11788results about How to "Won't hurt" patented technology

The invention relates to an anti-skid cartridge with different staple heights. The anti-skid cartridge is used for surgical staplers and especially used with tubular staplers, intracavity cutting staplers, linear staplers and linear cutting staplers. The anti-skid cartridge comprises an arc tissue contact face, staple slots and suture staples. The arc tissue contact face is provided with the staple slots; the suture staples unequal in height are disposed in the staple slots. The arc tissue contact face is further provided with a plurality of tissue anti-skid projections. The anti-skid cartridge is provided with a cutting path. Cartridge positioning fasteners are arranged on two sides of a cartridge body; spring snap sheet cavities are arranged in the near end of the cartridge body.

The invention relates to an intelligent instrument for measuring the tissue thickness. The intelligent instrument comprises a button cell type intelligent thickness measuring clip or an external power supply type intelligent thickness measuring clip, a linear incision anastomat or a manual thickness measuring instrument or an automatic thickness measuring instrument, and a staple anvil. The button cell type intelligent thickness measuring clip comprises an outer shell, a pressing key, waterproof soft glass, an integrated circuit board and a bottom cover. The waterproof soft glass is arranged between the pressing key and the integrated circuit board and covers the surface of the pressing key. A button cell, a power module, a display module, a tissue pressure intensity measuring module, a tissue thickness measuring module, a control module and a wireless transmission module are mounted on the back face of the integrated circuit board. An eddy-current transducer and a pressure sensor are mounted on the front face of the integrated circuit board. The button cell type intelligent thickness measuring clip is matched with a wireless transmission device. The intelligent instrument for measuring the tissue thickness has the advantages that the tissue thickness can be measured in a quantitative mode, tissue thickness measurement is accurate, corresponding anastomotic staple cartridges can be selected conveniently, and the success rate of anastomotic surgery is increased.

The invention provides a distal end cover for an endoscope, an endoscope using the distal end cover and a detach method of the distal end cover from the endoscope by tearing and destroying the distal end cover without damaging a soft member constituting an insertion part and to prevent falling during use. The endoscope 1 has the distal end cover 5 including a cover body part for covering at least a part of the outer peripheral part of the hard distal end part body 4A on the distal end side of the insertion part 2 and an opening 5a for inserting the distal end part body 4A. The distal end cover 5 has a finger hooking part 5A provided at the cover body part, a thin part 14 and a recessed groove 14a as a plastic deformation part arranged near the finger hooking part 5A and formed along the prescribed direction of the cover body, and first to third locking parts 15-17 provided on the inner peripheral surface side of the plastic deformation part for locking the distal end part body 4A.

The invention discloses an exoskeletal rehabilitation robot for upper limbs. The exoskeletal rehabilitation robot comprises a base, two mechanical arm assemblies and six motor driving components, wherein the base comprises a moving base, an electrical cabinet, an electric lifting post, a base platform, a motor mounting corner bracket, a base rotating motor, a coupling, a base main bearing block, a base and ball screw nut assembly, a base nut seat, a base shared secondary bearing block, a right support, a base linear guide rail assembly and a left support; the mechanical arm assembly comprises a mechanical shoulder girdle assembly, a mechanical shoulder joint assembly, a mechanical elbow joint assembly, a mechanical front arm assembly, a mechanical wrist joint assembly and a mechanical hand part assembly; each motor driving assembly comprises a motor and speed reducing component, a torque sensor component and a driving component which are respectively arranged on the same motor driving base frame. The exoskeletal rehabilitation robot can be worn on the upper limbs of the human body and can be used for assisting the upper limbs of the human body in moving in a three-dimensional space and performing rehabilitation training.

