832results about How to "Light material" patented technology

The invention provides a 3D (three-dimensional) printer with an inclinable machine body. The 3D printer comprises a machine seat part and a 3D printer main body part, wherein the machine seat part is provided with a machine seat platform, a rotary platform, and worm wheel and worm motor devices which are used for respectively driving the machine seat platform to deflect and driving the rotary platform to rotate; the 3D printer main body part comprises a 3D printer main body, a deflectable nozzle, a fixed nozzle, a servo mechanism and an elevated working platform, wherein the 3D printer main body is arranged on the rotary platform of the machine seat, the deflectable nozzle and the fixed nozzle are arranged on a y-axis plate, and the servo mechanism is used for driving the deflectable nozzle. According to the inclination conditions of a cantilever and a cavity curved surface of a machined workpiece, the 3D printer performs no-support printing on the cantilever and the cavity curved surface of the machined workpiece through the rotation of the rotary platform of the machine seat and the deflection of a deflection surface of the machine seat as well as the deflection of the deflectable nozzle on the 3D printer main body part, thus hollow polyhedral, spherical and multilayer honeycomb structure workpieces can be machined, and the compatibility of two categories of 3D printing technologies is realized on the 3D printer. The machined multilayer honeycomb structure workpieces can be importantly applied to the fields of spaceflight, national defense and civil use.

The invention provides a novel composite cooker which comprises a cooker body with the thickness of 1.5 mm-5.0 mm. The thickness of the cooker wall is successively and progressively decreased by the 2 mm-3 mm space from the upper portion of the plane of a cooker bottom to the edge of the cooker wall. The cooker body comprises an inner layer cooker body and an outer layer cooker body, the inner layer cooker body is made of one of iron, iron-base alloy, stainless steel, titanium and titanium alloy, the outer layer cooker body is made of aluminum alloy or pure aluminum or AZ31B magnesium alloy or magnesium alloy, and a magnetic conduction energy storage layer is pressed on the outer surface of the outer layer cooker body. The materials of the inner surface of the cooker is healthful and sanitary, the heat conduction performance of the outer surface of the cooker is good, the outer surface is light in material, the magnetic conduction energy storage layer is arranged on the outer portion of the cooker bottom, the heat collection effect of the cooker bottom is increased, cooking energy consumption is reduced, and the application range of the cooker is expanded. The invention further provides a manufacturing method of the novel composite cooker. The method is easy to operate, saves materials, reduces cost, and is convenient to implement and beneficial to industrialization of the novel composite cooker.

The invention relates to a preparation method of a cellulose based 3D printing wire, and belongs to the field of biomass based 3D printing materials. The invention aims to provide a preparation method of a biomass based 3D printing material, which is low in production cost and can implement industrialization easily. The preparation method comprises the following steps: processing a cellulose raw material by virtue of polyethylene glycol (PEG:MW=400) in combination with a machine to prepare a cellulose polyethylene glycol dispersed solution smaller than 10 microns; flushing away polyethylene glycol by using dichloromethane to obtain a dichloromethane suspension of cellulose; adding a certain amount of silane coupling agent to perform surface silanization modification; adding modified cellulose, plasticizer polyethylene glycol and toughening agent solution into a dichloromethane solution of polylactic acid with certain concentration, mixing uniformly, and then recovering to remove a dichloromethane solvent by virtue of a condensing unit; and finally, performing extrusion molding at a certain temperature by virtue of a linear extrusion molding machine to prepare the cellulose based 3D printing wire.

The invention relates to a forging aluminum alloy wheel forging-rotational molding method, which combines the forging and rotational compressing techniques. In forging, molding part of spoke of wheel, and pre-molding the rim; then in rotational compressing, rotationally compressing the rim to complete the molding. Wherein, the rim is molded by forging, and the rim is mainly molded by rotational compression. The invention can combine the forging and rotational compression to express their advantages. And the inventive aluminum alloy wheel has better quality, high accuracy, less finish allowance, higher strength, and reduced material consumption.

In order to decrease the time (adhesion time in an adhesion step) for manufacturing an electromagnetic-wave shielding and light transmitting window material and a display panel, a top mold 43 and a bottom mold 44, which are made of a synthetic resin having high heat resistance, are disposed between a top and a bottom pressing plate 41 and 42, and a laminate is disposed between the molds 43 and 44. This laminate is formed of a transparent substrate 32A provided with an anti-reflection film 35, an adhesive interlayer film 34A used as an adhesive resin, an electrical conductive mesh 33, an adhesive interlayer film 34B, and a transparent substrate 32B provided with a black frame paint 36. While air in a molding space between the molds 43 and 44 is vacuum-evacuated via an exhaust port 45, a high-frequency voltage is simultaneously applied to the pressing plates 41 and 42 from a high-frequency power source 46, and in addition, the above laminate is pressed by the pressing plats 41 and 42 for a predetermined time. Accordingly, the interlayer films 34A and 34B is heated by induction heating and is cured, and as a result, the laminate is integrated.

