CN202622479U - Numerically-controlled engraving and milling machine tool with linear motors - Google Patents

Numerically-controlled engraving and milling machine tool with linear motors Download PDF

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Publication number
CN202622479U
CN202622479U CN 201220305630 CN201220305630U CN202622479U CN 202622479 U CN202622479 U CN 202622479U CN 201220305630 CN201220305630 CN 201220305630 CN 201220305630 U CN201220305630 U CN 201220305630U CN 202622479 U CN202622479 U CN 202622479U
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CN
China
Prior art keywords
axle
slide plate
axle slide
coil
crossbeam
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Expired - Fee Related
Application number
CN 201220305630
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Chinese (zh)
Inventor
李恒国
沈良永
胡庆东
徐建国
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NINGBO KAIBO NUMERICAL CONTROL MACHINERY CO Ltd
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NINGBO KAIBO NUMERICAL CONTROL MACHINERY CO Ltd
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Priority to CN 201220305630 priority Critical patent/CN202622479U/en
Application granted granted Critical
Publication of CN202622479U publication Critical patent/CN202622479U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a numerically-controlled engraving and milling machine tool with linear motors. The machine tool comprises a machine tool bed (1), a vertical column (2), a beam (3), an X-axis sliding plate (4), a Z-axis sliding plate (5), a bench (6), a spindle motor (7), an X-axis linear motor (8), a Y-axis linear motor (9) and a Z-axis linear motor (10). According to the technical scheme, the linear motors are used to drag the X-axis sliding plate, the Y-axis sliding plate and the Z-axis sliding plate to perform three-dimensional homing engraving and milling cutting, characteristics of high dragging speed, high acceleration, high positioning precision, no abrasion and attenuation and no limitation for stroke length are utilized, and accordingly the defect of auxiliary dragging of rotating a servo motor to add a ball screw is overcome for the numerically-controlled engraving and milling machine tool, homing machining efficiency is improved, attenuation of positioning precision is relieved, and stroke length is unlimited.

Description

A kind of linear electric motors numerical control engraving and milling machine tool
Technical field
The utility model relates to a kind of numerical control engraving and milling machine tool, specifically is meant by computer numerical controlled, is driven by linear servo-actuator and carries out a kind of linear electric motors numerical control engraving and milling machine tool that processing is cut in three-dimensional target-seeking carving milling.
Background technology
The prior art numerical control engraving and milling machine tool adopts rotating servo motor to add ball screw assembly, and drags X, Y, Z skateboarding and realize that three-dimensional target-seeking carving milling cuts processing; Because rotating servo motor need rotatablely move through the ball-screw adjutant and convert the straight reciprocating motion of dragging skateboard into; Dragging speed is slow, and dragging speed is smaller or equal to 100 meters/minute; It is low to drag acceleration, and peak acceleration is 1.5g, causes the three-dimensional target-seeking speed of lathe slow, and working (machining) efficiency is low; Ball screw assembly, is prone to because of service wear produces the gap, makes that the three-dimensional target-seeking positioning accuracy decay of lathe is fast; In addition, because the restriction ball screw assembly, of elastic properties of materials is unsuitable long, limited the impulse stroke length that manufactures and designs the lengthening numerical control engraving and milling machine tool; Therefore, there are the problems and shortcomings that target-seeking efficient is low, the positioning accuracy decay is fast, impulse stroke is limited in prior art.
Summary of the invention
Problems and shortcomings to above-mentioned prior art existence; The utility model adopts and to drag X, Y, Z axle slide plate by linear electric motors and carry out the technical scheme that processing is cut in three-dimensional target-seeking carving milling; Utilize the characteristic that the linear electric motors dragging speed is fast, acceleration is high, the high nothing wearing and tearing of positioning accuracy decay, no haul distance limits; A kind of linear electric motors numerical control engraving and milling machine tool is provided; Be intended to make numerical control engraving and milling machine tool to avoid rotating servo motor to add the drawback that ball screw assembly, drags, reach the target-seeking working (machining) efficiency of raising, slow down positioning accuracy decay, the not limited purpose of haul distance.
