CN102962785A - Numerical-control lathe main spindle box assembling clamp and assembling method - Google Patents

Numerical-control lathe main spindle box assembling clamp and assembling method Download PDF

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Publication number
CN102962785A
CN102962785A CN2011102569672A CN201110256967A CN102962785A CN 102962785 A CN102962785 A CN 102962785A CN 2011102569672 A CN2011102569672 A CN 2011102569672A CN 201110256967 A CN201110256967 A CN 201110256967A CN 102962785 A CN102962785 A CN 102962785A
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CN
China
Prior art keywords
pull bar
spindle box
box body
main spindle
main shaft
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Pending
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CN2011102569672A
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Chinese (zh)
Inventor
何铿
胡为忠
谌忠瑞
毛华锋
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ZHEJIANG RUIYUAN MACHINE TOOL CO Ltd
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ZHEJIANG RUIYUAN MACHINE TOOL CO Ltd
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Priority to CN2011102569672A priority Critical patent/CN102962785A/en
Publication of CN102962785A publication Critical patent/CN102962785A/en
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Abstract

The invention discloses a numerical-control lathe main spindle box assembling clamp and an assembling method. The numerical-control lathe main spindle box assembling clamp comprises a nut with a handle, a thrust ball bearing, a centering plate, a pull rod, a front guide sleeve, a rear guide sleeve, a rear centering sleeve and an alignment plate. One end of the pull rod is connected with the nut with the handle through threads, the pull rod is provided with a pin hole, the outer diameter of the front guide sleeve is matched with the inner diameter of a front bearing pack, the outer diameter of the rear guide sleeve is matched with the inner diameter of a rear bearing pack, and the diameters of two ends of the centering plate are respectively matched with the diameters of a front bearing hole and a rear bearing hole of a main spindle box body. By utilizing the numerical-control lathe main spindle box assembling clamp, the front bearing pack, the rear bearing pack and other components are sequentially assembled, so that the concentricity requirement of the components can be guaranteed, the assembling quality is improved, the noise of the main spindle box is lowered, the influence of the assembling experience of a worker on the production efficiency can be reduced, the freshman worker can master the operation skin rapidly, the assembling efficiency is effectively improved, and the integral performance of a lathe can be improved.

Description

Numerical control lathe main axle box assembling jig and assembly method thereof
Technical field
The present invention relates to a kind of numerical control lathe main axle box assembling jig.
Background technology
Main spindle box is one of lathe vitals, is used for the rotation of supporting spindle and transmission main shaft, and the rotation of motor is delivered on the main shaft, and the collocation by different drive ratios reaches and reduces the speed of mainshaft and improve main-shaft torque, makes main shaft drive workpiece and realizes main motion.The spindle of numerical control lathe box part mainly is comprised of main shaft, fore bearing group, rear bearing group and main spindle box body etc.The assembling effect of main spindle box is very large on the impact of whole machine tool capability, therefore the assembling quality requirement to bearing and main shaft is very high in the assembling process, wherein the most important thing is to the front and back bearings group assembling, to spindle axis radially with Circular Run-out Tolerance and High Rotation Speed the time noise control all require very high.
In the prior art, it is take experience as Main Basis that the workman assembles spindle box part, and the qualification of workman's operation is very large on the impact of assembly quality.Doing and attach by beating cover, spacer etc., by knocking of copper rod bearing is beaten in the dead eye of main spindle box body, then also is by adding the mode that spacer and "painted-face" character in opera beat main shaft to be put into main spindle box.First the fore bearing group is installed to the position one by one during assembling, load onto front gland and compressed the fore bearing group, then main shaft is loaded onto, again the rear bearing group is driven in main spindle box by spacer at last.Although the installation requirement that frock has been considered bearing is in design overlapped in beating originally, but to the size of the dynamics of knocking and the assurance of the assembling details such as axiality between part, the main experience that still relies on the workman, the quality of assembling spindle box part out varies with each individual.The main spindle box noise has the greatest impact to final assembly quality, and hazardous noise not only pollutes the environment, and also can have a strong impact on product quality and the production cycle of processing.Simultaneously, the part axiality, knock dynamics and method appropriately whether, will produce on the assembly quality of bearing and whole spindle box part conclusive impact, and then affect the overall performance of lathe.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of numerical control lathe main axle box assembling jig and assembly method thereof are provided.
Numerical control lathe main axle box assembling jig, comprise the fore bearing group, the fore bearing hole, main spindle box body, the rear bearing hole, the rear bearing group, main shaft, front gland, spacer, locking nut, oil scraper ring, rear pressing cover, axle sleeve, belt wheel, the spindle end nut, main spindle box body is provided with fore bearing hole and the rear bearing hole of concentric, main shaft is threaded onto in fore bearing hole and the rear bearing hole, be provided with the fore bearing group between main shaft and the fore bearing hole, front gland is pressed against the outer ring of fore bearing group, and be bolted with main spindle box body and fix, spacer is threaded onto on the main shaft, spacer and fore bearing group recline and fix by locking nut, be provided with the rear bearing group between main shaft and the rear bearing hole, oil scraper ring props up the shaft shoulder of main shaft, rear pressing cover is pressed against the outer ring of rear bearing group, rear pressing cover is bolted with main spindle box body and fixes, belt wheel is fixed in rear-end of spindle by the spindle end nut, comprises band handle nut, thrust ball bearing, the centering plate, pull bar, front fairlead, rear fairlead, rear centered cover and centering plate; Pull bar one end is threaded connection with band handle nut, pull bar is provided with pin-and-hole, front fairlead external diameter cooperates with fore bearing group internal diameter, and rear fairlead external diameter cooperates with rear bearing group internal diameter, and centering plate two ends diameter cooperates with fore bearing hole and the rear bearing bore dia of main spindle box body respectively.
The assembly method of numerical control lathe main axle box assembling jig may further comprise the steps:
1) assembling fore bearing group;
I) pull bar passes fore bearing hole and the rear bearing hole of main spindle box body successively, make the threaded end of pull bar near the rear bearing hole, the centering sleeve-board is loaded on pull bar, be equipped with bolt by the screw that is used for fixing rear pressing cover on the main spindle box body and fix the centering plate, thrust ball bearing and band handle nut sleeve are loaded on the threaded end of pull bar, thrust ball bearing is fixed in centering plate and the groove with handle nut opposing end surface;
Ii) fore bearing group and front fairlead sequentially are connected on pull bar near the end outside the fore bearing hole, front fairlead is advanced fore bearing group inner ring, cooperate the front fairlead of adjustment and the position of fore bearing group on pull bar with pin by the pin-and-hole on the pull bar, make front fairlead partly be positioned at fore bearing group inner ring;
Iii) rotating band handle nut, to be delivered on the right side of front fairlead with the power that produces that rotatablely moves of handle nut through thrust ball bearing, rap band handle nut with hammer, thereby promoting fore bearing is assembled in the fore bearing hole of main spindle box body, finish the assembling of fore bearing group, and the dismounting assembling jig;
2) assembling rear bearing group;
I) pull bar passes fore bearing hole and the rear bearing hole of main spindle box body successively, make the threaded end of pull bar near the fore bearing hole, the centering sleeve-board is loaded on the threaded end of pull bar, be equipped with bolt by the screw that is used for fixing front gland on the main spindle box body centering plate is fixed in main spindle box body, thrust ball bearing and band handle nut sleeve are loaded on the threaded end of pull bar, thrust ball bearing is fixed in centering plate and the groove with handle nut opposing end surface;
Ii) rear bearing group and rear fairlead sequentially are connected on pull bar near the end outside the rear bearing hole, rear fairlead is advanced rear bearing group inner ring, cooperate the rear fairlead of adjustment and the position of rear bearing group on pull bar with pin by the pin-and-hole on the pull bar, make rear fairlead partly be positioned at rear bearing group inner ring;
Iii) rotating band handle nut, after thrust ball bearing will be delivered to the power that rotatablely moving of handle nut produces, on the fairlead, rap band handle nut with hammer, be assembled in the rear bearing hole of main spindle box body thereby promote rear bearing, finish the assembling of rear bearing group, and the dismounting assembling jig;
3) assembling main shaft and other parts;
I) front gland is fixed in outside the fore bearing hole of main spindle box body, on pull bar, the threaded end of pull bar is positioned at the outside, fore bearing hole, and main shaft is passed front gland, fore bearing group, spacer, locking nut, oil scraper ring and rear bearing group successively with collar bush;
Ii) centering plate, thrust ball bearing and band handle nut are set in the threaded end of pull bar successively, centering plate is packed into the endoporus of main shaft, make thrust ball bearing be fixed in centering plate and with in the groove on the handle nut opposing end surface, rear centered cover is set in the other end of pull bar, be equipped with bolt by the screw that is used for fixing rear pressing cover on the main spindle box body rear centered cover is fixed in main spindle box body, rear centered cover left end is by pin and pull bar location;
Iii) rotating band handle nut will be delivered on the main shaft with the power that produces that rotatablely moves of handle nut through thrust ball bearing, raps band handle nut with hammer, thereby main shaft is drawn in the main spindle box body;
Iv) spacer is close to fore bearing group and lock with locking nut, centered cover after removing, rear pressing cover is fixed in the outside, rear bearing hole, successively axle sleeve, belt wheel and spindle end nut are set in main shaft from the outside, rear bearing hole, axle sleeve one end props up the shaft shoulder of main shaft, and the axle sleeve other end is close to belt wheel, by the spindle end nut belt wheel is fixed in main shaft, finish the assembling of main shaft, dismounting band handle nut, thrust ball bearing, pull bar and centering plate.
The present invention is simple in structure, easy to operate, use the present invention, employing is equipped with the method running in bearings group of rapping by the axial tightening of pull rod screw, front and back bearings hole by main spindle box body makes the part centerings such as front and back bearings group and main shaft, bearing group, the major parts such as main shaft navigate on the axial line of main spindle box body by assembling jig, guaranteed the axiality requirement of part, improved assembly quality, reduced the main spindle box noise, reduced workman's assembling experience to the impact of production efficiency, allowed new hand workman can grasp rapidly operation skill, Effective Raise efficiency of assembling, improved the overall performance of lathe.
Description of drawings
Fig. 1 is the schematic diagram of numerical control lathe main axle box assembling jig assembling fore bearing group of the present invention;
Fig. 2 is the schematic diagram of numerical control lathe main axle box assembling jig assembling rear bearing group of the present invention;
Fig. 3 is the schematic diagram of numerical control lathe main axle box assembling jig assembling main shaft of the present invention;
Fig. 4 is the assembling schematic diagram of numerical control lathe main axle box of the present invention;
Among the figure, band handle nut 1, thrust ball bearing 2, centering plate 3, pull bar 4, front fairlead 5, fore bearing group 6, fore bearing hole 7, main spindle box body 8, rear bearing hole 9, rear bearing group 10, rear fairlead 11, rear centered cover 12, centering plate 13, main shaft 14, front gland 15, spacer 16, locking nut 17, oil scraper ring 18, rear pressing cover 19, axle sleeve 20, belt wheel 21, spindle end nut 22.
