CN102896354A - Processing method and processing device of internal and external water distribution ring guide vane axle holes of water turbine - Google Patents
Processing method and processing device of internal and external water distribution ring guide vane axle holes of water turbine Download PDFInfo
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- CN102896354A CN102896354A CN2012103305943A CN201210330594A CN102896354A CN 102896354 A CN102896354 A CN 102896354A CN 2012103305943 A CN2012103305943 A CN 2012103305943A CN 201210330594 A CN201210330594 A CN 201210330594A CN 102896354 A CN102896354 A CN 102896354A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000012545 processing Methods 0.000 title claims abstract description 23
- 238000003672 processing method Methods 0.000 title claims abstract description 13
- 238000003801 milling Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000003825 pressing Methods 0.000 claims description 10
- 238000012937 correction Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims description 3
- 238000012805 post-processing Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000035611 feeding Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 4
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Abstract
The invention discloses a processing method and a processing device of internal and external water distribution ring guide vane axle holes of a water turbine. The processing method comprises the following steps: A. marking out; B. correcting; C. roughly boring the external water distribution ring guide vane axle hole; D. roughly boring the internal water distribution ring guide vane axle hole; E. finely boring; and F. post-treating. The processing method disclosed by the invention has the characteristics of stable product quality, high precision, high efficiency and simple technique, the performance of the boring-milling machine is excellent, the technique range is extensive, the precision and production efficiency are high, the processing device has the feeding functions of a plurality of directions of upright post transverse feeding, main spindle box vertical feeding, square ram axial feeding, and the like, the boring-milling machine is matched with a rotating platform so that the location is accurate, and a processed workpiece can be rotated for 360 degrees on the rotating platform, so that holes of any angle and planes can be processed, and the processed hole and processed surface can be guaranteed to deviate from the axial line of the workpiece for a fixed angle. When being used for processing the internal and external water distribution ring guide vane axle holes of the water turbine, the processing method guarantees the coaxiality and high precision of the guide vane axle holes, simplifies the processing procedures and improves the product quality and the processing efficiency, so that the processing method has good economic benefit.
Description
Technical field
The present invention relates to a kind of hydraulic turbine exterior admission water ring, especially relate to a kind of hydraulic turbine exterior admission water ring guide vane shaft holes of both processing method and processing unit (plant) thereof.
Background technology
The hydraulic turbine is widely used a kind of hydro-electric power generating equipment in the world, and peak efficiency can reach more than 90%.As the important component part of the hydraulic turbine, its water part comprises spiral case, seat ring, ring sparger etc.Spiral case is positioned at outermost layer, from around surround seat ring.Seat ring is placed on the lower ring flange, the fixed guide vane that distributing between the upper and lower ring of seat ring, and ring sparger is placed on the seat ring.Seat ring, ring sparger size are very large, the factor affecting such as are welded in the installation process, can produce deformation, the impact assembling.And the connection of water distributor needs very high required precision, traditional Site Welding gradually by standard connect replace, namely in factory, carry out fine finishining and trial assembly is joined.Ring sparger generally is provided with 16 guide vane shaft holes of boths, and guide vane shaft holes of both connects interior admission water ring and outer gate barrel, and this guide vane shaft holes of both is horizontal by certain angle.Existing processing technology generally is that exterior admission water ring is positioned respectively processing, exists inaccurate, the exterior admission water ring guide vane shaft holes of both axiality in location and does not reach the shortcomings such as requirement, working (machining) efficiency are not high.