The purpose of the utility model is achieved in that a kind of linear electric motors numerical control engraving and milling machine tool; Comprise lathe bed, column, crossbeam, X axle slide plate, Z axle slide plate, workbench, spindle motor, X axle linear electric motors, Y axle linear electric motors, Z axle linear electric motors; Wherein: described lathe bed is the platform member of hollow marble matter rectangle; Above the lathe bed, be symmetrical in axis with left and right directions and be fixed with two cast iron matter slide rails that be parallel to each other, protruding upward and be called Y axle slide rail;
Described crossbeam is solid marble matter rectangular elements; Two limits, front and back below the crossbeam respectively fixedly quadrature be connected with the column of solid marble matter rectangle vertically downward; The following fixedly quadrature of said column is connected two limits, front and back on the left side above the lathe bed, constitutes the fixed fuselage in marble matter gantry by the fixed connection of lathe bed, column, crossbeam; Be fixed with above the crossbeam with the parallel horizontal cast iron matter slide rail protruding upward in the long limit of fore-and-aft direction and be called slide rail on the X axle, the right flank of crossbeam be fixed with said X axle on the parallel horizontal cast iron matter slide rail of protrusion to the right of slide rail be called X axle wood side-guide;
Described X axle slide plate is the cast iron matter member of shape for the cross section that is made up of transverse slat and riser; Be provided with below the said transverse slat of X axle slide plate that the corresponding chute that is slidingly matched of slide rail is called the X upper hopper chute on the said X axle with crossbeam, the left surface of the said riser of X axle slide plate is provided with the corresponding chute that is slidingly matched of said X axle wood side-guide of crossbeam and is called X sideslip groove; The axis that the right flank of the said riser of X axle slide plate is symmetrical in above-below direction be provided with two that be parallel to each other, hand over the upright slide rail of the protrusion of just throwing to be called Z axle slide rail with said X sideslip groove shadow;
The cast iron matter member that described Z axle slide plate is a rectangular block shape, the left surface of Z axle slide plate are provided with the corresponding chute that is slidingly matched of said Z axle slide rail of X axle slide plate and are called the Z chute;
Described workbench is the cast iron matter member of rectangular block shape, is provided with the T-slot of the inverted T-shape that is used for fixing the workpiece purposes above the workbench; Be provided with below the workbench with the corresponding chute that is slidingly matched of said Y axle slide rail of lathe bed and be called Y axle chute, so workbench also is called Y axle slide plate;
Described spindle motor is that frequency control drives the electric rotary machine that cutlery rotates, and the output of spindle motor is provided with the chuck that the clamping carving mills cutlery;
Described X axle linear electric motors are for what be made up of X primary coil and X secondary coil, and X primary coil and X secondary coil are made the straight-line servomotor of opposing parallel;
Described Y axle linear electric motors are for what be made up of Y primary coil and Y secondary coil, and Y primary coil and Y secondary coil are made the straight-line servomotor of opposing parallel;
Described Z axle linear electric motors are for what be made up of Z primary coil and Z secondary coil, and Z primary coil and Z secondary coil are made the straight-line servomotor of opposing parallel;
X axle slide plate through said X upper hopper chute and X sideslip groove respectively with the said X axle of crossbeam on the slip of slide rail and X axle wood side-guide fasten, horizontal sliding is connected on the crossbeam; Z axle slide plate fastens through the slip of the said Z axle slide rail of said Z chute and X axle slide plate, vertically slides up and down to be connected on the X axle slide plate; Workbench fastens through the slip of the said Y axle slide rail of said Y axle chute and lathe bed, and horizontal longitudinal sliding motion is connected on the lathe bed;
The said chuck of spindle motor down, spindle motor is fixedly connected on the right flank of Z axle slide plate; X axle linear electric motors are between the left surface of the right flank of crossbeam and the said riser of X axle slide plate and parallel with the glide direction of X axle slide plate; The right flank that the X secondary coil is fixedly connected on crossbeam is positioned at the top of said X axle wood side-guide, and the X primary coil is fixedly connected on the left surface of the said riser of X axle slide plate corresponding to the X secondary coil; Y axle linear electric motors on lathe bed below workbench between and parallel with the glide direction of workbench; The Y secondary coil is fixedly connected on the top between two said Y axle slide rails of lathe bed, the Y primary coil corresponding to the Y secondary coil be fixedly connected on workbench below; Z axle linear electric motors are between the left surface of the right flank of the said riser of X axle slide plate and Z axle slide plate and parallel with the glide direction of Z axle slide plate; The Z secondary coil is fixedly connected on the right flank of said riser of X axle slide plate between two said Z axle slide rails, and the Z primary coil is fixedly connected on the left surface of Z axle slide plate corresponding to the Z secondary coil;
The direction face of structure representation is divided into the up, down, left, right, before and after face, and wherein, the front is the face in the face of institute's statement main body, is the face relative with said front at the back.
