CN108435804A - A kind of coiler pinch-roll roll gap calibration instruments of inspection and the method for inspection - Google Patents
A kind of coiler pinch-roll roll gap calibration instruments of inspection and the method for inspection Download PDFInfo
- Publication number
- CN108435804A CN108435804A CN201810219075.7A CN201810219075A CN108435804A CN 108435804 A CN108435804 A CN 108435804A CN 201810219075 A CN201810219075 A CN 201810219075A CN 108435804 A CN108435804 A CN 108435804A
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- Prior art keywords
- fixing sleeve
- detection
- roll
- stick
- pinch
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
- B21B38/105—Calibrating or presetting roll-gap
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
- B21C47/02—Winding-up or coiling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a kind of coiler pinch-roll roll gap calibration instruments of inspection and the methods of inspection, are related to hot-strip taking-up equipment Accuracy Control field.Including measuring rod, the end of the measuring rod is equipped with handle, the measuring rod is equipped with sliding rail, sliding block is slidably connected in the sliding rail, the sliding block is two, it is equipped with the first fixing sleeve on two sliding blocks, first fixing sleeve is equipped with the first fastening bolt, the measuring rod is equipped with fastening through-hole, multiple fastening through-holes are corresponding with sliding rail and communicate, the second fastening bolt is equipped in the fastening through-hole, according to the pinch roller of different size, adjust the distance between two detection sticks, staff holds handle, between detection is stretched to upper bottom pinch roll with stick, measure the difference between two detection sticks.The beneficial effects of the present invention are：The precision that pinch roller roll gap calibration can be improved ensure that the safety of staff.
Description
Technical field
The present invention relates to hot-strip taking-up equipment Accuracy Control field, specifically a kind of coiler pinch-roll roll gap
Calibration check tool and the method for inspection.
Background technology
Coiler pinch-roll is the important component of downcoiler, is played during strip coiling and focuses on your writing
With.Finished strip is clamped and is sent into coiling machine, establishes tension during strip coiling, and by tension reel, pinch roller with
And reasonably distributed between finishing mill, undertake whole tension after strip goes out finishing mill.Before strip reaches coiling machine
Strip is waited for certain advanced rate (opposite strip) operating, certain draw is played to strip steel head；Work as strip steel head
It is pre-bent to strip steel head when reaching coiler pinch-roll, strip is made to be easily accessible coiling machine；When strip is batched in coiling machine
After stabilization, pinch roller keeps speed sync with reel, and tension is carried out reasonable distribution between finishing mill and coiling machine, ensures
Roll；After tail part of band steel leaves finishing mill F6, pinch roller plays tail part of band steel with certain lag rate (opposite strip) operating
Certain drag interaction.
During strip coiling, pinch roller both sides hydraulic cylinder is with impartial constant pressure compaction strip, but both sides are impartial
Can pressure acts on strip, ensure strip in coiling process, after especially finishing mill throws steel, fully relies on pinch roller
Whether when strip is clamped in chucking power, it is consistent to depend primarily on pinch roller both sides roll gap, if both sides roll gap is inconsistent, even two
It gives identical pressure and also is difficult to ensure strip not sideslip in side.
In order to which pinch roller gap is demarcated and measured, first power supply is closed, three staff is needed to carry out
Pinch roller is lifted to maximum by work compound, wherein a staff is needed to enter between upper bottom pinch roll, detection is put with stick
It sets to designated position, there is larger security risks, while the precision that position is placed in operating process is not high, affects measurement
Precision.
Invention content
The purpose of the present invention is to provide a kind of coiler pinch-roll roll gap calibration instruments of inspection and the method for inspection, Neng Gouti
The precision of high pinch roller roll gap calibration, ensure that the safety of staff.
