A laser band-pass filter has a wavelength of 355nm/532nm/633nm/1064nm/10.6 um and is characterized by high damage threshold, high surface quality and high precision.
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Patent Category: Invention Patent Number: .9 Owner: Lanzhou University of Technology Patent Publication Date: 2005.03.09 Product Abstract: Mud pump cylinder liner wall spray device and its method can reduce the complexity of the mud pump cylinder processing process And reduce the rejection rate, improve the service life of the cylinder liner cylinder axis parallel to the guide rail, cylinder liner placed on the carrier wheel on the walkway, the rail mounted on the left end of the grinding mechanism and spraying mechanism, the grinding mechanism includes a grinding wheel shaft mounted on The grinding wheel, transmission, motor and spraying mechanism at the right end of the wheel shaft include a spray gun barrel, a powder canister, a left end of the barrel and a powder canister, an oxygen pipe and an acetylene pipe connection; the cylinder liner is driven by a traveling mechanism to perform linear motion and rotational motion; Cylinder liner wall surface, spray gun to the inner surface of the cylinder liner sprayed alloy powder, and then polished, to the gun through the oxygen and acetylene combustion preheating, preheat while melting, natural cooling, or medium and high frequency The electromagnetic induction coil is inserted into the space of the inner wall of the cylinder liner, energized for welding, and then naturally cooled. Company Name: Lanzhou University of Technology Tel: Fax: