An important step in the process of using a laser marking machine is to adjust the focal length of the laser marking machine. Adjust the position several times to find the smaller spot position to determine the focal length and suitable position of the laser head. That's where the focal lens comes in laser focusing lenses have a convex contour that makes the laser beam converge to an extremely narrow point, bending the laser beam into an X shape. The motor is used to drive the focusing lens to move up and down and to achieve the . A process when adjusting focal length.Focal length adjustment is very important when doing a 3D laser processing work.FEELTEK, inventing the 3D dynamic focus. Form the focal plane. Today, this paper summarizes some debugging methods of focal length of conventional laser marking machine. Most of the laser equipment matching the focusing field lens will have a mark on it. The above is the general term for the determination of the focal position of the laser cutting machine. So while the depth is longer (allowing to cut thicker material), there will be a much weaker power intensity (so can only cut through softer materials). When using the Blue Light Laser Separation Machine, how to adjust the focal length? In this issue, we will teach you three ways to adjust the correct focal length, remember it! The focal point of 0-focal cutting is close to the surface of the workpiece. 1. 0 focal length (the cutting focus is on the surface of the cutting material) is usually a focus positioning method suitable for cutting SS41, SPH, SPC and other materials. 2. Engraving the laser on the surface with the correct focal length is a key factor for the device to perform its performance correctly. After fully understanding the theoretical knowledge related to laser focal length, let's enumerate a few conventional methods of finding the focal length. The height of the focusing lens from the cardboard is about 10mm, which is smaller than the focal length of the focusing lens. LXF3015G. The equipment manufacturer will emphasize the importance of focal length during equipment installation training and sample adjustment. This in turn directly affects the optimum intensity and speed of marking. With our lasers we recommend about 1 to 3 inches away from the work surface. Draw a square or circle of about one centimeter on the marking software. The focal length of the focusing lens cannot be changed, so we cannot adjust the metal fiber laser cutting machine focal position by changing the focal length. The method for adjusting laser optical-channel focal length includes adopting an optical bench as a support, positioning a transmitting lens cone and a receiving lens cone by a first support seat and a second support seat mounted on the upper surface of the optical bench, adopting an auxiliary support bar as support aid, and adjusting the transmitting lens cone and the receiving lens cone on the same central line; adjusting the distance between an optical receiving lens set and a receiving . If we pass this beam through a 3.75-inch (95.25-mm) lens, the diameter at the focal waist would be approximately 128 microns (0.128 mm). The focal length is actually an undesirable aspect of the lens as it requires you to have a machine that . After installing the laser cutting machine, install a scribing device on the cutting nozzle of the CNC cutting machine, and the scribing device draws a simulated cutting pattern, which is a 1 meter square. 1.Continuous light test. In general, shorter focal length lenses generate tighter focuses and require lower intensities and vice versa. (3) Wait for each axis to return to the initial position, and then proceed to step 2: move to center. The focal length in this case is adjustable. Some Conventional Debugging Methods for Adjusting the Focal Length of Laser Markers. Draw a square or circle about one centimeter on the marking software. Turn the field lens of the laser marking machine into a small field lens. Today, the OEM laser marking machine manufacturer summarized some conventional laser marking machine focal length debugging methods. Focal length is the distance from the focal lens to the laser beam's convergence point. When you use the rotary attachment, this will be quite useful. The current method of adjusting the focal length of the laser marking machine is nothing more than lifting the resonant cavity and lifting the table. The focal length of the focusing lens of each laser cutting machine is different. When the laser head is at a different height, press and hold the "positioning" key for more than 3 seconds. This function also makes . 3.0 focal length. 