CN108931476A - A method of differentiating orientation silicon steel seam quality - Google Patents
A method of differentiating orientation silicon steel seam quality Download PDFInfo
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- CN108931476A CN108931476A CN201710379006.8A CN201710379006A CN108931476A CN 108931476 A CN108931476 A CN 108931476A CN 201710379006 A CN201710379006 A CN 201710379006A CN 108931476 A CN108931476 A CN 108931476A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses a kind of methods for differentiating orientation silicon steel seam quality, very fast to differentiate seam quality according to the de- tooth of seam, broken tooth, tooth length, amount of lap, unilateral width difference amount situation；This method can find the bad seam of quality in time, meet again in time, reduce reduction of speed shutdown rewinding is stitched again caused by, even disconnected band, ensure stable operation of unit, improve unit yield.After the present invention only need to be observed and be measured according to standard, the quality of seam quality can be differentiated, effectively reduce the band that breaks as caused by seam reason, shut down, improve the ability of stable operation of unit；Execute-in-place is very simple and efficient and with strong points, has good promotional value.
Description
Technical field
The present invention relates to seam technical field of quality detection, more particularly to a kind of differentiation orientation silicon steel seam quality
Method.
Background technique
Orientation silicon steel is that the direction of easy axis of crystal grain is parallel to the electrical sheet rolled to, silicon content 3% or so.Orientation silicon steel can
Be divided into general orientation silicon steel and high magnetic induction grain-oriented silicon steel two major classes, be chiefly used in electric energy transmission field (such as transformer), be electric power,
Electronics and the indispensable important meals functional material of war industry.Orientation silicon steel is known as the title of the steel art work, technology content
High, complex process, if it grasps orientation silicon steel production technology and is often used to measure the technical strength of an iron and steel enterprise, it
Production level and product quality represent the development level of a national steel and iron industry.Orientation silicon steel coating unit of finally annealing is
Tandem mill connects front and back coil of strip by seam, and the quality of seam quality is directly related to the stabilization of unit
Operation.
It is mainly at present the de- tooth for passing through observation seam, broken tooth situation in FCL unit detection seam quality.But it deposits
In following problems：1) to de- tooth, the not clear standard of broken tooth situation, different people's discrimination standards is inconsistent；2) to seam tooth
Long no clear standard, the long too short disengagement easy after stress of tooth, the long too long suture of the two rows in the stress between cog of tooth are easy mutually
Influence causes to disengage；3) correct, tail amount of lap does not have standard, and amount of lap is too long to be easy to start come amount of lap when through trough
It is too short to be easy to cause disengagement；4) there is no standard to the unilateral width difference amount of former and later two volumes, unilateral width difference is excessive to be easy
Camber unbalance stress is caused, it is easy to open；5) cannot be found in time when seam poor quality, cause to stitch again, reduction of speed is shut down,
Even disconnected band, influences unit yield.
Summary of the invention
The present invention differentiates the defect problem of seam quality to overcome by observing the de- tooth of seam, broken tooth, this
Invention provides a kind of according to the de- tooth of seam, broken tooth, tooth length, amount of lap, unilateral width difference amount situation, very fast differentiation suture
Stitch quality；This method can find the bad seam of quality in time, meet again in time, reduce reduction of speed rewinding is stitched again caused by
It shuts down, even disconnected band, ensures stable operation of unit, improve unit yield.
Required the technical issues of solving of the invention, can be achieved through the following technical solutions：
A method of differentiating orientation silicon steel seam quality, includes the following steps：
The de- tooth on side and broken number of teeth amount in S1, observation twice suture tape edge；
S1.1, first row suture tooth, suture number of teeth amount≤1 of strip unilateral side edge damage；The seam damaged in the middle part of strip
Close number of teeth amount≤3；
S1.2, second row suture tooth, suture number of teeth amount≤3 of strip unilateral side edge damage；The seam damaged in the middle part of strip
Close number of teeth amount≤5；
S2, suture tine length is observed and measured, according to suture tine length, determines the joggled strength of seam, sutures tine length
Within the scope of 20-27mm；
S3, forward and backward row strip unilateral side width difference amount is observed and measured, width difference amount control in forward and backward row strip unilateral side exists<
30mm；
S4, observe and measure take the lead, magnetic tape trailer amount of lap, upper surface take the lead amount of lap control within the scope of 10-20mm, following table
The magnetic tape trailer amount of lap in face controls within the scope of 30-80mm；
S5, the seam for meeting above-mentioned standard determine that seam quality is good.
Further, the suture tooth in the step S1.1 is de- tooth and broken tooth.
Further, the suture tooth in the step S1.2 is de- tooth and broken tooth.
Further, the suture tooth in the step S2 is de- tooth and broken tooth.
Further, row strip keeps center line alignment before and after the step S3.
