrying roller, using the contact point of carrying roller groove and coil of strip as
Origin o, roll surface inclination angle reasonable value α, carrying roller axis direction are x-axis, are y-axis perpendicular to x-axis direction, calculate any along x-axis coil of strip
The deflection Δ h of pointx0=xsin α；
Step g2, calculating coil of strip maximum deformation quantity is
Step g3, calculate the maximum distortion width of coil of strip
Step g4, it is the strip plastic deformation width at x to calculate coordinate on axle
Step g5, calculate the deflection at any point on contact surface
Step g6, the radial elastic modulus for calculating coil of strip outer ring are
Step g7, calculate each point compression on contact surface
Step g8, calculate the partical gravity that each contact surface is subject to
Step g9, is solved equationObtain the reasonable value α=α at carrying roller inclination angleh, ξ in equation
To consider the error coefficient by deformation plance similar to triangle, andαhFor solution of equations；
Step g10, calculate the design load at inclination angle
To achieve the above object, the present invention is adopted also with following technical scheme：
A kind of carrying roller for being used to tear taping machine open, it is characterised in that：
The roll surface of the carrying roller is inclined-plane, and its major design dimensional parameters includes l, s, Dz、Dg、αs, the parameter is by following
Term restriction：
Field device parameters include coil of strip tie width lk, tie thickness hk, units steel coil Breadth Maximum L, units steel coil most
Big outer radius R, units steel coil maximum inside radius r, coil of strip maximum volume-weight G, the tightening coefficient m of maximum volume-weight coil of strip outer ring, maximum
The Equivalent Moment M that volume recast snub pulley is borne, roller material static stress effect under permissible bending stress [σ+1]b, connect
Contacting surface normal direction and vertical direction angle theta；
Design parameter includes tearing bundle well width design ratio δ openck(2.5≤δck≤ 7.5) bundle groove depth design ratio δ, is torn opensk
(1.5≤δsk≤ 12), roll neck design ratio δg(2.5≤δg≤ 5), diameter of axle design parameter δz(δz>=1) inclination angle upper limit coefficient ζ1(1
<ζ1<1.5), inclination angle lower limit coefficient ζ2(0.5<ζ2<1) quantity correction coefficient, is deformed
Calculate rotation ground roll and tear bundle well width l=l openkδck；
Calculate rotation ground roll and tear bundle groove depth s=h openkδck；
Calculate ground roll axle journal
Calculate ground roll roll neck Dg=δg·Dz；
Calculate roll surface inclination angle design load αs。
According to one embodiment of the invention, roll surface inclination angle design load αsBy following term restriction：
Coordinate system is established in the contact surface of coil of strip and carrying roller, using the contact point of carrying roller groove and coil of strip as origin o, roller
Face inclination angle reasonable value α, carrying roller axis direction are x-axis, are y-axis perpendicular to x-axis direction, calculate the deformation along x-axis coil of strip arbitrfary point
Measure Δ hx0=xsin α；
Calculating coil of strip maximum deformation quantity is
Calculate the maximum distortion width of coil of strip
It is the strip plastic deformation width at x to calculate coordinate on axle
Calculate the deflection at any point on contact surface
The radial elastic modulus for calculating coil of strip outer ring is
Calculate each point compression on contact surface
Calculate the partical gravity that each contact surface is subject to
Solve equationObtain the reasonable value α=α at carrying roller inclination angleh, ξ is considers in equation
Error coefficient by deformation plance similar to triangle, andαhFor solution of equations；
Calculate the design load at inclination angle
In the above-mentioned technical solutions, the carrying roller for being used to tear open taping machine of the invention and key parameter determine that method was both met
The influence of coil of strip impressing is eliminated, again tie can be enabled to be come off exactly from carrying roller groove, solves produced on-site hardly possible
Topic, improve the surface quality of strip.
Brief description of the drawings
Fig. 1 a are existing carrying roller schematic diagrames；
Fig. 1 b are the structural representations that the present invention is used to tear the carrying roller of taping machine open；
Fig. 2 is coil of strip and carrying roller contact surface schematic diagram
Fig. 3 is coil of strip deformed area schematic diagram
Fig. 4 is that the key parameter for the carrying roller that the present invention is used to tear taping machine open determines the flow chart of method.