1. The spot size of the laser beam at the markable substrate directly depends on the focal length of the lens. LX3015C. That is, the height of the laser head we want to adjust. The focal length rod should be placed in the correct position, and the. The current mainstream is the lifting of the worktable. . The vertical distance from the optical center of the convex lens to the focal plane is what we call the focal length. It's difficult to adjust focal length for a begginer with CO2 metal and nonmetal laser cutter. We normally have ours between 2.5 and 3 to help keep debris off the lens. We specially take a video, From this video, you can learn more about CO2 metal and nonmetal laser cutter. The method for adjusting laser optical-channel focal length includes adopting an optical bench as a support, positioning a transmitting lens cone and a receiving lens cone by a first support seat and a second support seat mounted on the upper surface of the optical bench, adopting an auxiliary . When the depth of the drawn graphic is the deepest, it can be regarded as the most g ood height. LXF3015J. When the spot of the laser is very small, then this position is a good processing focal length, and then we can start processing work. Although auto focus function is quite cool, sometimes you still need to use the manual focus function. The utility model relates to a laser focal length adjustment support. 1. Typical focal lengths will be 1.5", 2", 3" and 4" (38.1 mm, 50.8, 76.2 mm, and 101.6 mm respectively). LX3015E. The distance from the lens to the point at which the laser beam converges is called the focal length of the laser cutter's focal lens. micro adjust of the cutting height can be finished by software to finish; if need large adjustment, need change relative position of the sensor and the bracket to realize focus point adjustment. From the 3" focal length lens it looks like the focus width is at it's narrowest from about 50mm to 38mm. The laser cutting head will be set above it. As an example of changing the spot size and DOF, consider a CO 2 laser beam with a wavelength of 10,600 nm, a 20-mm raw beam diameter, and an M 2 of 2. What is Laser Focal Length? If you are still in doubt during the use of the machine, you can leave a message or call +86-769-26384404, we will be happy to help you! What is the focal length? When the spot of the focus laser is adjusted to be very small, it is very early to set up a spot shot. We generally use F= to represent its focal length. Laser laser engraving on the correct focal length surface is the key factor for the normal performance of the equipment. After the change, the marking depth will be deeper. The focal length is judged by the size of the spot. . Notice though, the focal point is a lot thicker than for the 50mm lens. Continuous light emission test method. LX3015G/LX4020G. This is indeed a way to adjust metal laser cutter fiber laser cutting machine focusing. The closer the lens gets to the laser diode the longer the distance from the lens to the minimal focus is. Put an object under the laser head to adjust the height of the laser head. The fixing plate is arranged in parallel with the adjusting plate; a fulcrum steel ball and two adjusting steel balls are placed at three positions near edges of the fixing . The invention discloses a method and a device for adjusting laser optical-channel focal length. In this issue, we will teach you two ways to adjust the correct focal length, remember it! When doing this work, operator must be very careful,otherwise cutting head is likely to go down and collision, it will lead damage to spare parts. Watch the video If you are still in doubt during the use of the machine, you can leave a message or call +86-769-26384404, we will be happy to help you! Keep in mind that DOF is not just where the beam is smallest (focal waist), but also includes a range just before and after the smallest spot size. Mquina de corte a laser para chapas de metal. At this time, the tool head moves to the center position. For instance, if the focal length of the focusing lens is 127mm, then you should set the focusing lens to about 117mm from the cardboard. LXF3015. You can unscrew the laser head and then adjust the focus by using a triangular rule and you can also control the motorized table up/down to adjust the focus. When a laser beam is emitted from a CO2 laser tube, the laser beam has inconsistent intensity and is too wide to engrave with any precision. For example, the current semiconductor marking machine can be equipped with a 110 field lens, which becomes a 50 field lens. The support comprises a fixing plate, an adjusting plate, supporting rods, springs, adjusting rods, a fulcrum steel ball, and adjusting steel balls. Fifth, try to replace a better field lens or a smaller field lens. The focal length of the focusing lens of the existing small laser engraving machine is 50.8MM and 63.5MM, which is the distance between the focusing lens and the material. Many equipment direct users are confused and misunderstood about how to correctly adjust the focal length of laser marking equipment. 3. For example: F=163; F=254 and so on. Casa; Cortador a laser de fibra. Anyone who has used a laser marking machine or has been in contact with the laser marking machine knows that when using this device, it involves the correct adjustment of the focal plane. You can measure the height of the lower lens with a steel ruler. (2) Put on the goggles, enter the menu: utility > set laser focus > step1: Auto home, and return to zero.
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adjusting laser focal length