316 results about "Cross-cutting" patented technology

The invention discloses a GaAs-based LED chip cutting method. The method comprises the following steps: (1) semi-cutting is carried out on a P surface, criss-cross cutting grooves are formed, and chip P surface electrodes are separated at equal intervals; (2) the chip P electrodes face a white film downwardly, N electrodes face upwardly and are attached to the white film; (3) chip N surface scribing is carried out along the cutting grooves formed by P surface semi-cutting, and chip N surface stress is relieved; (4) film inverting is carried out on the scribed chip, and the chip is transferred to a blue film from the white film; and (5) on the chip N surface, a bonding tool of a chip breaking machine is used for chip breaking along scratches, and the chip is processed into independent crystal grains. The improved surface mount method is used, a cutting method which combines advantages of a chip sawing machine and a laser chip scribing machine is adopted, the chip P surface stress and the N surface stress are relieved maximally, deformation stress effects caused by film laminating can be reduced and edge collapse and pipe core breaking phenomena after the chip is cut are reduced, and the appearance quality after the chip is cut is improved.

The invention relates to a preparation method for a high-magnesium aluminum alloy O-state plate of 5XXX series. The method comprises the steps of smelting, refining, casting, soaking, saw cutting, surface milling, preheating, hot rolling, cross-cutting and uncoiling or edge trimming, saw cutting, packaging and warehousing and the like. According to the preparation method, the high-magnesium aluminum alloy O-state plate of the 5XXX series is prepared through a new production process, under the condition that the performance and structure stability of high-magnesium aluminum alloy are maintained, the production procedures can be reduced, and surface quality defects of the high-magnesium aluminum alloy can be reduced; products can be directly produced after the aluminum alloy plate with the thickness being equal to or larger than 3 mm is subjected to hot rolling, the product yield can be substantially increased, and production efficiency can be improved sufficiently.

The invention provides an automatic lap changing winder which comprises a frame, a drawing mechanism, a cross cutting mechanism, an air expanding shaft assembly, a large roller synchronous winding mechanism, a turnover mechanism, a pressing claw mechanism and a swing arm mechanism. The automatic lap changing winder is characterized in that the linear surface velocity of the drawing mechanism is equal to that of a large roller when the drawing mechanism and the large roller synchronous winding mechanism are under the action of a main driving motor and a sprocket pair, rotatable air expanding shaft guide wheels are mounted at two ends of an air expanding shaft, guide rails are arranged on the frame, a U-shaped groove in a turnover seat can function in guiding, the air expanding shaft can linearly move in winding, a gear is fixed onto the turnover seat, the turnover seat is supported on the large roller and can turn over around the large roller, the pressing claw mechanism is arranged on the turnover seat to automatically change laps, an arc-shaped head is arranged above a swing arm, and the air expanding shaft guide wheels can be tightly pressed to realize winding and can also be pushed away to discharge coiled materials. The automatic lap changing winder is reasonable in structure and simple to operate, manual lap changing is omitted, continuous production of winding is realized, and production efficiency is improved.

A machine for forming, filling, and sealing sacks has an unwinding device for a plastic tube, a cross-cutting device that cuts the tube perpendicularly to its principal axis of symmetry and creates tubular pieces in the process, a bottom forming means for forming a sack bottom at one end of the tubular piece, transport equipment to transport the resulting sacks through the machine, a filling station with a feeding element for filling the product in the sack, means of reducing the distance between the product discharge opening of the feed element and the bottom of the sack to be filled, and sealing means to seal the filled sack. The means of reducing the distance is a sack lifting device with which the sack can be lifted in the filling station such that an upper edge of the sack is located above the product discharge opening of the feed element.

The invention discloses an amorphous-silicon-steel composite stator core for a radial magnetic field motor and a manufacturing method thereof. The composite stator core comprises silicon steel plate layers and amorphous alloy plate layers which are alternately stacked and are then solidified into a block body. The manufacturing method comprises steps of composite material roll making, cross cutting and stacking, annealing, paint dipping and solidification, and processing. The core has properties of low loss, high saturation magnetic induction intensity and high mechanical strength.