Embodiment
Technical scheme is further illustrated with reference to the accompanying drawings and examples.
Therefore, defect existing for prior art middle idler roller is directed to, in combination with coil of strip rolling mill production line entrance area part
Equipment and technology feature, the present invention provide it is a kind of be used for tear open taping machine carrying roller and its key parameter determine method.
As seen in figure la and lb, carrying roller of the invention is changed to ramp structure in both ends on the basis of original carrying roller, can be to prevent
The only generation of coil of strip impressing.It is due to that coil of strip positioned at groove both sides directly contacts with carrying roller that why impressing, which produces, by very
The effect of big uniform load, and be not in contact with groove, coil of strip with carrying roller, acted on without load.So, by institute's stand under load
The drastically change of lotus, stress concentration is generated at groove step and beyond the yield limit of coil of strip, that is, generate impressing.
The design of the inclined-plane carrying roller of the present invention then ideally avoids the drastically change of external load, makes coil of strip institute loaded
Change step by step, formed a buffering area between two kinds of limiting case not loaded by very big load, avoiding stress concentration
Generation, so as to prevent coil of strip imprint generation.
The key technology of the present invention is to calculate under the limiting case that coil of strip does not deform just at groove step
Carrying roller inclination alpha, such as actual inclination angle are more than α, then may result in that coil of strip pendulous tank is excessive, the flattening quantitative change rate at coil of strip both ends
Greatly, easily cause to imprint at both ends, such as actual inclination angle is less than this α, then with groove contact position the prominent of flattening amount can occur for coil of strip
Become, mutation value is excessive, can cause to imprint in groove.
Therefore, as shown in figure 4, the key parameter for the carrying roller that the present invention is used to tear taping machine open determines that method is：
Step a, collect field device parameters.Field device parameters include coil of strip tie width lk, tie thickness hk, unit
Coil of strip Breadth Maximum L, units steel coil maximum outer radius R, units steel coil maximum inside radius r, coil of strip maximum volume-weight G, maximum volume-weight
The Equivalent Moment M that tightening coefficient m, the maximum volume-weight effect snub pulley of coil of strip outer ring are borne, roller material static stress act on
Under permissible bending stress [σ+1]b, contact surface normal direction and vertical direction angle theta.
Step b, give design parameter.Design parameter includes tearing bundle well width design ratio δ openck(2.5≤δck≤ 7.5), tear open
Tie groove depth design ratio δsk(1.5≤δsk≤ 12), roll neck design ratio δg(2.5≤δg≤ 5), diameter of axle design parameter δz(δz≥
1) inclination angle upper limit coefficient ζ1(1<ζ1<1.5), inclination angle lower limit coefficient ζ2(0.5<ζ2<1) quantity correction coefficient, is deformed
Step c, calculate rotation ground roll and tear bundle well width l=l openkδck。
Step d, calculate rotation ground roll and tear bundle groove depth s=h openkδck。
Step e, calculate ground roll axle journal
Step f, calculate ground roll roll neck Dg=δg·Dz。
Step g, calculate roll surface inclination angle design load αs。
Step h, with described l, s, Dz、Dg、αsFor carrying roller design size, processing and manufacturing installation.
Further, in step g, roll surface inclination angle design load αsCircular be：
Step g1, coordinate system is established in the contact surface of coil of strip and carrying roller, using the contact point of carrying roller groove and coil of strip as
Origin o, roll surface inclination angle reasonable value α, carrying roller axis direction are x-axis, are y-axis perpendicular to x-axis direction, calculate any along x-axis coil of strip
The deflection Δ h of pointx0=xsin α；
Step g2, calculating coil of strip maximum deformation quantity is
Step g3, calculate the maximum distortion width of coil of strip
Step g4, it is the strip plastic deformation width at x to calculate coordinate on axle
Step g5, calculate the deflection at any point on contact surface
Step g6, the radial elastic modulus for calculating coil of strip outer ring are
Step g7, calculate each point compression on contact surface
Step g8, calculate the partical gravity that each contact surface is subject to
Step g9, is solved equationObtain the reasonable value α=α at carrying roller inclination angleh, ξ in equation
To consider the error coefficient by deformation plance similar to triangle, andαhFor solution of equations；
Step g10, calculate the design load at inclination angle
Above-mentioned technical proposal is further illustrated below by multiple embodiments.
