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CNC engraving machine development trend

Familiar with and master the operation method of engraving machine and process requirement, to various industries processing technology has made the simple summary. Large engraving machine, engraving area corresponding to the greater the effect will be close. Because of large area of the longer the engraving machine bar will appear more serious resonance (vibration). Half a slice is a complicated process, often used in industry have cloth, mobile phone keys, reflective material and so on. Bottom flatness is very demanding, laser tube can meet the requirements of flexibility in China. Concrete engraving speed and light intensity, different materials of different users, the parameter combination is different, is roughly:

1. Carton packaging industry (rubber)

Engraving rubber mainly used machine is YM series, generally choose 50 mm focus lens, PLT and BMP format used. PLT is mainly used to hang up. Both formats have their own advantages, particular case is particular analysis. When the word carved height is greater than 10 mm or patterns of lines is greater than 1.5 mm, you can use hook side way, a show of 7 mm single ordinary rubber version, for example, when the hook side surface humidifying the newspaper, with a flat jet cup, prevent blow is too big blow up wet paper, so that make the check out line is more exquisite. As general adjustment speed is: 0.5-0.8 m/min, the faster the speed, the sawtooth is larger; Light intensity is adjusted for: 20% - 50%. As the different adjustments to the depth, if you want to further some of the light intensity of up to 60% - 70%. Double rubber version is: 4 mm double rubber version of the light intensity to 1.5 mm deep and the speed is generally asked to 0.5 m/min, the light intensity was 45%, depending on the specific situation. If you carve the word height less than 10 mm, generally USES sculpture at this moment, at this time speed is adjusted for: generally 10 to 15 m/min; Light intensity adjustment for top 18% 28%, deep depth of 55% 75%, slope is between 0.8 1.5, general is 500-600 dpi resolution, text more dense or more small, the light intensity is to set up the small, the smaller the slope is relatively set too.

2, cloth embroidery industry

Cloth cutting generally USES high-speed harm CM or TM series, generally choose 50 mm focus lens, monolayer cutting speed is 5 m/min, normal light intensity was 40%, the size of pump power, the stand or fall of honeycomb floor and flatness, the size of the light intensity will affect the harm effect to the fabric. The light intensity, the greater the thermal radiation, the greater the light creates a gap. Is now the biggest problem is yellowing phenomenon, cutting the fabric flat on the honeycomb plate, open exhauster, timely take soot, prevent cut generated when smoke smoked yellow cloth, open air compressor to ensure mild or blowing, blow away the slotted in volatile impurities and dust, blowing with inert gas (such as nitrogen) is more ideal.

(1), the common fabric cutting (non-woven, polyester, dacron, silk, color butyl, twill, etc.) fabrics belongs to thin material, in order to ensure the effect of incision, we generally choose 50 mm focus lens, light thin, small kerf width. Open the laser machine peripheral equipment (convulsions, blowing), cloth evenly adsorbed on the honeycomb plate, blowing with high power pump gas compressor. Speed: large graphics or external curve smoothing part can be used in a high speed, CM machine, for example, usually in 3-10 m/min; Small figures or graphics inside the curve or corner part adopts low speed and more generally in 0.5-3 m/min, light intensity, the matching principle of light intensity is high with great intensity, low speed with XiaoGuang is strong, strong general adjustment time for 30 to 60; When low speed for 18-35%, and must have the light intensity difference size, generally in 5-15%, in order to realize the cutting lines and curves deceleration when the light intensity to the size of the match.

(2) the special fabric cutting (white cotton cloth, dust-free cloth, including PC and plastic components, etc.) process requirement: white cotton requires cutting is not yellow, dust-free cloth cutting after discoloration, not hair cut hard, for the two fabrics, we should choose a 50 mm focus lens, had better be imported radio frequency laser, to ensure the quality and stability of light spot. Cut open convulsions, blowing (white cotton cloth when open air compressor), conditional recommend the use of nitrogen. Speed: 1.5-3 m/min, the light intensity: 20-30%, due to not achieve the purpose of the yellow and notch the same hard, we should use medium speed matching appropriate light intensity to cutting, fast speed, we have to increase the light intensity, the incision will change color with the light intensity of high temperature burning or harden and too slow light stays on the cut time is too long, also cannot achieve the ideal effect. In terms of current equipment and processes, to perfect it is difficult to reach the technical requirements, especially the thicker white cotton, incision can have color change, the emergence of dust-free cloth will be slightly stiff.

(3) double cloth (stickers) cutting (upper cut through the next layer of no damage or slight injury)

It is processing in electronics industry and for laser optical precision, stability and intensity of the speed of matching has higher demand, at present, we generally adopt domestic glass tube proofing, basic can achieve effect, but for mass processing, recommend using imported radio frequency laser. Blowing open convulsions, adsorption on the honeycomb material smooth, and the four corners of the base to adjust cellular flatness. Speed light intensity: the specific parameter depends on the material, the two are able to achieve a better match, generally a layer of around 1.5-6 m light intensity at around 18 to 35; Under a layer of light speed has no specific requirements, on the premise of guarantee the good quality of incision can drive a bit faster as far as possible, in the set value when the light intensity, also want to be there, so that guarantee during deceleration realize cutting consistent with depth. (some materials can't blow)
 

2013-03-26 17:36

 

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