Engraving tool used in engraving machines. Using compressed air, it makes it possible to easily engrave on metal parts. By increasing the air pressure entering the machine, the engraving depth can be easily increased. This tool is produced in various sizes by Arian Sanat Hak Company, which can be used according to the needs and features of the machine.
This needle is usually made of highly resistant alloys such as tungsten carbide or hardened steels so that it does not wear or break under repeated impacts and high pressure. Since needle engraving machines are used in heavy industries such as automotive, oil and gas, and even the production of machine parts, the life and durability of the needle plays a decisive role in the efficiency and maintenance costs of the machine.
The way the needle works is that it creates small, regular dots on the surface with rapid, continuous strokes. These dots together form the desired letters, numbers, or design. The main difference between needle engraving and laser or traditional cutting methods is that they are point and stroke-like. This feature makes the writing very durable and resistant to wear, corrosion, or even subsequent painting. That is why engraving needles are used for serial numbers on engine parts, car bodies, industrial tools, or even metal identification plates.
Types of pneumatic engraving tools:
- 2.5 mm pneumatic engraving tool
- 3 mm pneumatic engraving tool
- 4 mm pneumatic engraving tool
- 4mm gold pneumatic engraving tool
- 6mm gold pneumatic engraving tool
- 6mm Scribe Engraving Tool
Unlike needle engraving machines, laser engraving machines have a very shallow engraving depth. Therefore, it is recommended to use a needle engraving machine for parts that require a greater engraving depth.
It should be noted that the 2.5 mm engraving tool has the lowest engraving depth and the 6 mm engraving tool has the highest depth. Therefore, to have the proper engraving, it is recommended to make sure to choose the right tool by calling or contacting the sales department.
One of the most important aspects of needle design is the angle of the tip. If the tip is too sharp, it may chip or crack more quickly. If it is too slow, the engraving depth will be reduced and the clarity of the writing will be reduced. For this reason, manufacturers of these needles offer different designs, depending on the material being engraved. For example, tungsten needles with an angled tip are used for hard steel and resistant alloys, but for plastics or softer metals, a slightly slower and more resistant tip is chosen.
Another advantage of using an engraving needle in impact machines is its easy replacement. After thousands of strokes, if the quality deteriorates, the user can simply remove the needle and replace it with a new one. This feature makes the maintenance costs of these machines lower than other methods, while at the same time ensuring that the machine is always ready to work.
Advantages of pneumatic engraving tools
1- Ability to change power using the inlet air pressure regulator, which allows you to easily change the power of the tool between a minimum of one bar and a maximum of 6 bars.
2- High number of strokes, about 20 strokes per second, which makes the engraving on the parts visible continuously.
3- This tool has very low depreciation, which increases the life of the device.
4- High quality engraving with adjustable depth that will satisfy customers.
5- Reasonable price of the device, which makes your purchase convenient.
In terms of speed, needle devices can engrave a relatively complex design or text in a few seconds to a few minutes, depending on the type of needle and the power of the drive system. The higher the quality of the needle, the greater the speed and accuracy of the engraving. Some models even have the ability to adjust the depth of impact, which again depends on the design and resistance of the needle.




















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