Operation principle and beneficial effect
During work, under the control of supporting digital control computer, X axle linear electric motors, Y axle linear electric motors, Z axle linear electric motors drag the collaborative guiding of X axle slide plate, workbench, Z axle slide plate spindle motor respectively and drive cutlery and carry out three-dimensional target-seeking carving milling and cut processing.
This device utilizes the linear electric motors dragging speed fast, can reach 300 meters/minute; Acceleration is high, can reach 10g; Positioning accuracy is high, can reach 0.1~0.01 millimeter; Operation does not have wearing and tearing; No haul distance restriction; When manufacturing and designing the lengthening numerical control engraving and milling machine tool; Only need the secondary coil segmentation connected and be laid on the lathe bed of lengthening, no matter how long have, the characteristic that all can not exert an influence to lathe operational system rigidity; Make numerical control engraving and milling machine tool avoid rotating servo motor to add the drawback that ball screw assembly, drags, the decay that improved target-seeking working (machining) efficiency, has slowed down positioning accuracy reduces, satisfies the demand of any haul distance.
Above-mentioned; The utility model adopts and to drag X, Y, Z axle slide plate by linear electric motors and carry out the technical scheme that processing is cut in three-dimensional target-seeking carving milling; Utilize the characteristic that the linear electric motors dragging speed is fast, acceleration is high, the high nothing wearing and tearing of positioning accuracy decay, no haul distance limits; A kind of linear electric motors numerical control engraving and milling machine tool that is provided; Make numerical control engraving and milling machine tool avoid rotating servo motor to add the drawback that ball screw assembly, drags, reached improve target-seeking working (machining) efficiency, slow down positioning accuracy decay, the not limited purpose of haul distance.
Description of drawings
Fig. 1 is the structural representation of a kind of linear electric motors numerical control engraving and milling machine tool of the utility model.
Embodiment below in conjunction with in the accompanying drawing does further explain to the utility model, but should not be construed as any restriction to the utility model.
Among the figure: slide rail 31, X axle wood side-guide 32, X axle slide plate 4, Z axle slide rail 41, Z axle slide plate 5, workbench 6, Y axle chute 61, spindle motor 7, X axle linear electric motors 8, X primary coil 81, X secondary coil 82, Y axle linear electric motors 9, Y primary coil 91, Y secondary coil 92, Z axle linear electric motors 10, Z primary coil 101, Z secondary coil 102 on lathe bed 1, Y axle slide rail 11, column 2, crossbeam 3, the X axle.
