CN100475444C - Numerical control accurate grinding equipment of high-rigidity turning spherical surface - Google Patents
Numerical control accurate grinding equipment of high-rigidity turning spherical surface Download PDFInfo
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- CN100475444C CN100475444C CNB2007101707575A CN200710170757A CN100475444C CN 100475444 C CN100475444 C CN 100475444C CN B2007101707575 A CNB2007101707575 A CN B2007101707575A CN 200710170757 A CN200710170757 A CN 200710170757A CN 100475444 C CN100475444 C CN 100475444C
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Abstract
The invention relates to a rotating spherical surface numerically controlled accurate grinding equipment with high hardness. The equipment comprises a bed body part, a main spindle box part, a wheel stand rotating table part, a tail seat part and a grinding wheel. The main spindle box part and the tail seat part are fixed on the bed body through a bolt; the wheel stand rotating table part is supported on a circular arc guide rail and a circular ring guide rail, a winding and fixed axle moves to and fro through a worm rod and a sector worm wheel under the driving of an actuating motor; the actuating motor drives a wheel stand slide seat to do direct feed motion on the guide rail on the wheel stand rotating table through a feed screw nut pair; the grinding wheel composed of a grinding wheel disc and a grinding wheel block is directly connected with an electric principal axis through a connecting shaft, thereby the propose that the grinding wheel with diameter is used for grinding a rotating spherical surface work piece with high hardness and different diameters though the high speed rotation movement of the grinding wheel, the rotation movement of the rotating spherical surface work piece, the feed movement of the grinding wheel stand and the reciprocating motion of the grinding wheel stand.
Description
Technical field
What the present invention relates to is the numerically control grinder in a kind of machine tool technology field, specifically is a kind of high-rigidity turning spherical surface numerical control accurate grinding equipment.
Background technology
The high rigidity high-precision sphere is the critical component in high temperature resistant, high pressure resistant, the wear-resistant ball valve.Because the condition of work that this class ball valve bears is very abominable, therefore, in order to improve its high temperature resistant and anti-wear performance, the spherome surface at ball valve sprays the high rigidity materials such as WC, Ni60 with very high scuff resistance usually, and just processing has brought very big difficulty to surface accurate for this.On the other hand, because this ball valve generally all is operated in high temperature, the hyperbaric environment, seal request is also quite high, often take hard sealing means in this case, in this sealing means, form accuracy of spheroid (sphericity) and surface roughness require just very high, and just processing has brought bigger difficulty to surface accurate for this.Generally adopt the accurate grinding processing method for this high rigidity, high-wearing feature material.Up to the present, domestic also do not have a high-hardness revolving sphere precision grinder general, standard.Generally all adopt some special uses, off-gauge grinding processing method, generally have two kinds: a kind of is that common cylindrical grinder is transformed the sphere of processing some.Another kind is the equipment of the grinding spherical of a kind of special use of design.
Through the literature search of prior art is found, Chinese patent application number is: 200610050360.8, and name is called: detecting the numerical control spheric grinding machine automatically, mainly is to be provided with automatic detection device on lathe, has realized the workpiece online automatic detection.Yet, the emery wheel grinding tool of the numerical control spheric grinding machine of this class special use and the diameter of grinding workpiece are one to one, be a kind of workpiece of the corresponding a kind of diameter specifications of emery wheel grinding tool of diameter, lack flexibility, this processing for many kinds, small lot is uneconomic.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of high-rigidity turning spherical surface numerical control accurate grinding equipment that can realize the workpiece automatic centering is provided, make under its prerequisite that guarantees processed revolving sphere precision and surface roughness, can realize the accurate flexible grinding of the high-hardness revolving sphere of different-diameter specification with a kind of emery wheel grinding tool of diameter specifications.
