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Brand Name
Laser Focus Lens
Place of Origin
Hubei, China
Product name
F-theta Scan Lens
Material
Fused Silica
Wavelength
Fiber YAG 1064nm
Scan Field
50x50mm-600x600mm
Focal length
F100-F680mm
Thread
M85mm
Application
Laser Marking Machine
Weight (KG)
0.8KG
What is F-theta Scan Lens/Field Scan mirror
(1)According to the number of field lenses, there are several types of 0-focus field lenses, such as single lens, double lens, and triple lens. Generally speaking, monolithic field lenses are easier to process, so the price is cheaper. And generally only CO2 field mirrors have monolithic field lenses, why is this, as long as the zinc selenide material of C02 field mirrors is too expensive. Of course, CO2 field mirrors are also available in two-element and three-piece types, but they are expensive because of the large number of materials used and the complexity of processing. According to the wavelength of the field mirror, there are: 266m ultraviolet field mirror, 35m ultraviolet field mirror, 450m blue field mirror, 532m green field mirror, 1064m light red field mirror, 93umCO2 field mirror, 10.2umCO2 field mirror, 106umCO2 field mirror. The most commonly used one is the 1064m light field mirror
Main Technical parameters
(2) The main technical parameters of a field mirror include the operating wavelength, scanning range (or focal length), and the focal spot diameter.The working wavelength of the working wavelength field mirror is determined by the laser of the marking machine. The wavelength of the fiber laser is 1064nm, the wavelength of the CO2 laser is 106um, the wavelength of the green laser is 532m, and the wavelength of the ultraviolet laser is 355m.
Scanning Format
(3) The scanning format of the focusing field mirror is determined by the focal length of the focusing field lens, and only the focal length is generally marked on the field lens, and there is an empirical formula for the focal length and the scanning format: the focal length of the format f=0.7× focal length. For example, the corresponding format of the field mirror of =160mm is a square of 112mm, and the whole of the correction format is 110mm×110mm, and the corresponding width of the field mirror off=100mm is 70mm×70mm.
Marking Area
(4) For products with a certain arc or ups and downs, the marking area should be increased to achieve the depth of focus to meet the requirements. We know that products with a certain arc or undulating surface need a certain depth of focus for the field lens, and if there is a long depth of focus, then the corresponding focal length should be longer. Therefore, when considering the field lens, we should not only look at the format, but also take the problem of depth of focus into account, so we need to increase the large area, so that the focal length increases, and the corresponding depth of focus increases.
Thread of The Field Mirror
(5) The thread of the field mirror: the installation thread of the general field mirror is M85*1, but the thread of the galvanometer in Germany on the market is M79*1, the thread of the galvanometer of rayase is M55*1, and the thread of some laser cleaning machines and beauty instrument field mirrors is M39*1, and the thread of some galvanometer welding field mirrors is M95*1 M102*1, M112*1, etc., some CO2 field mirrors of Han's are fixed with three screws. Therefore, when buying a field mirror, you must also figure out this thread, if you really can't find the field mirror with the corresponding thread, you can find the field mirror of the laser marking machine cabinet to make a thread conversion circle.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
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