109results about How to "Simple cutting process" patented technology

The invention discloses a novel mining method of gently-inclined thin and medium thickness ore bodies. According to the method, ore bodies in one stope are stoped by dividing the stope into two stope areas through steps: firstly, stoping is performed at the stope area (1) by using a pillarless sublevel caving method: the ore bodies are directly caved in single sublevel by using medium-length blastholes; a certain empty area formed after ore removal is used as a free surface for stoping of the stope area (2); then, the stoping is performed at the stope area (2) by using a blasting force carrying mining method; fan-shaped medium-length blastholes are arranged in a manner perpendicular to the ore body tendency, and are filled with powder according to sections, the decking parts are the parts from the lower disc boundaries of the ore bodies to the hole bottoms; the empty area formed during the stoping of the stope area (1) is used as a free surface for blasting row by row; ores in the stope area (2) are thrown in the empty area by using the blasting force. The method integrates the pillarless sublevel caving method and the blast force carrying mining method, so that the supporting difficulty and the workload are reduced, the operation is safer, the mining cost is low, and the labor productivity is high.

The invention relates to a digital die-free sand mould extrusion forming method, belonging to a combined casting and rapid forming field. The digital die-free sand mould extrusion forming method provided by the invention has the following steps of: establishing a CAD (Computer Aided Design) model according to a sand mould shape, establishing a similar model of a sand mould according to the CAD model, compiling an extrusion head control code, and controlling an extrusion head to generate a similar shape of the sand mould; intruding a shaping material and shaping through extrusion, so as to obtain a sand mould pre-forming piece; and milling the sand mould pre-forming piece so as to obtain a final sand mould. Compared with the conventional shaping method, according to the shaping method provided by the invention, the die manufacturing step is eliminated, the machining process is reduced, the production period is reduced, and the production cost of the sand mould is greatly reduced. The digital die-free sand mould extrusion forming method is particularly applicable to machining and manufacturing a small scale of the sand moulds with complex structures.

The invention belongs to the agricultural technology field, and particularly relates to a micro-cuttage and rapid-propagation technology of sweet-scented osmanthus. The micro-cuttage and rapid-propagation technology includes: selecting a plug tray of 40*40*45mm as a matrix vessel and constructing a support of covering films on the plug tray; mixing 30% of field and garden soil, 20% of plant ash, 20% of perlite and 30% of rice hull, using the mixture as a matrix, and disinfecting the matrix; selecting annual and lignified sweet-scented osmanthus branches as cuttings to be performed cuttage, and shearing the cuttings into small sections according to knot intervals, wherein each section is provided with only one bud knot and two leaves; cleaning and disinfecting the cuttings, and inserting the cuttings into the plug tray after performing glue enveloping on a section wound on each cutting; dropping growth hormone into each transplanting hole; sealing and moisturizing the plug tray. The micro-cuttage and rapid-propagation technology of the sweet-scented osmanthus greatly increases an expanding propagation multiple of cuttage propagation of the sweet-scented osmanthus by shortening the cuttings, enables survival rate of the cuttings to reach above 95% by improving the matrix of the plug tray and performing pretreatment before cuttage, and enables the rooting percentage of the cuttings to reach above 80% during one month by controlling temperature and humidity and processing the cuttings with the growth hormone.

The invention relates to a hibiscus cuttage rapid propagation technology. According to the technical scheme, the technology includes the steps that firstly, a cuttage bed is built by using perlite as matrix; secondly, a humidity control system and an automatic spray system are constructed, a spray device is controlled according to change conditions of surface humidity of the matrix, and the rooting and growing environment of cutting slips is provide and adjusted; thirdly, strong and semi-ligneous or ligneous branches which are not damaged by pests or diseases and grown in the current year or yearly are selected as cuttings, and pruning and cuttage are carried out in time; fourthly, the branches are treated by using a rooting agent to hasten rooting before cuttage is carried out; fifthly, spray equipment is started and humidity parameters are set after cuttage is carried out, automatic spray is changed into manual control after 10 days, seedlings can be lifted 25 days after cottage, the seedlings are filled into a pot and subject to hardening-off, and the seedlings are transplanted 15 days later. The hibiscus cuttage rapid propagation technology is short in propagation period of nursery stocks, low in cost input and capable of being widely applied to large-scale and industrialized landscape nursery stock development for individuals and enterprises.