The invention discloses a method for quickly measuring a blade of a large-sized water turbine, which is characterized by comprising the following steps: firstly, sticking a mark point to the surface of the blade, then shooting a group of photos from different angles as measured primary data, and inputting the data to a computer to carry out analytic processing; by carrying out image detection for the group of photos in a measurement software, identifying the mark point in each photo and positioning the center of the mark point, and matching the mark points with the same name; finally, reconstructing a three-dimensional coordinate of corresponding object points according to a plurality of two-dimensional coordinates of the mark points, fitting a sparse framework model of a target by the reconstructed three-dimensional mark points, then scanning the surface of the blade block by block by using a binocular grating scanning method to acquire a local dense point cloud, and aligning the dense point cloud to an overall coordinate system according to the local mark points to acquire a dense point model of the blade; and by comparing the dense point model with a CAD designed model after aligning, calculating a three-dimensional processing error of the surface of a workpiece.

The invention discloses a method for manufacturing a flexible display. The method comprises the following steps of: forming a silicon sacrificial layer on a rigid substrate, and attaching a flexible substrate to the silicon sacrificial layer through an adhesive layer; manufacturing a display element layer on the flexible substrate; and etching the silicon sacrificial layer under normal temperature conditions by utilizing fluorine-containing corrosive gas so as to gasify the silicon sacrificial layer, so that the flexible substrate is separated from the rigid substrate. The method for manufacturing the flexible display is simple in process, the problems of unclean stripping and stripping damage can be effectively solved, and manufacture of a high-quality flexible display is facilitated. The invention also relates to a substrate for manufacturing the flexible display.

The invention relates to an intelligent instrument for measuring the tissue thickness. The intelligent instrument comprises a button cell type intelligent thickness measuring clip or an external power supply type intelligent thickness measuring clip, a linear incision anastomat or a manual thickness measuring instrument or an automatic thickness measuring instrument, and a staple anvil. The button cell type intelligent thickness measuring clip comprises an outer shell, a pressing key, waterproof soft glass, an integrated circuit board and a bottom cover. The waterproof soft glass is arranged between the pressing key and the integrated circuit board and covers the surface of the pressing key. A button cell, a power module, a display module, a tissue pressure intensity measuring module, a tissue thickness measuring module, a control module and a wireless transmission module are mounted on the back face of the integrated circuit board. An eddy-current transducer and a pressure sensor are mounted on the front face of the integrated circuit board. The button cell type intelligent thickness measuring clip is matched with a wireless transmission device. The intelligent instrument for measuring the tissue thickness has the advantages that the tissue thickness can be measured in a quantitative mode, tissue thickness measurement is accurate, corresponding anastomotic staple cartridges can be selected conveniently, and the success rate of anastomotic surgery is increased.

The invention provides an intelligent photovoltaic array washing car used for washing photovoltaic arrays of a large-scale ground photovoltaic power station. A washing head supporting and locating unit and a power unit are arranged on the head portion and the tail portion of a crawler base respectively, a water storage unit is arranged adjacent to the power unit, and a washing head unit is provided with range finder sensors used for measuring the distance between the washing head unit and solar cell panels; the washing head supporting and locating unit comprises a movable base capable of rotating and transversely moving and a working arm set provided with a main arm and an end arm, wherein the main arm and the end arm can pitch respectively; a water pump of a water supply unit is driven by a hydraulic motor; a computer is used as a control kernel of a main control module of an operation control unit; a pair of proportional directional valves of the hydraulic control unit controls two base crawler traveling motors, and other directional valves are electromagnetic directional valves controlled by the main control module. According to the intelligent photovoltaic array washing car, the position and the posture of the washing head unit relative to photovoltaic array panels and the position and the posture of a car body relative to the photovoltaic arrays can be automatically controlled, and the intelligent photovoltaic array washing car is intelligent, efficient, flexible in operation, high in adaptability, easy and convenient to operate, concise in structure and good in washing effect.

The invention belongs to storage and transportation equipment for detonating materials (detonators), in particular to an anti-explosion container. The anti-explosion container includes an upper cover, a cylinder and a fixed bracket. It is characterized in that the cylinder is composed of an outer cylinder and an inner cylinder, wherein the outer cylinder is a cylinder with an open upper end and a closed lower end. The lower part of the inner cylinder is provided with a lower wave breaking plate. , the upper cover is composed of a top cover plate and a cover wall, wherein the lower end of the cover wall is provided with an upper wave dissipation plate, the cover wall and the upper port of the outer cylinder are connected by splines, and the top cover plate is provided with explosion-venting bolts. The invention can not only ensure safety when the detonating equipment and explosives are transported in the same vehicle, but also can seal the harmful gas generated by the explosion in the container in case of an explosion in the container, and discharge the harmful gas after it is transported to a suitable place. In order to avoid polluting the environment and causing casualties and damage to surrounding personnel and facilities. It has the advantages of flexible and convenient opening and closing, large loading capacity, long service life, and good anti-explosion and explosion-proof performance.

