CN107626752A - Correction method for roll pass station - Google Patents
Correction method for roll pass station Download PDFInfo
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- CN107626752A CN107626752A CN201610569489.3A CN201610569489A CN107626752A CN 107626752 A CN107626752 A CN 107626752A CN 201610569489 A CN201610569489 A CN 201610569489A CN 107626752 A CN107626752 A CN 107626752A
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- standard rack
- moving cart
- slide rail
- locating piece
- roll pass
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000012937 correction Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 39
- 238000012360 testing method Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 4
- 238000004220 aggregation Methods 0.000 claims description 3
- 230000002776 aggregation Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 230000003137 locomotive effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 13
- 239000010959 steel Substances 0.000 abstract description 13
- 238000007689 inspection Methods 0.000 abstract description 4
- 238000004364 calculation method Methods 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to a roll pass station correction method. The method comprises the following steps: drawing a central line on 4 planes of the hole type inspection head by using a scriber, cleaning and inspecting each part, and detecting and adjusting a standard rack; repeating the measurement and the adjustment until the clearance between the positioning block and the slide rail is less than or equal to 0.02mm and the levelness of the standard rack in the bore hole axis direction is less than or equal to 0.02 mm/m; the overlap ratio error X, Y of the standard stand to the centerline of the roll pass station is measured if the following equation is satisfied:if the thickness of the adjusting gasket is qualified, otherwise, the thickness of the adjusting gasket under the slide rail and the positioning block is calculated; directly and accurately marking the thickness of the gasket to be added or reduced on the drawing by using drawing software, and adding or reducing the gasket below the slide rail and the positioning plate according to the result; and repeating the steps until the precision reaches the requirement. The method saves complicated steps in measurement and calculation, improves the working efficiency of correction of the roll pass station, and improves the precision of the roll stand, thereby improving the product quality of the seamless steel tube.
Description
Technical field
The present invention relates to milling train bearing calibration field, more particularly to a kind of bearing calibration of roll pass station
Background technology
PQF tandem mills are three roller continous way hot rolled seamless steel tube milling trains, and roll pass station is one and is used for detecting tandem rolling roller
Whether three roll blind bore types in frame meet the special inspecting equipment of rolling mill practice requirement.Tandem rolling roller frame pass essence
The quality of degree directly affects the product quality of seamless steel pipe, and roll pass station be examine tandem rolling roller frame rolling groove whether
Qualified key equipment, therefore whether the precision at roll pass station accurately determines the quality of seamless steel pipe product quality.Gu production
Process stipulation is monthly once corrected to roll pass station, to ensure that roll pass station precision is qualified, dependable performance.
It is exactly to be measured using standard rack as benchmark measurer in roll pass station that correction is measured to roll pass station
Heart line error, then make Standard Machine by adjusting two slide rails at roll pass station and the thickness of four location-plate bottom adjust pads
Frame and roll pass station center line overlaps or registration error delta≤± 0.02mm measurement adjustment process.Roll hole at present
The bearing calibration brief introduction of type station：
1st, mounting hole pattern tests head, and pass tests head and need to be avoided producing measurement error with level meter leveling；
2nd, standard rack is lifted up into moving cart, starts dolly to measurement operating position；
3rd, tested with inside micrometer by diagram measurement standard frame central bore hole hole wall and pass between rostral face and plane
Horizontal range X1, X2, vertical range Y1, Y2；
4th, calculate when overlapping standard rack center line and roll pass station center line, required moving cart inner slider and fixed
Adjust pad thickness U1, U2 of position block
L1, L2 can be calculated by x1, x2, y1, y2
5th, the plate thickness of moving cart is adjusted, makes standard rack center line and roll pass station center line according to U1, U2
Overlap.
In the presence of following deficiency：1st, unstable through correcting calibrated roll pass station inspection data several times, roll stand rolls
Effect processed is bad, and its presentation is finally reflected the thickness of steel pipe inequality in tandem mill rolling, produces waste product.2nd, it is thick to calculate adjust pad
It is cumbersome to spend program, it is time-consuming, laborious.3rd, easily produced in calculating process causes correction to fail by mistake in the works.Former roll pass in a word
Proofreading method of standing is coarse and crude, complex steps, particularly have ignored some crucial checking procedures and technological means, thus adds steel
The percent defective of pipe, cause huge economic loss.
The content of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of quick, accurate, reliable roll pass station measurement school
Correction method, roll pass station accuracy of detection is improved, improves seamless steel pipe product quality.
In order to achieve the above object, the present invention is realized using following technical scheme：
A kind of bearing calibration at roll pass station, specifically comprises the following steps：
(1) correction prepares：4 planes that pass is tested to head depict center line with scriber, clean, check each part, inspection
Survey and adjust standard rack, its size, positional precision is reached drawing requirement；
(2) duplicate measurements, adjustment, until standard rack locating piece and moving cart locating piece and standard rack slide rail with
Gap≤0.02mm between moving cart slide rail, untill the levelness in standard rack axis of bore direction is within the 0.02mm/m；
(3) registration of standard rack and roll pass station center line is measured, if under registration error X, Y meets
Formula：It is as qualified, on the contrary slide rail is calculated with being adjusted under locating piece
Spacer thickness；
(4) directly, accurately marked out on drawing with mapping software needs to add and subtract pad below slide rail and location-plate
Thickness；
(5) result according to step 4, pad is added and subtracted below slide rail and location-plate；
(6) repeat step 3-5 measures to the registration of standard rack and roll pass station center line, if registration misses
Poor X, Y meet that formula is as qualified shown in step 3, otherwise need to repeat the above steps to measure roll pass station and correct, until essence
Degree, which reaches, to be required.
The step (1) is to the slide rail on standard rack, locating piece, pressure plate, bore holePosition cleaned,
Check, trace is knocked in discovery, salient point is disposed with detailed catalogue oilstone；To the slide rail in moving cart, locating piece, position cleaned,
Check, trace is knocked in discovery, salient point is disposed with oilstone.Standard rack is measured using three-dimensional coordinate measuring instrument and uses adjusting pad
Piece method is adjusted to the design size of standard rack engineering drawing, position accuracy demand.
The step (2) comprises the following steps：A high-ranking officers' pass test head on the roll pass station and using level meter and
The plane that pass is tested on head tests pass levelling, and levelness is controlled in 0.02mm/m；B positions moving cart internal upper part for 2
Block is removed；Standard rack is lifted up into moving cart and placed steadily, with clearance gauge measurement standard frame and moving cart slide rail, standard by c
Gap between frame and moving cart locating piece, and record measurement data；Level meter is placed in standard rack bore hole measures again by d
The levelness in standard rack axis of bore direction, and record measurement data；E hangs out standard rack out of moving cart, according to
Step c, aggregation of data measured by d is considered as adding and subtracting the method for adjust pad below locomotive slide rail and locating piece by Standard Machine
Frame (axis of bore direction) leveling；The locating piece of bottom in moving cart 2 and 2 one slide rails are contacted surface smear developer by f；g
Standard rack is lifted up into moving cart again and places steady, repeat step c, d measurement standard frame and moving cart slide rail, standard
Gap between frame and moving cart locating piece, standard rack axis of bore direction levelness and record data；H is by standard rack
Hung out out of moving cart, according to developer vestige and the measurement data criterion frame locating piece and moving cart of step 7
Interior locating piece and zero-bit frame slide rail and slide rail contact condition in moving cart, calculate locating piece and slide rail in moving cart
Bottom adjust pad thickness simultaneously carries out accurate adjustment to it；I installs moving cart 2 locating pieces of internal upper part；J, which loads standard rack, to be moved
Dynamic dolly, standard rack and moving cart internal upper part positioning block gap are measured, hang out standard rack using plus-minus adjust pad
Method is by 4 locating piece leveling；K again by standard rack lift up into moving cart place it is steady, repeat the above steps measure,
Adjustment, until reaching between standard rack locating piece and moving cart locating piece and standard rack slide rail and moving cart slide rail
Gap≤0.02mm, untill the levelness in standard rack axis of bore direction is within the 0.02mm/m.
