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 relates to silicon single-crystal rod machining equipment and aims to provide full-automatic silicon single-crystal rod rolling and grinding integrated equipment which comprises a long-strip-shaped large bottom frame. Two parallel main guide rails are arranged on the surface of the large bottom frame in the length direction. A grinding work table assembly is movably installed on the two main guide rails, and a main driving motor drives a connecting mechanism so that the grinding work table assembly can move along the main guide rails. Four platforms used for bearing are arranged on the two sides of the large bottom frame and used for bearing a coarse grinding power head assembly, a fine grinding power head assembly, a feeding mechanical hand assembly and a centering mechanical hand assembly correspondingly. A crystal orientation detecting device and a radius detecting unit are further arranged on the large bottom frame. The machining range of the crystal rod rolling and grinding equipment is widened greatly, the machining ability of the crystal rod rolling and grinding equipment is improved greatly, and a silicon bar can be centered automatically; the machining efficiency is improved, and cost of manpower and logistics is saved; long and stable high-precision operation of the equipment can be ensured; and the production noise is remarkably reduced, no organic matter emission is generated, less waste is generated, and the ecological environment is protected.

The invention discloses a large alloy steel part cutting method through a diamond wire saw. Firstly, hanging a large alloy steel part to be cut to a cutting working platform, determining a cutting position of the large alloy steel and making a marker line, then mounting a diamond wire saw, putting the diamond wire saw to the position of the marker line, and adjusting the cutting device to enable the diamond wire saw to be perpendicular to the marker line; secondly, cooling the large alloy steel part with coolant, performing grinding and cutting through closed-loop high-speed rotating of the diamond wire saw; finally, cutting the large alloy steel part to finish cutting. According to the large alloy steel part cutting method through the diamond wire saw, the selected diamond saw is flexible and belongs to high-speed cold machining, not only machining damage and deformation of the large alloy steel part to be cut can be avoided, but also the cutting efficiency and accuracy of the large alloy steel part can be improved, and labor intensity can be effectively reduced.

The invention discloses a foam plate cutting machine. The foam plate cutting machine comprises a workbench with wheels. The wheels are driven through a motor arranged on the workbench. Linkage cutting devices used for evenly cutting a large plate into a plurality of thin plates are arranged on the two sides of the workbench. The cutting devices are provided with wire adjusting devices used for adjusting the number of cutting wires and the distance between the cutting wires. The workbench is further provided with a segmented cutting device used for cutting the thin plates into finished plates in a segmented manner. The foam plate cutting machine further comprises a control device used for controlling the motor, the cutting devices, the wire adjusting devices and the segmented cutting device. The foam plate cutting machine is high in automation degree, wide in machining range and capable of achieving rapid cutting. The cut planes of the cut plates are smooth, the cutting quality is good, the cutting efficiency is high, the cutting process is free of retardation, and environment friendliness is high.

The efficient precise grinding process of titanium alloy workpiece in a conventional apparatus includes the following steps: trimming super high speed resin adhered diamond grinding wheel or ceramic bonder adhered CBN grinding wheel to outer jiggling within 5 micron and sharpening; performing real-time dynamic balancing of the grinding wheel with a dynamic balancing system to unbalance amount within 0.1 micron; and grinding titanium alloy workpiece in the conditions of water-base cooling liquid supplying pressure of 7-9 MPa, grinding wheel grinding rate of 3.3-180 cu mm/mm.s, grinding wheel linear speed of 60-150 m/s, grinding depth of 0.1-1.8 mm and workpiece feeding speed of 1-6 m/min. The present invention has high titanium alloy workpiece grinding efficiency, low cost and high grinding quality.

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 relates to a speed-priority spline real-time interpolation method facing the high-speed processing, which comprises the following steps of: obtaining a speed limit curve, i.e. obtaining the speed limit curve according to a processing error and constraint conditions of the maximum acceleration of each movement shaft in an interpreter of a numerical control system; dividing a processing region, i.e. according to information of a critical speed that processed materials enter the high-speed processing region, dividing the speed processing region and modifying an initial speed curve to obtain a modified speed curve; carrying out backward chaining on the speed curve, i.e. removing speed discontinuous points on the modified speed curve, so that the integral speed curve is continuous; and carrying out real-time interpolation, i.e. according to the speed curve subjected to backward chaining, carrying out interpolation algorithm to complete the speed-priority spline real-time interpolation. The invention provides a time approximation optimal spline curve interpolation method. In the speed-priority spline real-time interpolation method, on the premise of ensuring the stable operation of a machine tool, the maximum acceleration capacity of a single shaft is sufficiently utilized, so that the requirement of the numerical control system on the high-speed processing is met.