The invention relates to a projection type billiard hitting intelligent auxiliary system and method. The projection type billiard hitting intelligent auxiliary system comprises an image collecting device, a projection device and a computer, the signal output end of the image collecting device is connected to the input end of the computer, the input end of the projection device is connected with the output end of the computer and controlled by the computer, and a hollow billiard lighting lamp and an infrared light supplementation lamp are further arranged. The method includes the steps that a billiard environmental model is built in the computer; when billiards are static, images of the billiards on a billiard table are captured, and coordinates of the billiards are obtained; when a user bends over to enable a billiard rod to be aligned with a cue ball, the coordinates of the two end points of the billiard rod and the hitting directions are captured in real time, and the first billiard which a rod head of the billiard rod points to serves as the cue ball; according to the coordinates of the billiards, to-be-operated tracks of the cue ball and the other billiards are calculated in cooperation with the preset billiard rod hitting force and the preset included angles between the hitting points and the horizontal direction of the billiard rod; the to-be-operated tracks of the cue ball and the other billiards are projected to the billiard table. By means of the projection type billiard hitting intelligent auxiliary system and method, when the user uses the billiard rod for aligning, the aligning line and the operation tracks of the billiards can be drawn on the billiard table in a projection mode in real time for assisting hitting by the user, and the projection type billiard hitting intelligent auxiliary system and method are convenient to use and visual.

The invention discloses a refreshing cigarette holder and atomizer assembly for a disposable electronic cigarette. The refreshing cigarette holder and atomizer assembly comprises a cigarette holder shell, wherein one end of the cigarette holder shell is provided with an air suction hole, and the other end of the cigarette holder shell is connected with an atomizer by a connection pair; the atomizer is connected with a puncture needle tube by a fluid guiding frame; a central air vent is formed in the atomizer; a baffle ring is arranged at the periphery of the side wall of one end, which is close to the atomizer, of the cigarette holder shell and is connected with the side wall of the cigarette holder shell by an easily-torn part; an easily-punctured sealing container is arranged in the cigarette holder shell; and an air passage is formed between the easily-punctured sealing container and the inner wall of the cigarette holder shell, and is communicated with the central air vent and an air suction hole. Before the refreshing cigarette holder and atomizer assembly is used by users, smoke fluid is in the sealing state to avoid volatilization, so the quality guarantee period of a cigarette holder can be prolonged effectively; and before the refreshing cigarette holder and atomizer assembly is used by the users, the smoke fluid does not contact parts such as a heating wire of the atomizer, chemical sponge and fibers for guiding fluid and the like, so pollution is avoided, the smoke fluid does not generate harmful substances after being heated, and human bodies can be prevented from being injured.

The invention relates to a lining-reinforced hollow fiber membrane tube as well as a preparation device and preparation method thereof, belonging to the field of preparation of polymer hollow fiber microporous membranes. In the membrane tube, a film forming chimney is designed reasonably, a coating layer on a braided tube led from a coating machine is subjected to controllable steam diffusion-induced phase inversion firstly, and then enters a coagulating bath, so that an open-pore surface skin layer with high porosity is formed on a film separation layer, and the radial direction of the membrane layer is in an integral asymmetric and interpenetrating cell-shaped structure; a composite material is selected to prepare a transition layer, so that the transition layer has excellent adhesive force and hardness, excellent compatibility with a surface separation layer and tiny cubical contraction in a phase conversion process at the same time; optimized braided tube size and braiding densityare selected to ensure that the braided tube has lower flexibility; and a method capable of maintaining reasonable roundness and the like in the production process ensures that the lining polyvinylidene fluoride (PVDF) hollow ultrafiltration membrane tube has the advantages of integral asymmetric structure with high integrity, high-porosity surface separation layer, higher back pressure enduring capability and the like.