The step (3) starts push-and-pull hydraulic cylinder and moving cart is moved into check position together with standard rack；With
4 planes frame in place of inside micrometer measurement effect headIf horizontal range X1, X2 and Y1, the Y2 of bore hole hole wall
X1, X2 and Y1,2 meet following formula：Standard rack and roll pass
Stand center line registration it is as qualified, whereas to the adjust pad thickness under the slide rail and locating piece in moving cart
U1, U2 are calculated.
The step (4) first according to data X1, X2, Y1, Y2 for being measured in step (3) calculate standard rack with
Offset X, Y between the center line of roll pass station, then map on mapping software interface according to the following steps：A is soft in drawing
Make square of the length of side for the one of sides of 1mm with X-axis into 30 ° of angles on part interface；B copy steps 1 on mapping software interface
The square of middle drafting and to move horizontally square displacement be X；What c was drawn on mapping software interface in copy step 2
Square and to vertically move square displacement be Y；D marks out adjustment standard rack and roll hole on mapping software interface
Adjust pad thickness U1, U2 in moving cart needed for the registration of type station center line below slide rail and locating piece.
The step (5) starts push-and-pull hydraulic cylinder and moving cart is removed into check position together with standard rack, hangs out
Standard rack；According to U1, the U2 tried to achieve, the adjust pad of respective thickness is added below in slide rail and location-plate in moving cart.
Step (6) the repeat step 3-5 measures to the registration of standard rack and roll pass station center line, such as
Registration error X, Y meets following formula：
It is as qualified.Otherwise it need to repeat the above steps to measure roll pass station and correct, untill precision reaches requirement.
Compared with prior art, the beneficial effects of the invention are as follows：
1) by improving the measurement bearing calibration of roll pass station, roll pass station measurement correction operation efficiency is improved；
2) by measuring roll pass station the refinement of aligning step, significantly improve roll pass station accuracy of detection, work
Skill performance is relatively reliable；So that roll stand precision significantly improves.Avoid thickness of steel pipe inequality, roll the production of the waste products such as folding
It is raw.Improve seamless steel pipe lumber recovery and ton steel profit.
Brief description of the drawings
Fig. 1 is roll pass station structure principle schematic of the present invention；
Fig. 2 is that roll stand of the present invention loads moving cart schematic diagram；
Fig. 3 is standard rack slide rail of the present invention, locating piece position, structural representation；
Fig. 4 is roll pass station of the present invention slide plate, locating piece arrangement schematic diagram；
Fig. 5 is standard rack engineering drawing of the present invention；
Fig. 6 is present invention measurement Position of Hydraulic Cylinder distribution map；
Fig. 7 is that pass of the present invention tests a levelling schematic diagram；
Fig. 8 is the levelness schematic diagram in measurement standard frame axis of bore direction of the present invention；
Fig. 9 calculates adjust pad thickness schematic diagram for the present invention；
Figure 10-Figure 13 calculates spacer thickness schematic diagram for the present invention using computer AutoCAD；
Figure 14 is that roll pass station of the present invention corrects schematic diagram；
Figure 15 is roll pass station of the present invention detection even roller frame schematic diagram.
