Gantry structure, helical gear and rack, bilateral drive for the features of cutting machine do you understand?
by:ZORON Machinery2021-01-29
Cutting machine in the application of industrial products in recent years the rapid development of the near infrared wavelength (
1080海里)
Also more conducive to the absorption of metal materials, especially in the field of high-power welding, cutting, show the high processing capacity and efficiency.
Compared with the gas CO2 machine, cutting equipment has the following characteristics: low maintenance, low energy consumption, low operation cost;
Optical fiber transmission, do not need to reflect lens, don't need to adjust the light path;
Low power consumption, no working gas consumption, energy conservation and environmental protection.
At the same time, the near infrared wavelengths are more likely to cause harm to human body, especially the eye damage, required equipment has better sealing protection functions.
why cutting machine adopts the gantry structure?
CNC cutting machine equipment usually use the type of the gantry type, cantilever type, middle hangs the beam, etc.
But as the processing and application to the development requirements of the high speed, high speed, high stability and improve the development of control technology, gantry structure with its unique structural advantages also become the mainstream models in the world, is also a lot of famous brand structure adopted by the cutting machine manufacturer.
what are the typical features of cutting machine process?
cutting machine equipment application in the field of sheet metal cutting, compared with the traditional CO2 cutting machine, change is the external light path, cutting head, auxiliary gas, etc.
Cutting head can be directly through the optical fiber, optical path is stable and reliable guarantee the consistency of the whole wide cutting machine tool and machine tool protective gas, also do not need outside light path will not equipped with air compressor and other processing system;
After the cutting head of collimation, focus, usually configurable focal length of 125 mm or 200 mm focus lens, focus lens and the nozzle must be equipped with protection between the lens in order to prevent the focus lens contaminated;
Has a good focus on performance, short focal depth, cutting seam width narrower (
Can reach 0.
1mm)
, higher speed, is suitable for the fast cutting of thin plate.
why cutting machine adopt bevel gear and rack to drive?
of some commonly-used straight axis nc machine tool driving system with ball screw and gear rack, linear motor.
Ball screw is typically used for low speed small stroke of CNC machine tools;
Gear and rack is widely used, which can realize high speed, large stroke;
Linear motor used in high velocity, high acceleration, numerical control machine with special structure.
In addition, the gear and rack is divided into two kinds of straight teeth and helical teeth.
Relative to the straight tooth bevel, meshing area is larger, between pinion and rack drive will be more stable.
cutting machine what is the distinguishing feature of bilateral drive again?
there are two kinds of gantry structure of the cutting machine movement forms, one is processing the gantry but workbench fixed, the second is the longmen fixed and moving workbench.
For large format, high speed and high performance cutting machine, usually USES is the first form, because the workbench with the workpiece movement is not suitable for high speed and thick plate cutting.
This bilateral drive guarantee the force balance beam, beam synchronization operation.
And some manufacturer of cutting machine adopts longmen unilateral drive, servo motor installed at one end of the gantry beams, through a long axis transfer driving force to the other, to achieve double pinion and rack drive, single servo motor drive.
Unilateral drive makes the asymmetry of stress on both ends of the beam, affect the synchronization precision, reduce the machine dynamic performance.
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