Planer-type scalable measuring machine processing method
Technical field
The processing method that the present invention relates to a kind of measuring machine, the processing method of the planer-type scalable measuring machine that especially a kind of machining accuracy is high, belong to laser detection equipment technical field.
Background technology
In order to improve positioning precision and the repetitive positioning accuracy of mechanism, tradition large-sized gantry formula measuring machine critical piece generally adopts granite to make, overall structure is heavy, processing difficulties, controllability is poor, and space mobility is poor, and middle-size and small-size measuring machine generally uses mobile bridge-type, fixing bridge-type, horizontal arm type etc., but its overall structure feature determines its poor stability, geometric accuracy is subject to the impact of external environment (such as gravity, temperature, vibration etc.).
As shown in Figure 1, existing planer-type scalable measuring machine is made with metal material for main, it is generally adopted linear electric motors and synchronizes dual-drive technology, including base 1, it is arranged on the Y-axis aluminium sheet 2 of both sides, base 1 upper end, it is arranged on the X-axis aluminium sheet 4 inside base 1 one end triangular beam 3 and Z axis module mounting plate 5, several adjustment device 6 it is respectively equipped with outside both sides, base 1 upper end and triangular beam 3, Y-axis Double line rail 7, Y-axis magnetic sheet and Y-axis grating scale (not shown in FIG.) are separately mounted on the corresponding locating surface of Y-axis aluminium sheet 2, X-axis Double line rail 8, X-axis magnetic sheet and X-axis grating scale (not shown in FIG.) are separately mounted on the corresponding locating surface of X-axis aluminium sheet 4, Z axis module is arranged on Z axis module mounting plate 5, two linear electric motors 9 are respectively supported on Y-axis Double line rail 7, in order to ensure the certainty of measurement of whole mechanism, the installed surface of above-mentioned each part need to meet the geometric accuracy requirement of regulation.
Middle-size and small-size planer-type scalable measuring machine based on metal material is adopted with single-piece work, assembling, detection, accuracy correction, the conventional processes detected again can not meet the requirement of middle-size and small-size Gantry measuring machines high-efficiency high-accuracy, and the single-piece of certain structures complexity is adding location difficulty in man-hour, processing needs multiple clamping, efficiency is low, the depth of parallelism of single-piece, the positions of related features such as perpendicularity are difficult to ensure that, machining accuracy is low, in addition, single-piece assembling there is also cumulative error, anthropic factor is big on precision impact, give detection, correction accuracy brings difficulty, sometimes even there is reaching the situation of required precision.
Summary of the invention
It is an object of the invention to provide the adjustable measuring machine processing method of planer-type that a kind of technique is simple, easy to operate, machining accuracy is high, efficiency is high.
The present invention is achieved by the following technical programs:
A kind of planer-type scalable measuring machine processing method, comprises the following steps:
(1) strength and stiffness of planer-type scalable measuring machine are carried out finite element analysis, analyze, according to analyzing result, the impact that in the course of processing, part is processed by cutter active force further;
(2) two blocks of Y-axis aluminium sheets are separately mounted to both sides, measuring machine base upper end, and lock base respectively regulates device;
(3) measuring machine is supported on Five-axis NC Machining Center lathe, regulates the positioning datum in tri-directions of measuring machine base X, Y, Z respectively, and lock base with special fixture;
(4) according to Y-axis aluminium sheet locating surface size Selection cutter, Y-axis magnetic sheet locating surface, Y-axis line rail Z-direction locating surface, Y-axis line rail X is processed successively to the hole, location in locating surface, Y-axis grating scale locating surface, Y-axis and screwed hole along Y-axis aluminium sheet locating surface width one-pass, and by amesdial on-line checking machining accuracy;
(5) online installation Y-axis Double line rail, and by geometric accuracies such as amesdial on-line checking Y-axis Double line rail linearity, the depth of parallelisms, reach online triangle crossbeam and the X-axis aluminium sheet installed after required precision, and lock triangle crossbeam with special fixture, locking triangular beam respectively regulates device simultaneously;
(6) according to X-axis aluminium sheet locating surface size Selection cutter, the hole, location in X-axis magnetic sheet locating surface, X-axis line rail Y-direction locating surface, X-axis line rail Z-direction locating surface, X-axis grating scale locating surface, X-axis and screwed hole is processed successively along X-axis aluminium sheet locating surface width one-pass, and by amesdial on-line checking machining accuracy;
(7) online installation X-axis Double line rail, and by the perpendicularity of amesdial on-line checking X-axis Double line rail linearity, the depth of parallelism and X-axis Double line rail Yu Y-axis Double line rail, online Z axis module mounting plate of installing after reaching required precision, and lock Z axis module mounting plate with special fixture;
(8) according to Z axis module mounting plate locating surface size Selection cutter, the hole, location on Z axis module mounting plate locating surface, Z axis module mounting plate and screwed hole is processed successively along Z axis module mounting plate locating surface width one-pass, and by amesdial on-line checking machining accuracy.