In figure：1- measures hydraulic cylinder 2- piston rods and roller 3- zero-bit frame 4- support base 5- annular frames 6- is moved
Dynamic dolly 7- passes test a 8- vehicle guide 9- standard racks centers 10- roll pass station center 11- roll stand with it is small
The rolling of tri- roll closings of car slide rail clearance gauge measuring point 12- roll stands and dolly locating piece clearance gauge measuring point 13-
Pass 14- depresses plate 15- bore hole 16- locating piece 17- slide rail 18- adjust pad 19- zero-bit frame central 20- zero-bits
Center probe and pass inspection center 21- zero-bits probe 22- zero-bit frame central bore hole 23- center line 24- location-plates
25- roll stands
Embodiment
The embodiment of the present invention is elaborated below in conjunction with the accompanying drawings：
As shown in Figure 1-2, PQF tandem mills are that the roller continous way hot rolling of 6 frame 3 that Anshan iron and steel plant seamless steel tubing mill introduces from Germany is seamless
Pipe-mill, roll pass station are the rolling holes that one brought at random is used for detecting three rolls closing on tandem rolling roller frame
Whether type 13 meets the special inspecting equipment of rolling mill practice requirement.
Roll pass station structure form and operation principle：Roll pass station owner will be by：Support base 4, annular frame 5, movement
(6 hydraulic cylinders are distributed in annular frame by 60 ° for dolly 6, the hydraulic cylinder of push-and-pull move dolly, vehicle guide 8, location hydraulic cylinder 1
On 5, displacement encoder be housed inside each hydraulic cylinder, 6 measurement distributing positions of hydraulic cylinder 1 are shown in diagram 6) etc. form.During inspection
Roll stand 25 is hung in the moving cart 6 at pass station, and makes locating piece 16, slide rail 17 and movement in frame by deadweight
Small in-car locating piece 16, slide rail 17 are in close contact.Therefore the slide rail 17 in setting moving cart 6 and ground are in 30 ° of angles；Positioning
Block 16 and ground are in 60 ° of angles.Roll pass station is for detecting tandem rolling roller frame rolling groove precision and rolling center line position
The visual plant of precision.Its detecting step is that tandem rolling roller frame 25 is loaded into moving cart 6 with crane, and starting push-and-pull hydraulic cylinder will
Moving cart 6 is pulled in pass station annular frame 5 (position to be measured).Start measurement hydraulic cylinder 1#, 3#, 5# or 2#, 4#, 6# live
Stopper rod stretches out, and presses to 3 swing arms in frame together with roll when rod end roller contacts with the pressure plate 14 of tandem rolling roller frame 25
When pass tests first 7 and reaches setting pressure, it is transferred to display by magnetic scale inside hydraulic cylinder and electric signal and accurately shows
The site error and form error of the rolling groove 13 of three roll closings of tandem rolling roller frame.
As shown in Fig. 3-15, the bearing calibration of roll pass station, specifically comprise the following steps：
First, prepare before the correction of roll pass station：
1st, as shown in fig. 7, pass is first tested to first 74 planes in order to reduce measurement error depicts center line with scriber
23。
2nd, to the slide rail 17 on standard rack, locating piece 16, pressure plate 14, bore hole 15,Position cleaned,
Check, discovery is knocked trace, salient point etc. and disposed with detailed catalogue oilstone；Slide rail 17 in moving cart 6, locating piece 16, position are entered
Row cleaning, check, discovery is knocked trace, salient point etc. and disposed with oilstone.
3rd, standard rack is measured using three-dimensional coordinate measuring instrument and uses the method for adjust pad 18 to be adjusted to standard
Design size, the position accuracy demand of frame engineering drawing.
Detection and adjusted iterm are as follows：
(1) 4 locating piece 16 meets 1035 ± 0.025mm relative to the positional precision of standard rack central bore 15；
(2) two one slide rails 17 meet 1080 ± 0.052mm for the positional precision of standard rack central bore 15 relatively；
(3) 6 pressure plates 14 it is relative for the positional precision of standard rack central bore 15 meet 2040 ± 0.02mm and with
15 coaxiality errors of bore hole of standard rack center 9≤0.02mm.
2nd, the measurement bearing calibration of roll pass station and step：
1st, as shown in fig. 7, high-ranking officers' pass tests first 7 is arranged on roll pass station and is tested on first 7 using level meter and pass
Plane pass is tested first 7 levelling, levelness is controlled within 0.02mm/m.
