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380results about How to "Flexible processing" patented technology

Energy dissipation type buckling constraint support with symmetrical initial imperfection unit at end

The invention discloses an energy dissipation type buckling constraint support with a symmetrical initial imperfection unit at the end. The energy dissipation type buckling constraint support is characterized in that the support is composed of an end constraint segment, an energy dissipation segment and a support straight segment; and the two ends are connected with beams or column components or nodes to form a whole through bolt connection so as to achieve the purpose of improving of the resistant-lateral rigidity of components. The energy dissipation type buckling constraint support with the symmetrical initial imperfection unit at the end is adopted, and thus under the action of a small earthquake, the buckling constraint support keeps elasticity; and under the action of a medium earthquake or a severe earthquake, the buckling constraint support enters a yield stage, and the effect of a damper can further be achieved through the good hysteretic energy dissipation performance of the buckling constraint support. Compared with traditional buckling constraint supports, according to a manufacturing technology of the energy dissipation type buckling constraint support, the processes of adding a sleeve outside a core energy dissipation component, grouting and the like in the traditional manufacturing process are avoided in the manufacturing technology, so that manufacturing is convenient. The energy dissipation type buckling constraint support can be prefabricated and formed in a factory, the quality of the components is ensured, the workload of site operation is reduced, and energy conservation and environment protection are achieved.
Owner:SOUTHEAST UNIV

Addition and reduction material composite machining center

The invention discloses an addition and reduction material composite machining center which comprises a five-axis reduction material machining center and a laser addition material printing device. The five-axis reduction material machining center comprises a base, a bed body arranged on the rear portion on the top face of the base, a saddle erected on the bed body through a guide rail, a sliding pillow erected on the saddle through the guide rail, a main shaft box erected on the front side of the sliding pillow through the guide rail, a main shaft arranged in the main shaft box, and a tool magazine arranged on the left side face of the main shaft box. A clamping table is arranged between the front side of the bed body and the portion above the base. The clamping table is provided with a revolution shaft C. The clamping table is movably connected with the front side face of the bed body through a revolution shaft B. The laser addition material printing device comprises a laser printing head movably erected on the bed body. The laser printing head is connected with the bed body through an installing module which can be controlled to move and controlled to be disassembled. A clamping handle matched with the main shaft is arranged on the top of the laser printing head. Dual use of one machine is achieved, the space coordinate system of one position degree is shared, errors of the position degree are small, machining is flexible, machining quality is good, and efficiency is high.
Owner:HAIXI (FUJIAN) INST CHINA ACAD OF MASCH SCI&TECH GRP

Gantry type rough and finish composite five-axis precision machine tool and processing method thereof

The invention relates to a gantry type rough and finish composite five-axis precision machine tool and a processing method thereof and belongs to the field of precision machine tools. A rack is horizontally arranged; an X-Y feeding component is installed on the rack; a two-axis turntable component is installed on the X-Y feeding component through a Y-direction sliding plate; a sharp knife processing component and a fast removing component are installed on the two sides of a middle cross beam in a gantry shape through a guide rail seat and a vertical plate respectively; and a detector is installed on a sliding plate of the sharp knife processing component. The gantry type rough and finish composite five-axis precision machine tool has the characteristics of high processing efficiency and processing precision and can meet the processing precision requirement for rough milling semi-finish milling; by adopting a five-axis linkage processing method, multi-angle flexible processing can be realized, and the processing process from a blank to a finished product can be completed at one time; as a two-axis turntable is compact in structure, high in rotation precision and good in rapid response characteristic, the gantry type rough and finish composite five-axis precision machine tool has better use reliability; and with three-direction rotation and one sharp knife feeding system moving in a longitudinal feeding direction, multi-dimensional adjustment of a milling cutter processing angle is realized.
Owner:JILIN UNIV

Pneumatic numerical control shot blasting strengthen machine

The invention discloses a numerical control shot peening strengthening machine; the shot peening chamber of the numerical control shot peening strengthening machine is provided with a numerical control rotating working platform which is controlled by CNC and is provided with two freedoms with C-direction rotation and Y-direction moving; a numerical control mechanical arm which is provided with four freedoms of B and C-direction rotation as well as X and Y-direction moving. A workpiece is clamped on the working platform; an outer wall lance is clamped by the numerical control mechanical arm to carry out shot peening strengthening on the outer surface of the workpiece. The Z-direction trailing bar of the moving mechanism of the numerical control mechanical arm is vertically provided with a dismountable inner hole lance which can carry out shot peening strengthening on the surface of the inner hole of the workpiece. Aiming at the programming processing procedure of different parts, the invention can carry out accurate and uniform shot peening strengthening processing on each shape of surface thereof. Compared with the prior art, the numerical control shot peening strengthening machine of the invention has high automatization degree and can realize precious control on the position and the angle as well as the moving speed of a spot flow and the flux of the spot. The numerical control shot peening strengthening machine of the invention solves the defect that the shot peening strengthening on the parts with complex surface shapes can not preciously control the distance between a lance and the surface of the part, the spot angle as well as the flow and the speed of the spot.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Production method of paper RFID hot stamping label