The invention relates to a thermal barrier coating part electromagnetic eddy current thermal imaging non-destructive detection system and a detection method thereof. The detection system comprises an electromagnetic heating device connected with a thermal barrier coating part requiring detection, an infrared thermal imager, and a computer connected with the infrared thermal imager. The detection method comprises that: a conductor coil of the electromagnetic heating device is wound on a thermal barrier coating part requiring detection, the conductor coil is connected with a power supply system, the infrared thermal imager is adopted to carry out infrared image acquisition on a coating surface temperature field of the thermal barrier coating part requiring detection, the acquired image is input into the computer, and computer processing is performed to finally obtain the detection result. According to the present invention, electromagnetic induction is adopted to heat a high temperature alloy substrate, and the ceramic coating surface temperature field is monitored to obtain defect distribution; heat generated by eddy current is uniformly distributed, the detection result has high accuracy, and errors due to different heat flow injection directions are avoided; the detection process does not cause damage on the thermal barrier coating part requiring detection; and detection speed is rapid, efficiency is high, operation is convenient, and cost is low.

The invention relates to a detection sorting device for steel balls The detection sorting device comprises a rack, a feed mechanism, an unfolding mechanism, a stock stop, a detecting mechanism, a sorting mechanism and a material collecting mechanism, wherein the feed mechanism comprises a material storing box, a material discharging hopper and a material discharging pipe; the unfolding mechanism comprises a material transporting guide rail, the material transporting guide rail is a V-shaped linear guide rail, the material discharging hopper is connected with an initiating end of the material transporting guide rail through the material discharging pipe, and the detecting mechanism comprises a light source assembly and a camera assembly; the light source assembly is arranged on the material transporting guide rail in a sleeved mode, the sorting mechanism and the material collecting mechanism are arranged on the tail end of the material transporting guide rail, and the separate collection of defect steel balls and qualified steel balls are realized through the sorting mechanism and the material collecting mechanism. The detection sorting device provided by the invention has the advantages that the automatic feed, detection and sorting of the steel balls are realized, a detection process is that two-dimensional motion of a traditional unfolding disc is changed into single one-dimensional rolling of one-sided steel balls, the detection efficiency is high, a false drop ratio and an omission ratio are low, and the steel balls are not magnetized or the surfaces of the steel balls are not damaged in a detection process.

The invention relates to a preparation method for magnetic nano biological microspheres for remedying soil polluted by organic chloride durably. The preparation method comprises the following steps of: (1) preparing nano Fe3O4 particles with the surfaces adsorbing amino by a coprecipitation method; (2) dissolving chitosan into an acetic acid solution to form a homogeneous transparent colloidal solution, and mixing and stirring the solution and the nano Fe3O4 particles to obtain the magnetic nano-particles; (3) adding the prepared magnetic nano-particles into a buffering solution of citric acid and performing ultrasonic dispersion to obtain magnetic fluid; and (4) adding the magnetic fluid into a bacterial solution, adding cross-linked fluid dropwise, performing adsorption-cross-linking, and performing solid liquid separation under the action of an external magnetic field to obtain the magnetic nano biological microspheres. The method is quick, simple, convenient and low in cost. The prepared magnetic nano biological microspheres have the characteristics of homogenous shape, large specific surface area, high microbial activity and the like and are applicable to degradation of organic chloride pollutant and in-situ remediation of polluted soil.

The invention discloses an on-line automobile aluminium alloy hub blank deformation measurement method and a measurement device which relate to the field of automated measurement. The measurement device comprises a test table, a pneumatic clamping mechanism, an air cylinder lifting mechanism, a hub-rotating mechanism, two laser sensors, a motion control module, an industrial personal computer for storing and processing data, and data processing software. By scanning a hub blank in all directions, the measurement device can simultaneously measure the wheel rim deformation and the center axial deformation of the hub blank, thus achieving the effects of high measurement accuracy, more measurement points, high speed and high reliability, automatically measuring the hub blank on line, and increasing the production efficiency of enterprises. The process of measurement is automatic, measurement can be adapted to harsh environments, and cannot be affected by vibration, smoke or humidity, the total measurement time is 30 seconds, the measurement precision is 0.02mm, and the actual demand on measurement can be satisfied.

