Laser cutting different materials need to pay attention analysis

-

With laser cutting areas of the use of more and more widely applicable materials are also more and more. However, different materials have different properties, so the need for attention in using the laser cutting is also different, following a brief analysis of the main materials used for laser cutting: Structural steel Cutting the material with oxygen will get better results. When using oxygen as a process gas, the cutting edge will be slightly oxidized. 
Various materials

For the plate thickness up to 4mm, with nitrogen as the process gas and high pressure cutting. In this case, the cutting edge will not be oxidized. Plate thickness of 10mm or more lasers use special plates and oil coated the surface of the workpiece during machining can get better results.
 Stainless steel
Cutting stainless steel needs: the use of oxygen, in the case of edge oxidation does not matter; nitrogen to obtain a non-oxidizing burr-free edge of, you do not need further treatment. Perforated plate surface coating film will get better results, without reducing the quality of processing.
Stainless steel

 Aluminum
In spite of a high reflectivity and thermal conductivity aluminum of a thickness of less than 6mm can be cut, depending on the alloy type, and lasers. When using oxygen cutting, the cut surface is rough and hard. With nitrogen, the cutting surface smoothness. Very difficult to cut because of its high purity, pure aluminum is only installed on the system "reflection absorption device whencutting aluminum. Otherwise, the reflection will damage optical components.
Aluminum

Titanium
Titanium sheet with argon gas and nitrogen gas as a processing gas to cutting. Other parameters can refer to a nickel-chromium steel.
Titanium

Copper and brass
Both materials have a high reflectivity and a very good thermal conductivity. Brass of a thickness of 1mm or less can be cut with nitrogen; copper in a thickness of 2mm or less can be cut, the processing gas with oxygen. The only reflection-absorption device is installed on the system when to cut copper and brass. Otherwise, the reflection will damage optical components.
Copper and brass

Synthetic materials
Dangerous and may cut emissions of hazardous substances to remember when cutting synthetic materials. The workability of the synthetic material: thermoplastics, thermosetting materials, and synthetic rubber.
Organics

Cutting of all organic material there is a danger of ignition (with nitrogen as the process gas can also be compressed air is used as the process gas, Wood, leather, cardboard and paper, laser cutting, cutting edge scorch (brown).




Useful:Laser cutter reviews

Comments

Post a Comment

Lser knowledge

CO2, Nd YAG & Fiber lasers - which is right for me

-
With so many options on laser marking systems available today it is not surprising that many people get confused with which is the most suitable to their application. Many people don’t even know that the term “laser”, is actually an acronym – Light amplification by stimulated emission of radiation – which explains the process by which a laser beam is created. The basic theory of this is simple. A gain medium (the material that is used to create the laser light), is excited using either light or electrical energy to generate photons (the laser light). All of this is happening in a closed cavity, with a completely reflective mirror at one end, and a semi reflective one at the other. When the light bouncing around inside gains enough energy, it escapes through the semi-reflective mirror.    These high energy photons are then focused to a small spot (much like you did at school when you used a magnifying glass to focus the sunlight to burn things!). If it is a vector laser, this beam
Read more

What is the advantage of a laser cutting machine

-
Image
There are quite a few advantages to laser cutters vs other processes.(I do feasibility studies for potential clients full time for a laser cutting machine builder, so I'll try to explain without sounding biased) Typically, the alternative for a laser cutting process is a blanking press or a turret punch. A blanking press has a special cutting tool for each shape. A turret punch has a number of small tools and punches out a part by cutting a limited number of hole sizes and some line shaped blades for the outer edges.  A laser cutter traces the outline of a part with the laser melting the metal, and an assist gas blasting the molten metal out of the cut. Some advantages of a laser cutter :  Lower power consumption: a typical blanking press or turret punch consumes 50kW of power in total. A 4kW laser system uses 10kW of power total typically. Safety: A blanking press has a large blade that moves rapidly up and down, and doesn't necessarily have safet
Read more

CO2 Laser Tube Used Information

-
1. Before using, please ajust the position of water pipes  based on the principle,that is , to inflow from water inset into laser tube and outflow from its water oulet. And keep water fully inside laser tube without bublble.Then ,turn on the power supply. Requirement: the cooling water is used soft water like distilled water or pure water.And please attention that the temperature of water used, which should be controlled between 12 degree and 30 degree.So the temperature of water is not cooler than 12 degree and not hotter than 30 degree. Specially in summer,it should change water or stop water chiller work and rest some. In cold area, Please attention that Do not let water frozen insider laser tube. Especially,when laser machine is power off, please let the water out from laser tube to avoid freeze to break laser tube.( Attentions: customers who use alternating current must let the water box grounded). 2.The supporting points of laser tube should be a quarter of whole laser tube.I
Read more