Summary of the invention
The object of the invention provides a kind of hydraulic turbine exterior admission water ring guide vane shaft holes of both processing method and processing unit (plant) thereof, improves inaccurate, the inside and outside annular distance axiality in location that exists in the existing ring sparger guide vane shaft holes of both processing technology and does not reach the problems such as requirement, working (machining) efficiency be low.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: a kind of hydraulic turbine exterior admission water ring guide vane shaft holes of both processing method may further comprise the steps:
A. line: take the outer gate barrel machined surface as benchmark, draw the outer guide vane shaft holes of both compensation line that needs bore hole; Take the interior admission water ring machined surface as benchmark, draw the interior guide vane shaft holes of both compensation line that needs bore hole; With seat ring bottom cylindrical 16 five equilibriums and scale; Inside and outside ring sparger and seat ring assembling is fixing;
B. calibration: the frock panel of panoramic table is arranged to 25 °, with boring and milling machine spindle axis line and panoramic table centreline correction to same vertical plane position, determine that the boring and milling machine main shaft is apart from the level height of lathe bed, take boring and milling machine main shaft and double end boring cutter bar as benchmark, proofread and correct the boring bar guide bracket, make it for the good state that is slidingly matched the boring bar guide bracket to be fixed on the carrier base; Rollers on the panoramic table, seat ring backing plate are proofreaied and correct and be fixed on the panoramic table;
C. heavy boring outer gate barrel guide vane shaft holes of both: the support running roller height that improves panoramic table, seat ring and exterior admission water ring are placed on the support running roller of panoramic table, drive the rotation outer gate barrel by the sidepiece locating wheel, make that 0 ° of angle line on the first graduation mark and panoramic table coincide on the seat ring, after reducing the running roller height, allow the seat ring backing plate to loading status, locking pressure plate, fixing seat ring, record boring and milling machine main shaft and column coordinate position of living in, heavy boring outer gate barrel preformed hole changes face cutter again, rough mills outer gate barrel preformed hole outside end face; Then unclamp pressing plate, improve the running roller height, make the seat ring bottom surface by supporting running roller to support, rotation sidepiece locating wheel allows seat ring reduce the running roller height after panoramic table rotates 22.5 °, allows the seat ring backing plate to loading status, be fixed seat ring, process successively all the other preformed holes;
D. heavy boring interior admission water ring guide vane shaft holes of both: improve and support the running roller height on the panoramic table, drive the rotation seat ring by the sidepiece locating wheel, again allow seat ring rotation to 0 ° of angle line on its first graduation mark and the panoramic table fit like a glove, after reducing the running roller height, allow the seat ring backing plate to loading status, locking pressure plate, fixing seat ring, record boring and milling machine main shaft and column coordinate position of living in, change the double end boring cutter bar, hang an end and supported by the boring bar guide bracket, heavy boring interior admission water ring preformed hole is scraped inboard, preformed hole hole and outside end face; Then unclamp pressing plate, improve the running roller height, make the seat ring bottom surface by supporting running roller to support, rotation sidepiece locating wheel allows seat ring reduce the running roller height after panoramic table rotates 22.5 °, allows the seat ring backing plate to loading status, be fixed seat ring, process successively all the other preformed holes;
E. right boring: the morpheme dimensional tolerance in each hole behind the inspection heavy boring, improve and support the running roller height on the panoramic table, drive the rotation seat ring by the sidepiece locating wheel, again allow 0 ° of angle line on the first graduation mark and panoramic table fits like a glove on the seat ring, reduce the running roller height after, seat ring backing plate 13 is adjusted to loading status, locking pressure plate, fixedly seat ring records boring and milling machine main shaft and column coordinate position of living in, right boring exterior admission water ring preformed hole;
F. post processing: exterior admission water ring is unloaded from seat ring, remove exterior admission water ring burr, greasy dirt.
A kind of processing unit (plant) of processing above-mentioned hydraulic turbine exterior admission water ring guide vane shaft holes of both comprises panoramic table, and described panoramic table comprises base, and the base top is provided with the frock panel; The panoramic table right side is provided with lathe bed, be provided with column on the lathe bed, be provided with crane on the column, be provided with main spindle box on the crane, the side's of being provided with ram on the main spindle box, square ram is connected with leading screw with square ram servomotor, and square ram is provided with main shaft near panoramic table one end, main shaft is connected with spindle servo electric machine with speed changer, is provided with the double end boring cutter bar on the main shaft.
