Using laser equipment for stone engraving is highly recommended by professionals. Therefore, let us investigate the characteristics that should be taken into consideration while selecting the equipment and the methods for producing high-quality things.
The manufacture of signs and other ornamental parts for monuments and tombstones, as well as the fabrication of souvenirs, are the primary applications for stone engraving. The picture produced by a laser machine has the better overall quality and greater detail. The DPA value is set at 2500 even though the diameter of the laser beam is less. In comparison, the impact marking machine has a value of 128 DPA for its output.
When using a laser machine for engraving, the stone’s natural structure is not disturbed in any way. The laser beam creates the pattern by vaporizing the material on the surface in a certain pattern. While an impact marking machine performs it, causing damage to the stone and chipping away chunks of it. A laser machine is far quicker than an impact-marking stone engraving machine. Consumables for use in laser equipment have a longer expected lifespan.
Impact On Material Structure
When using an impact marking machine, the marking tool makes forceful contact with the workpiece. Consequently, the substance will be obliterated in the zone of impact. The result is the formation of a crater, often known as a puncture hole. The amount of energy and the length of time the tool is allowed to contact the stone are the two primary factors that influence the size of the hole. To produce a crater, it is necessary to pierce the workpiece on many occasions. In this scenario, the occurrence of each hit results in the formation of a minuscule chip. Moreover, there is no way to prevent this from happening while working with stone with an impact marking machine.
It should take twenty minutes to complete a sketch with a dimension of 30 centimeters by 40 centimeters. In addition, there is the capability to manufacture many pieces of work simultaneously, considerably accelerating the whole process. The impact is marking machine moves at a considerably more snail-like pace. Creating an identical picture requires several hours of work.
Consumables Service Life
In general, laser equipment does not require many consumables. Using a laser tube with 60–80 W for stone processing is recommended. It has sufficient power for engraving, and the spot it produces is rather tiny; this allows for producing extremely fine lines. In addition, the longevity of the laser tube will be significantly improved if it is used at 10-12% of its maximum power rather than at full power. However, the laser strength must be increased for some kinds of stone.
The working area, the moveable gantry, and the robust, durable frame are the primary components that make up the design of a laser machine. The apparatus must be very stiff and heavy to exclude the possibility of breaking under pressure caused by the weight of the stone.
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