the pulse energy, can refer to a single pulse output energy, the unit is J (
The joule)
。
Power of a certain case, a single pulse energy is higher, the lower the emission frequency.
Pulse of energy is one of the main parameters, it determines the device can produce energy.
2, focusing spot diameter
light spot focus diameter is the performance of the reactor design an extremely important parameters, the unit is mm (
Mm)
It decided to power density and processing range.
If the optical design reasonable, advanced energy focus, focus accurately, can control the light spot diameter in 0.
2mm-
1.
The range of 5 mm, and can control the focus diameter 0.
2 mm is a strict test of generator.
3, pulse frequency
the frequency of the pulse reactor is the ability of how many pulses in a second internal energy, unit is the Hertz (
Hz)
。
Metal welding, for example, the weld metal is the use of energy, and in the case of constant power, the higher the frequency, the smaller each output energy is, therefore, we need to ensure enough energy under the condition of molten metal, consider the speed of processing, to determine the output frequency.
In south China university of technology production of optical fiber transmitting welding machine as an example, the pulse frequency is 1 -
-
100 hz grading is adjustable, can fully meet the precision welding of different materials, different shape mold processing, the solder joint is smooth and beautiful, smooth weld pore-free, weld strength and toughness at least equivalent to or even more than the base metal.
4, feedback control method, the choice of power waveform
when choosing power waveform, in general, under the condition of the same input energy, pulse width, the width, the bigger the welding spot;
The higher power waveform peak power, the deeper the welding spot.
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