CN103381542B - A kind of processing method of carbon cover roller core - Google Patents
A kind of processing method of carbon cover roller core Download PDFInfo
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- CN103381542B CN103381542B CN201310278809.6A CN201310278809A CN103381542B CN 103381542 B CN103381542 B CN 103381542B CN 201310278809 A CN201310278809 A CN 201310278809A CN 103381542 B CN103381542 B CN 103381542B
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Abstract
The present invention relates to field of machining, particularly relate to the processing method of a kind of carbon cover roller core; Successively by the body of roll alignment of carbon cover, processing technology benchmark, bore hole, car two ends end face and clamping, rough turn cylindrical, staticly weigh, reprocesses, fine turning outer circle and each several part length, postwelding process; Two ends spindle nose is thick, finish turning, is connected by thermal baffle with spindle nose; The steps such as the grinding of carbon cover roller core.Make the present invention's flexural deformation of in use causing due to wall thickness deviation of anti-blocking cover roller core effectively, thus improve the service life of carbon cover roller core greatly, improve more than 1 times service life than the product of prior art processing.Improve crudy and the production efficiency of product, under equal working condition, output per day is more than 1.5 times of prior art processing output, thus reduces the consumption of the energy, has saved production cost.
Description
Technical field
The present invention relates to field of machining, particularly relate to the processing method of a kind of carbon cover roller core in rolling mills continuous annealing furnace.
Background technology
The operating mode of rolling mills continuous annealing furnace carbon cover roller core is more special, belong to high temperature section furnace rolls, be in the working environment of high temperature and load always, also corresponding change is had respectively according to its material of the change of temperature in rolling mills continuous annealing furnace, the main material of high temperature section (more than 950 DEG C) carbon cover roller core is: BX305013W, Cr33Ni50W16, Cr28Ni48W5Co3 etc., this material has high rigidity, resistance to wear and good high-temperature behavior, but cutting ability is very poor, traditional manufacture process technology can not meet the related request of carbon cover roller core, the wall thickness deviation value of the carbon cover body of roll exceeds standard in process of production, the overall roughness of endoporus does not reach the bad quality conditions such as design drawing requirement, and it is bending to cause carbon to overlap roller core, greatly reduce its service life.Therefore technological innovation is carried out to it and just seem particularly important.
Summary of the invention
Object of the present invention is exactly the processing method that a kind of carbon will be provided to overlap roller core, and it can overcome the deficiencies in the prior art.The object of the present invention is achieved like this, and a kind of processing method of carbon cover roller core, is characterized in that: procedure of processing is as follows:
1) alignment: operating equipment-straightener
Carry out alignment by after the blanking of centrifugally cast carbon cover body of roll, total length linearity controls at 0.5mm;
2) processing technology benchmark guiding seam and friction pair: operating equipment-pipe bed
Carry out centering according to carbon cover body of roll endoporus two ends and clamp, at carbon cover body of roll end processing guiding seam, it is consistent that the guiding internal diameter size of seam and carbon overlap body of roll roughing internal diameter size, guiding mouth depth is the guiding seam internal diameter of 2 times, then at guiding seam Excircle machining one section of friction pair, friction pair outside dimension is that finished product outside dimension adds 3mm, and length is 100mm;
3) bore hole: operating equipment-deep hole boring machine
With the seam that leads for benchmark, carbon is overlapped body of roll clamping on deep hole boring machine and centering is carried out at two ends, adopt the processing method pushing away boring, carbon cover body of roll endoporus is processed;
4) car two ends end face and seam processing excircles centering benchmark: operating equipment-pipe bed
Carbon is overlapped body of roll clamping on pipe bed, adopt dial gauge to process endoporus to two ends and carry out centering, endoporus jitter values is made to control within 0.02mm, car two ends end face and seam, control the carbon cover body of roll and seam length, on the cylindrical of two ends, process centering benchmark, the processing request of centering benchmark is that carbon cover body of roll two ends car goes out, and width is 10mm simultaneously;
5) rough turn carbon cover body of roll cylindrical: operating equipment-C6180, C6280 lathe
Two ends adopt chuck to carry out clamping, and the two ends centering benchmark according to having processed carries out integrally correction, and jitter values controls within 0.02mm, carries out rough turn according to design drawing to each several part cylindrical, stays allowance 2-3mm;
6) the static unbalance amount of the carbon cover body of roll is checked: operating equipment-platform and haltere
Make it level at platform colonel positive balance rod, then carbon good for the roughing cover body of roll is placed on haltere, carries out inspection amount of unbalance;
7) to reprocess and countermeasure: if static unbalance amount exceeds standard, then need to check carbon cover body of roll wall thickness and jitter values, and reprocess accordingly according to the numerical value checked;
8) finish turning carbon cover body of roll cylindrical and each several part length: operating equipment C6180, C6280 lathe carbon cover body of roll two ends adopt chuck to carry out clamping, integrally correction is carried out as benchmark using the two ends cylindrical of processing, centering precision controlling is within 0.02mm, according to design drawing, fine finishining is carried out to each portion cylindrical and length entirety, and stay the grinding allowance of 0.15mm;
