CN109129006A - The modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis - Google Patents
The modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis Download PDFInfo
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- CN109129006A CN109129006A CN201811103346.9A CN201811103346A CN109129006A CN 109129006 A CN109129006 A CN 109129006A CN 201811103346 A CN201811103346 A CN 201811103346A CN 109129006 A CN109129006 A CN 109129006A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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Abstract
The invention discloses a kind of modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis, include the following steps: that main shaft is packed into calibration cutter, and main shaft is made to be moved respectively to machining center X-axis and Z axis centre of gyration position；Using amesdial and worktable rotary determine rotary shaft practical center and program setting center X to and Z-direction deviation；Workbench, which is calculated, by mathematical model rotates the processing compensation rate after each angle to be programmed.By the present processes, machining accuracy is improved, compensates for the mechanical deflection of machining center.
Description
Technical field
The present invention relates to a kind of modification methods of the horizontal linkage motion cutting centre rotational axis position deviation of four axis.
Background technique
Currently, in four axis horizontal Machining centers use processes, due to originals such as temperature, service life, Machine Manufacture precision
Cause, rotary shaft minor shifts can occur so that worktable rotary axis practical center and program setting center generation deviation, lead to zero
There is more serious error in part processing.
Summary of the invention
The purpose of the present invention is to provide a kind of modification method of horizontal linkage motion cutting centre rotational axis position deviation of four axis,
To solve the above-mentioned technical problems in the prior art.
The modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis provided by the invention, including walk as follows
It is rapid:
Main shaft is packed into calibration cutter, and main shaft is made to be moved respectively to machining center X-axis and Z axis centre of gyration position；
Determine rotary shaft practical center and program setting center in X to inclined with Z-direction using amesdial and worktable rotary
Difference；
Workbench, which is calculated, by mathematical model rotates the processing compensation rate after each angle to be programmed.
Further, using amesdial and worktable rotary determine rotary shaft practical center and program setting center X to
The method of deviation be；
Rotary shaft is moved to 0 degree of position of mechanical coordinate, and main shaft is packed into calibration cutter and makes main axle moving to machining center X-axis
Centre of gyration position is measured at calibration cutter major diameter by amesdial, amesdial scale is made to be directed toward zero-bit；
Mobile main shaft Z-direction, makes main shaft far from workbench；
Rotary shaft mobile Z axis after rotating to 180 degree face, makes main axle moving to machining center X-axis centre of gyration position, passes through
At amesdial measurement calibration cutter major diameter；
X-axis rotary shaft accuracy compensation is completed in corresponding mechanical machine tool parameter with amesdial total indicator reading.
Further, X-axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
Further, the positive negative of X-axis centre of gyration accuracy compensation value determines that principle is: amesdial reading is on the occasion of then X-axis
The centre of gyration is compensated to positive direction.
Further, determine rotary shaft practical center and program setting center in Z-direction using amesdial and worktable rotary
The method of deviation be；
Rotary shaft goes to 0 degree of position of mechanical coordinate, and main shaft is packed into calibration cutter and main shaft is made to be moved to lathe to X-direction
X-axis centre of gyration position, main shaft Z-direction is moved to the position Z axis centre of gyration L/2 more than lathe, wherein L is calibration cutter
Length, by amesdial measure calibration one end face of cutter, make amesdial scale be directed toward zero-bit；
Mobile main shaft Y-direction, makes main shaft far from workbench；
Rotary shaft mobile Y-axis after rotating to 180 degree face, makes main axle moving pass through thousand to the X-axis centre of gyration position of lathe
Divide table measurement calibration cutter other end；
Z axis rotary shaft accuracy compensation is completed in corresponding machine tool mechanical parameter with amesdial total indicator reading.
Further, Z axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
Further, the positive negative of Z axis centre of gyration accuracy compensation value determines that principle is: amesdial reading is on the occasion of then Z axis
The centre of gyration is compensated to positive direction.