Embodiment 1
(1) collect on-site parameters, width of steel coil L, recess width l, coil of strip outer radius R, inside radius r, coil of strip outer ring it is tight
Close coefficient is m, and the modulus of elasticity of coil of strip is E, and the angle of contact surface normal direction and vertical direction is θ, coil of strip weight G.
(2) as shown in Fig. 2 establishing coordinate system in the contact surface of coil of strip and carrying roller, with connecing for carrying roller groove and coil of strip
Contact is origin o, and carrying roller axis direction is x-axis, is y-axis perpendicular to x-axis direction.Carrying roller inclination angle is α, then any along x-axis coil of strip
The deflection of point can be taken as
Δhx0=xsin α (1)
(3) coil of strip maximum deformation quantity is
(4) the maximum distortion width of coil of strip
(5), can be by contact surface similar to triangle as shown in Fig. 2 according to the contact surface feature of coil of strip and carrying roller.It can then recognize
For on axle at any x, the deformed width of coil of strip
(explanation：Regard contact surface approximation as triangle contact surface, and its deformation is smaller closer to the edge of contact surface, therefore
Ignore the deformation of edge)
(6), can be by crushed element in coil of strip section similar to triangle, such as Fig. 3 according to coil of strip deformed area features of shape
Shown, then the deflection at any point is represented by the contact surface
(explanation：Actual deflection is distributed in section into arc-shaped, herein by the distribution of arc-shaped similar to triangle
Shape, because this circular arc is smaller, and the deflection of edge is smaller, thus think can be so approximate)
(7) radial elastic modulus for taking coil of strip outer ring is Er, then
(8) then the stress of desirable each point on the contact surface is
(9) partical gravity that then each contact surface is subject to is,
(10) contact surface each point stress is integrated along contact surface, equation can be obtained by Newton's third law
ξ is to consider the error coefficient by deformation plance similar to triangle, and
(11) (5) (6) (7) formula is substituted into (9) formula, integrates simultaneously abbreviation, the equation on α can be obtained
(12) continuation abbreviation can obtain the biquadratic equation on α,
Field data is substituted into, this equation is solved, obtains reasonable value α=α on carrying roller inclination angles
(13) then α span can use
ζ1αs≤α≤ζ2αs (12)
ζ in formula1The coefficient of impressing, ζ are just occurred without to consider coil of strip in groove2To consider that coil of strip does not produce just in end
Scratch the coefficient of defect.
Embodiment 2
(1) on-site parameters are collected, width of steel coil L=1.6m, recess width l=0.4m, coil of strip outer radius R=1m, interior half
Footpath r=0.2m, the tightening coefficient of coil of strip outer ring is m=5000, and the modulus of elasticity of coil of strip is E=2.1 × 105MPa, contact surface method
It is θ=10 ° to the angle with vertical direction, coil of strip weight G=40t, error coefficient ξ=1.1.