9) postwelding processing carbon cover body of roll two ends surplus: operating equipment-C6180, C6280 lathe
Two ends adopt chuck to carry out centering and clamping using the cover of finish turning carbon body of roll cylindrical as benchmark, and car two ends welding allowance for shrinkage, stays the mill allowance of 0.15mm;
10) thick, the finish turning of two ends spindle nose: operating equipment-pipe bed
By spindle nose clamping on pipe bed, clamping centering is carried out at two ends, carries out rough turn, finish turning according to design drawing size, and stays the mill allowance of 0.15mm;
11) the spindle nose end that thermal baffle good for uniform welding and insertion carbon overlap in the body of roll is connected;
12) grinding of carbon cover roller core
Spindle nose is loaded onto at carbon cover body of roll two ends, with the carbon cover body of roll for centering benchmark, respectively grinding is carried out to two ends spindle nose, and then with two ends spindle nose for benchmark is to the grinding of the carbon cover body of roll, guarantee that the overall jitter values of carbon cover roller core, roughness, cylindricity, size tolerance requirements meet design drawing requirement completely;
13) require to carry out Excircle machining to carbon cover according to design drawing, what described carbon cover adopted is ceramic material;
14) assemble according to general assembly design drawing.
The present invention's flexural deformation of in use causing due to wall thickness deviation of anti-blocking cover roller core effectively, thus improve the service life of carbon cover roller core greatly, improve more than 1 times service life than the product of prior art processing.Improve crudy and the production efficiency of product, under equal working condition, output per day is more than 1.5 times of prior art processing output, thus reduces the consumption of the energy, has saved production cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is carbon cover roller core structural representation;
Fig. 3 is carbon nested structure schematic diagram;
1. the body of roll, 2. carbon cover, 3. spindle nose, 4. thermal baffle, 5. seam, 6. endoporus.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described;
Service life is reduced because carbon cover roller core in use easily produces bending, and carbon cover roller core bends to a great extent because the inhomogeneities of wall thickness causes, in order to ensure the service life of carbon cover roller core, main purpose improves the machining accuracy of the carbon cover body of roll, reduces wall thickness deviation value, improves the cylindricity of the carbon cover body of roll, axiality and total run-out.In order to reach above-mentioned requirements, a kind of processing method of carbon cover roller core, is characterized in that: procedure of processing is as follows:
1) alignment: operating equipment-straightener
Carry out alignment by after the blanking of centrifugally cast carbon cover body of roll, total length linearity controls at 0.5mm;
2) processing technology benchmark guiding seam and friction pair: operating equipment-pipe bed
Carry out centering according to carbon cover body of roll endoporus two ends and clamp, at carbon cover body of roll end processing guiding seam, it is consistent that the guiding internal diameter size of seam and carbon overlap body of roll roughing internal diameter size, guiding mouth depth is the guiding seam internal diameter of 2 times, then at guiding seam Excircle machining one section of friction pair, friction pair outside dimension is that finished product outside dimension adds 3mm, and length is 100mm.
3) bore hole: operating equipment-deep hole boring machine
With the seam that leads for benchmark, carbon is overlapped body of roll clamping on deep hole boring machine and centering is carried out at two ends, adopt the processing method pushing away boring, carbon cover body of roll endoporus is processed; Due to be push away boring and guiding seam be machined surface, push away boring to carry out together with the action in floating hole, push away boring and guarantee processing dimension, roughness and the dimensional accuracy of machined surface are guaranteed in floating hole, and endoporus cylindricity, linearity, roughness and dimensional accuracy therefore after processing can both be guaranteed;
4) car two ends end face and seam processing excircles centering benchmark: operating equipment-pipe bed
Carbon is overlapped body of roll clamping on pipe bed, adopt dial gauge to process endoporus to two ends and carry out centering, endoporus jitter values is made to control within 0.02mm, car two ends end face and seam, control the carbon cover body of roll and seam length, on the cylindrical of two ends, process centering benchmark, the processing request of centering benchmark is that carbon cover body of roll two ends car goes out, and width is 10mm simultaneously;
5) rough turn carbon cover body of roll cylindrical: operating equipment-C6180, C6280 lathe
Two ends adopt chuck to carry out clamping, and the two ends centering benchmark according to having processed carries out integrally correction, and jitter values controls within 0.02mm, carries out rough turn according to design drawing to each several part cylindrical, stays allowance 2-3m; Should note the control of processing capacity and the adjustment of centre frame position time rough turn, time rough turn, processing capacity is unsuitable excessive, prevents radial cutting force excessive and makes carbon overlap body of roll flexural deformation; If the carbon cover body of roll is long, then intermediate demand carries out processing friction pair, sonigauge should be used during middle processing friction pair to carry out measurement carbon cover body of roll thickness, and adjust according to the numerical value of carbon cover body of roll circumference 4 positions measured, thus make the uniform wall thickness after processing.