The present invention to achieve the above object, is achieved through the following technical solutions：
The end of a kind of coiler pinch-roll roll gap calibration instruments of inspection, including measuring rod, the measuring rod is equipped with handle,
The measuring rod is equipped with sliding rail, and sliding block is slidably connected in the sliding rail, and the sliding block is two, on two sliding blocks
Equipped with the first fixing sleeve, first fixing sleeve is circular ring shape, and first fixing sleeve is equipped with the first fastening bolt, the survey
Gauge rod is equipped with fastening through-hole, and the fastening through-hole is multiple, and multiple fastening through-holes are corresponding with sliding rail and communicate, described
The second fastening bolt is equipped in fastening through-hole, second fastening bolt is threadedly coupled with measuring rod.
The measuring rod is equipped with the second fixing sleeve, and second fixing sleeve is rectangular and is socketed on measuring rod, described
The top of second fixing sleeve is equipped with third fastening bolt, and the third fastening bolt is threadedly coupled with the second fixing sleeve, and described the
Two fixing sleeve outer walls are equipped with gag lever post.
The gag lever post and the second fixing sleeve are perpendicular.
First fastening bolt is two.
The measuring rod is equipped with graduation mark.
A kind of coiler pinch-roll roll gap calibration method of inspection, includes the following steps：
1)：Selected detection stick and the thickness S1 for measuring detection stick, the detection is put into stick in the first fixing sleeve,
And the first fastening bolt is rotated, detection is fixed with stick；
2)：Determine that the distance between two described detection sticks, two detections are used according to the width of surveyed pinch roller
Stick rotates the second fastening bolt respectively apart from pinch roller horizontal segment both ends 10-20MM, and the first fixing sleeve described to two carries out
It is fixed；
3)：The width of position and pinch roller further according to detection stick determines the position of gag lever post, and it is tight to rotate third
Second fixing sleeve is fixed in fixing bolt；
4)：Handle is held, detection stick is goed deep into supreme bottom pinch roll horizontal segment；
5)：The distance between upper bottom pinch roll roll gap is determined according to the thickness of required coiling band steel and regulating roller is stitched to phase
The distance answered；
6)：The detection is taken out with stick, measure squeeze after detection stick thickness S2 and S3, and respectively with not squeezing when
Detection compared with stick thickness S1, calculate the thickness difference of two detection sticks, determine bottom pinch roll both sides
Deviation.
The detection selects lead rod with stick.
The prior art is compared, the beneficial effects of the present invention are：
1, the sliding block can move back and forth in sliding rail, while sliding block is equipped with the first fixing sleeve, and described first fixes
Set can hold detection stick, so the distance between two detection sticks, energy can be determined according to different pinch rollers
It is enough to realize that, to the different calibration checks for pinching roller gap, the first fastening bolt being equipped with detection be fixed with stick, prevent
Only when detecting, it causes measurement error to increase since detection stick rolls, ensure that the accuracy of roll gap calibration, the be equipped with
The position of the first fixing sleeve can be fixed in two fastening bolts, after the distance between determining two detection sticks, energy
It is enough to ensure that distance between the two not will produce variation, to further ensure the accuracy of roll gap calibration.
2, the measuring rod is equipped with the second fixing sleeve, and second fixing sleeve is rectangular and is socketed on measuring rod, institute
The top for stating the second fixing sleeve is equipped with third fastening bolt, and the third fastening bolt is threadedly coupled with the second fixing sleeve, described
Second fixing sleeve outer wall is equipped with gag lever post, and the gag lever post being equipped with can be defined the position of detection stick, when detecting,
It can realize and detection is quickly placed into designated position with stick, improve work efficiency, meanwhile, second fixation can be along
Measuring rod moves back and forth, and the gag lever post is set on the outer wall of the second fixing sleeve, so gag lever post also can be along measurement
Bar moves back and forth, so gag lever post can be moved to corresponding position according to the width of different pinch rollers, to improve
The calibration range of the roll gap calibration instruments of inspection.
3, the gag lever post and the second fixing sleeve are perpendicular, when gag lever post and pinch roller contact, can make gag lever post with
Pinch roller contact area is maximum, gag lever post can be made to keep relatively stable state, so as to be further ensured that roll gap calibration
Accuracy.
4, first fastening bolt is two, and two first fastening bolts can make detection more steady with rodlike state
Fixed, after detection is squeezed with stick, the distance of two detection sticks will not change, and further ensure roll gap calibration
Accuracy.