As preferably, described panoramic table frock face and base are the inclination angle and arrange, frock panel one end and base one end are hinged, the base other end is provided with nut sleeve, nut sleeve has screwed togather screw mandrel, and the frock panel other end is withstood on this screw mandrel top, and cover has gear ring on the described nut sleeve, gear ring contacts with driving gear, and driving gear is connected with the adjustment motor by decelerator; Frock panel central authorities are provided with the carrier base perpendicular to the frock panel, and the periphery place of frock panel is provided with a plurality of rollers, is provided with eccentric roll shaft on the rollers, are arranged with workpiece on the eccentric roll shaft and support running roller; Workpiece supports the running roller periphery to be provided with the sidepiece locating wheel, is provided with set bolt and seat ring backing plate near the rollers, is provided with pressing plate on the set bolt, and the carrier base top is provided with the boring bar guide bracket, is provided with the boring bar supported hole on the boring bar guide bracket.
As preferably, described double end boring cutter bar comprises handle of a knife, extension rod, and described handle of a knife is provided with driving groove on the inclined-plane, is provided with the extension rod installing hole on the handle of a knife working face, is provided with the extension rod fixed screw holes on the handle of a knife face of cylinder; Be provided with two handle of a knife installing holes on the extension rod, the extension rod side is provided with the handle of a knife fixed screw holes.
The present invention has the characteristics such as constant product quality, precision is high, efficient is high, technique is simple, its boring and milling machine function admirable, processing range is extensive, precision and production efficiency are high, and it has the ability of a plurality of direction feedings such as column traverse feed, main spindle box vertical feed, square ram axial feed, and boring and milling machine cooperates panoramic table, accurate positioning, workpiece can turn round 360 ° on panoramic table, can process hole and the plane of any angle, guarantees that machining hole, machined surface and axis of workpiece depart from fixed angle.Hydraulic turbine exterior admission water ring guide vane shaft holes of both is added man-hour, can use the double end boring cutter bar simultaneously annular distance in the ring sparger and outer annular distance to be processed, guarantee axiality and the high accuracy of guide vane shaft holes of both, simplify manufacturing procedure, improve product quality and working (machining) efficiency, had good economic benefit.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is that panoramic table A is to schematic diagram;
Fig. 3 is the schematic diagram of B part shown in Figure 1;
Fig. 4 is the schematic diagram of double end boring cutter bar.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, technical scheme of the present invention is described in further detail.
Fig. 1 is structural representation of the present invention, Fig. 2 be panoramic table A to schematic diagram, Fig. 3 is the schematic diagram of B shown in Figure 1 part, Fig. 4 is the schematic diagram of double end boring cutter bar.The procedure of processing of hydraulic turbine exterior admission water ring guide vane shaft holes of both processing method is: A. line: take outer gate barrel machined surface 381 as benchmark, mark 224,25 ° of angle correct lines of outer gate barrel guide vane shaft holes of both 16-Ф, bottom surface vertical correction line; Take interior admission water ring machined surface 382 as benchmark, mark interior admission water ring guide vane shaft holes of both 16-Ф 140, bottom surface vertical correction line; With seat ring 39 bottom cylindricals, 16 five equilibriums and scale, seat ring 39 upper end are drawn the vertical correction line.With inside and outside ring sparger by drawing, centering vertical correction line, fixing with seat ring 39 assemblings.
B. calibration: the frock panel 2 of panoramic table is arranged to 25 °, the rollers 4 on the panoramic table 1, seat ring backing plate 13 are proofreaied and correct and be fixed on the frock panel 2; Be fixed on the base 101 after main shaft 27 symmetrical corrections the with panoramic table 1 and exterior admission water ring guide vane shaft holes of both and processing boring and milling machine, allow boring and milling machine main shaft 27 axial lines and panoramic table 1 centreline correction to same vertical centred position, determine that boring and milling machine main shaft 27 is apart from the level height of lathe bed 17, take boring and milling machine main shaft 27 and double end boring cutter bar 30 as benchmark, proofread and correct boring bar guide bracket 15, make it for the good state that is slidingly matched boring bar guide bracket 15 to be fixed on the carrier base 3.