(9) overall online natural aging treatment;
(10) online X-axis grating scale, X-axis magnetic sheet, Y-axis grating scale, Y-axis magnetic sheet and the Z axis module etc. of installing, and by amesdial on-line checking installation accuracy;
(11) removing each special fixture after having assembled, the course of processing terminates.
The purpose of the present invention can also be realized further by techniques below measure.
Aforesaid a kind of planer-type scalable measuring machine processing method, wherein in step (2) between base and Y-axis aluminium sheet, is respectively mounted triangle chock between step (5) intermediate cam crossbeam and X-axis aluminium sheet.
The present invention processes the planer-type scalable measuring machine each locating surface of Y-axis aluminium sheet, clamped one time location respectively when each locating surface of X-axis aluminium sheet and each locating surface of Z axis module mounting plate, one-pass, ensure that each locating surface, the geometric accuracy of hole, location and screwed hole, also ensure that each Double line rail simultaneously, each magnetic sheet, the assembly precision of linear electric motors and each grating scale, the particularly depth of parallelism of Double line rail and corresponding grating scale, machining accuracy is high, generation assembly accumulation error can be prevented effectively from, eliminate the impact of Abbe error, synchronized tracking detection machining accuracy in the course of processing, avoid duplicate detection and the adjustment of geometric accuracy, work efficiency is high, overall natrual ageing is adopted to eliminate forming residual stress after machining, eliminate the warpage that processing causes, improve the stability of system.
Advantages of the present invention and feature, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, these embodiments, it is only used as example with reference to accompanying drawing and provides.
Accompanying drawing explanation
Fig. 1 is the structural representation of planer-type scalable measuring machine of the present invention;
Fig. 2 is the process flow diagram of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, invention is described further.
As in figure 2 it is shown, the present invention adopts oil medium cooling and lubrication in the course of processing, comprise the following steps:
(1) strength and stiffness of planer-type scalable measuring machine are carried out finite element analysis, analyze, according to analyzing result, the impact that in the course of processing, part is processed by cutter active force further;
(2) two blocks of Y-axis aluminium sheets 2 are separately mounted to both sides, measuring machine base 1 upper end, triangle chock are installed between base 1 and Y-axis aluminium sheet 2, tremble eliminating processing, improve machining accuracy, simultaneously each on locking base 1 regulate device 6;
(3) measuring machine is supported on Five-axis NC Machining Center lathe, regulates the positioning datum in tri-directions of measuring machine base 1X, Y, Z respectively, and lock base 1 with special fixture;
(4) according to Y-axis aluminium sheet 2 locating surface size Selection cutter, Y-axis magnetic sheet locating surface, Y-axis line rail Z-direction locating surface, Y-axis line rail X is processed successively to the hole, location in locating surface, Y-axis grating scale locating surface, Y-axis and screwed hole along Y-axis aluminium sheet 2 locating surface width one-pass, and by amesdial on-line checking machining accuracy;
(5) online installation Y-axis Double line rail 7, and by geometric accuracies such as the linearity of amesdial on-line checking Y-axis Double line rail 7, the depth of parallelisms, online installation triangle crossbeam 3 and X-axis aluminium sheet 4 after reaching required precision, triangle chock is installed between triangle crossbeam 3 and X-axis aluminium sheet 4, and lock triangle crossbeam 3 with special fixture, each adjustment device 6 on locking triangular beam 3 simultaneously;
(6) according to X-axis aluminium sheet 4 locating surface size Selection cutter, the hole, location in X-axis magnetic sheet locating surface, X-axis line rail Y-direction locating surface, X-axis line rail Z-direction locating surface, X-axis grating scale locating surface, X-axis and screwed hole is processed successively along X-axis aluminium sheet 4 locating surface width one-pass, and by amesdial on-line checking machining accuracy;
(7) online installation X-axis Double line rail 8, and by the perpendicularity of the linearity of amesdial on-line checking X-axis Double line rail 8, the depth of parallelism and X-axis Double line rail 8 with Y-axis Double line rail 7, online Z axis module mounting plate 5 of installing after reaching required precision, and lock Z axis module mounting plate 5 with special fixture;
(8) according to Z axis module mounting plate 5 locating surface size Selection cutter, the hole, location on Z axis module mounting plate locating surface, Z axis module mounting plate and screwed hole is processed successively along Z axis module mounting plate 5 locating surface width one-pass, and by amesdial on-line checking machining accuracy.
(9) overall online natural aging treatment, eliminates forming residual stress, it is to avoid secondary deformation;
(10) online X-axis grating scale, X-axis magnetic sheet, Y-axis grating scale, Y-axis magnetic sheet and the Z axis module etc. of installing, and by amesdial on-line checking installation accuracy;
(11) removing each special fixture after having assembled, the course of processing terminates.
In addition to the implementation, the present invention can also have other embodiments, all employings to be equal to replacement or the technical scheme of equivalent transformation formation, all falls within the protection domain of application claims.