44results about How to "Smooth processing surface" patented technology

The present invention relates to laser processing, opto electromechanical technology and image processing technology, and is especially one multifunctional laser cutter with one measurement unit. The multifunctional laser cutter has adjustable laser spot with changeable spot shape and energy distribution for boring, cutting, welding and other functions. It includes one optical system and one signal acquiring, signal processing and controlling device. The optical system includes an He-Ne laser, a CO2 laser, a plane mirror, a beam expanding collimator, a positive rotating prism, a negative rotating prism and a focusing lens; and the signal acquiring, signal processing and controlling device includes a signal acquiring and processing unit, a controller and a feedback circuit.

The invention discloses a titanium alloy ultraprecision machining method based on an ultrasonic elliptical vibration cutting technology. The titanium alloy ultraprecision machining method comprises the following steps: I, adjusting and controlling the temperature, the humidity and the air cleanliness of an ultraprecision machining laboratory; II, performing a pilot run on a machine tool; III, debugging an ultrasonic elliptical vibration cutting system; IV, mounting an ultrasonic elliptical vibration cutting device; V, mounting a titanium alloy material; VI, performing rough cutting; VII, performing semi-finished cutting; VIII, performing finish cutting; IX, performing ultrasonic elliptical vibration assisted cutting; and X, stopping an ultraprecision machine tool and the ultrasonic elliptical vibration cutting system, taking down a titanium alloy workpiece, cleaning the titanium alloy workpiece with absolute ethyl alcohol, performing drying, and then storing the titanium alloy workpiece to obtain an ultraprecision titanium alloy surface machined by the ultrasonic elliptical vibration cutting technology. The ultrasonic elliptical vibration cutting technology is adopted to realize ultraprecision machining of titanium alloy. The titanium alloy ultraprecision machining method has the advantages that abrasion of a cutter can be effectively inhibited, pits and microcracks on a machined surface are inhibited, the surface integrity of the workpiece is improved, and the damage degree of a subsurface of the workpiece can be effectively reduced.

The invention discloses a film sandpaper production method. The method includes the steps of PET (polyester) film treating, primer coating, abrasive embedding, pre-drying, composite adhesive coating, primary drying, curing and anti-clogging coating applying. A PET film treated through corona or chemical coating has strong adhesion. The primer is a bottom layer adhesive composed of polyamine resin, a curing agent and an organic solvent of xylene. A second layer adhesive comprises modified phenolic resin, a coupling agent and a grinding aid, enables abrasive to be firm in adhesion and can obtain good sharpness and cutting polishing capacity. The anti-clogging coating is composed of lubricating filler, an adhesive and an antistatic agent. By means of the film sandpaper production method, sandpaper good in flexibility, not prone to deformation, high in strength, good in anti-clogging effect and flat in machining surface can be produced.

The invention discloses a micro-fine processing system for the surface modification of materials using femto-second laser, comprising a femto-second laser, a micro-light path system, a high-precision three-dimensional working platform and a control system host machine, wherein the femto-second laser acquires an emitted laser beam to focus and irradiate onto processed components on the three-dimensional working platform through the micro-light path system; the micro-light path system comprises a microscope for the observation of processing, a light batch system with a CCD monitor imaging unit,and the three-dimensional working platform is connected with the control system host machine in a control way. The micro-fine processing system uses the femto-second laser as a processing light source to precisely process the surface modification of material through the characteristics of unique ultra-short duration and ultra-strong peak power of the femto-second laser, the cooperation of the optical system and the high-precision three-dimensional working platform and the control of a software program in order to achieve the ultra-precise processing in the sub-micron level for no presence of heat affected zone during the processing and to provide a useful tool for automobile industry, semiconductor, communication industry, and the like needing the high-precision processing.

The invention relates to a turbine blades cleaning and mending technology in maintenance engineering, which comprises the following steps: first, placing turbine blades on sample table and exposing it in strong pulsed ionizing beam; second, radiating the blades for 1-20 times with strong pulsed ionizing beam of 5-60J / cm2 to remove oxide compound; third, radiating the blades for 1-10 times with strong pulsed ionizing beam of 1-5J / cm2 to weld microcrack; forth, rotating blades and cleaning back curved face. Compared with existing technology, the invention doesn't require high-temperature and corrosion-proof equipment and produces product with smooth surface.

The invention discloses an automatic inner bore overlay welding machine head which comprises a lifting screw rod and a welding gun rotating rod, wherein the welding gun rotating rod is arranged in the lifting screw rod in a penetrating manner and can move up and down together with the lifting screw rod; the welding gun rotating rod and the lifting screw rod rotate independently respectively; the welding gun rotating rod is used for connecting with a welding gun. The inner bore overlay welding machine head is capable of realizing full-automatic operation, is applicable to long-time operation, and is flat in finished surface and uniform in processing allowance; according to the inner bore overlay welding machine head, not only can the welding production be improved, but also the welding quality can be ensured.

The invention relates to the technical field of mechanical blades, in particular to a superfine carbide high-alloy tool steel shear-steel splicing mechanical blade which is manufactured by the steps of: firstly, manufacturing superfine carbide high-alloy tool steel shear-steel, wherein the shear-steel comprises the following components in percentage by weight: 0.52-0.62 percent of C, 0.40-0.60 percent of Si, 0.25-0.50 percent of Mn, 5.2-6.2 percent of Cr, 2.20-2.70 percent of W, 1.40-1.70 percent of Mo, 0.40-0.50 percent of V, 0.18-0.30 percent of Co or Ni, less than or equal to 0.015 percentof S, less than or equal to 0.02 percent of P and the balance of Fe; remelting electroslag by adopting an electric induction furnace or the electric induction furnace, forging and rolling at 870-1,100 DEG C; manufacturing a mechanical blade on a low-carbon steel plate by adopting high-temperature non-oxidation pressure rolling and splicing; and finally, annealing, quenching, tempering. The invention improves the yield of semi-finished products of the splicing procedure.