The present invention is achieved through the following technical solutions, the present invention includes: lathe bed parts, spindle box part, grinding carriage rotary table parts, tailstock parts, emery wheel grinding tool.Annexation is: spindle box part and tailstock parts are fixed by bolts on the lathe bed parts, and grinding carriage rotary table parts are installed on the lathe bed parts; The emery wheel grinding tool is connected with grinding carriage rotary table parts.
Described lathe bed parts, comprise: lathe bed, arc guide rail, ring-shaped guide rail, fixed axis, worm screw, first shaft coupling, first servomotor, belt pulley, variable-frequency motor, wherein: arc guide rail, ring-shaped guide rail, fixed axis are fixed on the lathe bed, variable-frequency motor is installed in below, lathe bed left side, belt pulley is installed on the variable-frequency motor axle, and first servomotor, shaft coupling, worm screw are installed in last the place ahead of lathe bed.
Described spindle box part comprises: main shaft casing, rack sleeve, main shaft, chuck, belt pulley, spline housing, gear shaft, first stepper motor.Wherein, rack sleeve, main shaft, belt pulley, spline housing, gear shaft are assemblied in the main shaft casing; Variable-frequency motor on the lathe bed is by the belt pulley on the connection of the belt pulley on it main spindle box, and the belt pulley on the drive main spindle box, belt pulley on the main spindle box is by the main shaft in the spline housing connection main spindle box, and by the main axis rotation motion in the spline housing drive main spindle box, chuck is fixed by bolts to the end of main shaft, rotates thereby drive workpiece.First stepper motor connects rack sleeve by gear shaft, and the drive shaft sleeve axially moves.
Described grinding carriage rotary table parts comprise: grinding carriage rotary table, grinding carriage slide, electric main shaft mount pad, feed screw nut pair, bearing, worm sector, emery wheel grinding tool connecting axle, electric main shaft, second servomotor, second shaft coupling, line slideway.Wherein, electricity main shaft mount pad is fixed on the grinding carriage slide, the electricity main shaft is fixed in the electric main shaft mount pad, emery wheel grinding tool connecting axle is used to connect the emery wheel grinding tool, worm sector is fixed by bolts to grinding carriage rotary table below, emery wheel grinding tool connecting axle is used for being connected with the emery wheel grinding tool, grinding carriage rotary table parts are installed on the arc guide rail and ring-shaped guide rail on the lathe bed parts, bearing outer ring and grinding carriage rotary table centre bore closely cooperate, and the fixed axis in bearing inner race and the lathe bed parts closely cooperates.Whole grinding carriage rotary table parts under the driving of first servomotor by first shaft coupling, worm screw and worm sector in the lathe bed parts in the lathe bed parts arc guide rail and the annulus guide rail on fixed axis in the lathe bed parts move reciprocatingly.Second servomotor links to each other with the grinding carriage slide with feed screw nut pair by second shaft coupling, grinding wheel slide is installed on the line slideway on the grinding carriage rotary table, under second driven by servomotor, make grinding wheel slide do the straight-line feed motion like this by second shaft coupling and feed screw nut pair.
Described tailstock parts comprise: tailstock casing, barrel of tail stock, top back shaft, feed screw nut pair, the 3rd shaft coupling, second stepper motor.Wherein, top back shaft is installed in the barrel of tail stock, barrel of tail stock can axially move in the tailstock casing, and second stepper motor is connected with barrel of tail stock by the 3rd shaft coupling, feed screw nut pair, drives top back shaft and axially move under the driving of second stepper motor.
Described emery wheel grinding tool, comprise: emery wheel grinding tool dish, emery wheel piece, on the emery wheel grinding tool dish by screw fixed emery wheel piece, uniform 4-8 emery wheel piece on emery wheel grinding tool dish, require to determine the emery wheel piece of heterogeneity abrasive material according to the hardness of different high-hardness revolving spheres, to guarantee high grinding efficiency.
In order to guarantee to be ground the sphericity (form accuracy) of revolving sphere workpiece, when lathe assembles, make the headstock spindle center line concentric with tailstock centre back shaft center line; The line of headstock spindle center line, tailstock centre back shaft center line is vertical with the fixed axis center line of grinding carriage rotary table and be in the same vertical plane; Headstock spindle center line, tailstock centre back shaft center line and electric spindle centerline are with being in the horizontal plane, and headstock spindle center line, tailstock centre back shaft center line, electric spindle centerline and fixed axis center line are intersected at a point, promptly intersect at the sphere center position of revolving sphere workpiece.
When the present invention works, at first, the revolving sphere workpiece is fixed on the frock clamp, clamp an end of frock clamp by the chuck on the headstock spindle, the other end of frock clamp is supported by tailstock centre and clamps, by stepper motor on the main spindle box and the stepper motor on the tailstock, adjust workpiece to correct position with moved further.The variable-frequency motor that is installed on the lathe bed moves by belt pulley drive shaft case main axis rotation, rotates thereby drive the revolving sphere workpiece that is held by a chuck; The servomotor that is installed on the lathe bed moves reciprocatingly around the fixed axis that is fixed on the lathe bed by worm and wormwheel driving grinding carriage rotary table, grinding carriage places on the grinding carriage slide on the rotary table, and do feed motion along the workpiece radial direction by the driven by servomotor grinding carriage, one electric main shaft is housed on the grinding carriage, and electric main shaft drives the emery wheel grinding tool of being made up of the special grinding wheel piece and does high speed rotary motion; So the feed motion of the rotatablely moving of the high speed rotary motion by emery wheel, revolving sphere workpiece, grinding carriage and the reciprocating motion of grinding carriage have realized the purpose with a kind of high-hardness revolving sphere workpiece of emery wheel grinding tool grinding different-diameter of diameter.
The present invention has following characteristics and effect: the main spindle box and the tailstock of (1) supporting workpiece are directly installed on the lathe bed, and headstock spindle and tailstock centre back shaft that workpiece is made up of the high accuracy main shaft bearing support rotating accuracy height, good rigidly.The grinding carriage rotary table is by arc guide rail and annulus guide supporting, and the centre of gyration is by fixed axis, high-precision bearing location, good rigidly, kinematic accuracy height.The grinding wheel spindle that the emery wheel grinding tool is installed has adopted high-precision special-purpose grinding electricity main shaft.Because therefore each parts precision height of complete machine can realize the accurate grinding processing of high-precision revolving sphere, during grinding Φ 155mm revolving sphere workpiece, form accuracy can be controlled in the 8 μ m.(2) the emery wheel grinding tool is made of emery wheel grinding tool dish, emery wheel piece, hold-down screw etc., the emery wheel piece adopts vitrified bond CBN emery wheel, the hardness height, and adopted separate type emery wheel piece grinding tool, the grinding force that single emery wheel piece acts on the high-hardness revolving sphere strengthens, therefore can realize the rapid stock-removal processing of high-hardness revolving sphere, grinding Φ 155mm diameter, the high-hardness revolving sphere workpiece of case hardness about HRC60 about 3-4 of time hour.(3) running fix of workpiece centering is realized with moved further by headstock spindle sleeve and barrel of tail stock, has reduced by a horizontal travelling table, compact integral structure, simple.(4) by the reciprocating motion of grinding carriage rotary table, can realize a kind of revolving sphere workpiece of emery wheel grinding tool grinding different-diameter of diameter, flexible good.
Description of drawings
Fig. 1 is a general illustration of the present invention;
Fig. 2 is the overall left view of the present invention;
Fig. 3 is a lathe bed parts front view of the present invention;
Fig. 4 is a lathe bed parts left view of the present invention;
Fig. 5 is a spindle box part front view of the present invention;
Fig. 6 is a spindle box part left view of the present invention;
Fig. 7 is a grinding carriage rotary table parts front view of the present invention;
Fig. 8 is a grinding carriage rotary table parts left view of the present invention
Fig. 9 is a tailstock parts front view of the present invention;
Figure 10 is an emery wheel grinding tool parts front view of the present invention.