6) the static unbalance amount of the carbon cover body of roll is checked: operating equipment-platform and haltere
Make it level at platform colonel positive balance rod, then carbon good for the roughing cover body of roll is placed on haltere, carries out inspection amount of unbalance;
7) to reprocess and countermeasure: if static unbalance amount exceeds standard, then need to check carbon cover body of roll wall thickness and jitter values, and reprocess accordingly according to the numerical value checked;
8) finish turning carbon cover body of roll cylindrical and each several part length: operating equipment C6180, C6280 lathe carbon cover body of roll two ends adopt chuck to carry out clamping, integrally correction is carried out as benchmark using the two ends cylindrical of processing, centering precision controlling is within 0.02mm, according to design drawing, fine finishining is carried out to each portion cylindrical and length entirety, and stay the grinding allowance of 0.15mm; During finish turning, processing capacity is unsuitable excessive, prevent radial cutting force excessive and make carbon overlap body of roll flexural deformation, in each 30mm wide region in two ends, during Excircle machining, should notice that reserved certain surplus is shunk to welding, prevent the carbon caused because welding is shunk from overlapping body of roll two ends outside dimension overproof.
9) postwelding processing carbon cover body of roll two ends surplus: operating equipment-C6180, C6280 lathe
Two ends adopt chuck to carry out centering and clamping using the cover of finish turning carbon body of roll cylindrical as benchmark, and car two ends welding allowance for shrinkage, stays the mill allowance of 0.15mm;
10) thick, the finish turning of two ends spindle nose: operating equipment-pipe bed
By spindle nose clamping on pipe bed, clamping centering is carried out at two ends, carries out rough turn, finish turning according to design drawing size, and stays the mill allowance of 0.15mm;
11) the spindle nose end that thermal baffle good for uniform welding and insertion carbon overlap in the body of roll is connected; Because serviceability temperature is higher, therefore insert the spindle nose end welding thermal baffle in the carbon cover bodies of roll at two spindle noses, prevent that spindle nose is overheated causes flexural deformation.
12) grinding of carbon cover roller core
Spindle nose is loaded onto at carbon cover body of roll two ends, with the carbon cover body of roll for centering benchmark, respectively grinding is carried out to two ends spindle nose, and then with two ends spindle nose for benchmark is to the grinding of the carbon cover body of roll, guarantee that the overall jitter values of carbon cover roller core, roughness, cylindricity, size tolerance requirements meet design drawing requirement completely;
13) require to carry out Excircle machining to carbon cover according to design drawing; What the carbon cover described in described step 13) adopted is ceramic material;
14) assemble according to general assembly design drawing.
Claims (2)
1. a processing method for carbon cover roller core, is characterized in that: procedure of processing is as follows:
1) alignment: operating equipment-straightener
Carry out alignment by after the blanking of centrifugally cast carbon cover body of roll, total length linearity controls at 0.5mm;
2) processing technology benchmark guiding seam and friction pair: operating equipment-pipe bed
Carry out centering according to carbon cover body of roll endoporus two ends and clamp, at carbon cover body of roll end processing guiding seam, it is consistent that the guiding internal diameter size of seam and carbon overlap body of roll roughing internal diameter size, guiding mouth depth is the guiding seam internal diameter of 2 times, then at guiding seam Excircle machining one section of friction pair, friction pair outside dimension is that finished product outside dimension adds 3mm, and length is 100mm;
3) bore hole: operating equipment-deep hole boring machine
With the seam that leads for benchmark, carbon is overlapped body of roll clamping on deep hole boring machine and centering is carried out at two ends, adopt the processing method pushing away boring, carbon cover body of roll endoporus is processed;
4) car two ends end face and seam processing excircles centering benchmark: operating equipment-pipe bed
Carbon is overlapped body of roll clamping on pipe bed, adopt dial gauge to process endoporus to two ends and carry out centering, endoporus jitter values is made to control within 0.02mm, car two ends end face and seam, control the carbon cover body of roll and seam length, on the cylindrical of two ends, process centering benchmark, the processing request of centering benchmark is that carbon cover body of roll two ends car goes out, and width is 10mm simultaneously;