(2) coordinate system is established in the contact surface of coil of strip and carrying roller, using the contact point of carrying roller groove and coil of strip as origin
O, carrying roller axis direction are x-axis, are y-axis perpendicular to x-axis direction.Carrying roller inclination angle is α, then along the deflection of x-axis coil of strip arbitrfary point
For
Δhx0=xsin α (1)
(3) coil of strip maximum deformation quantity is
(4) the maximum distortion width of coil of strip
(5) then it is believed that at any x of x-axis, the deformed width of coil of strip
(6) then the deflection at any point is represented by the contact surface
(7) modulus of elasticity for taking coil of strip outer ring is Er, then
(8) then the stress of desirable each point on the contact surface is
(9) partical gravity that then each contact surface is subject to is
(10) contact surface each point stress is integrated along contact surface, equation can be obtained by Newton's third law
(5) (6) (7) formula is substituted into (9) formula, integrates simultaneously abbreviation, the equation on α can be obtained
Continuation abbreviation can obtain the biquadratic equation on α,
sin4α-3.3sin3α+0.0014=0 (11)
Field data is substituted into, this equation is solved, obtains reasonable value α=4.45 ° on carrying roller inclination angle
(11) ζ is taken1=0.8, to consider that coil of strip just occurs without the coefficient of impressing in groove, takes ζ2=1.2 be consideration coil of strip
Do not produce the coefficient that impressing scratches defect just in end, then α span can use
3.56°≤α≤5.34° (12)
Embodiment 3
(a) field device parameters, coil of strip tie width l are collectedk=0.08m, tie thickness hk=0.005m, units steel coil
The maximum volume of Breadth Maximum L=1.6m, units steel coil maximum outer radius R=1m, units steel coil maximum inside radius r=0.2m, coil of strip
The maximum that weight G=4000kg, the tightening coefficient m=6000 of maximum volume-weight coil of strip outer ring, maximum volume-weight effect snub pulley are born
Equivalent Moment MePermissible bending stress [the σ of=20000Nm, roller material under static stress effect+1]b=253MPa, contact
Face normal direction and vertical direction angle theta=10 °, error coefficient ξ=1.1；
(b) design parameter is collected, tears bundle well width design ratio δ openck=5, bundle groove depth design ratio δ is torn opensk=10, roller
Footpath design ratio δg=3, diameter of axle design parameter δz=1.1, inclination angle upper limit coefficient ζ1=1.05, inclination angle lower limit coefficient ζ2=0.75；
(c) calculate rotation ground roll and tear bundle well width l=0.4m open；
(d) calculate rotation ground roll and tear bundle groove depth s=0.05m open；
(e) ground roll axle journal D is calculatedz=0.1m；
(f) ground roll roll neck D is calculatedg=0.3m；
(g) roll surface inclination angle design load α is calculateds, solve equation, obtain αh=4.45 °, then calculate the design load α at inclination angles=4 °；
(h) with above-mentioned l=0.4m, s=0.05m, Dz=0.1m, Dg=0.3m, αs=4 ° are carrying roller design size, processing
Manufacture installation.
Embodiment 4
(a) field device parameters, coil of strip tie width l are collectedk=0.06m, tie thickness hk=0.005m, units steel coil
Breadth Maximum L=1.6m, units steel coil maximum outer radius R=1.2m, units steel coil maximum inside radius r=0.2m, coil of strip are maximum
Volume weight G=38000kg, the tightening coefficient m=5000 of maximum volume-weight coil of strip outer ring, maximum volume-weight effect snub pulley are born most
Big Equivalent Moment MePermissible bending stress [the σ of=20000Nm, roller material under static stress effect+1]b=253MPa, connect
Contacting surface normal direction and vertical direction angle theta=10 °；
(b) design parameter is collected, tears bundle well width design ratio δ openck=5, bundle groove depth design ratio δ is torn opensk=8, roll neck
Design ratio δg=3, diameter of axle design parameter δz=1.1, inclination angle upper limit coefficient ζ1=1.1, inclination angle lower limit coefficient ζ2=0.95, by mistake
Poor coefficient ξ=1.1；
(c) calculate rotation ground roll and tear bundle well width l=0.3m open；
(d) calculate rotation ground roll and tear bundle groove depth s=0.04m open；
(e) ground roll axle journal D is calculatedz=0.1m；
(f) ground roll roll neck D is calculatedg=0.3m；
(g) roll surface inclination angle design load α is calculateds, solve equation, obtain αh=3.55 °, then calculate the design load α at inclination angles=
3.6；
(h) with above-mentioned l=0.3m, s=0.04m, Dz=0.1m, Dg=0.3m, αs=3.6 ° are carrying roller design size, are added
Work manufacture installation.