Further, the mathematical model are as follows:
X '=X1*COS (B)=[X-Z*Tg (B)] * COS (B)=X*COS (B)-Z*SIN (B)
Z '=Z1*COS (B)=[Z+Z*Tg (B)] * COS (B)=Z*COS (B)+X*SIN (B)
Wherein, B is that table core axis rotates angle；
X ' is the actual deviation amount of table core in the X direction；
Z ' is the actual deviation amount of table core in z-direction；
X1 is that B axle rotates angle recoil and marks the vertical line of the X-axis and Workpiece zero point intersection point in coordinate X-axis before B axle does not rotate
Distance；
Z1 is that B axle rotates angle recoil and marks the vertical line of the Z axis and Workpiece zero point intersection point on coordinate Z axis before B axle does not rotate
Distance；
X is the X of workpiece to center and workbench X to the distance at center
Z is the Z-direction center of workpiece and the distance at workbench Z-direction center.
Further, the dial holder is in the rotary shaft.
Further, by finely tuning dial framework regulating mechanism, amesdial scale is made to be directed toward zero-bit.
The modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis provided by the invention has following excellent
Point:
1) machining accuracy improves.
2) mechanical deflection of machining center is compensated for.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the main shaft that the embodiment of the present invention one provides is packed into calibration cutter and returns main axle moving to machining center X-axis
Turn the schematic diagram of center.
Fig. 2 is the mobile main shaft Z-direction that provides of the embodiment of the present invention one schematic diagram far from workbench that makes main shaft.
Fig. 3 is that mobile Z axis makes main axle moving to processing after the rotary shaft that the embodiment of the present invention one provides is rotated to 180 degree face
The schematic diagram of center X-axis centre of gyration position.
Fig. 4 is moved to the position Z axis centre of gyration L/2 more than lathe for the main shaft Z-direction that the embodiment of the present invention one provides
Schematic diagram.
Fig. 5 is the mobile main shaft Y-direction that provides of the embodiment of the present invention one schematic diagram far from workbench that makes main shaft.
Fig. 6 is mobile Y-axis after the rotary shaft that the embodiment of the present invention one provides is rotated to 180 degree face, makes main axle moving to machine
The schematic diagram of the X-axis centre of gyration position of bed.
Fig. 7 is that the lathe rotation center that the embodiment of the present invention one provides is illustrated in lathe coordinate system XZ plane precision deviation
Figure.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the present invention.
Embodiment one:
Fig. 1 is that the main shaft that the embodiment of the present invention one provides is packed into calibration cutter and returns main axle moving to machining center X-axis
Turn the schematic diagram of center；Fig. 2 is the signal far from workbench that makes main shaft of the mobile main shaft Z-direction that provides of the embodiment of the present invention one
Figure；Fig. 3 is that mobile Z axis makes main axle moving to machining center X after the rotary shaft that the embodiment of the present invention one provides is rotated to 180 degree face
The schematic diagram of axis centre of gyration position；Fig. 4 is moved to the Z axis time more than lathe for the main shaft Z-direction that the embodiment of the present invention one provides
Turn the schematic diagram of the center position L/2；Fig. 5 is that the mobile main shaft Y-direction that the embodiment of the present invention one provides makes main shaft far from workbench
Schematic diagram；Fig. 6 is mobile Y-axis after the rotary shaft that the embodiment of the present invention one provides is rotated to 180 degree face, makes main axle moving to lathe
X-axis centre of gyration position schematic diagram；Fig. 7 is the lathe rotation center that provides of the embodiment of the present invention one in lathe coordinate system XZ
Plane precision deviation schematic diagram；As shown in Fig. 1-Fig. 7, the horizontal linkage motion cutting center rotation of four axis that the embodiment of the present invention one provides
The modification method of shaft position deviation, includes the following steps:
Main shaft is packed into calibration cutter, and main shaft is made to be moved respectively to machining center X-axis and Z axis centre of gyration position；
Determine rotary shaft practical center and program setting center in X to inclined with Z-direction using amesdial and worktable rotary
Difference；
Workbench, which is calculated, by mathematical model rotates the processing compensation rate after each angle to be programmed.