5) rough turn carbon cover body of roll cylindrical: operating equipment-C6180 or C6280 lathe
Two ends adopt chuck to carry out clamping, and the two ends centering benchmark according to having processed carries out integrally correction, and jitter values controls within 0.02mm, carries out rough turn according to design drawing to each several part cylindrical, stays allowance 2-3mm;
6) the static unbalance amount of the carbon cover body of roll is checked: operating equipment-platform and haltere
Make it level at platform colonel positive balance rod, then carbon good for the roughing cover body of roll is placed on haltere, carries out inspection amount of unbalance;
7) to reprocess and countermeasure: if static unbalance amount exceeds standard, then need to check carbon cover body of roll wall thickness and jitter values, and reprocess accordingly according to the numerical value checked;
8) finish turning carbon cover body of roll cylindrical and each several part length: operating equipment C6180 or C6280 lathe carbon cover body of roll two ends adopt chuck to carry out clamping, integrally correction is carried out as benchmark using the two ends cylindrical of processing, centering precision controlling is within 0.02mm, according to design drawing, fine finishining is carried out to each portion cylindrical and length entirety, and stay the grinding allowance of 0.15mm;
9) postwelding processing carbon cover body of roll two ends surplus: operating equipment-C6180 or C6280 lathe
Two ends adopt chuck to carry out centering and clamping using the cover of finish turning carbon body of roll cylindrical as benchmark, and car two ends welding allowance for shrinkage, stays the mill allowance of 0.15mm;
10) thick, the finish turning of two ends spindle nose: operating equipment-pipe bed
By spindle nose clamping on pipe bed, clamping centering is carried out at two ends, carries out rough turn, finish turning according to design drawing size, and stays the mill allowance of 0.15mm;
11) the spindle nose end that thermal baffle good for uniform welding and insertion carbon overlap in the body of roll is connected;
12) grinding of carbon cover roller core
Spindle nose is loaded onto at carbon cover body of roll two ends, with the carbon cover body of roll for centering benchmark, respectively grinding is carried out to two ends spindle nose, and then with two ends spindle nose for benchmark is to the grinding of the carbon cover body of roll, guarantee that the overall jitter values of carbon cover roller core, roughness, cylindricity, size tolerance requirements meet design drawing requirement completely;
13) require to carry out Excircle machining to carbon cover according to design drawing;
14) assemble according to general assembly design drawing.
2. according to the processing method of a claim 1 carbon cover roller core, it is characterized in that: what the carbon cover described in described step 13) adopted is ceramic material.
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| CN201310278809.6A CN103381542B (en) | 2013-07-04 | 2013-07-04 | A kind of processing method of carbon cover roller core |
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| CN109623648B (en) * | 2019-01-03 | 2020-03-17 | 武汉船用机械有限责任公司 | Processing method of shaft parts |
| CN110102983B (en) * | 2019-06-01 | 2023-12-22 | 浙江明贺钢管有限公司 | High-temperature-resistant dry cantilever roller and preparation process thereof |
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| JP3071114B2 (en) * | 1993-12-15 | 2000-07-31 | 日新製鋼株式会社 | Sealing equipment for entrances and exits of compartments such as continuous annealing furnaces and continuous coating equipment |
| DE10254522B3 (en) * | 2002-11-22 | 2004-08-12 | Ruhstrat Gmbh | Annealing flat strips of hardened steel, repeatedly heats in protective atmosphere, flexes and cools, drawing strip linearly through cooling zones |
| CN101240408A (en) * | 2008-01-30 | 2008-08-13 | 上海君山表面技术工程股份有限公司 | Furnace roller and manufacturing method thereof |
| CN101487663A (en) * | 2009-02-20 | 2009-07-22 | 苏州汇科机电设备有限公司 | Delivery roller structure for plasma display panel annealing or firing furnace |
| WO2010107810A2 (en) * | 2009-03-17 | 2010-09-23 | Bricmont, Inc. | Furnace roller assembly |
| CN101984089A (en) * | 2010-11-29 | 2011-03-09 | 维苏威赛璐珂陶瓷(苏州)有限公司 | Novel annealing roller |
| CN202925060U (en) * | 2012-11-16 | 2013-05-08 | 黄石山力兴冶薄板有限公司 | Novel ceramic roller device for silicon steel annealing furnace |
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Address after: 214500 Jiangsu city of Taizhou province Jingjiang city new town Lishi No. 186 South Street Patentee after: JIANGSU BIAOXIN INDUSTRY CO., LTD. Address before: 214500 Jiangsu city of Taizhou province Jingjiang city new town Lishi No. 186 South Street Patentee before: Jiangsu Biaoxin Kubota Industrial Co., Ltd. |