The invention belongs to the technical field of information, and in particular relates to a production method of a paper RFID hot stamping label. A paper substrate is used as an antenna substrate, wherein variable or invariable barcode information or a LOGO pattern is printed on one side of the antenna substrate, the other side of the antenna substrate is subjected to alignment printing to form an electronic label antenna surface, and then the electronic label antenna surface is compounded and compacted with a PET film coated with an isolation layer to obtain an antenna; a chip is bound to the compounded antenna to be manufactured into an electronic label inlay layer; an adhesive film is coated on an inlay surface bound with the chip; then the hot stamping electronic label is cut into a single label or single-row labels by a positioning die, and the single label or the single-row labels are rolled up to obtain a product. The production method of the paper RFID hot stamping label disclosed by the invention realizes a dual-information safety guarantee of visual information and electronic label information, and is environment-friendly and pollution-free, and the prepared electronic label has non-transferability, high anti-counterfeiting strength, fast hot stamping speed and high efficiency.
Owner:SHANDONG TAIBAO PREVENTING COUNTERFEIT

Processing crafts and tools of serrated lock washers external teeth

The invention discloses processing crafts and tools of serrated lock washers external teeth. According to the tools, a middle guide pillar mould base is adopted, and forming of parts is achieved by utilizing a manner that mold inserts provided with sawteeth are pressed mutually, wherein the mold inserts are arranged on end heads of an upper mold and a lower mold. In the process of machining of serrated lock washers external teeth part products, once tooth-pressing forming of the part products can meet the requirements of size and a performance test, and technological process is optimized by utilizing the crafts and the tools. And quality of the products machined by the crafts is guaranteed, and part-taking process is very convenient. The tools are simple in structure, flexible in machining method, accurate and reliable in positioning, and high in production efficiency, and the parts are convenient to assemble and disassemble. Guiding functions and valve of use for reference can also be provided for those internal serrated washer products which are large in types and varieties and specifications, small in batch and short in production cycle. And new product development of other similar structures can also be enlightened, and the processing crafts and the tools of the serrated lock washers external teeth are worthy of being popularized.
Owner:GUIZHOU AEROSPACE PRECISION PRODS

Method for machining narrow groove system impeller, grinding head and preparation method of grinding head

The invention provides a method for machining a narrow groove system impeller, a grinding head and a preparation method of the grinding head. The grinding head is a cylinder. The top end of the grinding head is in the shape of a spherical surface, and a spiral groove is formed in the side wall of the grinding head. The preparation method includes the steps that materials for use are calculated; ingredients are weighed; wetting and material mixing are performed; pressing of grinding head sand blocks is performed; drying is performed; the firing link is performed; and the grinding head sand blocks which are qualified through checking are selected and enter an adhesion processing procedure of a cutter handle, the cutter handle is bonded, after adhesives are cured and stabilized, laser dressing is performed, grooving is performed, and acceptance check of the grinding head is performed, and therefore preparation of the grinding head is completed. The method for machining the narrow groove system impeller through the grinding head includes the steps that fluttering stability analysis is performed, and a stable lobe graph of a grinding system is established; the technological parameter selecting range of stable grinding is determined; and technological parameters of stable grinding are selected, and the grinding head is installed for grinding machining. By means of the grinding head, the grinding temperature is effectively lowered, the adhesion and abrasion effects of cuttings on the grinding head are reduced, the machining surface burning problem is reduced, and better machining surface quality is acquired.
Owner:NORTHEASTERN UNIV

Moisture-conducting quick-drying weft-knitted fabric and processing technology thereof

The invention provides a moisture-conducting quick-drying weft-knitted fabric. The fabric can solve the problems that an existing moisture-conducting quick-drying fabric is not washable when treated with a functional additive, is not resistant to high temperature when water-repellent fibers serve as the inner layer, and is expensive and not easy to process when waterproof yarn serves as the inner layer. A grey fabric of the fabric is formed through weft knitting of at least two kinds of yarn different in DPF, wherein the looping area of the yarn, with the minimum DPF, in the at least two kinds of yarn different in DPF on the front side of the grey fabric accounts for 60-100% of the total area of the front side; the looping area or the floating thread area of the yarn, with the maximum DPF, in the at least two kinds of yarn different in DPF on the reverse side of the grey fabric accounts for 60-100% of the total area of the reverse side; the DPF value of the yarn with the maximum DPF is at least 0.3 larger than that of the yarn with the minimum DPF. The invention provides a processing technology of the moisture-conducting quick-drying weft-knitted fabric. The technology comprises the following steps of grey cloth weaving, pre-treatment, dyeing, reduction washing, high-temperature setting, reduction washing and finished product shaping.
Owner:WUXI HANUO TEXTILE TECH

Magneto-rheological polishing device and polishing method for dynamic magnetic field