5, the measuring rod be equipped with graduation mark, between determining two detection sticks apart from when, can be according to scale
Two the first fixing sleeves are moved to corresponding position by line, are convenient for the operation of staff, improve the work effect of staff
Rate.
6, using such calibrating and testing method, it is only necessary to which a staff can be completed, in roll gap calibration detection process
In, it is not necessary to it enters back between bottom pinch roll, ensure that the safety of staff, the placement of detection stick is more succinct, only needs
Width of the staff according to pinch roller is wanted, the position of locating rod and two detection sticks is determined, holds handle, detection is used
Stick stretches between bottom pinch roll, also no longer needs to close the power supply of pinch roller, improves the work of staff
Efficiency, while also improving the accuracy of roll gap calibration.
7, it because lead rod has good ductility, is easily deformed after the extruding by upper bottom pinch roll and is not easy to reply former
The state come, ensure that the accuracy of measurement data, while lead rod will not damage upper bottom pinch roll, ensure that and used
Man-machine safety in journey.
Description of the drawings
Attached drawing 1 is the schematic front view of the present invention.
Attached drawing 2 is the main view schematic cross-sectional view of the present invention.
Attached drawing 3 is the directions A-A schematic cross-sectional view in attached drawing 2.
Attached drawing 4 is enlarged diagram at I in attached drawing 2.
Attached drawing 5 is the schematic top plan view of the present invention.
Attached drawing 6 is the location of detection stick during roll gap calibration.
Attached drawing 7 is status diagram when using roll gap calibration instruments of inspection during roll gap calibration.
Attached drawing 8 is the enlarged diagram at II in attached drawing 7.
Label shown in attached drawing：
1, pinch roller；2, measuring rod；3, handle；4, sliding rail；5, sliding block；6, the first fixing sleeve；7, the first fastening bolt；8、
Fastening through-hole；9, the second fastening bolt；10, the second fixing sleeve；11, third fastening bolt；12, gag lever post；13, graduation mark；14、
Detection stick.
Specific implementation mode
As shown in Fig. 1 to Fig. 8 present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.In addition, it should also be understood that, read the content of the invention lectured it
Afterwards, those skilled in the art can make various modifications or changes to the present invention, and such equivalent forms equally fall within the application and limited
Fixed range.
Of the present invention is a kind of coiler pinch-roll roll gap calibration instruments of inspection, and the pinch roller 1 is two, two folders
Send roller 1 setting up and down, two 1 both sides of the pinch roller are connect by shaft with hydraulic device, and two up and down are adjusted to realize
The distance between pinch roller 1, including measuring rod 2,2 cross section of the measuring rod are square, and the end of the measuring rod 2 is equipped with
Handle 3, the measuring rod 2 are equipped with sliding rail 4, and the sliding rail 4 is sliding in the sliding rail 4 in " convex " shape and inside measuring rod 2
Dynamic to be connected with sliding block 5, the sliding block 5 is two, and two sliding blocks 5 are slidably connected with sliding rail 4, on two sliding blocks 5
It is equipped with the first fixing sleeve 6, first fixing sleeve 6 is circular ring shape, and first fixing sleeve 6 can hold detection stick 14,
First fixing sleeve 6 is equipped with the first fastening bolt 7, and first fastening bolt 7 can be to being put into the first fixing sleeve 6
Detection stick 14 be fixed, prevent detection stick 14 from being moved when being squeezed, when needing to 1 roll gap both sides of pinch roller
When roll gap difference is demarcated, carried according to different 1 specifications of pinch roller to move the distance between two described first fixing sleeves 6
High detection efficiency, the measuring rod 2 are equipped with fastening through-hole 8, and the fastening through-hole 8 is multiple, multiple fastening through-holes 8
It is corresponding with sliding rail 4 and communicate, be equipped with the second fastening bolt 9 in the fastening through-hole 8, second fastening bolt 9 with measure
Bar 2 is threadedly coupled, and after the distance between two the first fixing sleeves 6 determines, rotates the second fastening bolt 9, described second is tight
Fixing bolt 9 can the first fixing sleeve 6 be fixed, ensure that the distance between two described first fixing sleeves 6 be not in become
Change, ensure that the accuracy of measurement data.