The invention discloses a calibration system of humidity-temperature sensor, comprising a calibration chamber of which the top is provided with multiple to-be-measured sensor sockets for mounting to-be-measured sensors; an environmental chamber arranged below the calibration chamber and comprising a saturated salt solution container that is used for holding saturated salt solution and arranged in the heat transferring medium of a water bath tank, and the water bath tank; a temperature control chamber arranged below the environmental chamber and used for fast heating or cooling the water bath tank; a thermal container which is used for keeping the measurement environment stable and in which the calibration chamber, the environmental chamber and the temperature control chamber are arranged; and a control circuit for controlling the heating or cooling of the temperature control chamber. The invention also discloses a calibration method of humidity-temperature sensor. The invention realizes the calibration of humidity-temperature sensor by the same system, and is compactly structured, simple and practical. The calibration has small time consumption and is convenient for practical operation. The calibrating device of the invention is simple, has small volume, can realize portable measurement, has cheap material and low cost, and can be popularised and applied in large scale.

An organic EL function layer is formed in the following manner. Namely, relative scanning is carried out between a substrate and a function liquid droplet ejection head having introduced therein a light function material is selectively ejected toward the emitting function material. The light emitting substrate such that an organic EL function layer is formed on a multiplicity of pixel regions on the substrate. The work of ejecting the light emitting function material is carried out in an atmosphere of an inert gas.

The invention discloses a refrigerator door body which comprises a door frame, a door liner and an aluminum alloy panel, wherein the door liner and the aluminum alloy panel are fixedly connected with the door frame, a fixed seat is arranged on one side, deviated from the door liner, of the door framework in a protrusion manner, one side, deviated from the door frame, of the fixed seat is arranged to be a top wall, and the aluminum alloy panel is fixed on the top wall of the fixed seat. The invention further discloses a refrigerator. According to the refrigerator door body, the aluminum alloy panel is fixedly connected to the door frame, the fixed seat is arranged on the door frame in the protrusion manner, the aluminum alloy panel is fixed to the top wall of the fixed seat, and the aluminum alloy material is light, and the strength is large, so that the weight of the refrigerator door body is effectively reduced, and the strength of the refrigerator door body is improved.

Provided is a banana fiber using a banana stem which is an industrial waste as a raw material, a method for producing the banana fiber, a union yarn composed of a staple fiber of the banana fiber and other fiber and a fiber structure prepared from the union yarn. The banana fiber is obtained by drying peeled temporary stem of banana and opening the fiber so as to have 10-50 mm average fiber length and 0.5-80 dtex average fineness. The method for producing the banana fiber comprises a step (a) for cutting stems of banana, a step (b) for peeling and removing colored epidermis of stems, a step (c) for peeling much bark constituting stems to provide a unit bark, a step (d) for taking out a fiber bundle by pressing the unit bark by a press, a step (e) for drying the fiber bundle, a step (f) for obtaining a monofilament from the dried fiber bundle and a step (g) cutting the monofilament into a definite length and obtaining the staple fiber.

The invention discloses a high-strength aluminum alloy welding wire which comprises the following chemical compositions in percentage by weight: 2.5-3.5 percent of Cu, 2.2-3.2 percent of Si, 0.1-0.25 percent of Ti, 0.1-0.25 percent of Zr, 0.1-0.2 percent of Mn and the balance of Al. The preparation method comprises the following steps: melting and ingot-casting raw materials so as to prepare intermediate alloy of Al-Cu50, Al-Mn10, Al-Si30, Al-Ti10 and Al-Zr10; pouring the pure aluminum ingot into a crucible according to composition proportion, raising temperature, adding and melting the intermediate alloy of Al-Mn10, Al-Cu50, Al-Ti10 and Al-Zr10 in sequence according to composition proportion after the aluminum ingot is entirely molten; after melting is finished, raising the temperature to 800 DEG C for heat preservation for 15 minutes, pressing hexachloroethane into the bottom of the alloy liquid with a graphite hood, stirring to conduct degassing and slagging, wherein the using amount of the hexachloroethane is 0.3-0.4 percent of the amount of a furnace, scattering a little amount of scouring agent to remove surface float slag after finishing slagging-off; continuing to raise the temperature to 820-850 DEG C, fully stirring, and discharging; conducting pull-casting to prepare high-strength aluminum alloy cast ingot; then taking out and sawing the cast ingot into segments and peeling; putting the cast ingot into an extruder at the heating temperature of 330-380 DEG C for extrusion; and conducting wiredrawing in a wiredrawer, and annealing in the drawing process, thus obtaining high-strength aluminum alloy welding wires when achieving the standard diameter.