The specific embodiment
Such as Fig. 1,2, shown in 3, a kind of numerical control lathe main axle box assembling jig, comprise fore bearing group 6, fore bearing hole 7, main spindle box body 8, rear bearing hole 9, rear bearing group 10, main shaft 14, front gland 15, spacer 16, locking nut 17, oil scraper ring 18, rear pressing cover 19, axle sleeve 20, belt wheel 21, spindle end nut 22, main spindle box body 8 is provided with fore bearing hole 7 and the rear bearing hole 9 of concentric, main shaft 14 is threaded onto in fore bearing hole 7 and the rear bearing hole 9, be provided with fore bearing group 6 between main shaft 14 and the fore bearing hole 7, front gland 15 is pressed against the outer ring of fore bearing group 6, and be bolted with main spindle box body 8 fixing, spacer 16 is threaded onto on the main shaft 14, spacer 16 reclines with fore bearing group 6 and is fixing by locking nut 17, be provided with rear bearing group 10 between main shaft 14 and the rear bearing hole 9, oil scraper ring 18 props up the shaft shoulder of main shaft 14, rear bearing group 10 inboards are sealed, rear pressing cover 19 is pressed against the outer ring of rear bearing group 10, rear pressing cover 19 is bolted with main spindle box body 8 fixing, belt wheel 21 is fixed in main shaft 14 rear ends by spindle end nut 22, comprises band handle nut 1, thrust ball bearing 2, centering plate 3, pull bar 4, front fairlead 5, rear fairlead 11, rear centered cover 12 and centering plate 13; Pull bar 4 one ends are threaded connection with band handle nut 1, pull bar 4 is provided with pin-and-hole, front fairlead 5 external diameters cooperate with fore bearing group 6 internal diameters, rear fairlead 11 external diameters cooperate with rear bearing group 10 internal diameters, and centering plate 3 two ends diameters cooperate with fore bearing hole 7 and rear bearing hole 9 diameters of main spindle box body 8 respectively.
As shown in Figure 4, the spindle of numerical control lathe case comprises fore bearing group 6, fore bearing hole 7, main spindle box body 8, rear bearing hole 9, rear bearing group 10, main shaft 14, front gland 15, spacer 16, locking nut 17, oil scraper ring 18, rear pressing cover 19, axle sleeve 20, belt wheel 21, spindle end nut 22.In the assembling process, the assemble sequence of fore bearing group 6 and rear bearing group 10 can be changed mutually, and little on the assembly quality impact.
The assembly method of numerical control lathe main axle box assembling jig may further comprise the steps:
1) assembling fore bearing group 6;
I) pull bar 4 passes fore bearing hole 7 and the rear bearing hole 9 of main spindle box body 8 successively, make pull bar 4 threaded ends near rear bearing hole 9, centering plate 3 is set in pull bar 4, be equipped with bolt by the screw that is used for fixing rear pressing cover 19 on the main spindle box body 8 and fix centering plate 3, thrust ball bearing 2 and band handle nut 1 are set on the pull bar 4 threaded ends, thrust ball bearing 2 is fixed in centering plate 3 and the groove with handle nut 1 opposing end surface;
Ii) fore bearing group 6 and front fairlead 5 orders are connected on pull bar 4 near the end outside the fore bearing hole 7, front fairlead 5 is advanced fore bearing group 6 inner rings, cooperate the front fairlead 5 of adjustment and the position of fore bearing group 6 on pull bar 4 with pin by the pin-and-hole on the pull bar 4, make front fairlead 5 parts be positioned at fore bearing group 6 inner rings;
Iii) rotating band handle nut 1, to be delivered on the right side of front fairlead 5 with the power that produces that rotatablely moves of handle nut 1 through thrust ball bearing 2, rap band handle nut 1 with hammer, thereby promoting fore bearing group 6 puts in the fore bearing hole 7 of main spindle box body 8, finish the assembling of fore bearing group 6, and the dismounting assembling jig;
2) assembling rear bearing group 10;
I) pull bar 4 passes fore bearing hole 7 and the rear bearing hole 9 of main spindle box body 8 successively, make pull bar 4 threaded ends near fore bearing hole 7, centering plate 3 is set in pull bar 4 threaded ends, be equipped with bolt by the screw that is used for fixing front gland 15 on the main spindle box body 8 centering plate 3 is fixed in main spindle box body 8, thrust ball bearing 2 and band handle nut 1 are set on the pull bar 4 threaded ends, thrust ball bearing 2 is fixed in centering plate 3 and the groove with handle nut 1 opposing end surface;