In order to further increase the working efficiency of staff, the accuracy of the instruments of inspection is improved, is set on the measuring rod 2
There are the second fixing sleeve 10, second fixing sleeve 10 to be rectangular and be socketed on measuring rod 2, the top of second fixing sleeve 10
Equipped with third fastening bolt 11, the third fastening bolt 11 is threadedly coupled with the second fixing sleeve 10, second fixing sleeve 10
Outer wall is equipped with gag lever post 12, and the gag lever post 12 being equipped with can be defined detection with the position of stick 14, when detecting, can
Detection stick 14 is quickly placed into designated position by realization, is improved work efficiency, meanwhile, second fixation can be along survey
Gauge rod 2 moves back and forth, and the gag lever post 12 is set on the outer wall of the second fixing sleeve 10, so gag lever post 12 also can be along
Measuring rod 2 moves back and forth, so gag lever post 12 can be moved to corresponding position according to the width of different pinch rollers 1, from
And improve the calibration range of the roll gap calibration instruments of inspection.
In order to ensure the accuracy of roll gap calibration, the gag lever post 12 and the second fixing sleeve 10 are perpendicular, in gag lever post 12
When being contacted with pinch roller 1, gag lever post 12 can be made maximum with 1 contact area of pinch roller, gag lever post 12 can be made to keep more steady
Fixed state, so as to be further ensured that the accuracy of roll gap calibration.
In order to further ensure the accuracy of roll gap calibration, first fastening bolt 7 is two, and two described first tight
Fixing bolt 7 can make 14 state of detection stick more stablize, after detection stick 14 is squeezed, two detections with stick 14 away from
From that will not change, the accuracy of roll gap calibration is further ensured.
In order to improve the working efficiency of staff, the measuring rod 2 is equipped with graduation mark 13, is determining two detection use
When the distance between stick 14, two the first fixing sleeves 6 can be moved to corresponding position according to graduation mark 13, be convenient for work
The operation of personnel improves the working efficiency of staff.
A kind of coiler pinch-roll roll gap calibration method of inspection, includes the following steps：
1)：According to the thickness for needing coiled strip steel, selectes detection stick 14 and uses the thickness S1 of calliper detection stick 14,
The detection stick 14 is put into the first fixing sleeve 6, and rotates the first fastening bolt 7, detection stick 14 is fixed；
2)：The width for measuring 1 overall width of pinch roller and horizontal segment, two institutes are determined according to the width of surveyed pinch roller 1
State the distance between detection stick 14, two detections, respectively apart from 1 horizontal segment both ends 20MM of pinch roller, and are rotated with stick 14
Second fastening bolt 9, the first fixing sleeve 6 described to two are fixed；
3)：The position for determining gag lever post 12 with the width of the position of stick 14 and pinch roller 1 further according to detection, makes gag lever post
12 are close to the side wall of pinch roller 1, and rotate third fastening bolt 11, and second fixing sleeve 10 is fixed；
4)：Handle 3 is held, detection stick 14 is goed deep into 1 horizontal segment of supreme bottom pinch roll, needs one during this
Operator station can complete outside pinch roller 1, ensure that the personal safety of staff；
5)：The distance between 1 roll gap of upper bottom pinch roll is determined according to the thickness of required coiling band steel and regulating roller is stitched to
Corresponding distance need not close power supply, save manpower, while improve roll gap calibration checkability；
6)：The detection stick 14 is taken out, measure squeeze after detection stick 14 thickness S2 and S3, and respectively with do not squeeze
Detection when pressure is compared with 14 thickness S1 of stick, calculates the thickness difference of two detection sticks 14, determines to pinch up and down
The deviation of 1 both sides of roller can be finely adjusted the both ends of pinch roller 1, finally be consistent the roll gap at 1 both ends of pinch roller,
Ensure that during coiling band steel, strip will not sideslip, improve work efficiency, increase economic benefit.