The present invention provides a cutting method combining deep hole cutting and small well cutting, and belongs to the technical field of ore belt mining. The invention adopts a cutting process combining deep hole cutting and small well cutting, not only cancels the roadway cutting, simplifies the cutting process, and reduces cutting cost significantly, but also provides an experimental basis to realize cutting of deep hole cutting blasting, and has strong promotion and application value. Medium-length holes on both sides of the small well are cut by dual radiation center construction. Taking the small well as a free surface, delay blasting is performed from small well center to the two sides to realize medium-length hole blasting pull trough without roadway cutting, and blasting initial free surfaces are created for follow-up blasting of medium-length hole breaking ground. The long axis direction of a cutting well is perpendicular to the row surface of the cutting deep hole, and the length direction is greater than the row spacing of the cutting deep hole, therefore the deep hole blasting gets the maximum free surface, greatly enhancing the blasting success rate which can reach 100%.

The invention relates to a diamond cutting process, in particular to a manufacturing method of an octagonal diamond with eight hearts and eight arrows inside. The manufacturing method comprises the steps of raw diamond selecting, primary cutting, surrounding edge cutting, main octahedral cone anti-cutting, and surface octahedral cone anti-cutting. By the manufacturing method disclosed by the invention, the steps from raw diamond selecting to each surface cutting are realized by simple steps, so that the loss of the diamond in a cutting process is reduced, the cutting steps of the whole process are reduced, the cutting process of the diamond with eight hearts and eight arrows is simplified, and the product cost is reduced.

The invention relates to a machining device, in particular to an automatic feeding-discharging system of a numerically-controlled lathe. The direct-pushing-type numerically-controlled-lathe feeding-discharging assisting system comprises a vibrating disc, a feeding mechanism, a discharging mechanism, a linear guide rail, a lifting air cylinder and a support. The support is fixedly connected to the numerically-controlled lathe. The linear guide rail is movably connected to the support, a lifting plate is fixedly connected with the tail end of the linear guide rail, the lifting air cylinder is fixedly connected to the support, and a piston rod of the lifting air cylinder is fixedly connected with the lifting plate. The feeding mechanism is fixedly connected to the lifting plate. A technology for achieving automatic feeding and automatic discharging of the numerically-controlled lathe is disclosed. By means of the direct-pushing-type numerically-controlled-lathe feeding-discharging assisting system, clamping jaws widely used in the industry are omitted, a simpler and more durable direct-pushing type mechanism is developed, and the feeding process and the discharging process of workpieces on a chuck of the numerically-controlled lathe are achieved. Motions are accurate in the feeding process, and the speed is high in the discharging process.

The invention discloses a laser engraved linear array light guide plate. The light guide plate made of an acryl flat plate comprises a reflecting layer, a light guide layer and a diffusing layer, wherein the reflecting layer is made of light reflecting materials with high reflectivity; the light guide layer is made of materials with high light transmittance; and the diffusing layer is made of light homogenizing materials. The laser engraved linear array light guide plate is characterized in that a plurality of linear arrays comprising light reflection diffusing lines engraved by a laser pulse are respectively distributed in the horizontal direction and the longitudinal direction on the light guide layer of the light guide plate, wherein the diffusing lines among the linear arrays of vertical light rays are parallel with each other and form arithmetic progression arrangement, and the linear arrays at a position of the light guide plate nearer a light source are sparser, and vice versa according to the practical requirements; and the diffusing lines among the linear arrays of parallel light rays are parallel with each other and form an equal distance. In addition, the invention also discloses a preparation method of the light guide plate. The light guide plate adopting the technical method has more even light emission and better effect.