The invention relates to the technical field of ultraprecision machining, in particular to a magneto-rheological polishing device and polishing method for a dynamic magnetic field. The magneto-rheological polishing device for the dynamic magnetic field comprises a base, a polishing disk, a dynamic magnetic field generation assembly, a workpiece clamping assembly, an ultrasonic assembly, a first driving assembly and a second driving assembly, wherein the workpiece clamping assembly is mounted on the base and is arranged above the polishing disc, the polishing disc is connected to the first driving assembly, the dynamic magnetic field generation assembly is connected to the second driving assembly and is arranged below the polishing disc, the first driving assembly and the second driving assembly are mounted on the base, the ultrasonic assembly is mounted on the lateral part of the polishing disc, and a magneto-rheological polishing solution is contained in the polishing disc. A magneticchain string is rearranged by means of the dynamic magnetic field, so that a grinding material is updated and self-sharpened. A chemical reaction is fuller by means of an ultrasonic assistant chemical reaction. As a clamping disc revolves and rotates, a workpiece is in full contact with the magneto-rheological polishing solution, so that the polishing efficiency is improved.
Owner:GUANGDONG UNIV OF TECH

Pattern block air hole drilling machine

The invention discloses a pattern block air hole drilling machine. The drilling machine comprises a machine frame, wherein a base is arranged above the machine frame, a small base is arranged above the base and located at the right side, and a rail is arranged above the base and located at the left side; a sliding block is arranged on the upper side of the rail, a fixing mechanism is arranged above the small base, and a rotary mechanism is arranged at the right side of the fixing mechanism; a Y-axis hand wheel is connected to the rotary mechanism, an X-axis lead screw is arranged at the right side of the small base, and an X-axis hand wheel is connected to the X-axis lead screw; a stand column is arranged on the upper side of the sliding block, a lifting lead screw is arranged at the right side of the stand column, and a Z-axis hand wheel is connected to the top end of the lifting lead screw; a lifting sleeve is connected to the lifting lead screw and the stand column in a chained mode, a locking bolt is arranged at the left side of the lifting sleeve, and a cross beam is arranged at the right side of the lifting sleeve; a spindle mechanism is connected to the right side of the cross beam, and a spindle penetrates through the center of the spindle mechanism. The drilling machine has the beneficial effects that machining is flexible, the requirement for drilling in different directions can be met, clamping is convenient, and due to the fact that a rotary mechanism is used for adjusting a workpiece, repeated fixation and calibration are not needed and working efficiency is improved.
Owner:ZHUCHENG ZHIXIN MOLD EQUIP

Externally-clamping type full-automatic pipe cutting machine

The invention relates to the technical field of pipe cutting machines, in particular to an externally-clamping type full-automatic pipe cutting machine. A rotary rotating cylinder is arranged in a fixing sleeve. A rack is provided with a first drive mechanism used for driving the rotating cylinder to rotate. A rotating disc is fixed to the front end of the rotating cylinder. The rotating disc is provided with at least three clamping claw devices uniformly arranged in a ring shape. Each clamping claw device comprises an installing plate fixed to the rotating disc, a radial moving claw movably arranged on the installing plate, a lead screw connected with the radial moving claw, and a tensioning gear fixed to the outer end of the lead screw. The rotating cylinder is provided with a second drive mechanism used for driving the tensioning gears to rotate. Each radial moving claw is provided with a rolling sleeve. In the machining process, a workpiece can be moved front and back, and therefore the workpiece can follow rotation of the rotating cylinder and is fed and propelled conveniently, a plasma cutting part located on one side of the fixing sleeve is located to the place where cutting is needed through flexible moving of a supporting arm, and the externally-clamping type full-automatic pipe cutting machine can clamp and flexibly machine long-strip-shaped workpieces with triangular or rectangular sections, improves production efficiency and production quality and is very practical.
Owner:东莞友联钣金科技有限公司

Focal spot-and-focal depth-variable Bessel beam laser processing system and method

The invention belongs to the field of laser precision manufacturing and to a focal spot-and-focal depth-variable Bessel beam laser processing system and method and aims to solve the problem that an existing Bessel beam laser processing system cannot be suitable for processing different hole patterns and material thicknesses. The system comprises a laser, a beam expander, a diaphragm, a wave plate,a zoom lens, a positive axis pyramid and a lens, wherein the beam expander, the diaphragm, the wave plate, the zoom lens, the positive axis pyramid and the lens are sequentially arranged in the emergent light path of the laser; a light beam emitted from the laser is expanded and homogenized by the beam expander; the laser beam enters the diaphragm to be subjected to stray light filtering; after the filter laser beam reaches the wave plate and then enters the zoom lens, the focal length of the zoom lens and the distance between the zoom lens and the positive axis pyramid are adjusted, so thatthe focal spot and focal depth of the generated Bessel beam can be changed, and therefore, a required processing light beam is obtained; the light beam acts on the surface of a workpiece after being focused by the lens. By means of the system, the focal spot and focal depth changes of the processing Bessel beam can be realized, the multi-purpose processing of large-depth-diameter-ratio micropores,transparent materials and the like is achieved, and guarantees are provided for high-precision micropore pattern manufacturing, high-quality transparent material cutting and the like.
Owner:XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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