The embodiment of the invention provides an oil return control method and device of a variable frequency air conditioner compressor, and relates to the technical field of variable frequency air conditioners. The oil return control method and device are used for solving the problem that when a fixed oil return frequency is adopted for carrying out oil return control over the variable frequency air conditioner compressor, the compressor is damaged. The method comprises the steps that a first running frequency of the compressor is acquired; the temperature of the outdoor temperature where the compressor is located is acquired; the oil return frequency of the compressor is determined according to the temperature of the outdoor temperature and a first preset rule, wherein the first preset rule comprises the corresponding relationship between the temperature of the outdoor environment and the oil return frequency of the compressor; and the first running frequency of the compressor is adjusted to be the oil return frequency. The oil return control method and device can be used for oil return control over the variable frequency air conditioners.

The invention relates the chemical engineering field, especially a H2 and CO2 inhibiter. H2 and CO2 are produced accompany to oil-gas field exploitation and transfusion process, and can corrode exploitation equipment. The inhibiter contains at least (by wt. %): isopropyl alcohol 10-30, fatty alcohol polyoxyethylene ether .1-0.5, and litol polyoxyethylene ether 0.1- 1.0. The inhibiter can be used in oil / water well with high temperature and pressure, and has the advantages of good corrosion resistance, low consumption, low cost and high efficiency.

A wheel-trap involuntary stop device for motor vehicle letting the motor vehicles stop themselves; the wheel trap is composed of an idler wheel array which is composed of several idler wheels which can roll at original positions in the wheel trap groove; the wheel trap groove is provided with a wheel trap cover plate which is on the plane bearing slide rail; and the cover plate can move forward and backward easily; the cover plate is provided with speed reducing wales which can reduce the wheel speed; the front end of the cover plate is connected by a cable rope and a windlass; the windlass is set in the machine groove on which there is a cover flat with the road. The invention can let the motor vehicles stop themselves; the inevntion is safe and dependable; and the vehicle and stop device will not be damaged; the efficiency of involuntary stop and relieve of involuntary stop is very high; the operation is easy and the energy consumption is low.

The invention discloses a non-contact three-dimensional optical measuring head and a non-contact three-dimensional optical measuring method for in-situ measurement of a numerical control machine, which are characterized in that: the non-contact three-dimensional optical measuring head consists of an image measuring system and a focus positioning system. The non-contact three-dimensional optical measuring method comprises the following steps of: firstly, making a focus judgment on the image measuring system by using an astigmatism method, determining a measuring plane, positioning the non-contact three-dimensional optical measuring head in a Z-axis direction at the same time and acquiring a Z-axis direction positioning value of a surface characteristic point of a workpiece; secondly, performing two-dimensional image measurement on basic geometric elements, of the workpiece, on the measuring plane by using a surface measuring method in image projection measurement to obtain two-dimensional plane coordinate values of the surface characteristic point of the workpiece; and finally, combining the two-dimensional plane coordinate values with the Z-axis direction positioning value to obtain the three-dimensional coordinate values of the surface characteristic point of the workpiece. The non-contact three-dimensional optical measuring head and the non-contact three-dimensional optical measuring method can effectively perform high-precision in-situ measurement of the geometric size of the workpiece processed by the numerical control machine, shorten the manufacturing period of products effectively and guarantee product quality.

The invention relates to the technical field of aquatic product index measurement and particularly relates to an automatic measuring device and method for fish type morphological parameters. The automatic measuring device comprises a computer, a framework main body (1), a live fish flow guide groove (2) which is obliquely formed on the framework main body (1) and a photographing device which is arranged at the lower end of the live fish flow guide groove (2) and is used for photographing a fish body image; the bottom of the live fish flow guide groove (2) is a transparent platform; the photographing device comprises a bracket (4) arranged on the framework main body (1) and an industrial camera (5) which is in sliding connection with the bracket (4); the industrial camera is in signal connection with the computer; the computer comprises a parameter setting module, a calibration module, an image acquisition module, a fish body size automatic extracting module and a fish body size manual measuring module which are in signal connection in sequence. With the adoption of the device and the method, the fish type morphological parameters can be rapidly acquired in a lossless mode.