The invention discloses a double-emission-center cutting deep hole blasting technology. The double-emission-center cutting deep hole blasting technology comprises the following steps of arranging a cutting mine at an appropriate position of a cutting tunnel; confirming the long axis direction of the cutting mine and cutting a mine according to designed construction; designing and constructing middle deep holes which are formed in bilateral sides of the cutting mine with the utilization of double emission centers; confirming detonating ways of the cutting mine and performing on-line detonating. The double emission centers which are symmetrically arranged on bilateral sides of the center of the tunnel are 0.6 m far away from the tunnel center, the middle deep holes are formed with a left side emission center and a right side emission center serving as benchmarks, and 8 to 9 middle deep holes are uniformly formed according to the bottom distance of the holes. The hole diameter of the middle deep holes is 76 mm, the depth is from 6 to 17 m, the bottom distance is from 1.8 to 2.0 m, two rows of deep holes are formed inside the cutting mine, and the row interval is 1.5m. Successful application of the double-emission-center deep hole blasting technology has the advantages of cancelling cutting level tunnels, reducing cutting costs by a large margin, simplifying cutting technologies, providing technical guarantee for achieving a cutting mine and deep hole combined kerve and having strong popularization and application values.

The invention discloses a cutting method for protecting the wafer-level packaging of a connecting pad, which comprises forming a plurality of cavities and pre-cutting channels on the front of an upper cover wafer, wherein the depth of each pre-cutting channel is smaller than the depth of each cavity, then bonding the upper wafer and an element wafer whose surface is provided with a plurality of elements and a plurality of connecting pads, then conducting the upper wafer cutting technology, cutting through the upper cover wafer along the pre-cutting channels, removing partial upper cover wafer which is not bonded with the element wafer to expose the connecting pads, finally conducting the element wafer cutting technology to form a plurality of package tube cores.

The invention discloses a method automatically setting the cut length according to reading curtain components' codes and its equipment. The process comprises: 1. read the product codes of the curtain components and display the information on the display of the equipment; 2. select the pattern of inputting the curtain components equipment and the window's size to compare it with the information of the curtain components and pre-calculate the cut size and display the results; 3. use the location device of the processor automatic control equipment to displace to the pre-location device, and use the processor to control a cutting unit to cut the curtain components.

The invention discloses a flame cutting process and a flame cutting positioning device. The flame cutting positioning device is used to be installed on the flame cutting equipment, and includes a tooling body, and the tooling body is provided with a positioning installation structure connected to the positioning structure on the part to be processed as the positioning reference for processing at both ends. The technical scheme of the invention can effectively realize the double-sided processing of the parts, thereby improving the cutting precision in the flame cutting processing of the parts and simplifying the processing technology.

The invention provides a laser machining system and method. The laser machining system comprises at least two lasers, focusing modules and a beam combining module, wherein the lasers are used for generating at least two laser beams; the focusing modules are arranged corresponding to at least two lasers in a one-to-one mode, and are used for adjusting the focusing positions of the laser beams generated by the corresponding lasers; and the beam combining module is used for receiving at least two laser beams with the adjusted focusing positions and coaxially outputting at least two laser beams. According to the system, the cutting quality of a to-be-machined workpiece can be improved, the reject ratio of the to-be-machined workpiece can be effectively reduced, meanwhile, the application rangeof the lasers can be expanded, and the flexibility of adjusting the focusing positions of the laser beams generated by the lasers can be improved.

The invention relates to the technical field of slitting equipment, in particular to an equivalent slitting machine with an automatic pushing function. The equivalent slitting machine with the automatic pushing function can achieve the purposes that sugarcane can be evenly and equivalently slit, the sugarcane can be automatically pushed, slit and collected integrally, and meanwhile the surface ofthe sugarcane can be cleaned. According to the technical scheme, the equivalent slitting machine with the automatic pushing function comprises a first base, a second base, a swing cutting device, supporting rods, an arc-shaped guide plate, a limiting arc-shaped plate, an intermittent transmission device and the like. The swing cutting device is mounted on one side face of the first base. By meansof the intermittent transmission device, the sugarcane in the arc-shaped guide plate can be pushed to be conveyed forwards intermittently, the swing cutting device can equivalently slit the conveyed sugarcane, and the effect of slitting one piece of sugarcane into multiple uniform and equivalent parts is achieved.