2nd, moving cart 6 internal upper part, 2 locating pieces 16 are removed.
3rd, placed steadily as shown in Fig. 2 standard rack is lifted up into moving cart 6, with clearance gauge measurement standard frame and movement
The slide rail 17 of dolly 6, gap between standard rack and the locating piece 16 of moving cart 6, and record measurement data.
4th, as shown in figure 8, level meter is placed on into the axis direction of measurement standard frame bore hole 15 in standard rack bore hole 15 again
Levelness, and record measurement data.
5th, as shown in figure 8, standard rack is hung out out of moving cart 6, considered according to aggregation of data measured by step 3,4
Standard rack (axis of bore direction) is adjusted using the method for adjust pad 18 below plus-minus locomotive slide rail 17 and locating piece 16
It is flat.
6th, the one slide rail 17 of the locating piece of bottom in moving cart 62 16 and 2 is contacted into surface smear developer.
7th, standard rack is lifted up into moving cart 6 again to place steadily, repeat step 3,4 measurement standard frames and movement are small
The slide rail 17 of car 6, gap between standard rack and the locating piece 16 of moving cart 6, the axis direction of standard rack bore hole 15
Levelness and record data.
8th, standard rack is hung out out of moving cart 6, according to developer vestige and the measurement data criterion of step 7
Machine
Locating piece 16 and zero-bit frame slide rail 17 connect with slide rail in moving cart 17 in frame locating piece 16 and moving cart 6
The state of touching.Calculate locating piece 16 and the thickness of 17 bottom adjust pad of slide rail 18 in moving cart and essence is carried out to it
Adjust.
9th, 6 internal upper part of moving cart, 2 locating pieces 16 are installed (to pay attention to：Bottom adjusting pad be not installed).
10th, standard rack is loaded into moving cart 6, measured between standard rack and the internal upper part locating piece 16 of moving cart 6
Gap.Hang out standard rack and use the plus-minus method of adjust pad 18 by 4 leveling of locating piece 16.
11st, standard rack is lifted up into moving cart 6 again to place steadily, repeats the above steps and measure, adjust.Until
Reach between standard rack locating piece 16 and moving cart locating piece 16 and standard rack slide rail 17 and moving cart slide rail 17
Gap≤0.02mm, untill the levelness of the axis direction of standard rack bore hole 15 is within the 0.02mm/m.
12nd, as shown in figure 9, start push-and-pull hydraulic cylinder is moved to check position by moving cart 6 together with standard rack,
With 4 planes frame in place of inside micrometer measurement effect headHorizontal range X1, X2 and Y1 of the hole wall of bore hole 15,
If Y2 X1, X2 and Y1, Y2 meet following formula：Standard rack and roll hole
The registration of type station center line is as qualified.Whereas to the adjust pad under the slide rail 17 and locating piece 16 in moving cart
18 thickness U1, U2 are calculated.Inside micrometer contact will withstand on 4 plane centrelines successively and sentence reduction measurement mistake during measurement
Difference.
13rd, the and of slide rail 17 in moving cart 6 required when adjustment standard rack and the coincidence of roll pass station center line is calculated
Adjust pad 18 thickness U1, U2 below locating piece 16.Using AutoCAD drawing practices on drawing directly, accurate terrestrial reference
Outpour slide rail 17 times and location-plate 24 under need add and subtract pad thickness.
Standard rack and roll pass station center are calculated according to data X1, X2, Y1, Y2 for being measured in step 5 first
Offset between line
Then mapped according to the following steps on computer AutoCAD interfaces：
(1) as shown in Figure 10, it is the one of sides of 1mm and X-axis into 30 ° of angles to make the length of side on computer AutoCAD interfaces
Square.
(2) as shown in figure 11, the square drawn on computer AutoCAD interfaces in copy step 1, line style is changed to
Dotted line, and move horizontally X.
(3) as shown in figure 12, the square drawn on computer AutoCAD interfaces in copy step 2, line style is changed to
Double dot dash line, and move horizontally Y.