Embodiment 5
(a) field device parameters, coil of strip tie width l are collectedk=0.06m, tie thickness hk=0.006m, units steel coil
Breadth Maximum L=1.5m, units steel coil maximum outer radius R=1.2m, units steel coil maximum inside radius r=0.3m, coil of strip are maximum
Volume weight G=36000kg, the tightening coefficient m=4900 of maximum volume-weight coil of strip outer ring, maximum volume-weight effect snub pulley are born most
Big Equivalent Moment MePermissible bending stress [the σ of=22000Nm, roller material under static stress effect+1]b=253MPa, connect
Contacting surface normal direction and vertical direction angle theta=10 °；
(b) design parameter is collected, tears bundle well width design ratio δ openck=5, bundle groove depth design ratio δ is torn opensk=10, roller
Footpath design ratio δg=3, diameter of axle design parameter δz=1.1, inclination angle upper limit coefficient ζ1=1.1, inclination angle lower limit coefficient ζ2=0.95,
Error coefficient ξ=1.1；
(c) calculate rotation ground roll and tear bundle well width l=0.3m open；
(d) calculate rotation ground roll and tear bundle groove depth s=0.06m open；
(e) ground roll axle journal D is calculatedz=0.1m；
(f) ground roll roll neck D is calculatedg=0.3m；
(g) roll surface inclination angle design load α is calculateds, solve equation, obtain αh=3.42 °, then calculate the design load α at inclination angles=
3.5°；
(h) with above-mentioned l=0.3m, s=0.06m, Dz=0.1m, Dg=0.3m, αs=3.5 ° are carrying roller design size, are added
Work manufacture installation.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as limitation of the invention, as long as in the spirit of the present invention, the change to embodiment described above
Change, modification will all fall in the range of claims of the present invention.
Claims (4)
1. a kind of key parameter of carrying roller for tearing taping machine open determines method, it is characterised in that comprises the following steps：
Step a, collect field device parameters；
The field device parameters include coil of strip tie width lk, tie thickness hk, units steel coil Breadth Maximum L, units steel coil most
Big outer radius R, units steel coil maximum inside radius r, coil of strip maximum volume-weight G, the tightening coefficient m of maximum volume-weight coil of strip outer ring, maximum
The Equivalent Moment M that volume recast snub pulley is borne, roller material static stress effect under permissible bending stress [σ+1]b, connect
Contacting surface normal direction and vertical direction angle theta；
Step b, give design parameter；
The design parameter includes tearing bundle well width design ratio δ openck, 2.5≤δck≤ 7.5, bundle groove depth design ratio δ is torn opensk,
1.5≤δsk≤ 12, roll neck design ratio δg, 2.5≤δg≤ 5, diameter of axle design parameter δz, δz>=1, inclination angle upper limit coefficient ζ1, 1<ζ1<
1.5th, inclination angle lower limit coefficient ζ2, 0.5<ζ2<1, quantity correction coefficient ξ is deformed,
Step c, calculate carrying roller and tear bundle well width l=l openkδck；
Step d, calculate carrying roller and tear bundle groove depth s=h openkδck；
Step e, calculate carrying roller axle journal
Step f, calculate carrying roller roll neck Dg=δg·Dz；
Step g, calculate roll surface inclination angle design load αs；
Step h, with described l, s, Dz、Dg、αsFor carrying roller design size, processing and manufacturing installation.