The invention relates to a preparation method of a metal soft magnetic powder core with low forming pressure and high production efficiency, and belongs to the technical field of preparation of metal soft magnetic powder cores. The preparation method comprises the following operation steps: (1) screening iron-based powder into three levels, and taking three kinds of iron-based powder according to the mass percent to obtain powder; (2) mixing the three kinds of powder to obtain mixed powder; (3) adding epoxy resin and zinc stearate into the mixed powder, and uniformly stirring to obtain blank powder; (4) performing extrusion processing on the blank powder in a screw extruder to obtain a hollow pipe, and cutting the hollow pipe into a magnet ring green body; and (5) baking the magnet ring green body in a box-type furnace to obtain a metal soft magnetic powder core; wherein the density of the metal soft magnetic powder core ranges from 5.78 g/cm<3> to 7.20 g/cm<3>, and the magnetic conductivity ranges from 48.0 to 49.5. The forming pressure of the metal soft magnetic powder core is remarkably reduced through the particle size ratio, so that the metal soft magnetic powder core can be formed in an extrusion and cutting mode, the cost is reduced, and the production efficiency is greatly improved.

The invention relates to a rose cuttage propagation method. After being treated, cuttings are inserted in a108-hole aperture disk equipped with a cutting medium; management is performed according to the following conditions that cultivation is performed in a room, the relative humidity of ambient air is 75-85%, the temperature is 23-25 DEG C and the water content of the cutting medium is 75-80%; three days after cuttage, LED plant cultivation lamps are used for supplementing lighting, wherein the ratio of red light to blue light in light emitted by the LED plant cultivation lamps is 2:1 to 4:1, the wavelength of the red light is 650-660 nm, the wavelength of the blue light is 450-460 nm, the light intensity is 100-120 micro mol/m<2>, and light supplementing is conducted at 7 O'clock to 17 O'clock every day. By means of the cuttage propagation method, rose seedlings are high in survival rate, and the survival rate is as high as 96%. The invention further provides a rose indoor cultivation method, roses can thus germinate more branches and buds, the commodity of flowers can be improved, and the market demand is thus met better.

The invention discloses a production process and device for machining a PE double-wall corrugated pipe with a socket and a spigot on line. A manner for forming the continuous pipe includes sequential circulation of a straight pipe section, a socket/spigot section, a symmetric socket/spigot section, a straight pipe section, a spigot/socket section and a symmetric spigot/socket section. When the formed continuous pipe is cut, the pipe is cut in the symmetric axis position of the socket/spigot section and the symmetric socket/spigot section so that a unit pipe with one end being a spigot section, the other end being a socket section and the middle being a straight pipe section can be obtained. The production process and device have the beneficial effects that when the pipe is produced, due to the fact that the structures of the spigot/socket section and the symmetric spigot/socket section are symmetric, a transitional part does not need to be designed, and no waste is generated in the whole manufacturing process.

The invention discloses a framework model for measuring dress, cutting dress and fitting finished dress. The framework model is formed by combining formwork assemblies; the formwork assemblies comprise a ruler sheet, a body width thick ruler, a fixing base and a central standpipe; the ruler sheet is connected with the body width thick ruler, the body width thick ruler is connected to the fixing base, and the fixing base is connected with the central standpipe; the ruler sheet comprises a ruler sheet body, and the middle of the ruler sheet body is provided with a movable ruler and a fastening device for connecting the ruler sheet body with the movable ruler; the body width thick ruler comprises a main sheet on which a movable sheet is arranged, one ends, at different sides, of the main sheet and the movable sheet are respectively provided with a fine rod hole through which a shaft rod can penetrate; and the fixing base comprises a clamping round disc for fixing the body width thickness ruler and a lower clamping round disc. The framework model has a simple structure and can be used for simplifying the dress measuring and cutting process, and the finished dress is suitable for a customized body type.

The invention provides a video cropping method and device, equipment and a storage medium. The method comprises the following steps: acquiring at least one detection box of a first image frame; determining the cost of the detection box according to at least one selected from the importance score, the coverage area and the smooth distance of any detection box in the at least one detection box; determining the first detection box with the lowest cost in the at least one detection box as a cropping box; and cropping a first image frame based on the cropping frame. Based on the cost of each detection frame, the first detection frame with the minimum cost in the at least one detection frame is determined as the cropping frame so as to crop the first image frame, thereby improving the flexibility of video cropping and enhancing the cropping effect under the condition of ensuring the simplification of a video cropping process.