Ii) rear bearing group 10 and rear fairlead 11 orders are connected on pull bar 4 near the end outside the rear bearing hole 9, rear fairlead 11 is advanced rear bearing group 10 inner rings, cooperate the rear fairlead 11 of adjustment and the position of rear bearing group 10 on pull bar 4 with pin by the pin-and-hole on the pull bar 4, make rear fairlead 11 parts be positioned at rear bearing group 10 inner rings;
Iii) rotating band handle nut 1, after thrust ball bearing 2 will be delivered to the power that rotatablely moving of handle nut 1 produces on the fairlead 11, rap band handle nut 1 with hammer, thereby promoting rear bearing group 10 puts in the rear bearing hole 9 of main spindle box body 8, finish the assembling of rear bearing group 10, and the dismounting assembling jig;
3) assembling main shaft 14 and other parts;
I) front gland 15 is fixed in 7 outsides, fore bearing hole of main spindle box body 8, main shaft 14 is enclosed within on the pull bar 4, pull bar 4 threaded ends are positioned at 7 outsides, fore bearing hole, and main shaft 14 is passed front gland 15, fore bearing group 6, spacer 16, locking nut 17, oil scraper ring 18 and rear bearing group 10 successively;
Ii) centering plate 13, thrust ball bearing 2 and band handle nut 1 are set in pull bar 4 threaded ends successively, centering plate 13 is packed into the endoporus of main shaft 14, make thrust ball bearing 2 be fixed in centering plate 13 and with in the groove on handle nut 1 opposing end surface, rear centered cover 12 is set in the other end of pull bar 4, be equipped with bolt by the screw that is used for fixing rear pressing cover 19 on the main spindle box body 8 rear centered cover 12 is fixed in main spindle box body 8, rear centered cover 12 left ends are by pin and pull bar 4 location;
Iii) rotating band handle nut 1 will be delivered on the main shaft 14 with the power that produces that rotatablely moves of handle nut 1 through thrust ball bearing 2, raps band handle nut 1 with hammer, thereby main shaft 14 is drawn in the main spindle box body 8;
Iv) spacer 16 is close to fore bearing group 6 also with locking nut 17 lockings, centered cover 12 after removing, rear pressing cover 19 is fixed in 9 outsides, rear bearing hole, successively axle sleeve 20, belt wheel 21 and spindle end nut 22 are set in main shaft 14 from 9 outsides, rear bearing hole, axle sleeve 20 1 ends prop up the shaft shoulder of main shaft 14, axle sleeve 20 other ends are close to belt wheel 21, by spindle end nut 22 belt wheel 21 is fixed in main shaft 14, finish the assembling of main shaft 14, dismounting band handle nut 1, thrust ball bearing 2, pull bar 4 and centering plate 13.

Claims (2)

1. numerical control lathe main axle box assembling jig, comprise fore bearing group (6), fore bearing hole (7), main spindle box body (8), rear bearing hole (9), rear bearing group (10), main shaft (14), front gland (15), spacer (16), locking nut (17), oil scraper ring (18), rear pressing cover (19), axle sleeve (20), belt wheel (21), spindle end nut (22), main spindle box body (8) is provided with fore bearing hole (7) and rear bearing hole (9) of concentric, main shaft (14) is threaded onto in fore bearing hole (7) and rear bearing hole (9), be provided with fore bearing group (6) between main shaft (14) and fore bearing hole (7), front gland (15) is pressed against the outer ring of fore bearing group (6), and be bolted with main spindle box body (8) fixing, spacer (16) is threaded onto on the main shaft (14), spacer (16) reclines with fore bearing group (6) and is fixing by locking nut (17), be provided with rear bearing group (10) between main shaft (14) and rear bearing hole (9), oil scraper ring (18) props up the shaft shoulder of main shaft (14), rear pressing cover (19) is pressed against the outer ring of rear bearing group (10), rear pressing cover (19) is bolted with main spindle box body (8) fixing, belt wheel (21) is fixed in main shaft (14) rear end by spindle end nut (22), it is characterized in that comprising band handle nut (1), thrust ball bearing (2), centering plate (3), pull bar (4), front fairlead (5), rear fairlead (11), rear centered cover (12) and centering plate (13); Pull bar (4) one ends are threaded connection with band handle nut (1), pull bar (4) is provided with pin-and-hole, front fairlead (5) external diameter cooperates with fore bearing group (6) internal diameter, rear fairlead (11) external diameter cooperates with rear bearing group (10) internal diameter, and centering plate (3) two ends diameter cooperates with fore bearing hole (7) and rear bearing hole (9) diameter of main spindle box body (8) respectively.