The invention relates to a hobbing type cross-cutting shear which belongs to the technical field of shearing machines for metal plates, comprises a closed frame comprising a left frame, a right frame, an upper crossbeam and a lower knife rest, an upper shear blade lifting mechanism, an arc surface sliding seat type hopping mechanism, a roll wheel-guide groove type guide mechanism, a hydraulic cylinder balancing mechanism, a shearing blade clearance adjusting mechanism and a mechanism for connecting an upper knife box and an upper knife rest, and is characterized in that the lifting of an upper shear blade is realized by the movement of upper and lower oblique wedges mounted on the lower surface of the upper crossbeam and the action of balancing a hydraulic cylinder. The pure rolling shearing of the upper shear blade is realized by the transverse movement of an arc surface sliding seat mounted on the lower surface of the lower oblique wedge and the constraint of the roll wheel-guide groove mechanism. The adjustment of the clearance between the shear blades is realized by the movement of the oblique wedges arranged before and after the upper knife rest. The hobbing type cross-cutting shear has the advantages that a rolling ball spiral mechanism is adopted for driving the oblique wedges to move, thereby greatly improving the carrying capacity of equipment. The arc surface slidingseat type mechanism and the roll wheel-guide groove type guide mechanism are adopted, thereby being capable of realizing the pure rolling shearing.

A slicing and dicing device which includes a pivoted lever which when stroked slides a pusher assembly partway along on a main body towards a cutter piece to slice an interposed item. Gearing operated by the lever disengages after each stroke to allow another stroke, reducing the peak effect required by limiting the range of motion to a range where good leverage is obtained. A dicing assembly is mounted forward of the cutter piece for vertical sliding motion to allow cross cutting of strips sliced out of the item by the cutter piece.

The invention relates to a straw chopper, comprising a distributing roller, a cropping roller, a rack and a chain type dissepiment conveyor; the front end of the rack is provided with a feed inlet and the rear end thereof is provided with a discharge hole; the distributing roller is arranged above the feed inlet; a cross cutting tooth and a circumferential cutting tooth are arranged on the distributing roller; the cropping roller is arranged at the oblique and lower part of the rear side of the distributing roller; the outer circle of the cropping roller is provided with a plurality of cutting knives; the lower part of the cropping roller is provided with a particle screening plate which consists of a frame and a plurality of screening pieces; each screening piece is arranged in the frame in parallel and a gap is left between the two adjacent screening pieces; a pressure plate is arranged between the distributing roller and the cropping roller; the middle shafts of the distributing roller and the cropping roller are connected with a power device; the chain type dissepiment conveyor is arranged at the lower part of the feed inlet and a roller of chain type dissepiment conveyor extends to the bottom of the front end of the distributing roller. The straw chopper of the invention has the advantages of compact structure, reasonable layout, reliability and safety, even crashing, high efficiency and high yield and can realize continuous feeding.

A method of manufacturing composite filters for cigarettes, cigars and similar tobacco products, on a twin track machine, involves generating a succession of filter sticks of a first type, made from a first filter material and/or having first filtration properties, and at least one other succession of filter sticks of a different type, made from a respective different filter material and/or having filtration properties different to those of the first type; cross-cutting the filter sticks of the first type and the filter sticks of the different type on at least one transverse cutting line to obtain a succession of first and second plugs of the first type and a succession of first and second plugs of the different type; arranging the first plugs of the first type and the first plugs of the different type in alternation one with another to create a first filter rod, and arranging the second plugs of the first type and the second plugs of the different type in alternation one with another to create a second filter rod; checking the position of at least one first plug of the first rod, relative to a corresponding second plug of the second rod; and correcting the position of the at least one transverse cutting line according to the relative positioning of the first and second plugs.