The invention provides a point molding method for a full silica gel hemodialysis catheter. The point molding method comprises the following steps that firstly, the silica gel catheter is placed in an airtight container provided with a placement valve allowing liquid nitrogen to be placed, a release valve for releasing the liquid nitrogen and a turnover door allowing entering and going-out of the silicone rubber catheter; secondly, the liquid nitrogen is poured into the airtight container to enable the liquid nitrogen to immerse the silica gel catheter, soaking is conducted for at least one minute, and the silica gel catheter is hardened through cooling of the liquid nitrogen; and thirdly, the liquid nitrogen in the airtight container is quickly released, then the hardened silica gel catheter is taken out from the airtight container, and the hardened silica gel catheter is immediately machined into a silica gel catheter with a point through a chamfering machine. Using the low-temperature freezing effect of the liquid nitrogen, the temperature of a silica gel material reaches -100 DEG C, the silica gel material is hardened, then the hardened silica gel catheter is quickly taken out to be machined , the machined appearance and size are greatly improved, namely, the machining surface is further relatively smooth, and the size is stable.

The invention relates to a cutter handle with a shock absorption function. The cutter handle with the shock absorption function comprises a handle body, a damping block and a clamping head, wherein aninner hole is formed in the handle body and used for holding the damping block and the clamping head. The damping block is arranged at the bottom of the inner hole. The clamping head is arranged on the upper portion of the damping block. Four to six circles of grooves are formed in the surface of the inner hole. Shock absorption devices are arranged in the grooves and surround the periphery of the clamping head. The cutter handle with the shock absorption function is simple in structure, and convenient to use. When stone is machined, shaking or vibration of the surface of the stone is reduced. The damping block and the shock absorption devices convert kinetic energy into potential energy, the vibration amplitude of the milling cutter clamping head is relieved, vibration of a milling cutter is further relieved, and the surface coating of the milling cutter is protected. The machining accuracy of the surface of the stone is improved, and the service life of the coated cutter can also beprolonged.

The invention relates to a carbon steel pipeline forging process. The carbon steel pipeline forging process comprises the following steps: 1) theoretical analysis, drawing a carbon steel pipeline heating curve, the abscissa is the heating time, and the ordinate is the heating temperature; 2) according to the steps 1) The obtained heating curve of the carbon steel pipeline. The carbon steel pipeline is subjected to heat treatment; 3) The heated carbon steel pipeline is subjected to pier thickening and elongation treatment. The invention provides a carbon steel pipeline forging process with high process precision, good surface quality and simple and reliable casting process.

The invention relates to a production process of a soft copper-clad steel wire. The production process of the soft copper-clad steel wire successively comprises the steps of drawing, high-temperature tempering, electro-deposition pretreatment, acid electrolyzation, washing, pretreatment electro-deposition, washing, thick processing electro-deposition, washing, anti-oxidation, drying, drawing, washing, anti-oxidation treatment and ammonia-decomposition high-temperature tempering. The production process of the soft copper-clad steel wire has the advantages that the elongation rate of the copper-clad steel wire is greater than or equal to 10%, which is more than one time of the elongation rate of the copper-clad steel wire produced by a traditional tempering process.

The invention provides a clamp special for a flat turbine head end face. By using the clamp, the clamping positioning of a three-jaw chuck meets a clamping requirement, the machining efficiency is high, a machined surface is smooth, a fracture phenomenon is not easy to cause, and the centre beat of a machined component is low. The clamp special for the flat turbine head end face comprises the three-jaw chuck, a base and a flat turbine, and is characterized in that: the upper part of the base is provided with an open cavity body; the flat turbine is arranged in the cavity body; an end cover is covered on the outer end surface of the cavity body; a centre hole is formed in the end cover; the head end surface of the flat turbine is exposed from the centre hole of the end cover; the outer circumference of a worm wheel of the flat turbine is adhered to the inner end surface of the cavity; and the three-jaw chuck clamps the outer edge surface of the base.

