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Engraving machine

Views:6     Author:heyu     Publish Time: 04-08-2021      Origin:Site Inquire

Engraving is a combination of drilling and milling in terms of processing principle, and the engraving machine has multiple data input modes as required. There are two styles of electronic engraving machines: laser engraving and mechanical engraving, all of which have high power and low power.Because the application range of engraving machines is very wide, it is necessary to understand the most suitable application range of various engraving machines. Low power is only suitable for two-color boards, building models, small signs, three-dimensional crafts, etc., while carving jade, metal, etc., the power needs to be above 1500W. The high-power engraving machine can be used as a small-power engraving machine. It is most suitable for large-scale cutting, embossing and carving.

Technology Introduction:

The frequency conversion speed regulation method is commonly used in numerical control machine tools for the electric spindle. There are three major control modes to choose from:ordinary variable frequency drive and control, vector control drive and direct torque control.

Ordinary frequency conversion is scalar drive and control, and its drive control characteristic is constant torque drive, and the output power is proportional to the speed. The dynamic performance of ordinary frequency conversion control is not ideal, the control performance is not good at low speed, the output power is not stable enough, and it does not have the C-axis function. But the price is cheap, the structure is simple, and it is generally used for grinders and ordinary high-speed milling machines.The vector control technology imitates the control of a DC motor, is oriented by the rotor magnetic field, and realizes the drive and control by the method of vector transformation, which has good dynamic performance. The vector control drive has a large torque value at the beginning. Furthermore, since the electric spindle has a simple structure and low inertia, it has a high starting acceleration and can reach the permissible maximum speed almost instantly after starting. This kind of driver has two kinds of open loop and closed loop. The latter can realize position and speed feedback, not only has better dynamic performance, but also can realize C-axis function; while the former has a slightly worse dynamic performance and does not have C-axis function. , But the price is cheaper.Direct torque control is another new type of high-performance AC speed control technology developed after vector control technology. It has a novel control concept, a simple and straightforward device structure, and it is more suitable for driving high-speed electric spindles and can satisfy high-speed electric spindles. In the field of AC drive, the dynamic and static characteristics of high speed, large speed range, high speed, and instant stop have become a hot technology.

Scope of application:

Granite, marble, bluestone, sandstone and other stone carvings

Hard stone such as granite can be carved in layers to 5mm

Marble, bluestone, etc. can be carved up to 5mm at a time

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