The invention provides an on-line transverse cutting machine of polystyrene plastic extrusion foam plates, relates to an on-line transverse cutting machine of polystyrene plastic extrusion foam plates (polystyrene plastic extrusion foaming insulation boards), belongs to the field of foaming insulation board cutting machinery, and is mainly used for on-line cross cutting polystyrene plastic extrusion foam plates (polystyrene plastic extrusion foaming insulation boards). The transverse cutting machine comprises a frame, a horizontal moving mechanism, a transverse cutting mechanism, a plate conveying mechanism and a control mechanism, wherein, a horizontal guiding rail is arranged at the upper part of the frame; a horizontal moving mechanism is mounted on the horizontal guiding rail; the transverse cutting mechanism is arranged on the other side of the frame; the transverse cutting mechanism comprises an upper seat board, a saw blade, a motor II which drives the saw blade to rotate and a motor III which drives the transverse cutting mechanism to move transversely; the motor III is mounted at the lower part of the horizontal guiding rail; a transverse horizontal guiding rail is mounted on the horizontal moving mechanism; the upper seat board is mounted on the transverse horizontal guiding rail; the saw blade and the motor II are mounted on the upper seat board; the plate conveying mechanism is arranged at the back part of one side of the frame; and the control mechanism comprises a photoelectric switch which controls the length of the plates.

The invention relates to a lead pig grinding and granulating machine which comprises a stand (12) and a working platform (1). The lead pig grinding and granulating machine is characterized in that two counter-roll matching grinding rollers (3), two counter-roll matching longitudinal-cutting rollers (4) and two counter-roll matching cross-cutting rollers (6) are sequentially arranged on a stand (12) at a certain interval, wherein the surface of each longitudinal-cutting roller (4) is uniformly provided with one group of longitudinal cutting blades (5) around the circumference along the axial direction, and the surface of each cross-cutting roller (6) is uniformly provided with cross-cutting blades (7) parallel to the axial direction along the circumference. The invention has the advantages that the traditional process of counter-roll extruding and granulating after slicing a lead pig is discarded, and advanced processes and devices of firstly grinding, then rolling and stripping, then crossly cutting and granulating are adopted. Compared with the prior art, the lead pig grinding and granulating machine has the advantages of high granulating efficiency, high material utilization rate, long service life, low manufacture cost and the like.

The invention discloses a precision forming method of an ultrathin stainless steel substrate for a flexible product, an obtained substrate and an application thereof. The method comprises the following steps: taking a cold-rolled 2B-surface AISI300 series stainless steel band with the thickness of 0.8-1mm as a raw material, twenty-high rolling, debinding, bright annealing, secondary cold-rolling by a twenty-high roll mill, debinding, bright annealing, tension straightening, length cutting/cross cutting, inspecting, packaging and the like. The ultrathin stainless steel substrate has the grain size of 5-6 grades, uniform internal stress distribution, the thickness deviation of +/-0.002, the thickness of 0.03-0.2mm, surface roughness of Ra20nm-Ra500nm, surface evenness of 1-2I-Unit, and the yield strength of less than 200MPa. The ultrathin stainless steel substrate is applied to a flexible solar cell and a flexible display product. The invention has simple and feasible production method, low cost, high product quality and high production efficiency.

The invention provides a banana pseudostem-soil returning method and the device thereof. After bananas are harvested, the banana pseudostems are pushed down in situ by the machine head of the tractor during the running, hooked up from the ground by a row of Y-shaped movable blades which perform a high speed cutting tangential motion against the ground, and loaded into a crushing chamber, the banana pseudostem is crushed through the cross cutting of the cooperation of the Y-shaped movable blades running at a high speed and the fixed blades in the crushing chamber, the broken slag is evenly laid down on the field through the back flow plate, and after the broken slag is fully dried, the broken slag is buried under the soil through plowing, to be returned back to the soil as green manure. The device comprises a casing body, a front flexible protective cover, a rear protective plate, a main axle, fixed blades and movable blades, the front flexible protective cover is arranged at the front side of the casing body, the rear protective plate is installed at the rear side of the casing body, fixed blades are installed on the inner wall of the casing body of the crushing chamber, and a plurality of rows of Y-shaped movable blades are arranged in the circumference direction of the cylindrical surface of the main axle. The pseudostem processing method ensures that the banana pseudostems to be returned back to the field as the green manure to fertilize the soil, and the manure source of banana pseudostem is fully utilized.