Among the figure: lathe bed parts 1, spindle box part 2, grinding carriage rotary table parts 3, tailstock parts 4, emery wheel grinding tool 5;
Lathe bed 1-1, arc guide rail 1-2, ring-shaped guide rail 1-3, fixed axis 1-4, worm screw 1-5, the first shaft coupling 1-6, the first servomotor 1-7, belt pulley 1-8, variable-frequency motor 1-9;
Main shaft casing 2-1, rack sleeve 2-2, main shaft 2-3, chuck 2-4, belt pulley 2-5, spline housing 2-6, gear shaft 2-7, the first stepper motor 2-8;
Grinding carriage rotary table 3-1, grinding carriage slide 3-2, electric main shaft mount pad 3-3, feed screw nut pair 3-4, bearing 3-5, worm sector 3-6, emery wheel grinding tool connecting axle 3-7, electric main shaft 3-8, the second servomotor 3-9, the second shaft coupling 3-10, line slideway auxiliary 3-11;
Tailstock casing 4-1, barrel of tail stock 4-2, top back shaft 4-3, feed screw nut pair 4-4, torque limiter 4-5, gear pair 4-6, the second stepper motor 4-7;
The screw 6-3 of emery wheel grinding tool dish 6-1, emery wheel piece 6-2, connection emery wheel grinding tool dish, emery wheel piece.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated: present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1 and Figure 2, present embodiment comprises: lathe bed parts 1, spindle box part 2, grinding carriage rotary table parts 3, tailstock parts 4, emery wheel grinding tool 5.Annexation is: spindle box part 2 and tailstock parts 4 are fixed by bolts on the lathe bed parts 1, and grinding carriage rotary table parts 3 are installed on the lathe bed parts 1, and emery wheel grinding tool 5 is connected with grinding carriage rotary table parts 3.
As shown in Figure 3, Figure 4, described lathe bed parts 1 comprise: lathe bed 1-1, arc guide rail 1-2, ring-shaped guide rail 1-3, fixed axis 1-4, worm screw 1-5, the first shaft coupling 1-6, the first servomotor 1-7, belt pulley 1-8, variable-frequency motor 1-9, wherein: arc guide rail 1-2, ring-shaped guide rail 1-3, fixed axis 1-4 are fixed by bolts on the lathe bed 1-1, variable-frequency motor and installing plate 1-9 are installed in below, lathe bed 1-1 left side, belt pulley 1-8 is installed on the variable-frequency motor axle, and the first servomotor 1-7, the first shaft coupling 1-6, worm screw 1-5 are installed in last the place ahead of lathe bed 1-1.
As Fig. 5, shown in Figure 6, described spindle box part 2 comprises: main shaft casing 2-1, rack sleeve 2-2, main shaft 2-3, chuck 2-4, belt pulley 2-5, spline housing 2-6, gear shaft 2-7, the first stepper motor 2-8.Rack sleeve 2-2, main shaft 2-3, belt pulley 2-5, spline housing 2-6, gear shaft 2-7 are assemblied among the main shaft casing 2-1, and chuck 2-4 is fixed by bolts to the end of main shaft 2-3.Variable-frequency motor 1-9 on the lathe bed is by the belt pulley 2-5 on the drive of the belt pulley 1-8 on it main spindle box, the main shaft 2-3 that drives in the main spindle box by spline housing 2-6 rotatablely moves again, rotate thereby drive workpiece, the first stepper motor 2-8 axially moves by gear shaft 2-7 drive shaft sleeve 2-2.
