Laser Marking vs. Air-Powered Marking: A Choice of Production Methods

Laser marking and pneumatic marking are the two main technologies used in industrial marking.From the standpoint of principles, cost, efficiency and applicable materials, it provides a comparative analysis to help users choose the most suitable technology according to their production needs.Keywords include "laser marking," which emphasizes precision and permanence; "pneumatic marking," which is suitable for metal processing; and "marking technology selection guide," which helps with decision-making.

What exactly is the difference between laser and pneumatic marking?

When choosing a marking machine, many of my friends are torn between choosing a laser or an air-jet model.In fact, the two technologies are like a needle and a chisel: they each have their own areas of expertise.Today we're going to cut to the chase and help you figure out which is the best choice.

Principle: One is based on light, the other on force.

How does laser marking work?

Laser marking is basically the use of a high-energy beam of light to "burn" a mark onto a material, like embroidering a pattern onto a surface.Precision is as high as 0.01 mm, and QR codes can be engraved with perfect clarity.This is especially suitable for materials like stainless steel and plastic, which are easily deformed, and the marks are permanent.

The working principles of pneumatic marking.

The pneumatic method uses compressed air to drive the needle and create a high-frequency impact that literally "chisels" a mark into the material.The machine is designed to handle the tough jobs of casting and forging.The depth of the marks can reach 0.3mm, and the rust and wear resistance of the finished product is excellent.

Which one is the better bargain?

First, let's look at material types.

• Metal parts should be marked pneumatically: Castings and rough machined parts should be marked pneumatically, because deep marks can stand up to the elements.

• Precision parts with lasers: For delicate electronic components and medical equipment, lasers are gentler on the surface and therefore safer.

Consider the long-term costs.

Although laser machines are more expensive (starting at NT $ 100,000), since they do not require consumables, they are more economical over the long term.Pneumatic equipment has a low entry threshold (you can get started for NT $ 20,000 to 50,000), but the needles wear out quickly, and you have to have spare parts on hand for mass production.

Don't forget productivity.

A laser can complete 3-5 markings in one second, making it well suited to assembly line work.Air-powered markers take 2-3 seconds to make a single mark, but they have the advantage of being able to make deep marks even in corners, so they are often used for heavy machinery.

The master's advice.

1. Auto parts factories: Engine numbers and chassis numbers must be stamped with an air gun, and must be deep enough to pass inspection.

2. Electronics factories: Laser coding is selected for circuit boards because it doesn't conduct electricity or generate heat.

3. Tool and mold factories: Both types of equipment available, with rough and fine work done separately.

The last thing to remember is not to blindly pursue the latest technology.Last year we had a customer who insisted on laser marking a forged piece. As a result, the piece cracked and we lost NT $ 100,000.The best is the most suitable!