(4) as shown in figure 13, adjustment standard rack and roll pass station center are marked out on computer AutoCAD interfaces
Needed for the registration of line, adjust pad 18 thickness U1, U2 in moving cart below slide rail 17 and locating piece 16.
The advantages of above method one is that calculated U1, U2 numerical value is accurate.(AutoCAD can be accurate to after decimal point 6)
Two are that of avoiding in troublesome calculation program and calculating process easily generation causes correction to fail by mistake in the works.
14th, start push-and-pull hydraulic cylinder and moving cart is removed into check position together with standard rack, hang out standard rack.
15th, according to U1, the U2 tried to achieve, corresponding adjust pad is added below in slide rail 17 and location-plate 16 in moving cart
18 thickness.
16th, repeat step 2-6 measures to the registration of standard rack and roll pass station center line, as registration misses
Poor X, Y meet following formula：It is as qualified, on the contrary it need to repeat the above steps
Roll pass station is measured and corrected, until precision reaches manufacturing technique requirent.
Using new roll pass station bearing calibration, the tedious steps in survey calculation are eliminated, improve roll pass
Stand correction operating efficiency.The precision of roll stand is improved, so as to improve the product quality of seamless steel pipe.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (6)
1. a kind of roll pass station bearing calibration, it is characterised in that specifically comprise the following steps：
(1) correction prepares：4 planes that pass is tested to head depict center line with scriber, clean, check each part, detection is simultaneously
Standard rack is adjusted, its size, positional precision is reached drawing requirement；
(2) duplicate measurements, adjustment, until standard rack locating piece and moving cart locating piece and standard rack slide rail and movement
Gap≤0.02mm between dolly slide rail, untill the levelness in standard rack axis of bore direction is within the 0.02mm/m；
(3) registration of standard rack and roll pass station center line is measured, if registration error X, Y meets following formula：It is as qualified, on the contrary calculate slide rail and adjust pad under locating piece
Thickness；
(4) slide rail directly, is accurately marked out on drawing with mapping software with needing the thickness of plus-minus pad below location-plate
Degree；
(5) result according to step 4, pad is added and subtracted below slide rail and location-plate；
(6) repeat step 3-5 measures to the registration of standard rack and roll pass station center line, if registration error X,
Y meets that formula is as qualified shown in step 3, otherwise need to repeat the above steps to measure roll pass station and correct, until precision arrives
Up to requiring.
2. a kind of roll pass station bearing calibration according to claim 1, it is characterised in that the step (1) uses three
Dimension coordinate measuring instrument measures standard rack and uses adjust pad method to be adjusted to the design chi of standard rack engineering drawing
Very little, position accuracy demand.
3. a kind of roll pass station bearing calibration according to claim 1, it is characterised in that the step (2) is included such as
Lower step：The plane that a high-ranking officers' pass is tested head and on roll pass station and tested using level meter and pass on head tests pass
Levelling, levelness is controlled in 0.02mm/m；B removes 2 locating pieces of moving cart internal upper part；Standard rack is lifted up into shifting by c
Dynamic dolly is placed steadily, with clearance gauge measurement standard frame and moving cart slide rail, between standard rack and moving cart locating piece
Gap, and record measurement data；Level meter is placed on the water in measurement standard frame axis of bore direction in standard rack bore hole by d again
Pingdu, and record measurement data；E hangs out standard rack out of moving cart, and aggregation of data considers according to measured by step c, d
Using the method for adjust pad below plus-minus locomotive slide rail and locating piece by standard rack (axis of bore direction) leveling；F will
The locating piece of bottom 2 and 2 one slide rails contact surface smear developer in moving cart；It is small that standard rack is lifted up into movement by g again
Car places steady, repeat step c, d measurement standard frame and moving cart slide rail, between standard rack and moving cart locating piece
Gap, standard rack axis of bore direction levelness and record data；H hangs out standard rack out of moving cart, according to aobvious
Show locating piece and zero-bit frame slide rail in agent vestige and the measurement data criterion frame locating piece and moving cart of step 7
With slide rail contact condition in moving cart, calculate locating piece and slide rail bottom adjust pad thickness in moving cart and it is entered
Row accurate adjustment；I installs moving cart 2 locating pieces of internal upper part；Standard rack is loaded moving cart by j, measure standard rack with
Moving cart internal upper part positions block gap, hangs out standard rack and uses plus-minus adjust pad method by 4 locating piece leveling；K is again
It is secondary that standard rack is lifted up into moving cart placement steadily, repeat the above steps and measure, adjust, determine until reaching standard rack
Gap≤0.02mm between position block and moving cart locating piece and standard rack slide rail and moving cart slide rail, standard rack boring
Untill the levelness in axially bored line direction is within the 0.02mm/m.