As Fig. 7, shown in Figure 8, described grinding carriage rotary table parts 3 comprise: grinding carriage rotary table 3-1, grinding carriage slide 3-2, electric main shaft mount pad 3-3, feed screw nut pair 3-4, bearing 3-5, worm sector 3-6, emery wheel grinding tool connecting axle 3-7, electric main shaft 3-8, the second servomotor 3-9, the second shaft coupling 3-10, line slideway auxiliary 3-11.Electricity main shaft mount pad 3-3 is fixed on the grinding carriage slide 3-2, and electric main shaft 3-9 is fixed among the electric main shaft mount pad 3-3, and emery wheel grinding tool 5 is installed on the electric main shaft 3-9, and worm sector 3-6 is fixed by bolts to grinding carriage rotary table 3-1 below.Emery wheel grinding tool connecting axle 3-7 is used for being connected with emery wheel grinding tool 5, and arc guide rail 1-2 and ring-shaped guide rail 1-3 that grinding carriage rotary table parts 3 are installed on the lathe bed parts 1 upward and by fixed axis 1-4 center.Whole grinding carriage rotary table parts 3 are passing through the first shaft coupling 1-6, worm screw 1-8 and worm sector 3-6 on arc guide rail 1-2 and annulus guide rail 1-3 under the driving of the first servomotor 1-7.The centre bore of the outer ring of bearing 3-5 and grinding carriage rotary table 3-1 closely cooperates, and the inner ring of bearing 3-5 and fixed axis 1-4 closely cooperate.Whole grinding carriage rotary table parts 3 under the driving of the first servomotor 1-7, by the first shaft coupling 1-6, worm screw 1-5 in the lathe bed parts 1 and worm sector 3-6 in lathe bed parts 1 arc guide rail 1-2 and annulus guide rail 1-3 on fixed axis 1-4 in lathe bed parts 1 move reciprocatingly.Grinding carriage slide 3-2 does the straight-line feed motion by the second shaft coupling 3-10 and feed screw nut pair 3-4 on the line slideway 3-11 that is being installed under the second servomotor 3-19 driving on the grinding carriage rotary table 3-1.
As shown in Figure 9, described tailstock parts 4 comprise: tailstock casing 4-1, barrel of tail stock 4-2, top back shaft 4-3, feed screw nut pair 4-4, the 3rd shaft coupling 4-5, the second stepper motor 4-6; Top back shaft 4-3 is installed among the barrel of tail stock 4-2, and barrel of tail stock 4-2 can axially move in tailstock casing 4-1; The second stepper motor 4-6 is connected with barrel of tail stock by shaft coupling 4-5, feed screw nut pair 4-4, and under the driving of the second stepper motor 4-6, barrel of tail stock 4-2 and top back shaft 4-3 axially move.
As shown in figure 10, emery wheel grinding tool 5 of the present invention comprises: emery wheel grinding tool dish 5-1, emery wheel piece 5-2.Emery wheel grinding tool dish 5-1 goes up by screw 5-3 fixed emery wheel piece 5-2, and emery wheel grinding tool 5 is connected with electric main shaft 3-9 on the grinding carriage rotary table parts 3 by connecting axle 3-7.
Described emery wheel grinding tool dish 5-1 has gone up 4-8 emery wheel piece uniform.
In order to guarantee to be ground the sphericity (form accuracy) of revolving sphere workpiece, when lathe assembles, make main shaft 2-3 center line concentric with tailstock centre back shaft 4-3 center line; The line of main shaft 2-3 center line, tailstock centre back shaft 4-3 center line is vertical with the fixed axis 1-4 center line of grinding carriage rotary table and be in the same vertical plane; Main shaft 2-3 center line, tailstock centre back shaft 4-3 center line and electric main shaft 3-9 center line are with being in the horizontal plane, and main shaft 2-3 center line, tailstock centre back shaft 4-3 center line, electric main shaft 3-9 center line and fixed axis 1-4 center line are intersected at a point, promptly intersect at the sphere center position of revolving sphere workpiece.