Specifically, using amesdial and worktable rotary determine rotary shaft practical center and program setting center X to
The method of deviation is；
Rotary shaft is moved to 0 degree of position of mechanical coordinate, and main shaft is packed into calibration cutter and makes main axle moving to machining center X-axis
Centre of gyration position is measured at calibration cutter major diameter by amesdial, amesdial scale is made to be directed toward zero-bit；
Mobile main shaft Z-direction, makes main shaft far from workbench；
Rotary shaft mobile Z axis after rotating to 180 degree face, makes main axle moving to machining center X-axis centre of gyration position, passes through
At amesdial measurement calibration cutter major diameter；
X-axis rotary shaft accuracy compensation is completed in corresponding mechanical machine tool parameter with amesdial total indicator reading.
Specifically, X-axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
Specifically, the positive negative of X-axis centre of gyration accuracy compensation value determines that principle is: amesdial reading for positive value, then return by X-axis
Turn center to compensate to positive direction.
Specifically, determine rotary shaft practical center and program setting center in Z-direction using amesdial and worktable rotary
The method of deviation is；
Rotary shaft goes to 0 degree of position of mechanical coordinate, and main shaft is packed into calibration cutter and main shaft is made to be moved to lathe to X-direction
X-axis centre of gyration position, main shaft Z-direction is moved to the position Z axis centre of gyration L/2 more than lathe, wherein L is calibration cutter
Length, by amesdial measure calibration one end face of cutter, make amesdial scale be directed toward zero-bit；
Mobile main shaft Y-direction, makes main shaft far from workbench；
Rotary shaft mobile Y-axis after rotating to 180 degree face, makes main axle moving pass through thousand to the X-axis centre of gyration position of lathe
Divide table measurement calibration cutter other end；
Z axis rotary shaft accuracy compensation is completed in corresponding machine tool mechanical parameter with amesdial total indicator reading.
Specifically, Z axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
Specifically, the positive negative of Z axis centre of gyration accuracy compensation value determines that principle is: for positive value, then Z axis returns amesdial reading
Turn center to compensate to positive direction.
Specifically, the mathematical model are as follows:
X '=X1*COS (B)=[X-Z*Tg (B)] * COS (B)=X*COS (B)-Z*SIN (B)
Z '=Z1*COS (B)=[Z+Z*Tg (B)] * COS (B)=Z*COS (B)+X*SIN (B)
Wherein, B is that table core axis rotates angle；
X ' is the actual deviation amount of table core in the X direction；
Z ' is the actual deviation amount of table core in z-direction；
X1 is that B axle rotates angle recoil and marks the vertical line of the X-axis and Workpiece zero point intersection point in coordinate X-axis before B axle does not rotate
Distance；
Z1 is that B axle rotates angle recoil and marks the vertical line of the Z axis and Workpiece zero point intersection point on coordinate Z axis before B axle does not rotate
Distance；
X is the X of workpiece to center and workbench X to the distance at center
Z is the Z-direction center of workpiece and the distance at workbench Z-direction center.
Embodiment two:
The modification method for the horizontal linkage motion cutting centre rotational axis position deviation of four axis that the present embodiment two provides is to implementation
The further improvement of the modification method for the horizontal linkage motion cutting centre rotational axis position deviation of four axis that example one provides, in embodiment one
And on the basis of Fig. 1-Fig. 7, the amendment for the horizontal linkage motion cutting centre rotational axis position deviation of four axis that the present embodiment two provides
Method includes the following steps:
Main shaft is packed into calibration cutter, and main shaft is made to be moved respectively to machining center X-axis and Z axis centre of gyration position；
Determine rotary shaft practical center and program setting center in X to inclined with Z-direction using amesdial and worktable rotary
Difference；
Workbench, which is calculated, by mathematical model rotates the processing compensation rate after each angle to be programmed.