C. heavy boring outer gate barrel guide vane shaft holes of both: seat ring 39 bottom surfaces are supported by the workpiece support running roller 8 on the eccentric roll shaft 5, drive eccentric roll shaft 5 rotations to high-order by servomotor 7, improve support running roller 8 height on the panoramic table with this, driving sidepiece locating wheel 9 by servomotor 11 comes seat ring 39 is rotated correction, allow 0 ° of angle line on the first graduation mark and panoramic table fits like a glove on the seat ring 39, then driving eccentric roll shaft 5 by servomotor 7 rotates to low level, workpiece support running roller 8 is separated with seat ring 39 bottom surfaces, allow seat ring backing plate 13 become loading status, locking pressure plate 14, fixedly seat ring 39, record boring and milling machine main shaft 27 and column 18 coordinate positions of living in, heavy boring outer gate barrel preformed hole Ф 224, Ф 160 hole made allowances 2, speed of mainshaft 300r/min, amount of feeding 0.2mm/r; Change face cutter, rough mill outer gate barrel preformed hole Ф 224 outside end faces, size 200 surpluses 2, speed of mainshaft speed of mainshaft 300r/min, amount of feeding 0.2mm/r; Then unclamp pressing plate 14, running roller 8 height are supported in rear reduction, allow seat ring backing plate 13 to loading status, are fixed seat ring 39, and rotation sidepiece locating wheel 9 allows seat ring 39 compress after panoramic table 1 rotates 22.5 °, processes successively all the other preformed holes.
D. heavy boring interior admission water ring guide vane shaft holes of both: with reference to the described method of adjustment of C step, again allow seat ring 39 rotations to 0 ° of angle line on its first graduation mark and the panoramic table fit like a glove, seat ring 39 high scale lines are stayed meticulous mark at panoramic table 1, after reducing running roller 8 height, seat ring backing plate 13 is adjusted to loading status, locking pressure plate 14, fixedly seat ring 39, record boring and milling machine main shaft 27 and column 18 coordinate positions of living in, change double end boring cutter bar 30, hang an end and supported by boring bar guide bracket 15, heavy boring interior admission water ring preformed hole Ф 140 made allowance 2(select suitable cutter head, also can be simultaneously again boring scrape the outer gate barrel preformed hole); Scrape the preformed hole inner side end, size 765.17 made allowances 1 are scraped preformed hole outside end face, size 100 made allowances 1, speed of mainshaft 300r/min, amount of feeding 0.2mm/r again; Unclamp pressing plate, turn down the seat ring backing plate, make the seat ring bottom surface by supporting running roller to support, rotation sidepiece locating wheel allows seat ring compress after panoramic table rotates 22.5 °, processes successively all the other preformed holes.
E. right boring: the morpheme dimensional tolerance in each hole behind the inspection heavy boring, improve and support running roller 8 height on the panoramic table, drive rotation seat ring 39 by sidepiece locating wheel 9, again allow 0 ° of angle line on the first graduation mark and panoramic table fits like a glove on the seat ring 39, after reducing running roller 8 height, seat ring backing plate 13 is adjusted to loading status, locking pressure plate 14, fixedly seat ring 39, record boring and milling machine main shaft 27 and column 18 coordinate positions of living in, right boring outer gate barrel hole Ф 224+0.15 0, dark 1800-0.15,5.75 * 45 ° of chamferings, Ф 160+0.046+0.021, end face accounts for attacks 3 * 45 ° of 8-M20 bottom outlet chamferings; Then unclamp pressing plate 14, running roller 8 height are supported in rear reduction, allow seat ring backing plate 13 to loading status, are fixed seat ring 39, and rotation sidepiece locating wheel 9 allows seat ring 39 compress after panoramic table 1 rotates 22.5 °, processes successively all the other preformed holes;
Again allow 0 ° of angle line on the first graduation mark and panoramic table fits like a glove on the seat ring 39, seat ring 39 high scale lines are stayed meticulous mark at panoramic table 1, after reducing running roller 8 height, seat ring backing plate 13 is adjusted to loading status, locking pressure plate 14, fixedly seat ring 39, record boring and milling machine main shaft 27 and column 18 coordinate positions of living in, right boring interior admission water ring hole Ф 140+0.063 0; Scrape the hole inner side end, size 765.17 is scraped the outside, hole end face, size 1000-0.05, inboard aperture is along 8.1 * 45 ° of chamferings, and apertura lateralis is along 2 * 45 °, speed of mainshaft 400r/min, amount of feeding 0.15mm/r, accounting for the hole is M20-H2 with screw tap, accounting for the hole is Ф 17.5 with fluted drill.