As shown in Figure 1 and Figure 2, the revolving sphere workpiece is fixed on the frock clamp, clamp an end of frock clamp by the chuck on the headstock spindle 2-3, the other end of frock clamp is clamped by top back shaft 4-3, start synchronously by first stepper motor 2-8 on the control button on the control panel control main shaft casing 2-1 and the second stepper motor 4-6 on the tailstock casing 4-1, horizontal move left and right is adjusted workpiece to correct position.Spindle box part 2 and tailstock parts 4 are fixed by bolts on the lathe bed 1-1; Grinding carriage rotary table parts 3 are supported on the arc guide rail 1-2 and annulus guide rail 1-3 that is fixed on the lathe bed 1-1, move reciprocatingly around fixed axis 1-4 by worm screw 1-8 and worm sector 3-6 under the driving of the first servomotor 1-7; The second servomotor 3-10 does the straight-line feed motion by the grinding carriage slide 3-2 of feed screw nut pair 3-4 drive installation on the line slideway 3-11 on the grinding carriage rotary table 3; The emery wheel grinding tool of being made up of emery wheel grinding tool dish 5-1 and emery wheel piece 5-2 5 directly is connected with electric main shaft 3-9 by connecting axle.So the feed motion of the rotatablely moving of the high speed rotary motion by emery wheel, revolving sphere workpiece, grinding carriage and the reciprocating motion of grinding carriage have realized the purpose with a kind of high-hardness revolving sphere workpiece of emery wheel grinding tool grinding different-diameter of diameter.
Claims (9)
1, a kind of high-rigidity turning spherical surface numerical control accurate grinding equipment, comprise: lathe bed parts, spindle box part, grinding carriage rotary table parts, tailstock parts, emery wheel grinding tool, spindle box part, tailstock parts, grinding carriage rotary table parts are arranged on the lathe bed parts, the emery wheel grinding tool is connected with grinding carriage rotary table parts, it is characterized in that:
Described lathe bed parts comprise: lathe bed, arc guide rail, ring-shaped guide rail, fixed axis, worm screw, first shaft coupling, first servomotor, first belt pulley, variable-frequency motor, wherein: arc guide rail, ring-shaped guide rail, fixed axis are fixed on the lathe bed, variable-frequency motor is arranged on below, lathe bed left side, first belt pulley is arranged on the variable-frequency motor axle, and first servomotor, first shaft coupling, worm screw are arranged on last the place ahead of lathe bed;
Described grinding carriage rotary table parts comprise: the grinding carriage rotary table, the grinding carriage slide, electricity main shaft mount pad, first feed screw nut pair, bearing, worm sector, emery wheel grinding tool connecting axle, the electricity main shaft, second servomotor, second shaft coupling, line slideway auxiliary, wherein: electric main shaft mount pad is fixed on the grinding carriage slide, the electricity main shaft is fixed in the electric main shaft mount pad, the emery wheel grinding tool is arranged on the electric main shaft, worm sector is fixed on grinding carriage rotary table below, emery wheel grinding tool connecting axle is connected with the emery wheel grinding tool, bearing outer ring and grinding carriage rotary table centre bore closely cooperate, fixed axis in bearing inner race and the lathe bed parts closely cooperates, grinding carriage rotary table parts are arranged on the arc guide rail and ring-shaped guide rail on the lathe bed parts, whole grinding carriage rotary table parts pass through first shaft coupling under the driving of first servomotor, worm screw and the worm sector fixed axis in the lathe bed parts on arc guide rail and annulus guide rail moves reciprocatingly, second servomotor links to each other with the grinding carriage slide with first feed screw nut pair by second shaft coupling, the grinding carriage slide is located on the line slideway, under second driven by servomotor, make the grinding carriage slide do the straight-line feed motion by second shaft coupling and first feed screw nut pair.