The invention provides a backlight unit which comprises a back plate (2), a light guide plate (4) arranged in the back plate (2), a back light source (6) arranged on the back plate (2), and a heat dissipating film (220) arranged on the back plate (2). The heat dissipating film (220) is made of grapheme and is 0.01-0.05 thick. The backlight unit is effectively improved in heat dissipating effect through the arrangement of the heat dissipating film made of the grapheme on the back plate, enables heat to be evenly distributed on the whole surface in the plane direction of the heat dissipating film, and removes local heat points. Moreover, grapheme materials are light, so that the further-arranged heat dissipating film made of the grapheme can not obviously increase the weight of the backlight unit.

The invention relates to a planting breeding circular economy sunlight greenhouse. The greenhouse comprises a shed body facing the sun and a shed body in the shade, wherein the shed facing the sun is used for planting, the shed in the shade is used for breeding, the two shed bodies are arranged back to back and share the same cavity wall, and the cavity wall is a biomass pool for converting the straws of planted crops and excrements of bred animals; the work shops of the two shed bodies are arranged inside the sheds; the shed cover of the shed in the shade is higher than that of the shed facing the sun, and the shed in the shade has one lighting surface facing the sun. As the two shed bodies are arranged back to back, namely the planting shed is arranged on the back of a thermal effect greenhouse for breeding poultry and livestock on a large scale, the breeding shed becomes the natural thermal insulation facility for the planting shed and the natural thermal insulation effect is much better than that of the common sunlight greenhouse. The invention converts wastes of the planting and breeding to methane used for heating the shed bodies without outsourcing energy; the greenhouse of the invention can also save land and protect arable land farthest, when building the greenhouse, the top soil in the planting shed is stacked up in the breeding shed and the top soil can become more fertile after being cured by the breeding organic feed for several years.

The invention discloses a simultaneous phosphorus and nitrogen removal light material, a preparation method and the application thereof, and belongs to the technical field of environment function materials and sewage disposal. A fusion mixture is obtained by sufficiently fusing and dispersing sulfur and an iron-based component, wherein the iron-based component is a pyrite and calcium magnesium carbonate mixture; and foaming treatment is carried out on the fusion mixture to form the simultaneous phosphorus and nitrogen removal light material. The simultaneous phosphorus and nitrogen removal light material disclosed by the invention has the characteristics of high porosity, large specific surface area, light weight and high reaction activity. The obtained light material, as a microbial carrier and an electron donor of biochemical reactions, is applied to the reactors, such as fixed beds and fluidized beds, for sewage disposal, and has the advantages of good microorganism adhesion property, high denitrification speed and good phosphorous removal effect.

A technology for manufacturing the squeezed Mg-alloy rod includes smelting Mg-alloy ingot, casting solid circular ingot, heating for 12-18 hrs, natural cooling, heating, squeezing and straightening. Its advantages are low specific weight and high rigidity.

The invention relates to a high cutting slope advanced supporting construction method which is characterized in that: before digging a high cutting slope, an advanced supporting pile is dug and constructed firstly, polystyrene foam carpet material with a certain thickness is arranged above the digging surface of the backing side of the advanced supporting pile, and then a pile body concrete is poured, so as to form a novel structure of the advanced supporting pile with the polystyrene foam material, after the advanced supporting structure has 70 percent of intensity, the high cutting slope is dug; by adopting the self deformation of the polystyrene foam material (EPS), the soil pressure on the advanced supporting pile is reduced and the section size and reinforcing bars of the advanced supporting pile are optimized, thereby greatly reducing the construction investment of the high cutting slope advanced supporting structure and ensuring the whole stability and construction safety of the high cutting slope.

A multi-purpose plastic cellular bundle for raising silkworms, storage of grains, culture of aquatic animals, etc is made up of non-toxic plastics or composite material.

The invention relates to a six-degree-of-freedom underwater moving platform. An open frame type structure is employed, so that the weight and the size of the platform are reduced and the platform is suitable for more kinds of working areas; various structure of the platform are controlled via cables and the bottom of the platform is provided with a welding control box, so that the function of real-time welding tracking of the platform is guaranteed and the welding quality is improved; the platform can be turned simply via air bags, so that the cost is reduced and the posture control of the platform is simplified; via two vertical propelling devices and four horizontal propelling devices, six-degree-of-freedom movement can be realized; by combining the platform movement posture control mode and universal wheels, a wall climbing function is fulfilled, and the platform can move freely on any working planes. With the platform structure and with the functions of wall climbing and real-time welding tracking, an open frame type underwater working robot which is novel and stable and is low in cost is realized.