What should I do if I have a problem with the galvanometer of laser marking machine?
A laser scanner, also called a laser galvanometer, consists of an X-Y optical scanning head, an electronic drive amplifier and an optical reflector lens. The signal provided by the computer controller drives the optical scanning head through a drive amplifier circuit, which controls the deflection of the laser beam in the X-Y plane.
In laser presentation systems, the waveform of the optical scan is a vector scan and the scanning speed of the system determines the stability of the laser pattern. In recent years, high speed scanners have been developed with scanning speeds of up to 45,000 dots/second, thus enabling complex laser animations to be presented.
Scanning principle: the scanning pattern is a two-dimensional effect pattern, so the scanning motor using X, Y two motor control, a moment to determine the position of a point, through the scanning frequency to control the position of the point at different moments to achieve the transformation of the entire scanning pattern, the lower the scanning frequency (speed) pattern flicker more obvious, you can use the principle of the film way to understand.
In the encounter laser marking machine marking technology is one of the universal laser processing technology. The principle is to use the laser beam to irradiate the workpiece locally, so that the surface material vaporises or undergoes a colour change, thus leaving a permanent mark. It has been used in many industries such as 3C industry, automotive industry, electronic components, electrical products, IT industry, hardware and tool products. Laser marking machine in the use of the process will encounter problems, laser marking machine vibrating mirror problems how to deal with it?
1.in the marking process, the vibrating mirror does not move, the yellow batch light does not light. This situation may be the driver board did not receive the position data of the control card, this time we just need to check the control card and signal line is correct on it.
2. When starting the vibrating mirror, the green indicator light on the vibrating mirror driver board does not light up. This situation may be that the oscillator driver board is not powered up or the driver board is damaged. At this point we have to check if the power cable has a positive or negative 15 volt voltage and if the connection is correct and firm. If so insert the pins into the correct bit values.
3.When playing BIF, oscillations with a large amplitude and low frequency appear on the starting side of the square. This is possible when playing BIF, from a square jump to another square, the process is a fast empty jump process, if the lens paste loose, in the high-speed jump will make the lens swing significantly, so that the straight line to play out the amplitude of a large fluctuation, as long as the lens sticky can be.
4.laser marking machine in the process of marking products no matter what graphic markings, marking machine always play 45 degrees of the slant line. The main reason for this situation may be that there is an X-axis and Y-axis selection pins on the drive plate, when the two axes of the drive plate pins are selected on the same axis, the two axes of the same speed of movement, according to the principle of speed synthesis, when the X-axis and Y-axis have the same speed, their synthetic speed direction of 45 degrees, so the laser marking machine marking is always playing 45 degrees of the diagonal line.