Disclosed is a steel ball surface defect detection automatic sorting device. A light source is arranged on a work bench, a left camera mounted on a left support and a right camera mounted on a right support are symmetrically arranged on the left side and the right side of a light source bowl cover, camera lenses of the left camera and the right camera are arranged symmetrically and corresponding to a left observation hole and a right observation hole formed on the light source bowl cover, a vibration feed table and a material transferring channel connected to a discharge hole of the vibration feeding table are arranged behind the light source, the material transferring channel penetrates through the power source bowel cover and the front of the light source, a sorting mechanism and a collecting box placed below the sorting mechanism are arranged in front of the light source, a discharge terminal of the material transferring channel is inserted into a feeding hole end of the sorting mechanism, the left camera and the right camera are respectively connected with a peripheral component interconnection (PCI) card, PCI cards are respectively connected with a computer and a pneumatic unit, and an output end of the pneumatic unit is connected with the sorting mechanism. According to the steel ball surface defect detection automatic sorting device, the detecting process can achieve automation completely, no easily-worn part exists, the service life is long, and defect detection is accurate and efficient.

Provided is an operation method of an electric peeling device for the protective cores of waste cable. Clamping mechanisms are arranged at the two ends on an operation table. A heater, a cutting mechanism and a stripping mechanism are sequentially arranged along the running direction of cables between the two clamping mechanisms. An insulating layer collection hole is arranged between the cutting mechanism and the stripping mechanism. The operation method comprises the following steps: adjusting the height of the telescopic rods on the clamping mechanisms; adjusting the distance between the blade of a cutter on the cutting mechanism and the inner core of a cable and the distance between the blade of a separator on the stripping mechanism and the inner core of the cable; adjusting the centers of the mechanisms to the same axis line; and heating, cutting and stripping the insulating layer of a to-be-processed cable in sequence. The device has a simple structure. The operation method is simple. The use effect is good. Operation by workers is facilitated. The labor intensity of workers is reduced greatly. The stripping effect is good, and the production efficiency is high. The method is suitable for stripping the rubber sheaths of all kinds of cables. High cable core recovery efficiency is achieved.

The invention discloses a non-intrusive fuel cell fault diagnosis method. The method comprises fault diagnosis classifier establishing and fault diagnosis testing. The fault diagnosis classifier establishing comprises the following steps of taking the actual operation data of a fuel cell as an original data set extraction diagnosis variable; preprocessing the diagnosis variable; training preprocessed data through an ELM learning algorithm and screening a clustering result which is the same with an actual fault label as a fault sample set; and through an ELM model, learning the fault sample setand outputting an ELM classification model so as to form a fault diagnosis classifier. The fault diagnosis testing comprises the following steps of detecting the data to be diagnosed of the fuel cell; through the data to be diagnosed, establishing a test sample; and sending the test sample into the ELM classification model for testing and outputting a test result. In the invention, the fault diagnosis of the fuel cell can be performed in a non-intrusive mode, and the timeliness, the reliability and the accuracy of fuel cell fault diagnosis are effectively increased.

The invention relates to an online matt Raman amplifier with automatic shutdown and starting and a control method thereof. An output end of a pump laser unit group is connected with a pump end of a combiner, a public end of the combiner is connected with a transmission optical fiber, a signal end of the combiner is connected with an input end of a spectro-coupler, the big end of the spectro-coupler is a signal output end, the small end of the spectro-coupler is connected with the public end of a signal band-pass filter, a reflection end of the signal band-pass filter is connected with a detector of noise outside bandwidth, a transmission end is connected with a detector of signal plus the noise within the bandwidth, the signal output ends of the detector of the noise outside the bandwidth and the detector of the signal plus the noise within the bandwidth are respectively connected with a signal input end of a control unit, and the signal output end of the control unit is connected with the pump laser unit group. The method is to realize the signal power detection and the ASE compensation according to the method of detecting the ASE power of the Raman amplifier outside the working bandwidth and the total power of the ASE within the working bandwidth and the signal. The method can accurately detect the actual power of the signal and automatically shut down and start the amplifier according to the level of the signal power.