The invention discloses a thermal ball valve resistant to leakage. The thermal ball valve resistant to leakage comprises a sphere. Floating valve seats are connected with the two sides of the sphere.Buffer limiting mechanisms are connected with both the upper end and the lower end of the side, close to the sphere, of each floating valve seat. According to the thermal ball valve resistant to leakage, a valve rod is made of 20Cr13 stainless steel, the valve rod is high in torsional strength and smooth in machined surface, and a lubricating sealing effect is improved; the valve rod is installedfrom the lower part of the interior of a valve rod connecting sleeve, pressure is pushed towards the valve rod by using a thrust washer support made of a low-friction material, and therefore the valverod only plays a role in transmitting torque without generating load; meanwhile, because the valve seats are composed of carbon fiber reinforced polytetrafluoroethylene and springs, self lubrication,friction resistance and resistance to temperature as high as 200 DEG C are achieved; an O-shaped sealing ring is made of VITON fluororubber, and thereby being good in temperature resistance, resistant to friction and high in corrosion resistance; and a first sealing ring is assembled at a low temperature, and thereby being high in adaptive capacity of changes of pressure and temperature, and no leakage is likely to happen within the marked range of pressure and temperature.

The invention discloses an aluminum ingot code marking device. The aluminum ingot code marking device comprises a device body and a workbench. The workbench is arranged on the upper surface of the device body. A lifting platform is arranged on the workbench. A clamping base is arranged on the upper part of the lifting platform. a protection device is welded to one end of the clamping base. A laserhead is arranged at one end of the clamping base and is arranged inside the protection device. Carrying platforms are arranged inside the workbench, at the top end of the workbench and below the laser head. A reserved groove is formed in the surface of the workbench and between the carrying platforms. A clamping device is arranged inside the reserved groove. With the aluminum ingot code marking device, because a large supporting surface can be obtained for large workpieces, and a slope of a silver ingot or some specially shaped workpieces can be clamped, and the device is applicable to different workpieces, a machined surface is smoother; and the laser head can be protected, not only is dust prevented from falling onto the laser head, but also the laser head is prevented from being damaged by collision.

The invention relates to a PCD reamer. The reamer comprises a reamer handle and a reamer body; the reamer handle is of a cylindrical structure, the other end of the reamer handle is fixedly connected with the reamer body, and a groove is formed in the circumferential direction of a connecting portion of the reamer handle; the reamer body comprises a first cutting portion, a second cutting portion and a third cutting portion; the third cutting portion is of a cylindrical structure, a chamfer is arranged at one end, close to the reamer handle, of the third cutting portion, and a plurality of cutting ends are distributed at one end, away from the reamer handle, of the third cutting portion in the circumference at equal angles; the second cutting portion is of a cylindrical structure, and comprises two cutting ends which are symmetrically distributed in the circumferential direction of the second cutting portion; the first cutting portion is composed of two sections of cylindrical portions and is fixedly connected with the second cutting portion, and two cutting ends are symmetrically distributed in the circumferential direction of the first cutting portion; and the three cutting portions are all provided with PCD blades. The blades have the advantages of being high in hardness, good in abrasion resistance, good in shock resistance, high in sharpness degree and the like, machining lines of workpieces can be effectively reduced, and the precision and the effect of finished products are improved.

The invention discloses a frosted painting method for surfaces of automobile aluminum alloy hubs. The method is characterized by comprising the following technological steps of sequentially performingcasting, performing heat treatment, performing mechanical processing and performing burring, and then sequentially performing shot blasting processing, performing pretreatment, performing paint spraying and performing baking. The method disclosed by the invention is reasonable in technology, the processed surfaces are level, the painting quality is excellent, and the rate of qualified products ishigh.

The invention discloses a stamping method for producing precise HDMI (high definition multimedia interface) terminals and relates to a cold stamping die. The invention aims to solve the following problem: pins are easy to bend and even lean against each other during existing interface terminal cold stamping production, thus causing short circuit of terminal products. The stamping method comprises the following steps: (1) blanking: punching preprocessed metal sheets to prepare blanked finished products; (2) forming: bending and forming the punched blanked finished products to prepare the interface terminals; and (3) die releasing: releasing the interface terminals from a stamping die, wherein the blanking step comprises rough cutting blanking and accurate cutting blanking in sequence. The stamping method is especially suitable for producing the precise HDMI terminals.