The specific embodiment
Consult Fig. 1; A kind of linear electric motors numerical control engraving and milling machine tool of the utility model; Comprise lathe bed 1, column 2, crossbeam 3, X axle slide plate 4, Z axle slide plate 5, workbench 6, spindle motor 7, X axle linear electric motors 8, Y axle linear electric motors 9, Z axle linear electric motors 10; Wherein: described lathe bed 1 is the platform member of hollow marble matter rectangle, above the lathe bed 1, is symmetrical in axis with left and right directions and is fixed with two cast iron matter slide rails that be parallel to each other, protruding upward and is called Y axle slide rail 11;
Described crossbeam 3 is solid marble matter rectangular elements; Two limits, front and back below the crossbeam 3 respectively fixedly quadrature be connected with the column 2 of solid marble matter rectangle vertically downward; The following fixedly quadrature of said column 2 is connected two limits, front and back on the left side above the lathe bed 1, constitutes the fixed fuselage in marble matter gantry by the fixed connection of lathe bed 1, column 2, crossbeam 3; Be fixed with above the crossbeam 3 with the parallel horizontal cast iron matter slide rail protruding upward in the long limit of fore-and-aft direction and be called slide rail 31 on the X axle, the right flank of crossbeam 3 be fixed with said X axle on the slide rail 31 parallel horizontal cast iron matter slide rails of protrusion to the right be called X axle wood side-guide 32;
Described X axle slide plate 4 is the cast iron matter member of shape for the cross section that is made up of transverse slat and riser; Be provided with below the said transverse slat of X axle slide plate 4 that the slide rail 31 corresponding chutes that are slidingly matched are called the X upper hopper chute on the said X axle with crossbeam 3, the left surface of the said riser of X axle slide plate 4 is provided with the said X axle wood side-guide 32 corresponding chutes that are slidingly matched of crossbeam 3 and is called X sideslip groove; The axis that the right flank of the said riser of X axle slide plate 4 is symmetrical in above-below direction be provided with two that be parallel to each other, hand over the upright slide rail of the protrusion of just throwing to be called Z axle slide rail 41 with said X sideslip groove shadow;
The cast iron matter member that described Z axle slide plate 5 is a rectangular block shape, the left surface of Z axle slide plate 5 are provided with the said Z axle slide rail 41 corresponding chutes that are slidingly matched of X axle slide plate 4 and are called the Z chute;
The cast iron matter member that described workbench 6 is a rectangular block shape is provided with the T-slot of the inverted T-shape that is used for fixing the workpiece purposes above the workbench 6; Be provided with below the workbench 6 with the said Y axle slide rail 11 corresponding chutes that are slidingly matched of lathe bed 1 and be called Y axle chute 61, so workbench 6 also is called Y axle slide plate;
Described spindle motor 7 drives the electric rotary machine that cutlery rotates for frequency control, and the output of spindle motor 7 is provided with the chuck that the clamping carving mills cutlery;
Described X axle linear electric motors 8 are for what be made up of X primary coil 81 and X secondary coil 82, and X primary coil 81 is made the straight-line servomotor of opposing parallel with X secondary coil 82;
Described Y axle linear electric motors 9 are for what be made up of Y primary coil 91 and Y secondary coil 92, and Y primary coil 91 is made the straight-line servomotor of opposing parallel with Y secondary coil 92;
Described Z axle linear electric motors 10 are for what be made up of Z primary coil 101 and Z secondary coil 102, and Z primary coil 101 is made the straight-line servomotor of opposing parallel with Z secondary coil 102;
X axle slide plate 4 through said X upper hopper chute and X sideslip groove respectively with the said X axle of crossbeam 3 on the slip of slide rail 31 and X axle wood side-guide 32 fasten, horizontal sliding is connected on the crossbeam 3; Z axle slide plate 5 fastens through the slip of the said Z axle slide rail 41 of said Z chute and X axle slide plate 4, vertically slides up and down to be connected on the X axle slide plate 4; Workbench 6 fastens through the slip of said Y axle chute 61 with the said Y axle slide rail 11 of lathe bed 1, and horizontal longitudinal sliding motion is connected on the lathe bed 1;
The said chuck of spindle motor 7 down, spindle motor 7 is fixedly connected on the right flank of Z axle slide plate 5; X axle linear electric motors 8 are between the left surface of the right flank of crossbeam 3 and the said riser of X axle slide plate 4 and parallel with the glide direction of X axle slide plate 4; The right flank that X secondary coil 82 is fixedly connected on crossbeam 3 is positioned at the top of said X axle wood side-guide 32, and X primary coil 81 is fixedly connected on the left surface of the said riser of X axle slide plate 4 corresponding to X secondary coil 82; Y axle linear electric motors 9 on lathe bed 1 below workbench 6 between and parallel with the glide direction of workbench 6; Y secondary coil 92 is fixedly connected on the top between two said Y axle slide rails 11 of lathe bed 1, Y primary coil 91 corresponding to Y secondary coil 92 be fixedly connected on workbench 6 below; Z axle linear electric motors 10 are between the left surface of the right flank of the said riser of X axle slide plate 4 and Z axle slide plate 5 and parallel with the glide direction of Z axle slide plate 5; Z secondary coil 102 is fixedly connected on the right flank of said riser of X axle slide plate 4 between two said Z axle slide rails 41, and Z primary coil 101 is fixedly connected on the left surface of Z axle slide plate 5 corresponding to Z secondary coil 102;
The direction face of structure representation is divided into the up, down, left, right, before and after face, and wherein, the front is the face in the face of institute's statement main body, is the face relative with said front at the back.
Operation principle and beneficial effect
During work, under the control of supporting digital control computer, X axle linear electric motors 8, Y axle linear electric motors 9, Z axle linear electric motors 10 drag X axle slide plate 4, workbench 6, Z axle slide plate 5 collaborative guiding spindle motors 7 respectively and drive cutleries and carry out three-dimensional target-seeking carving milling and cut processing.
This device utilizes the linear electric motors dragging speed fast, can reach 300 meters/minute; Acceleration is high, can reach 10g; Positioning accuracy is high, can reach 0.1~0.01 millimeter; Operation does not have wearing and tearing; No haul distance restriction; When manufacturing and designing the lengthening numerical control engraving and milling machine tool; Only need the secondary coil segmentation connected and be laid on the lathe bed of lengthening, no matter how long have, the characteristic that all can not exert an influence to lathe operational system rigidity; Make numerical control engraving and milling machine tool avoid rotating servo motor to add the drawback that ball screw assembly, drags, the decay that improved target-seeking working (machining) efficiency, has slowed down positioning accuracy reduces, satisfies the demand of any haul distance.

Claims (1)

1. linear electric motors numerical control engraving and milling machine tool; It is characterized in that: comprise lathe bed (1), column (2), crossbeam (3), X axle slide plate (4), Z axle slide plate (5), workbench (6), spindle motor (7), X axle linear electric motors (8), Y axle linear electric motors (9), Z axle linear electric motors (10); Described lathe bed (1) is the platform member of hollow marble matter rectangle; Above the lathe bed (1), be symmetrical in axis with left and right directions and be fixed with two cast iron matter slide rails that be parallel to each other, protruding upward and be called Y axle slide rail (11);
Described crossbeam (3) is solid marble matter rectangular elements; Two limits, front and back below the crossbeam (3) respectively fixedly quadrature be connected with the column (2) of solid marble matter rectangle vertically downward; The following fixedly quadrature of said column (2) is connected two limits, front and back on the left side above the lathe bed (1), by the fixed fuselage in fixed connection formation marble matter gantry of lathe bed (1), column (2), crossbeam (3); Be fixed with above the crossbeam (3) with the parallel horizontal cast iron matter slide rail protruding upward in the long limit of fore-and-aft direction and be called slide rail on the X axle (31), the right flank of crossbeam (3) be fixed with said X axle on the parallel horizontal cast iron matter slide rail of protrusion to the right of slide rail (31) be called X axle wood side-guide (32);
Described X axle slide plate (4) is the cast iron matter member of shape for the cross section that is made up of transverse slat and riser; Be provided with below the said transverse slat of X axle slide plate (4) that the corresponding chute that is slidingly matched of slide rail (31) is called the X upper hopper chute on the said X axle with crossbeam (3), the left surface of the said riser of X axle slide plate (4) is provided with the corresponding chute that is slidingly matched of said X axle wood side-guide (32) of crossbeam (3) and is called X sideslip groove; The axis that the right flank of the said riser of X axle slide plate (4) is symmetrical in above-below direction be provided with two that be parallel to each other, hand over the upright slide rail of the protrusion of just throwing to be called Z axle slide rail (41) with said X sideslip groove shadow;
Described Z axle slide plate (5) is the cast iron matter member of rectangular block shape, and the left surface of Z axle slide plate (5) is provided with the corresponding chute that is slidingly matched of said Z axle slide rail (41) of X axle slide plate (4) and is called the Z chute;
Described workbench (6) is the cast iron matter member of rectangular block shape, is provided with the T-slot of the inverted T-shape that is used for fixing the workpiece purposes above the workbench (6); Be provided with below the workbench (6) with the corresponding chute that is slidingly matched of said Y axle slide rail (11) of lathe bed (1) and be called Y axle chute (61), so workbench (6) also is called Y axle slide plate;