The invention discloses a five-axis two-dimensional ultrasonic polishing machine tool for optical curved face machining. The machine tool is composed of a rack, a three-dimensional moving device, a rotary ultrasonic vibration polishing device, a rotary workbench, a polishing liquid ultrasonic atomizing and applying device and an on-line workpiece detection device. When the machine tool is used, the amplitude of the ultrasonic vibration polishing device is obtained according to the calculation formula (please see the formula in the description); five-axis linkage is achieved through a program control system, and the axis of a polishing head is made to always coincide with the normal line of a workpiece polishing point; a 45-degree included angle is kept between the jetting direction of polishing liquid and the normal line of the polishing point. The polishing machine tool has the advantages that ultrasonic energy transmission is concentrated, the contact stress between the surface of the polishing head and the surface of a workpiece is uniform, the polishing precision is high, the removal rate in the polishing process is high, the utilization rate of the polishing liquid is high, and the polishing precision of the workpiece can be detected on line.

The invention provides a novel fiber reinforced cellular board and a preparation method thereof. The novel fiber reinforced cellular board consists of panels on the two sides and a cellular core of a pyramid-shaped structure. The cellular core of the pyramid-shaped structure is prepared by the following steps: injecting high-strength dispersed short-cut fiber cotton / felt into an epoxy resin substrate; or presoaking the epoxy resin substrate by the high-strength dispersed short-cut fiber of 10 mm to 30 mm to form a pre-mixed molding material; and heating, pressurizing and molding the pre-mixed molding material. The prepared cellular core consists of a series of concave-convex staggered pyramid-shaped platform bodies which form a stable whole body together under the action of the two panels on the two sides, so the novel fiber reinforced cellular board has various high mechanical properties. The novel fiber reinforced cellular board has very simple molding process and low production cost, and can realize continuous high-efficiency production.

The invention provides a cutting off method of a laminated body and a cutting tool used therein. In the cutting process of the laminated body in which fragile material and resin films are laminated, no waste, such as stripped pieces or broken pieces, is generated, and the surface of the fragile material substrate will not be damaged. From the surface of the glass substrate (3), which is contrary to the resin film, cracks (31) with thickness of between 10% and 100% of the thickness of the glass substrate (3), which is substantial perpendicular to the glass substrate surface, are formed. Then, the cutting tool (2) is pressed at or near the position of the resin film (41) surface corresponding to the cracks (31), the cutting tool (2) moves corresponding to the laminated body (S1), thereby a cut (43) is formed on the resin film (41), the cut (43) has a thickness of more than 90% of the thickness of the resin film (41) and does not reach the range of the glass substrate (3).

The invention discloses antibacterial, moisture-absorbent and warming knitted fabric and a manufacturing method thereof. The antibacterial, moisture-absorbent and warming knitted fabric has a double-layer structure, wherein an outer layer of the fabric has a mesh structure woven from blended yarns which are blended from cellulosic fibers and nanosilver antibacterial agent-containing profiled polyester fibers; an inner layer of the fabric has a plain structure woven from the nanosilver antibacterial agent-containing profiled polyester fibers; and the inner layer and the outer layer are connected through polyester filaments with grooved sections. The manufacturing method comprises the following steps: for the outer layer of the fabric, manufacturing the mesh structure woven from the blended yarns which are blended from the cellulosic fibers and the nanosilver antibacterial agent-containing profiled polyester fibers; for the inner layer of the fabric, manufacturing the plain structure woven from the nanosilver antibacterial agent-containing profiled polyester fibers; and connecting the inner layer and the outer layer through the polyester filaments with the grooved sections. The antibacterial, moisture-absorbent and warming knitted fabric can meet requirements on moisture absorption for quick drying as well as wearing comfort, can meet an increasingly strong requirement on antibacterial sanitation and has a good warming effect.