2. the assembly method of a numerical control lathe main axle box assembling jig as claimed in claim 1 is characterized in that may further comprise the steps:
1) assembling fore bearing group (6);
I) pull bar (4) passes fore bearing hole (7) and rear bearing hole (9) of main spindle box body (8) successively, make the threaded end of pull bar (4) near rear bearing hole (9), centering plate (3) is set in pull bar (4), be equipped with bolt by the screw that is used for fixing rear pressing cover (19) on the main spindle box body (8) and fix centering plate (3), thrust ball bearing (2) and band handle nut (1) are set on the threaded end of pull bar (4), thrust ball bearing (2) is fixed in the groove of centering plate (3) and band handle nut (1) opposing end surface;
Ii) fore bearing group (6) and front fairlead (5) order are connected on pull bar (4) near the outer end in fore bearing hole (7), front fairlead (5) is advanced fore bearing group (6) inner ring, cooperate the front fairlead (5) of adjustment and the position of fore bearing group (6) on pull bar (4) with pin by the pin-and-hole on the pull bar (4), make front fairlead (5) part be positioned at fore bearing group (6) inner ring;
Iii) rotating band handle nut (1), to be delivered on the right side of front fairlead (5) with the power that produces that rotatablely moves of handle nut (1) through thrust ball bearing (2), rap band handle nut (1) with hammer, thereby promoting fore bearing group (6) puts in the fore bearing hole (7) of main spindle box body (8), finish the assembling of fore bearing group (6), and the dismounting assembling jig;
2) assembling rear bearing group (10);
I) pull bar (4) passes fore bearing hole (7) and rear bearing hole (9) of main spindle box body (8) successively, make the threaded end of pull bar (4) near fore bearing hole (7), centering plate (3) is set in the threaded end of pull bar (4), be equipped with bolt by the screw that is used for fixing front gland (15) on the main spindle box body (8) centering plate (3) is fixed in main spindle box body (8), thrust ball bearing (2) and band handle nut (1) are set on the threaded end of pull bar (4), thrust ball bearing (2) is fixed in the groove of centering plate (3) and band handle nut (1) opposing end surface;
Ii) rear bearing group (10) and rear fairlead (11) order are connected on pull bar (4) near the outer end in rear bearing hole (9), rear fairlead (11) is advanced rear bearing group (10) inner ring, cooperate the rear fairlead (11) of adjustment and the position of rear bearing group (10) on pull bar (4) with pin by the pin-and-hole on the pull bar (4), make rear fairlead (11) part be positioned at rear bearing group (10) inner ring;
Iii) rotating band handle nut (1), after thrust ball bearing (2) will be delivered to the power that rotatablely moving of handle nut (1) produces on the fairlead (11), rap band handle nut (1) with hammer, thereby promoting rear bearing group (10) puts in the rear bearing hole (9) of main spindle box body (8), finish the assembling of rear bearing group (10), and the dismounting assembling jig;
3) assembling main shaft (14) and other parts;
I) front gland (15) is fixed in outside the fore bearing hole (7) of main spindle box body (8), main shaft (14) is enclosed within on the pull bar (4), the threaded end of pull bar (4) is positioned at the outside, fore bearing hole (7), and main shaft (14) is passed front gland (15), fore bearing group (6), spacer (16), locking nut (17), oil scraper ring (18) and rear bearing group (10) successively;
Ii) with centering plate (13), thrust ball bearing (2) and band handle nut (1) are set in the threaded end of pull bar (4) successively, centering plate (13) is packed into the endoporus of main shaft (14), thrust ball bearing (2) is fixed in the groove on centering plate (13) and band handle nut (1) opposing end surface, rear centered cover (12) is set in the other end of pull bar (4), be equipped with bolt by the screw that is used for fixing rear pressing cover (19) on the main spindle box body (8) rear centered cover (12) is fixed in main spindle box body (8), rear centered cover (12) left end is by pin and pull bar (4) location;
Iii) rotating band handle nut (1), to be delivered on the main shaft (14) with the power that produces that rotatablely moves of handle nut (1) through thrust ball bearing (2), rap band handle nut (1) with hammer, thereby main shaft (14) is drawn in the main spindle box body (8);
Iv) spacer (16) is close to fore bearing group (6) also with locking nut (17) locking, centered cover (12) after removing, rear pressing cover (19) is fixed in the outside, rear bearing hole (9), successively with axle sleeve (20), belt wheel (21) and spindle end nut (22) are set in main shaft (14) from rear bearing hole (9) outside, axle sleeve (20) one ends prop up the shaft shoulder of main shaft (14), axle sleeve (20) other end is close to belt wheel (21), by spindle end nut (22) belt wheel (21) is fixed in main shaft (14), finish the assembling of main shaft (14), dismounting band handle nut (1), thrust ball bearing (2), pull bar (4) and centering plate (13).
