Today's sheet metal enterprises, using the optical fiber laser cutting machine for processing the situation it is not uncommon.
the advantage of optical fiber laser cutting is that it is a way of not contact materials processing, so will not damage plate surface, and cut off the surface will not have burrs, so it is a kind of can slash process after the processing method.
but, optical fiber laser cutting machine in the process also will encounter all sorts of practical insurmountable problems.
Here, we will analysis about the advantages and disadvantages of several kinds of gas laser cutting galvanized steel cutting.
as you know, the role of the galvanized steel sheet, is through galvanized inside to protect the surface of carbon steel, use for a long time will not easily rusty a plank.
Although the plate than the ordinary carbon steel plate a little bit expensive, but due to the need to rust after the coating process, so from the perspective of the cost of the entire product, or a deal.
from the Angle of auxiliary gas, generally there are three kinds of galvanized steel plate cutting process, i. e. air oxygen cutting, cutting and nitrogen gas cutting.
Next, we analyze the merits and demerits of the three kinds of optical fiber laser cutting machine for cutting process:
air fiber laser cutting: the advantage is that the processing cost is extremely low, only need to consider the laser itself and the air compressor of electricity can, without having to produce high auxiliary gas cost, and on the sheet cutting efficiency can match nitrogen gas cutting, is a kind of economical and efficient method of cutting.
But the shortcomings are also apparent on the surface of the cut off.
First of all, air cutting section will produce bottom burr, laser processed products also have to pass deburring of secondary processing, such as bad for the entire product production cycle.
Next, the cross section of air cutting easy black, influence the quality of the products.
Advantages of laser processing, therefore, no need for subsequent processing cannot be reflected, in according to the machining process of galvanized steel sheet, so many enterprise is not willing to choose air cutting way.
oxygen fiber laser cutting: this is the most traditional and most standard cutting method.
Advantage is low cost of gas, but also in the mainly carbon steel sheet metal processing, auxiliary gas without frequent switch, easy to plant management.
But the disadvantage is that after oxygen cutting, stay on the surface of the cut surface will have a layer of scale, if this kind of product with scale is directly welded, time grows, oxide skin fall off naturally.
One of the reasons for this is galvanized sheet welding easy to virtual welding.
nitrogen fiber laser cutting: using nitrogen to high speed machining, because use the effect of nitrogen is different from the fuel with oxygen, but to protect, so the cutting section does not produce scale.
Many companies take a fancy to this advantage, so cutting tend to apply nitrogen of galvanized steel processing.
But the nitrogen cutting faults are here: no protection due to the cutting section, so the product is easy to rust.
The best material for spraying again.
summarizes the advantages and disadvantages of these processing methods, each manufacturer can choose according to their actual needs to conform to the own way of processing.
Here, we recommend the laser equipment factory group CMA1530C - in China
GH -
Surrounded by A whole optical fiber laser cutting machine.
It has several under several features:
1, the optical fiber laser cutting machine adopts the longmen rack double servo drive structure, high inertia big torque motor, maximum acceleration of 1.
2 g, ensure the equipment running high speed and high precision;
2, high rigid reinforced welding lathe bed, imported large gantry milling, secondary annealing, effectively eliminate stress;
3, original imported fiber laser generator, light are of good quality and stable output power, to achieve high precision cutting.
4, beams through finite element analysis of structural mechanics, light weight, high rigidity, good dynamic performance.
5, surrounded by all, full protection of the fuselage design, to protect the personal safety of operators and environmental health.
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