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What are the major factors affecting laser engraving
by：Transon
2021-01-08
What are the major factors affecting laser engraving
can undertake various types of laser processing. Such as the material of surface heat treatment, welding, cutting, punching, sculpture and fine processing, etc. And CNC laser engraving machine processing object: organic board, cloth, paper, cardboard, leather, rubber, intensive version, foaming, melamine, glass, plastic, cotton and other nonmetal. CNC laser engraving machining technology has been widely used in machinery industry, electronic industry, national defense and people's life and many other fields. That the main factors influencing the CNC laser engraving machine, what what factors affect the laser engraving machine? About the influencing factors of laser engraving machine has the following six aspects:
1, the output power and irradiation time
the influence of laser power output is big, long exposure time, laser energy is gained by the workpiece. When the focus on the workpiece surface, the greater the output of laser energy, the sculpture in addition to the deeper the greater the pit, and taper is smaller.
2, focal length and the influence of divergence Angle
small divergence Angle of laser beam, the shorter the focal length of the focusing lens, the focal plane can get smaller light spot and higher power density. The smaller focal spot diameter on the surface of the, carving out more subtle product.
3, the influence of focal
the focus position for carved artifacts shape and depth of the pit slot formed by has very big effect. When the focus position is very low, through the light spot on the surface of the workpiece has a very large area, not only will produce a great bell mouth, and affect the machining depth due to energy density love oh. When the focus to improve, pit slot depth increases. If focus is too high, in the same surface flare is very large and removal in the area is large, shallow depth. So according to the position of the workpiece process requirement to adjust the focus.
4, the influence of the distribution of energy in the spot
after focusing laser beam spot light intensity is not the same everywhere. Energy is the focus of micro axial symmetrical distribution, beam groove machining are symmetrical, otherwise, the asymmetry of sculpture after pit slot.
5, the influence of irradiation times
with laser irradiation time, the depth of the machining is about five times the slot width, and taper is bigger. If use laser for many times, not only the depth can be greatly increased, taper can be reduced, and the width is almost the same.
6, the influence of the workpiece material
for a variety of workpiece material to absorb energy spectrum, gathered in the laser energy on the workpiece through lens cannot all be absorbed, there are quite a number of energy is reflected or projection and lost, its absorption rate is associated with the absorption spectrum and laser wavelength of workpiece materials.
in this paper, by the laser engraving, this view does not represent the views
can undertake various types of laser processing. Such as the material of surface heat treatment, welding, cutting, punching, sculpture and fine processing, etc. And CNC laser engraving machine processing object: organic board, cloth, paper, cardboard, leather, rubber, intensive version, foaming, melamine, glass, plastic, cotton and other nonmetal. CNC laser engraving machining technology has been widely used in machinery industry, electronic industry, national defense and people's life and many other fields. That the main factors influencing the CNC laser engraving machine, what what factors affect the laser engraving machine? About the influencing factors of laser engraving machine has the following six aspects:
1, the output power and irradiation time
the influence of laser power output is big, long exposure time, laser energy is gained by the workpiece. When the focus on the workpiece surface, the greater the output of laser energy, the sculpture in addition to the deeper the greater the pit, and taper is smaller.
2, focal length and the influence of divergence Angle
small divergence Angle of laser beam, the shorter the focal length of the focusing lens, the focal plane can get smaller light spot and higher power density. The smaller focal spot diameter on the surface of the, carving out more subtle product.
3, the influence of focal
the focus position for carved artifacts shape and depth of the pit slot formed by has very big effect. When the focus position is very low, through the light spot on the surface of the workpiece has a very large area, not only will produce a great bell mouth, and affect the machining depth due to energy density love oh. When the focus to improve, pit slot depth increases. If focus is too high, in the same surface flare is very large and removal in the area is large, shallow depth. So according to the position of the workpiece process requirement to adjust the focus.
4, the influence of the distribution of energy in the spot
after focusing laser beam spot light intensity is not the same everywhere. Energy is the focus of micro axial symmetrical distribution, beam groove machining are symmetrical, otherwise, the asymmetry of sculpture after pit slot.
5, the influence of irradiation times
with laser irradiation time, the depth of the machining is about five times the slot width, and taper is bigger. If use laser for many times, not only the depth can be greatly increased, taper can be reduced, and the width is almost the same.
6, the influence of the workpiece material
for a variety of workpiece material to absorb energy spectrum, gathered in the laser energy on the workpiece through lens cannot all be absorbed, there are quite a number of energy is reflected or projection and lost, its absorption rate is associated with the absorption spectrum and laser wavelength of workpiece materials.
in this paper, by the laser engraving, this view does not represent the views
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