Further, the width difference of the forward strip of the step S3 and rear row strip controls within the scope of 60mm.
Further, the step S3 strip unilateral side is the 25% of steel edge portion.
It further, is 50% region in the middle part of strip in the middle part of the step S3 strip.
Further, the step S3 move ahead strip with a thickness of 0.27mm, rear row strip with a thickness of 0.23mm.
Further, the amount of lap of taking the lead of the upper surface the step S4 controls the magnetic tape trailer of lower surface within the scope of 15-20mm
Amount of lap controls within the scope of 50-80mm.
Beneficial effects of the present invention：A method of differentiating orientation silicon steel seam quality, need to only be seen according to standard
After examining and measuring, the quality of seam quality can be differentiated, effectively reduce the band that breaks as caused by seam reason, shut down, mention
The high ability of stable operation of unit；Execute-in-place is very simple and efficient and with strong points, has good promotional value.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and detailed description：
Fig. 1 is the method for the present invention flow chart；
Fig. 2 is seam structure chart；
Fig. 3 is that seam takes off tooth schematic diagram；
Fig. 4 is the broken tooth schematic diagram of seam.
Specific embodiment
In order to keep content and the advantage of technical solution of the present invention more clear, with reference to the accompanying drawing to the present invention into one
Step description.
In conjunction with Fig. 2 orientation silicon steel seam structure chart, including 1. steel edge portion region, 2. strip central region, 3. suture
Seam tooth is long, 4. seam takes the lead amount of lap, 5. seam magnetic tape trailer amount of lap, 6. front and back row strip unilateral side width difference amount, 7. the
One row's seam tooth, 8. second row seam tooth, 9. move ahead strip, 10. row strip afterwards.
Before orientation silicon steel suture, observation selects the width of forward strip and rear row strip poor：Move ahead strip and rear row strip
Width difference control within the scope of 60mm, and front and back row strip will keep center line to be aligned, and then ensure that forward and backward row strip is unilateral
Width difference amount (6. shown in such as Fig. 2)<30mm.Unilateral width difference amount is excessive, shows forward and backward row strip alignment accuracy not
It is enough, camber easy to form, be easy to cause seam after slewing rollers discontinuity and disengage.It will take the lead, magnetic tape trailer difference
It is located at fixation mark range, and then ensures that the amount of lap (4. shown in such as Fig. 2) of taking the lead of upper surface is controlled in 10-20mm model
In enclosing, magnetic tape trailer amount of lap (5. shown in such as Fig. 2) control of lower surface is within the scope of 30-80mm.Head, tail amount of lap are too short, hold
It is disengaged after easily causing stress；Head, tail amount of lap are too long, be easy to cause and tilt after scrubbing slot.
In conjunction with flow chart 1, a method of differentiating orientation silicon steel seam quality, includes the following steps：
The de- tooth on side and broken number of teeth amount in S1, observation twice suture tape edge；
S1.1, first row suture tooth (7. shown in such as Fig. 2)：The suture tooth of unilateral edge (1. shown in such as Fig. 2) damage
(including：De- tooth, as shown in Figure 3；Broken tooth, as shown in Figure 4) quantity≤1；The suture tooth of middle part (2. shown in such as Fig. 2) damage
Quantity≤3；
S1.2, second row suture tooth (8. shown in such as Fig. 2)：Suture number of teeth amount≤3 of unilateral edge damage；Middle part damage
Bad suture number of teeth amount≤5；
The suture tooth of edge damage is excessive, and edge is be easy to cause to disengage；The suture tooth of middle part damage is excessive, be easy to cause
Portion disengages and arches upward；First row sutures tooth damage excessively, be easy to cause and takes the lead to tilt.
S2, suture tine length is observed and measured：Tine length (as in Fig. 2 3. and shown in Fig. 3, Fig. 4) control is sutured in 20-
Within the scope of 27mm；According to suture tine length, the joggled strength of seam is determined：Suture tooth is too short, and the joggled strength of seam is not
It is enough, it be easy to cause disengagement；Suture tooth is too long, and the joggled strength of seam is excessive, be easy to cause strip to prolong longitudinally split.
S3, forward and backward row strip unilateral side width difference amount is observed and measured：In front and back, row strip keeps the premise of center line alignment
The control of the width difference of forward strip and rear row strip is within the scope of 60mm down, forward and backward row strip unilateral side width difference amount (such as Fig. 2
In 6. shown in) control exist<30mm.Strip unilateral side is the 25% of steel edge portion；It is 50% region in the middle part of strip in the middle part of strip.It is unilateral
Width difference amount is excessive, shows that forward and backward row strip alignment accuracy is inadequate, camber easy to form be easy to cause seam to pass through
Discontinuity after slewing rollers and disengage.