Embodiments of the present invention provide a method, system and computer program product for the detection of correlation rules in an enterprise computing monitoring and management system. In one embodiment of the invention, a method for detection of correlation rules can be provided. The method can include receiving events from multiple event sources, classifying the events according to a set of event attributes, determining a temporal proximity of occurrence of different classified events, further determining a frequency of occurrence of temporal proximity for particular classified events, and reporting a causal relationship between the particular classified events when the frequency of occurrence exceeds a threshold value.

A composite drill bit with a bit body configured at its upper extend for connection into a drillstring, comprising: a bit body (1) with at least one bit leg (3), at least one scraping-wheel (2) set with a cutter-row (4), and a set of cutters fixed thereon. The scraping-wheel (2) is mounted for rotation on the corresponding bit leg (3) with a large angular deflection α in the range of 20°≦|α|≦90°. The cutters on the scraping-wheel break rock by means of successive scraping, forming a cross-cutting area on the bottomhole accompanied by the cutters on the fixed cutting unit, thus achieving high rock-breaking efficiency, even wear, high cooling performance, and a longer service life for the cutters, bearings and the drill bit.

In order to provide a variable folder which allows smearing-free operation, the cutting blade of an upstream cross-cutting arrangement is provided with recesses, which leave behind residual crosspieces in the strand which is to be cut, and arranged in the product-directing region, between the cross-cutting arrangement and a collecting cylinder, are accelerating and tearing-off cams which grip the incoming product and tear it off from the strand at the residual crosspieces.

The invention belongs to the technical field of image processing, and particularly relates to a two-dimensional DXF (drawing exchange file) format based three-dimensional realistic display method of parts. The three-dimensional realistic display method specifically includes the steps of 1), reading data of a bus and an axis in the DXF format; 2), structuring a rotating surface by utilizing the data read in the step 1); 2.1), calculating center coordinates of an arc by means of a circular arc cutting algorithm; 2.2), calculating the coordinates of the rotating surface by means of a rotation to formation algorithm; 2.2.1), subjecting a known curve to cross cutting; 2.2.2), subjecting points obtained from the cross cutting to lengthwise cutting; 3), performing lighting effect processing by means of a normal vector algorithm; 4), displaying a three-dimensional entity by means of OpenGL performance functions. Therefore, three-dimensional realistic display of the parts can be realized.

The invention relates to a drum shear (1) and to a method for cross-cutting rolled stock (2) by means of the drum shear (1). The aim of the invention is to provide a drum shear (1) and a method for cross-cutting rolled stock (2) by means of the drum shear (1), by way of which the blades (26) of the drum shear (1) can be moved rapidly and in a precisely positioned manner into the cutting position. Moreover, the drum shear (1) should be of simple and robust design. The aim is achieved in that a drum shear (1) is provided in which the actuating device (28) comprises a first hydraulic cylinder (13) and a second hydraulic cylinder (14), wherein the first hydraulic cylinder (13) is arranged between the first part (11) and the second hydraulic cylinder (14), and the second hydraulic cylinder (14) is arranged between the first hydraulic cylinder (13) and the second part (12).

A repetitive fence utilizes a plurality of telescoping arms driven by a metal tape of the tape measure type to position a stop member at a desired location from a saw blade. A user can position a work piece, such as board lumber against the stop member to repeatedly position the work piece at a desired cut dimension with respect to a saw blade. The repetitive fence preferably employs a plurality of telescoping arms to position the stop member at the desired location, and an electronic read-out provided to indicate to the user the position of the stop member with respect to the saw blade. The telescoping arms can be motivated by electronic devices, such as an electric motor, or by a manual crank.