CN2011102569672A 2011-08-30 2011-08-30 Numerical-control lathe main spindle box assembling clamp and assembling method Pending CN102962785A (en)

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CN106994661A (en) * 2016-01-26 2017-08-01 中国国际海运集装箱(集团)股份有限公司 Workpiece butt junction location device and workpiece docking calculation
CN107199449A (en) * 2017-06-12 2017-09-26 中国航发哈尔滨东安发动机有限公司 Main reducing gear rotor shaft lower pulling force bearing assembling device
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* Cited by examiner, † Cited by third party
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CN105522496B (en) * 2015-11-03 2017-07-18 杭州桢正机器人科技有限公司 Rotor shaft end locking device and its locking method
CN105522496A (en) * 2015-11-03 2016-04-27 杭州桢正机器人科技有限公司 Rotor shaft end locking device and method
CN106994661B (en) * 2016-01-26 2023-08-18 烟台中集来福士海洋工程有限公司 Workpiece butt joint positioning device and workpiece butt joint method
CN106994661A (en) * 2016-01-26 2017-08-01 中国国际海运集装箱(集团)股份有限公司 Workpiece butt junction location device and workpiece docking calculation
CN107199449A (en) * 2017-06-12 2017-09-26 中国航发哈尔滨东安发动机有限公司 Main reducing gear rotor shaft lower pulling force bearing assembling device
CN107443048A (en) * 2017-09-01 2017-12-08 中国重汽集团济南动力有限公司 A kind of knuckle needle bearing press-fitting tool and press-loading process
CN107443048B (en) * 2017-09-01 2020-02-18 中国重汽集团济南动力有限公司 Press fitting tool and press fitting process for needle roller bearing of steering knuckle
CN109827798A (en) * 2019-03-08 2019-05-31 武汉钢铁有限公司 The comprehensive sampler of belt steel surface
CN110587535A (en) * 2019-08-30 2019-12-20 太原科技大学 Internal thread pin plays round pin device
CN110586964A (en) * 2019-10-10 2019-12-20 河北力准机械制造有限公司 Novel headstock drive is taut device and digit control machine tool
CN110586964B (en) * 2019-10-10 2024-04-16 河北力准机械制造有限公司 Novel headstock drive tensioning device and numerical control machine tool
CN111300333A (en) * 2020-04-07 2020-06-19 重庆江增船舶重工有限公司 Mixed-flow turbocharger shaft sleeve mounting tool and method
CN111300333B (en) * 2020-04-07 2024-05-03 重庆江增船舶重工有限公司 Mixed-flow turbocharger shaft sleeve mounting tool and method
CN111283584B (en) * 2020-04-10 2021-04-13 中核(天津)机械有限公司 Detachable clamping device
CN111283584A (en) * 2020-04-10 2020-06-16 中核(天津)机械有限公司 Novel detachable clamping device

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Application publication date: 20130313