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Here are some Laser Power Misconceptions, along with the reality:
Higher power is always faster
Higher power will allow for deeper cutting or engraving, but NOT necessarily faster cutting or engraving. Speeds may be limited by the material, the machine itself, or by the quality achieved at higher speeds.
Higher power will change the way a material looks when cut or engraved
Higher power will NOT change the way a material discolors when cut. Almost always, the material is going to exhibit a certain color when laser cut, and overall laser power has little to no effect on what color this might be. It is possible to reduce the burning effect on many materials by simply reducing power percentage and speed.
Higher power is always faster
Higher power lasers have larger increments in power than lower power lasers. There are 100 increments of power in all of ULS systems. Each 1% change in our 50 watt systems equates to 0.5 watts, as compared to a 15 watt laser which can be adjusted in 0.15 watt increments. Lower power lasers an be controlled to a finer degree.
Higher power is more versatile
Versatility is best achieved with mid power lasers. The 25 to 40 watt lasers are the best choice for the most versatility.
Higher power will make for a cleaner cut because the machine can go faster
Higher laser power can increase the speed of engraving, BUT speed can be the enemy of quality. There is a difference in the engraving and cutting quality of ANY laser when run at maximum speeds
Higher laser power has it's place, but there are MANY times when LESS laser power is BETTER. There are also many times when low power lasers are just as productive as high power lasers.
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