Specifically, using amesdial and worktable rotary determine rotary shaft practical center and program setting center X to
The method of deviation is；
Rotary shaft is moved to 0 degree of position of mechanical coordinate, and main shaft is packed into calibration cutter and makes main axle moving to machining center X-axis
Centre of gyration position is measured at calibration cutter major diameter by amesdial, amesdial scale is made to be directed toward zero-bit；
Mobile main shaft Z-direction, makes main shaft far from workbench；
Rotary shaft mobile Z axis after rotating to 180 degree face, makes main axle moving to machining center X-axis centre of gyration position, passes through
At amesdial measurement calibration cutter major diameter；
X-axis rotary shaft accuracy compensation is completed in corresponding mechanical machine tool parameter with amesdial total indicator reading.
Specifically, X-axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
Specifically, the positive negative of X-axis centre of gyration accuracy compensation value determines that principle is: amesdial reading for positive value, then return by X-axis
Turn center to compensate to positive direction.
Specifically, determine rotary shaft practical center and program setting center in Z-direction using amesdial and worktable rotary
The method of deviation is；
Rotary shaft goes to 0 degree of position of mechanical coordinate, and main shaft is packed into calibration cutter and main shaft is made to be moved to lathe to X-direction
X-axis centre of gyration position, main shaft Z-direction is moved to the position Z axis centre of gyration L/2 more than lathe, wherein L is calibration cutter
Length, by amesdial measure calibration one end face of cutter, make amesdial scale be directed toward zero-bit；
Mobile main shaft Y-direction, makes main shaft far from workbench；
Rotary shaft mobile Y-axis after rotating to 180 degree face, makes main axle moving pass through thousand to the X-axis centre of gyration position of lathe
Divide table measurement calibration cutter other end；
Z axis rotary shaft accuracy compensation is completed in corresponding machine tool mechanical parameter with amesdial total indicator reading.
Specifically, Z axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
Specifically, the positive negative of Z axis centre of gyration accuracy compensation value determines that principle is: for positive value, then Z axis returns amesdial reading
Turn center to compensate to positive direction.
Specifically, the mathematical model are as follows:
X '=X1*COS (B)=[X-Z*Tg (B)] * COS (B)=X*COS (B)-Z*SIN (B)
Z '=Z1*COS (B)=[Z+Z*Tg (B)] * COS (B)=Z*COS (B)+X*SIN (B)
Wherein, B is that table core axis rotates angle；
X ' is the actual deviation amount of table core in the X direction；
Z ' is the actual deviation amount of table core in z-direction；
X1 is that B axle rotates angle recoil and marks the vertical line of the X-axis and Workpiece zero point intersection point in coordinate X-axis before B axle does not rotate
Distance；
Z1 is that B axle rotates angle recoil and marks the vertical line of the Z axis and Workpiece zero point intersection point on coordinate Z axis before B axle does not rotate
Distance；
X is the X of workpiece to center and workbench X to the distance at center
Z is the Z-direction center of workpiece and the distance at workbench Z-direction center.
Specifically, the dial holder is in the rotary shaft.
Specifically, by finely tuning dial framework regulating mechanism, amesdial scale is made to be directed toward zero-bit.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis, which is characterized in that including walking as follows
It is rapid:
Main shaft is packed into calibration cutter, and main shaft is made to be moved respectively to machining center X-axis and Z axis centre of gyration position；
Using amesdial and worktable rotary determine rotary shaft practical center and program setting center X to and Z-direction deviation；
Workbench, which is calculated, by mathematical model rotates the processing compensation rate after each angle to be programmed.
2. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 1, feature
Be, using amesdial and worktable rotary determine rotary shaft practical center and program setting center X to deviation method
It is；
Rotary shaft is moved to 0 degree of position of mechanical coordinate, and main shaft is packed into calibration cutter and turns round main axle moving to machining center X-axis
Center is measured at calibration cutter major diameter by amesdial, amesdial scale is made to be directed toward zero-bit；
Mobile main shaft Z-direction, makes main shaft far from workbench；
Rotary shaft mobile Z axis after rotating to 180 degree face, makes main axle moving to machining center X-axis centre of gyration position, passes through thousand points
At table measurement calibration cutter major diameter；
X-axis rotary shaft accuracy compensation is completed in corresponding mechanical machine tool parameter with amesdial total indicator reading.
3. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 2, feature
It is, X-axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
4. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 2, feature
Be, the positive negative of X-axis centre of gyration accuracy compensation value determines that principle is: amesdial reading is on the occasion of the then X-axis centre of gyration to just
Directional compensation.
5. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 1, feature
It is, determines rotary shaft practical center and program setting center in the method for the deviation of Z-direction using amesdial and worktable rotary
It is；
Rotary shaft goes to 0 degree of position of mechanical coordinate, and main shaft is packed into the X for demarcating cutter and main shaft being made to be moved to lathe to X-direction
Axis centre of gyration position, main shaft Z-direction are moved to the position Z axis centre of gyration L/2 more than lathe, wherein L is the length for demarcating cutter
Degree measures calibration one end face of cutter by amesdial, amesdial scale is made to be directed toward zero-bit；
Mobile main shaft Y-direction, makes main shaft far from workbench；
Rotary shaft mobile Y-axis after rotating to 180 degree face, makes main axle moving pass through amesdial to the X-axis centre of gyration position of lathe
Measurement calibration cutter other end；
Z axis rotary shaft accuracy compensation is completed in corresponding machine tool mechanical parameter with amesdial total indicator reading.
6. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 5, feature
It is, Z axis centre of gyration accuracy compensation value determines that principle is: amesdial total indicator reading is divided by 2.
7. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 5, feature
Be, the positive negative of Z axis centre of gyration accuracy compensation value determines that principle is: amesdial reading is on the occasion of the then Z axis centre of gyration to just
Directional compensation.
8. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 1, feature
It is, the mathematical model are as follows:
X '=X1*COS (B)=[X-Z*Tg (B)] * COS (B)=X*COS (B)-Z*SIN (B)
Z '=Z1*COS (B)=[Z+Z*Tg (B)] * COS (B)=Z*COS (B)+X*SIN (B)
Wherein, B is that table core axis rotates angle；
X ' is the actual deviation amount of table core in the X direction；
Z ' is the actual deviation amount of table core in z-direction；
X1 be B axle rotate angle recoil mark the vertical line of X-axis and Workpiece zero point before B axle does not rotate in coordinate X-axis intersection point away from
From；
Z1 be B axle rotate angle recoil mark the vertical line of Z axis and Workpiece zero point before B axle does not rotate on coordinate Z axis intersection point away from
From；
X is the X of workpiece to center and workbench X to the distance at center
Z is the Z-direction center of workpiece and the distance at workbench Z-direction center.
9. the according to claim 1, modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis described in 2 or 5,
It is characterized in that, the dial holder is in the rotary shaft.
10. the modification method of the horizontal linkage motion cutting centre rotational axis position deviation of four axis according to claim 2 or 5,
It is characterized in that, by finely tuning dial framework regulating mechanism, amesdial scale is made to be directed toward zero-bit.
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| CN201811103346.9A CN109129006B (en) | 2018-09-20 | 2018-09-20 | Method for correcting position deviation of rotating shaft of four-shaft horizontal linkage machining center |
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| CN201811103346.9A CN109129006B (en) | 2018-09-20 | 2018-09-20 | Method for correcting position deviation of rotating shaft of four-shaft horizontal linkage machining center |
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| CN109129006B CN109129006B (en) | 2020-08-25 |
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