F. post processing: exterior admission water ring is unloaded from seat ring, remove exterior admission water ring guide vane shaft holes of both burr, greasy dirt.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the processing unit (plant) that uses in the processing of hydraulic turbine exterior admission water ring, comprise panoramic table 1, described panoramic table 1 comprises base 101, base 101 tops are provided with frock panel 2, frock panel 2 is the inclination angle with base 101 and arranges, frock panel 2 one ends and base 101 1 ends are hinged, base 101 other ends are provided with nut sleeve 102, and nut sleeve 102 has screwed togather screw mandrel 103, and frock panel 2 other ends are withstood on these screw mandrel 103 tops, cover has gear ring 104 on the described nut sleeve 102, gear ring 104 contacts with driving gear 105, and driving gear 105 is arranged on decelerator 106 output shafts, and decelerator 106 power shafts are connected with adjustment motor 107.Frock panel 2 central authorities are provided with the carrier base 3 perpendicular to frock panel 2, the periphery place of frock panel 2 is provided with a plurality of rollers 4, be provided with eccentric roll shaft 5 on the rollers 4, eccentric roll shaft 5 is connected with the output shaft of decelerator 6, and the power shaft of decelerator 6 is connected with servomotor 7; Be arranged with workpiece on the eccentric roll shaft 5 and support running roller 8; Workpiece supports running roller 8 peripheries to be provided with sidepiece locating wheel 9, and the wheel shaft of sidepiece locating wheel 9 is connected with the output shaft of decelerator 10, and the power shaft of decelerator 10 is connected with servomotor 11; Be provided with set bolt 12 and seat ring backing plate 13 near the rollers 4, be provided with pressing plate 14 on the set bolt 12, carrier base 3 tops are provided with boring bar guide bracket 15, are provided with boring bar supported hole 16 on the boring bar guide bracket 15, and boring bar supported hole 16 is parallel to base 101.
Panoramic table 1 right side is provided with lathe bed 17, is provided with column 18 on the lathe bed 17, and lathe bed 17 bottoms are provided with hydrostatic slideway 19.Be provided with crane 20 on the column 18, the transmission device of crane 20 comprises leading screw 21, crane drive motors 22, and crane drive motors 22 is arranged on column 18 tops, and leading screw 21 is fixed on the column 18.Be provided with main spindle box 23 on the crane 20, the side's of being provided with ram 24 on the main spindle box 23, side's ram 24 and square ram servomotor 25 are connected with leading screw and are connected, and square ram 24 close panoramic table 1 one ends are provided with main shaft 27, and main shaft 27 and speed changer 28 are connected with spindle servo electric machine and are connected.
Be provided with double end boring cutter bar 30 on the main shaft 27, described double end boring cutter bar comprises handle of a knife 31, extension rod 32, described handle of a knife is provided with driving groove 33 on 31 inclined-planes, is provided with extension rod installing hole 34 on handle of a knife 31 working faces, is provided with extension rod fixed screw holes 35 on the handle of a knife face of cylinder; Described extension rod 32 is ladder-type structure axially, is provided with two handle of a knife installing holes 36 on the extension rod 32, and two different boring cutters can be installed, and extension rod 32 sides are provided with handle of a knife fixed screw holes 37, and handle of a knife fixed bolt hole 37 is perpendicular to handle of a knife installing hole 36.
Double end boring cutter bar 30 usings method: at main shaft 27 double end boring cutter bar 30 is installed, the driving groove 33 on handle of a knife 31 inclined-planes is aimed at main shaft 27, locking knife handle 31.Extension rod 32 is inserted in the extension rod installing hole 34, extension rod 32 other ends insert in the boring bar supported hole 16 of workbench, in extension rod fixed screw holes 35, install and fix screw, locking extension rod 32, boring cutter is installed on the extension rod 32 subsequently, install and fix screw in extension rod side handle of a knife fixed screw holes 37, the locking boring cutter is processed the ring sparger guide vane shaft holes of both by scribing position.