4. a kind of roll pass station bearing calibration according to claim 1, it is characterised in that the step (3), which starts, to push away
Draw hydraulic cylinder that moving cart is moved into check position together with standard rack；With 4 of inside micrometer measurement effect head
Plane is to standard rackHorizontal range X1, X2 and Y1, the Y2 of bore hole hole wall.
A kind of 5. roll pass station bearing calibration according to claim 1, it is characterised in that the step (4) root first
Calculated according to data X1, X2, Y1, Y2 for being measured in step (3) inclined between standard rack and roll pass station center line
Shifting amount X, Y, then mapped according to the following steps on mapping software interface：It is 1mm wherein one that a makees the length of side on mapping software interface
Square of the individual side with X-axis into 30 ° of angles；B drawn on mapping software interface in copy step 1 square and move horizontally just
Square displacement is X；Square that c is drawn on mapping software interface in copy step 2 simultaneously vertically moves square movement
Distance is Y；D marks out the shifting needed for the registration of adjustment standard rack and roll pass station center line on mapping software interface
Adjust pad thickness U1, U2 in dynamic dolly below slide rail and locating piece.
6. a kind of roll pass station bearing calibration according to claim 1, it is characterised in that the step (5), which starts, to push away
Draw hydraulic cylinder that moving cart is removed into check position together with standard rack, hang out standard rack；According to U1, the U2 tried to achieve
The adjust pad of respective thickness is added below in slide rail and location-plate in moving cart.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569489.3A CN107626752B (en) | 2016-07-18 | 2016-07-18 | Correction method for roll pass station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569489.3A CN107626752B (en) | 2016-07-18 | 2016-07-18 | Correction method for roll pass station |
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| Publication Number | Publication Date |
|---|---|
| CN107626752A true CN107626752A (en) | 2018-01-26 |
| CN107626752B CN107626752B (en) | 2019-08-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114373375A (en) * | 2020-10-14 | 2022-04-19 | 一汽-大众汽车有限公司 | Positioning adjustment method for model sample |
| CN114632822A (en) * | 2022-02-21 | 2022-06-17 | 包头钢铁（集团）有限责任公司 | 159-PQF rack calibration process after adjustment |
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| CN204700324U (en) * | 2015-05-14 | 2015-10-14 | 林州凤宝管业有限公司 | Open and subtract frame processing roller footpath center adjusting device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114373375A (en) * | 2020-10-14 | 2022-04-19 | 一汽-大众汽车有限公司 | Positioning adjustment method for model sample |
| CN114373375B (en) * | 2020-10-14 | 2024-05-28 | 一汽-大众汽车有限公司 | Positioning adjustment method for model sample |
| CN114632822A (en) * | 2022-02-21 | 2022-06-17 | 包头钢铁（集团）有限责任公司 | 159-PQF rack calibration process after adjustment |
| CN114632822B (en) * | 2022-02-21 | 2024-06-28 | 包头钢铁（集团）有限责任公司 | Adjusted 159-PQF rack calibration process |
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| CN107626752B (en) | 2019-08-06 |
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