In order to further ensure man-machine safety, the detection selects lead rod with stick 14, because lead rod has good ductility,
It is easily deformed after the extruding by upper bottom pinch roll 1 and is not easy to reply original state, ensure that the accuracy of measurement data,
Lead rod will not damage upper bottom pinch roll 1 simultaneously, ensure that the man-machine safety during use.
Embodiment：
The end of a kind of coiler pinch-roll roll gap calibration instruments of inspection, including measuring rod 2, the measuring rod 2 is equipped with handle
Hand 3 and graduation mark 13, the measuring rod 2 are equipped with sliding rail 4, and sliding block 5 is slidably connected in the sliding rail 4, and the sliding block 5 is two
It is a, it is equipped with the first fixing sleeve 6 on two sliding blocks 5, first fixing sleeve 6 is circular ring shape, on first fixing sleeve 6
Equipped with the first fastening bolt 7, first fastening bolt 7 is two, and the measuring rod 2 is equipped with fastening through-hole 8, the fastening
Through-hole 8 is multiple, and multiple fastening through-holes 8 are corresponding with sliding rail 4 and communicate, and the second fastening is equipped in the fastening through-hole 8
Bolt 9, second fastening bolt 9 are threadedly coupled with measuring rod 2, and the measuring rod 2 is equipped with the second fixing sleeve 10, and described the
Two fixing sleeves 10 are rectangular and are socketed on measuring rod 2 that the top of second fixing sleeve 10 is equipped with third fastening bolt 11, institute
It states third fastening bolt 11 to be threadedly coupled with the second fixing sleeve 10,10 outer wall of the second fixing sleeve is equipped with gag lever post 12, institute
It states gag lever post 12 and the second fixing sleeve 10 is perpendicular.
A kind of coiler pinch-roll roll gap calibration method of inspection, includes the following steps：
1)：According to the thickness for needing coiled strip steel, detection stick 14 is selected and using the thickness of calliper detection stick 14
3mm, the detection select lead rod with stick 14, the detection stick 14 are put into the first fixing sleeve 6, and rotate the first fastening spiral shell
Detection stick 14 is fixed in bolt 7；
2)：Measure 1 overall width of pinch roller：The width 630mm of 1750mm and horizontal segment, according to the width of surveyed pinch roller 1
Degree determines the distance between two described detection sticks 14:590mm, two detections are with stick 14 respectively apart from 1 water of pinch roller
Flat section both ends 20mm, rotates the second fastening bolt 9, and the first fixing sleeve 6 described to two is fixed；
3)：The position for determining gag lever post 12 with the width of the position of stick 14 and pinch roller 1 further according to detection, obtains limit
Bar 12 is 580mm with the length of stick 14 apart from detection described in one of them, so that gag lever post 12 is close to the side wall of pinch roller 1, and turn
Dynamic third fastening bolt 11, is fixed second fixing sleeve 10；
4)：Handle 3 is held, detection stick 14 is goed deep into 1 horizontal segment of supreme bottom pinch roll；
5)：The distance between 1 roll gap of upper bottom pinch roll is determined according to the thickness of required coiling band steel and regulating roller is stitched to
Corresponding distance need not close power supply, save manpower, while improve roll gap calibration checkability；
6)：The detection stick 14 is taken out, measure squeeze after detection stick 14 thickness S2 and S3, and respectively with do not squeeze
Detection when pressure is compared with 14 thickness 3mm of stick, calculates the thickness difference of two detection sticks 14, determines to pinch up and down
The deviation of 1 both sides of roller, is finely adjusted the both ends of pinch roller 1, is finally consistent the roll gap at 1 both ends of pinch roller.
Claims (7)
1. a kind of coiler pinch-roll roll gap calibration instruments of inspection, it is characterised in that：Including measuring rod, the end of the measuring rod
Equipped with handle, the measuring rod is equipped with sliding rail, and sliding block is slidably connected in the sliding rail, and the sliding block is two, two institutes
It states and is equipped with the first fixing sleeve on sliding block, first fixing sleeve is circular ring shape, and first fixing sleeve is equipped with the first fastening
Bolt, the measuring rod are equipped with fastening through-hole, and the fastening through-hole is multiple, and multiple fastening through-holes are corresponding with sliding rail
And communicate, the second fastening bolt is equipped in the fastening through-hole, second fastening bolt is threadedly coupled with measuring rod.