Claims (4)
1. hydraulic turbine exterior admission water ring guide vane shaft holes of both processing method is characterized in that this processing method may further comprise the steps:
A. line: take the outer gate barrel machined surface as benchmark, draw the outer guide vane shaft holes of both compensation line that needs bore hole; Take the interior admission water ring machined surface as benchmark, draw the interior guide vane shaft holes of both compensation line that needs bore hole; With seat ring bottom cylindrical 16 five equilibriums and scale; Inside and outside ring sparger and seat ring assembling is fixing;
B. calibration: the frock panel of panoramic table is arranged to 25 °, with boring and milling machine spindle axis line and panoramic table centreline correction to same vertical plane position, determine that the boring and milling machine main shaft is apart from the level height of lathe bed, take boring and milling machine main shaft and double end boring cutter bar as benchmark, proofread and correct the boring bar guide bracket, make it for the good state that is slidingly matched the boring bar guide bracket to be fixed on the carrier base; Rollers on the panoramic table, seat ring backing plate are proofreaied and correct and be fixed on the panoramic table;
C. heavy boring outer gate barrel guide vane shaft holes of both: the support running roller height that improves panoramic table, seat ring and exterior admission water ring are placed on the support running roller of panoramic table, drive the rotation outer gate barrel by the sidepiece locating wheel, make that 0 ° of angle line on the first graduation mark and panoramic table coincide on the seat ring, after reducing the running roller height, allow the seat ring backing plate to loading status, locking pressure plate, fixing seat ring, record boring and milling machine main shaft and column coordinate position of living in, heavy boring outer gate barrel preformed hole changes face cutter again, rough mills outer gate barrel preformed hole outside end face; Then unclamp pressing plate, improve the running roller height, make the seat ring bottom surface by supporting running roller to support, rotation sidepiece locating wheel allows seat ring reduce the running roller height after panoramic table rotates 22.5 °, allows the seat ring backing plate to loading status, be fixed seat ring, process successively all the other preformed holes;
D. heavy boring interior admission water ring guide vane shaft holes of both: improve and support the running roller height on the panoramic table, drive the rotation seat ring by the sidepiece locating wheel, again allow seat ring rotation to 0 ° of angle line on its first graduation mark and the panoramic table fit like a glove, after reducing the running roller height, allow the seat ring backing plate to loading status, locking pressure plate, fixedly seat ring records boring and milling machine main shaft and column coordinate position of living in, change the double end boring cutter bar, hang an end and supported by the boring bar guide bracket, heavy boring interior admission water ring preformed hole is scraped inboard, preformed hole hole and outside end face, then unclamp pressing plate, improve the running roller height, make the seat ring bottom surface by supporting running roller to support, rotate the sidepiece locating wheel, allow seat ring after panoramic table rotates 22.5 °, reduce the running roller height, allow the seat ring backing plate to loading status, be fixed seat ring, process successively all the other preformed holes;
E. right boring: the morpheme dimensional tolerance in each hole behind the inspection heavy boring, improve and support the running roller height on the panoramic table, drive the rotation seat ring by the sidepiece locating wheel, again allow 0 ° of angle line on the first graduation mark and panoramic table fits like a glove on the seat ring, reduce the running roller height after, seat ring backing plate 13 is adjusted to loading status, locking pressure plate, fixedly seat ring records boring and milling machine main shaft and column coordinate position of living in, right boring exterior admission water ring preformed hole;
F. post processing: exterior admission water ring is unloaded from seat ring, remove exterior admission water ring burr, greasy dirt.
2. the described hydraulic turbine exterior admission water ring guide vane shaft holes of both processing unit (plant) of processing comprises panoramic table, and described panoramic table comprises base, and the base top is provided with the frock panel; The panoramic table right side is provided with lathe bed, be provided with column on the lathe bed, be provided with crane on the column, be provided with main spindle box on the crane, the side's of being provided with ram on the main spindle box, square ram is connected with leading screw with square ram servomotor, and square ram is provided with main shaft near panoramic table one end, main shaft is connected with spindle servo electric machine with speed changer, is provided with the double end boring cutter bar on the main shaft.
