The entire process of marking metal, including parameter references

The guide provides a detailed explanation of the entire process of laser marking metal, covering parameter settings, machine operation, and solutions to common problems.The company provides practical training in laser marking techniques and the characteristics of various metals, helping newcomers to quickly master the craft and improve efficiency and precision.It's a good reference for those in the manufacturing business and those who love to do things themselves.

Why is it necessary to pay attention to the parameters in the metal marking process?

Stamping metal looks easy enough, but when you actually try it, you often run into problems like blurred images or uneven depth.In fact, the key is in the settings of the parameters--the wattage, speed, and frequency of the laser, for example, all directly affect the final result.For example, the parameters for stainless steel and aluminum alloys are completely different, and applying the same mold to them will only result in problems.We'll now take you through each step, and show you how to get the results you're looking for.

Preparation work for engraving metal.

Choose the right equipment.

Lasers are the mainstream choice for marking machines, but lasers of different power (e.g.If you are cutting thin sheet iron or aluminum, 20 watts is sufficient, but for harder materials like titanium alloys, 50 watts or more is recommended.Don't forget to bring cotton swabs and tweezers to clean and hold the materials.

Testing material compatibility.

Test on scrap first! Some coated metals turn color in high temperatures, such as galvanized steel, which turns black.At this time, it is necessary to lower the power or switch to a pulsatile mode to avoid burning.When testing, make sure to record the effects of different combinations of parameters, so that you can compare them later.

A guide to practical parameter settings for marking guns.

These are the basic parameters.

For example, the "golden combination" for stainless steel in fiber laser marking machines is usually 30 % power, 500 mm / s speed, and 20 kHz frequency.If you want a deeper cut and higher quality, you can drop the speed to 300 millimeters per second and raise the power to 40 %.But don't crank up the power too high; excessive heat will cause the material to warp.

How do you handle unusual materials?

When engraving on reflective materials such as aluminum, remember to switch on the red light preview to locate the engraving area.For easily oxidized materials like brass, it is suggested that the auxiliary nitrogen gas function be activated to protect the surface.In terms of parameters, raising the frequency to 50 kHz or above reduces graininess, allowing for finer lines.

The skills for avoiding pitfalls.

Don't let the temperature fool you.

In the summer, the temperature in the workshop is high, and the efficiency of the laser head's cooling system decreases. So, when the machine is in continuous operation, it has to be shut down for 10 minutes every now and then to let it rest.During the dry winter months, he uses a humidifier to keep the humidity around 40 % to avoid sparks.

The secret to the fine patterns.

If you are engraving a complex logo, change the fill mode from "unidirectional" to "bidirectional." This will reduce the appearance of lines.If the edges of your text are blurry, try increasing the defocus by 0.5-1 mm. This will make the laser beam spread out and make the edges sharper.

Maintenance extends equipment life.

When you're done, don't turn the machine off right away. First use the compressed air to blow the metal dust off the rails, and then wipe the lens with alcohol.If the lines are not as clear as they should be, check the laser window for contamination.After 200 hours of operation, lubricate the bearings to ensure smooth operation of the transmission mechanism.