2. a kind of coiler pinch-roll roll gap calibration instruments of inspection according to claim 1, it is characterised in that：The measuring rod
It is equipped with the second fixing sleeve, second fixing sleeve is rectangular and is socketed on measuring rod that the top of second fixing sleeve is set
There are third fastening bolt, the third fastening bolt to be threadedly coupled with the second fixing sleeve, the second fixing sleeve outer wall is equipped with
Gag lever post.
3. a kind of coiler pinch-roll roll gap calibration instruments of inspection according to claim 2, it is characterised in that：The gag lever post
It is perpendicular with the second fixing sleeve.
4. a kind of coiler pinch-roll roll gap calibration instruments of inspection according to claim 1, it is characterised in that：Described first is tight
Fixing bolt is two.
5. a kind of coiler pinch-roll roll gap calibration instruments of inspection according to claim 1, it is characterised in that：The measuring rod
It is equipped with graduation mark.
6. a kind of coiler pinch-roll roll gap calibration method of inspection according to claim 1, which is characterized in that including following step
Suddenly：
1)：Selected detection stick and the thickness S1 for measuring detection stick, the detection is put into stick in the first fixing sleeve, and is turned
Dynamic first fastening bolt, detection is fixed with stick；
2)：The distance between two described detection sticks, two detections stick point are determined according to the width of surveyed pinch roller
Not apart from pinch roller horizontal segment both ends 10-20MM, and the second fastening bolt is rotated, the first fixing sleeve described to two is consolidated
It is fixed；
3)：The width of position and pinch roller further according to detection stick determines the position of gag lever post, and rotates third fastening spiral shell
Second fixing sleeve is fixed in bolt；
4)：Handle is held, detection stick is goed deep into supreme bottom pinch roll horizontal segment；
5)：The distance between upper bottom pinch roll roll gap is determined according to the thickness of required coiling band steel and regulating roller is stitched to accordingly
Distance；
6)：The detection is taken out with stick, measure squeeze after detection stick thickness S2 and S3, and respectively with inspection when not squeezing
Survey is compared with stick thickness S1, calculates the thickness difference of two detection sticks, determines the deviation of bottom pinch roll both sides.
7. a kind of coiler pinch-roll roll gap calibration method of inspection according to claim 6, it is characterised in that：The detection is used
Stick selects lead rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219075.7A CN108435804A (en) | 2018-03-16 | 2018-03-16 | A kind of coiler pinch-roll roll gap calibration instruments of inspection and the method for inspection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810219075.7A CN108435804A (en) | 2018-03-16 | 2018-03-16 | A kind of coiler pinch-roll roll gap calibration instruments of inspection and the method for inspection |
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| Publication Number | Publication Date |
|---|---|
| CN108435804A true CN108435804A (en) | 2018-08-24 |
Family
ID=63195629
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810219075.7A Pending CN108435804A (en) | 2018-03-16 | 2018-03-16 | A kind of coiler pinch-roll roll gap calibration instruments of inspection and the method for inspection |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098056A (en) * | 2019-05-30 | 2020-12-18 | 上海梅山钢铁股份有限公司 | Detection tool and detection method for coiler mandrel |
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| CN105665454A (en) * | 2016-03-16 | 2016-06-15 | 山东钢铁股份有限公司 | F-type rolling mill calibrating tool for hot continuous rolling production line |
| CN207952223U (en) * | 2018-03-16 | 2018-10-12 | 山东鲁冶瑞宝电气自动化有限公司 | A kind of coiler pinch-roll roll gap calibration instruments of inspection |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098056A (en) * | 2019-05-30 | 2020-12-18 | 上海梅山钢铁股份有限公司 | Detection tool and detection method for coiler mandrel |
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