3. hydraulic turbine exterior admission water ring guide vane shaft holes of both processing unit (plant) according to claim 2 is characterized in that described panoramic table frock panel and base are the inclination angle and arrange; Frock panel one end and base one end are hinged, and the base other end is provided with nut sleeve, and nut sleeve has screwed togather screw mandrel, the frock panel other end is withstood on this screw mandrel top, cover has gear ring on the described nut sleeve, and gear ring contacts with driving gear, and driving gear is connected with the adjustment motor by decelerator; Frock panel central authorities are provided with the carrier base perpendicular to the frock face, and the periphery place of frock panel is provided with a plurality of rollers, is provided with eccentric roll shaft on the rollers, are arranged with workpiece on the eccentric roll shaft and support running roller; Workpiece supports the running roller periphery to be provided with the sidepiece locating wheel, is provided with set bolt and seat ring backing plate near the rollers, is provided with pressing plate on the set bolt, and the carrier base top is provided with the boring bar guide bracket, is provided with the boring bar supported hole on the boring bar guide bracket.
4. according to claim 2 or 3 described hydraulic turbine exterior admission water ring guide vane shaft holes of both processing unit (plant)s, comprise handle of a knife, extension rod, it is characterized in that being provided with driving groove on the described handle of a knife inclined-plane, be provided with the extension rod installing hole on the handle of a knife working face, be provided with the extension rod fixed screw holes on the handle of a knife face of cylinder; Be provided with two handle of a knife installing holes on the extension rod, the extension rod side is provided with the handle of a knife fixed screw holes.
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| CN201210330594.3A CN102896354B (en) | 2012-09-10 | 2012-09-10 | Hydraulic turbine exterior admission water ring guide vane shaft holes of both processing method and processing unit (plant) thereof |
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| CN202984717U (en) * | 2012-09-08 | 2013-06-12 | 湖北江汉重工有限公司 | Large cast full-automatic machining boring-milling machine |
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| CN103418993A (en) * | 2013-07-22 | 2013-12-04 | 浙江迅和机械制造有限公司 | Machining technology of top cover of large water guide mechanism |
| CN103418993B (en) * | 2013-07-22 | 2016-06-15 | 浙江迅和机械制造有限公司 | The complete processing of a kind of large-scale distributor top cover |
| CN103433717A (en) * | 2013-08-15 | 2013-12-11 | 中国航空工业集团公司北京航空制造工程研究所 | Device for enabling wall plates of wings to be automatically assembled onto and disassembled from frame |
| CN103433717B (en) * | 2013-08-15 | 2015-06-03 | 中国航空工业集团公司北京航空制造工程研究所 | Device for enabling wall plates of wings to be automatically assembled onto and disassembled from frame |
| CN105921777A (en) * | 2016-06-28 | 2016-09-07 | 上海锅炉厂有限公司 | Eccentric hole machining method |
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| CN106270612B (en) * | 2016-08-29 | 2018-03-23 | 浙江柏同机器人科技股份有限公司 | The continuously punched mechanism on workpiece |
| CN106270611B (en) * | 2016-08-29 | 2018-03-23 | 浙江柏同机器人科技股份有限公司 | The continuously punched device on workpiece |
| CN107350748A (en) * | 2017-08-16 | 2017-11-17 | 青岛淄柴博洋柴油机股份有限公司 | A kind of V-type machine body inclined-plane and the processing method of beveled aperture system |
| CN110712036A (en) * | 2019-11-13 | 2020-01-21 | 东方电气集团东方电机有限公司 | Supporting tool for preassembling water guide mechanism of hydraulic generator |
| CN111618538A (en) * | 2020-06-12 | 2020-09-04 | 重庆水轮机厂有限责任公司 | Method for machining guide vane outer ring guide vane hole of through-flow turbine |
| CN111618538B (en) * | 2020-06-12 | 2021-08-24 | 重庆水轮机厂有限责任公司 | Method for machining guide vane outer ring guide vane hole of through-flow turbine |
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