Described spindle motor (7) drives the electric rotary machine that cutlery rotates for frequency control, and the output of spindle motor (7) is provided with the chuck that the clamping carving mills cutlery;
Described X axle linear electric motors (8) are to be made up of X primary coil (81) and X secondary coil (82), and X primary coil (81) and X secondary coil (82) are made the straight-line servomotor of opposing parallel;
Described Y axle linear electric motors (9) are to be made up of Y primary coil (91) and Y secondary coil (92), and Y primary coil (91) and Y secondary coil (92) are made the straight-line servomotor of opposing parallel;
Described Z axle linear electric motors (10) are to be made up of Z primary coil (101) and Z secondary coil (102), and Z primary coil (101) and Z secondary coil (102) are made the straight-line servomotor of opposing parallel;
X axle slide plate (4) through said X upper hopper chute and X sideslip groove respectively with the said X axle of crossbeam (3) on the slip of slide rail (31) and X axle wood side-guide (32) fasten, horizontal sliding is connected on the crossbeam (3); Z axle slide plate (5) fastens through the slip of the said Z axle slide rail (41) of said Z chute and X axle slide plate (4), vertically slides up and down to be connected on the X axle slide plate (4); Workbench (6) fastens through the slip of said Y axle chute (61) with the said Y axle slide rail (11) of lathe bed (1), and horizontal longitudinal sliding motion is connected on the lathe bed (1);
The said chuck of spindle motor (7) down, spindle motor (7) is fixedly connected on the right flank of Z axle slide plate (5); Between the right flank that X axle linear electric motors (8) are positioned at crossbeam (3) and the left surface of the said riser of X axle slide plate (4) and parallel with the glide direction of X axle slide plate (4); The right flank that X secondary coil (82) is fixedly connected on crossbeam (3) is positioned at the top of said X axle wood side-guide (32), and X primary coil (81) is fixedly connected on the left surface of the said riser of X axle slide plate (4) corresponding to X secondary coil (82); Y axle linear electric motors (9) are positioned between top and workbench (6) following of lathe bed (1) and are parallel with the glide direction of workbench (6); Y secondary coil (92) be fixedly connected on lathe bed (1) above be positioned between two said Y axle slide rails (11), Y primary coil (91) corresponding to Y secondary coil (92) be fixedly connected on workbench (6) below; Z axle linear electric motors (10) are positioned between the left surface of right flank and Z axle slide plate (5) of said riser of X axle slide plate (4) and are parallel with the glide direction of Z axle slide plate (5); The right flank that Z secondary coil (102) is fixedly connected on the said riser of X axle slide plate (4) is positioned between two said Z axle slide rails (41), and Z primary coil (101) is fixedly connected on the left surface of Z axle slide plate (5) corresponding to Z secondary coil (102);
The direction face of structure representation is divided into the up, down, left, right, before and after face, and wherein, the front is the face in the face of institute's statement main body, is the face relative with said front at the back.
CN 201220305630 2012-06-15 2012-06-15 Numerically-controlled engraving and milling machine tool with linear motors Expired - Fee Related CN202622479U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220305630 CN202622479U (en) 2012-06-15 2012-06-15 Numerically-controlled engraving and milling machine tool with linear motors

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Application Number Priority Date Filing Date Title
CN 201220305630 CN202622479U (en) 2012-06-15 2012-06-15 Numerically-controlled engraving and milling machine tool with linear motors

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102729099A (en) * 2012-06-15 2012-10-17 宁波市凯博数控机械有限公司 Numerical control engraving and milling machine tool with linear motors
CN106624979A (en) * 2016-11-11 2017-05-10 上海铼钠克数控科技股份有限公司 High-speed Z-axis machining device and machine tool including same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102729099A (en) * 2012-06-15 2012-10-17 宁波市凯博数控机械有限公司 Numerical control engraving and milling machine tool with linear motors
CN106624979A (en) * 2016-11-11 2017-05-10 上海铼钠克数控科技股份有限公司 High-speed Z-axis machining device and machine tool including same

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Granted publication date: 20121226

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