2. the key parameter of the carrying roller as claimed in claim 1 for being used to tear taping machine open determines method, it is characterised in that the step
Rapid g includes：
Step g1, coordinate system is established in the contact surface of coil of strip and carrying roller, using the contact point of carrying roller groove and coil of strip as origin
O, roll surface inclination angle reasonable value α, carrying roller axis direction are x-axis, are y-axis perpendicular to x-axis direction, are calculated along x-axis coil of strip arbitrfary point
Deflection Δ hx0=x sin α；
Step g2, calculating coil of strip maximum deformation quantity is
Step g3, calculate the maximum distortion width of coil of strip
Step g4, it is the strip plastic deformation width at x to calculate coordinate on axle
Step g5, calculate the deflection at any point on contact surface
Step g6, the radial elastic modulus for calculating coil of strip outer ring are
Step g7, calculate each point compression on contact surface
Step g8, calculate the partical gravity that each contact surface is subject to
Step g9, is solved equationObtain the reasonable value α=α at carrying roller inclination angleh, ξ is examines in equation
Consider the error coefficient by deformation plance similar to triangle, andαhFor solution of equations；
Step g10, calculate the design load at inclination angle
A kind of 3. carrying roller for being used to tear taping machine open, it is characterised in that：
The roll surface of the carrying roller is inclined-plane, and its major design dimensional parameters includes l, s, Dz、Dg、αs, the parameter is by following condition
Limit：
Field device parameters include coil of strip tie width lk, tie thickness hk, units steel coil Breadth Maximum L, units steel coil it is maximum outer
Radius R, units steel coil maximum inside radius r, coil of strip maximum volume-weight G, tightening coefficient m, the maximum volume-weight of maximum volume-weight coil of strip outer ring
The Equivalent Moment M that effect snub pulley is borne, roller material static stress effect under permissible bending stress [σ+1]b, contact surface
Normal direction and vertical direction angle theta；
Design parameter includes tearing bundle well width design ratio δ openck, 2.5≤δck≤ 7.5, bundle groove depth design ratio δ is torn opensk, 1.5≤
δsk≤ 12, roll neck design ratio δg, 2.5≤δg≤ 5, diameter of axle design parameter δz, δz>=1, inclination angle upper limit coefficient ζ1, 1<ζ1<1.5、
Inclination angle lower limit coefficient ζ2, 0.5<ζ2<1, quantity correction coefficient ξ is deformed,
Calculate carrying roller and tear bundle well width l=l openkδck；
Calculate carrying roller and tear bundle groove depth s=h openkδck；
Calculate carrying roller axle journal
Calculate carrying roller roll neck Dg=δg·Dz；
Calculate roll surface inclination angle design load αs。
4. the carrying roller as claimed in claim 3 for being used to tear taping machine open, it is characterised in that the roll surface inclination angle design load αsBy with
Lower term restriction：
Coordinate system is established in the contact surface of coil of strip and carrying roller, is inclined by origin o, roll surface of the contact point of carrying roller groove and coil of strip
Angle reasonable value α, carrying roller axis direction are x-axis, are y-axis perpendicular to x-axis direction, calculate the deflection Δ along x-axis coil of strip arbitrfary point
hx0=x sin α, x are the x-axis coordinate value along x-axis coil of strip arbitrfary point；
Calculating coil of strip maximum deformation quantity is
Calculate the maximum distortion width of coil of strip
It is the strip plastic deformation width at x to calculate coordinate on axle
Calculate the deflection at any point on contact surfaceY is the y-axis coordinate along x-axis coil of strip arbitrfary point
Value；
The radial elastic modulus for calculating coil of strip outer ring is
Calculate each point compression on contact surface
Calculate the partical gravity that each contact surface is subject to
Solve equationObtain the reasonable value α=α at carrying roller inclination angleh, ξ is consider will deformation in equation
Face similar to triangle error coefficient, andαhFor solution of equations；
Calculate the design load at inclination angle
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|---|---|---|---|---|
| JP2506249B2 (en) * | 1991-12-06 | 1996-06-12 | 吉川工業株式会社 | Straightening device |
| CN2566954Y (en) * | 2002-08-28 | 2003-08-20 | 宝山钢铁股份有限公司 | Idler for uncoiling |
| CN201195636Y (en) * | 2008-05-06 | 2009-02-18 | 匡忠云 | Self-adjusting unit equipment for conveying belt |
| CN102502204A (en) * | 2011-10-13 | 2012-06-20 | 太原钢铁(集团)有限公司 | Composite carrier roller of rubber belt ore conveyor |
| US9033220B2 (en) * | 2011-11-02 | 2015-05-19 | Nippon Steel & Sumitomo Metal Corporation | Production management method for steel tubes and pipes |
| CN103084431B (en) * | 2013-01-25 | 2014-12-24 | 大连三高集团有限公司 | Steel coil material loading trolley |
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2015
- 2015-03-16 CN CN201510112546.0A patent/CN106031931B/en active Active
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