S4, observe and measure take the lead, magnetic tape trailer amount of lap：Amount of lap (4. shown in such as Fig. 2) control is taken the lead in 10- in upper surface
Within the scope of 20mm, takes the lead amount of lap and be preferably controlled within the scope of 15-20mm；The magnetic tape trailer amount of lap of lower surface is (such as 5. institute in Fig. 2
Show) within the scope of 30-80mm, magnetic tape trailer amount of lap is preferably controlled within the scope of 50-80mm for control；Head, tail amount of lap are too short, hold
It is disengaged after easily causing stress；Head, tail amount of lap are too long, be easy to cause and tilt after scrubbing slot.
S5, the seam requirement for meeting above-mentioned standard, determine that quality is good.
The present invention is by taking the suture of the forward strip of 0.27mm thickness and the rear row strip of 0.23mm thickness as an example：Before suture,
The width for looking first at select to move ahead strip and rear row strip is poor：The strip width that moves ahead is 1098mm, and rear row strip width is
1066mm, and front and back row strip will keep center line to be aligned.Then it is taken the lead, magnetic tape trailer positioning：It will take the lead, magnetic tape trailer positions respectively
At fixation mark range.After suture, the first step observes the de- tooth on side and broken number of teeth amount in twice suture tape edge：First row suture
Tooth：The suture number of teeth amount of unilateral edge damage is 0；The suture number of teeth amount of middle part damage is 1.Second row sutures tooth：It is unilateral
The suture number of teeth amount of edge damage is 1；The suture number of teeth amount of middle part damage is 2.Second step observes and measures suture tine length：
Suture tine length is 24mm.Third step observes and measures forward and backward row strip unilateral side width difference amount：Forward and backward row strip unilateral side width
Departure is 16mm.4th step observe and measure take the lead, magnetic tape trailer amount of lap：The amount of lap of taking the lead of upper surface is 15mm, lower surface
Magnetic tape trailer amount of lap is 50mm.It is executed as requested before suture, the de- tooth, broken tooth of the seam, tooth length, amount of lap, list after suture
For side width difference amount in standard requirements, the seam quality is good.
The present invention provides a kind of according to the de- tooth of seam, broken tooth, tooth length, amount of lap, unilateral width difference amount situation,
The very fast method for differentiating seam quality.It is very suitable for raw to the higher orientation silicon steel FCL unit of seam quality requirement
The needs of production；It is tested in orientation silicon steel FCL unit using method provided by the invention, the results showed that this method can
Row.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of method for differentiating orientation silicon steel seam quality, it is characterised in that：Include the following steps：
The de- tooth on side and broken number of teeth amount in S1, observation twice suture tape edge；
S1.1, first row suture tooth, suture number of teeth amount≤1 of strip unilateral side edge damage；The suture tooth damaged in the middle part of strip
Quantity≤3；
S1.2, second row suture tooth, suture number of teeth amount≤3 of strip unilateral side edge damage；The suture tooth damaged in the middle part of strip
Quantity≤5；
S2, suture tine length is observed and measured, according to suture tine length, determines the joggled strength of seam, suture tine length in 20-
Within the scope of 27mm；
S3, forward and backward row strip unilateral side width difference amount is observed and measured, width difference amount control in forward and backward row strip unilateral side exists<
30mm；
S4, observe and measure take the lead, magnetic tape trailer amount of lap, upper surface take the lead amount of lap control within the scope of 10-20mm, lower surface
Magnetic tape trailer amount of lap controls within the scope of 30-80mm；
S5, the seam for meeting above-mentioned standard determine that seam quality is good.
2. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
Suture tooth in S1.1 is de- tooth and broken tooth.
3. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
Suture tooth in S1.2 is de- tooth and broken tooth.
4. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
Suture tooth in S2 is de- tooth and broken tooth.
5. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
Row strip keeps center line alignment before and after S3.
6. a kind of method for differentiating orientation silicon steel seam quality according to claim 5, it is characterised in that：The step
The width difference of the forward strip of S3 and rear row strip controls within the scope of 60mm.
7. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
S3 strip unilateral side is the 25% of steel edge portion.
8. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
It is 50% region in the middle part of strip in the middle part of S3 strip.
9. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
S3 move ahead strip with a thickness of 0.27mm, rear row strip with a thickness of 0.23mm.
10. a kind of method for differentiating orientation silicon steel seam quality described in accordance with the claim 1, it is characterised in that：The step
The amount of lap of taking the lead of the rapid upper surface S4 controls within the scope of 15-20mm, and the magnetic tape trailer amount of lap of lower surface is controlled in 50-80mm range
It is interior.
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| CN201710379006.8A CN108931476B (en) | 2017-05-25 | 2017-05-25 | Method for judging seam quality of oriented silicon steel seam |
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| CN201710379006.8A CN108931476B (en) | 2017-05-25 | 2017-05-25 | Method for judging seam quality of oriented silicon steel seam |
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