2, high-rigidity turning spherical surface numerical control accurate grinding equipment according to claim 1, it is characterized in that: described spindle box part comprises: the main shaft casing, rack sleeve, main shaft, chuck, second belt pulley, spline housing, gear shaft, first stepper motor, wherein, rack sleeve, main shaft, second belt pulley, spline housing, gear shaft is assemblied in the main shaft casing, chuck is fixed on the end of main shaft, variable-frequency motor on the lathe bed is by second belt pulley on the connection of first belt pulley on it main spindle box, and second belt pulley on the drive main spindle box, second belt pulley on the main spindle box is by the main shaft in the spline housing connection main spindle box, and by the main axis rotation motion in the spline housing drive main spindle box, thereby driving workpiece rotates, first stepper motor connects rack sleeve by gear shaft, and the drive shaft sleeve axially moves.
3, high-rigidity turning spherical surface numerical control accurate grinding equipment according to claim 1, it is characterized in that: described tailstock parts, comprise: tailstock casing, barrel of tail stock, top back shaft, second feed screw nut pair, the 3rd shaft coupling, second stepper motor, top back shaft is installed in the barrel of tail stock, barrel of tail stock axially moves in the tailstock casing, second stepper motor is connected with barrel of tail stock by shaft coupling, second feed screw nut pair, under the driving of second stepper motor, barrel of tail stock and top back shaft axially move.
4, high-rigidity turning spherical surface numerical control accurate grinding equipment according to claim 1 is characterized in that: described emery wheel grinding tool comprises: emery wheel grinding tool dish, emery wheel piece, fixed emery wheel piece on the emery wheel grinding tool dish.
5, high-rigidity turning spherical surface numerical control accurate grinding equipment according to claim 4 is characterized in that: uniform 4-8 emery wheel piece on the described emery wheel grinding tool dish.
6, according to claim 1 or 4 described high-rigidity turning spherical surface numerical control accurate grinding equipments, it is characterized in that: described emery wheel grinding tool is connected with electric main shaft on the grinding carriage rotary table parts by connecting axle.
7, high-rigidity turning spherical surface numerical control accurate grinding equipment according to claim 1 is characterized in that: the spindle centerline in the described spindle box part is concentric with the tailstock centre back shaft center line in the tailstock parts.
8, high-rigidity turning spherical surface numerical control accurate grinding equipment according to claim 1 is characterized in that: the line of the tailstock centre back shaft center line in the spindle centerline in the described spindle box part, the tailstock parts is vertical with the fixed axis center line of grinding carriage rotary table and be in the same vertical plane.
9, high-rigidity turning spherical surface numerical control accurate grinding equipment according to claim 1, it is characterized in that: the headstock spindle center line in the described spindle box part, the tailstock centre back shaft center line in the tailstock parts and electric spindle centerline are with being in the horizontal plane, and electric spindle centerline in headstock spindle center line, tailstock centre back shaft center line, the grinding carriage rotary table parts and the fixed axis center line in the lathe bed parts are intersected at a point, promptly intersect at the sphere center position of revolving sphere workpiece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101707575A CN100475444C (en) | 2007-11-22 | 2007-11-22 | Numerical control accurate grinding equipment of high-rigidity turning spherical surface |
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|---|---|---|---|
| CNB2007101707575A CN100475444C (en) | 2007-11-22 | 2007-11-22 | Numerical control accurate grinding equipment of high-rigidity turning spherical surface |
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| CN101172330A CN101172330A (en) | 2008-05-07 |
| CN100475444C true CN100475444C (en) | 2009-04-08 |
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| CNB2007101707575A Expired - Fee Related CN100475444C (en) | 2007-11-22 | 2007-11-22 | Numerical control accurate grinding equipment of high-rigidity turning spherical surface |
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| 数控磨削加工大型球面. 余英良.机械工人，第1期. 2005 |
| 数控磨削加工大型球面. 余英良.机械工人，第1期. 2005 * |
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| CN101172330A (en) | 2008-05-07 |
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