59results about How to "Achieve thickness" patented technology

The invention discloses a reinforced alloy material; and a surface layer of the alloy material contains such elements as aluminum oxide, silicon dioxide and nanometer graphene. The alloy material is deeply extended on the basis of anodic oxidation, microarc oxidation and multi-component composite oxidation, and is a result under a complex effect of instant high temperature, multi-component composite oxidation liquid and nanometer penetrant through applying positive and negative high voltage, high current and positive and negative pulses by using unique structures, physical and chemical characteristics as ultrahigh hardness and high-temperature resistance, small size effects and surface and interface effects of such nanometer materials as nanometer graphene and nanometer silicon dioxide. The method comprises the steps of: (1) surface cleaning; (2) oxidation; and (3) penetration. The light alloy material after surface reinforcement by the method, in particular a combustion chamber of an internal combustion engine with fuel combustion consumption and generating a pollution source is prominent in reflection thermal insulation anti-carbon self catalysis function, and is higher in high-temperature erosion resistance and wear resistance.

The invention discloses an automatic paving method based on laser scanning and satellite positioning. The method comprises the following steps: importing design data: importing the design data of a paving pavement into a controller of a paver, and taking the design data as a basis for the comparison and correction of the paving pavement in actual paving; planning measurement stations: planning a plurality of monitoring control stations at two sides of a paving roadbed, and arranging laser emitters and/or differential satellite positioning receivers at the monitoring control stations; and performing real-time measurement paving: when the paver is used for paving operation, sending information to a resolver by the laser emitters and the differential satellite positioning receivers, transmiting the information to the controller by the resolver, and adjusting the direction of a screed correspondingly by the controller, so that the paving pavement generates gradient and elevation changes, pavement fluctuation is made up, and the pavement flatness and thickness required by design are achieved. The automatic control level of pavement paving is improved, the control precision is high, andmulti-machine joint paving is realized.

The invention relates to a method of processing the surfaces of light alloy, in particular to a method of processing the surfaces of aluminium alloy pistons and precision friction pairs. The method comprises the steps that (1) washing is performed; (2) oxidization is performed; (3) hole plugging is performed. Nanoscale metal matrix ceramic oxidation film layers with the density up to the standard are respectively grown on the aluminium alloy pistons and precision friction pairs processed in the method, the density is increased, the diameters of blind holes are decreased obviously, nanometer penetrant blind holes are sealed, roughness is reduced, the friction coefficient is reduced, and the geometric dimensions are unchanged basically. The aluminium alloy pistons and precision friction pairs processed in the method can be installed for use in a matched mode without finish machining, industrial mass production can be achieved, and the method reduces production cost greatly compared with original technical methods.

The invention discloses an electromagnetic detecting method for the thickness of non-metallic material, a metal plate with finite thickness is lain on the back of the detected surface of the non-metallic material with known thickness, the electromagnetic inductive probe with driving winding coil and testing winding coil is closed to the detected surface, the pumping signal is generated by the driving winding coil, the electromagnetic signal obtained by the testing winding coil is processed to get the data corresponding to the known thickness of the non-metallic material, the thickness model of non-metallic material (includes air) is established, in the actual measurement, the thickness of non-metallic material can be detected with the same method by aid of the model. Using the method, the thickness of non-metallic material with any structure can be detected, and it can reach the measuring goal for the thickness of non-metallic material conveniently, speedily and effectively.

The invention discloses an optical fiber sensor capable of detecting thickness and temperature of a lubricating oil film of a sliding bearing simultaneously, and the sensor comprises an optical fiber probe, a light source, a photoelectric conversion and filtering amplification module, and a collection processing and display module. The optical fiber probe comprises one transmitting optical fiber TF, and two groups of receiving optical fibers: the first group of receiving optical fibers RF1 and the second group of receiving optical fibers RF2. There is a distance difference between an end face of the first group of receiving optical fibers RF1 and an end face of the second group of receiving optical fibers RF2. The light source is used for providing the incident light for the transmitting optical fiber TF of the optical fiber probe. The output end of the optical fiber probe is connected with the collection processing and display module through the photoelectric conversion and filtering amplification module. The sensor achieves the detection of the temperature of oil while achieving the detection of the thickness of the lubricating oil film, and achieves the temperature compensation of a thickness detection result of the oil.

The invention discloses a hollow core energy transfer mid-infrared fiber and a preparation method thereof. The fiber is applied to a quantum cascade laser, has a hollow tubular shape and comprises a fiber cladding, an air core therein and a fiber polymer protective layer disposed on the outer surface of the fiber cladding, wherein the fiber cladding comprises alternating spaced polymer layers andchalcogenide glass layers containing tellurium elements. In the hollow core energy transfer fiber cladding provided by the invention, the chalcogenide glass layers and the polymer layers are periodically spaced to form a photonic band gap structure. Since the cladding contains tellurium elements and the two materials have a high refractive index difference, a wide transmission range (covering 3-20[mu]m) and low loss therein are ensured. In addition, the core contains an air medium to increase the damage threshold of the fiber. Therefore, the fiber provided by the invention can be applied to the quantum cascade laser and rationally designs the above periodic structure to realize the adjustability of the transmission band. In addition, the polymer makes the fiber light, flexible and portable, thereby enabling the portable transmission of laser from the quantum cascade laser.

The invention discloses a metal layer pulsed eddy current thickness measurement method. The phase jump point of a signal in a time-frequency domain acts as thickness measurement characteristic quantity, a pulsed eddy current detection experiment is performed on multiple standard test pieces of which the thickness is known, and a relation curve between the metal layer thickness and the phase jump point is established and acts as a thickness calibration curve to assist completion of thickness measurement of workpieces to be measured in actual detection. According to the method, extraction of the thickness measurement characteristic quantity is extended to the time-frequency domain from a time domain, and resolution of the signal for parameters to be measured is fully utilized so as to be particularly suitable for thickness measurement of a nonmetal coating layer or a multilayer metal structure. Besides, thickness measurement is realized by utilizing the phase so that probe lift-off interference and metal layer thickness change can be effectively distinguished, anti-interference capacity of detection can be enhanced and accuracy of the measurement result can be guaranteed in comparison with the existing device method of directly adopting the time-domain characteristic quantity.

The invention discloses a geometric constraint calculation technology suitable for free deformation parameterization. The geometric constraint calculation technology comprises an intersection point calculation method for intersection of a space passing point Op and a geometric appearance curved surface in the set direction, a thickness constraint calculation method and system applying the intersection point calculation method, and a volume constraint calculation method and system applying the intersection point calculation method. The intersection point calculation method comprises the following steps of: 1, performing triangular gridding on an initial geometric appearance curved surface, and converting the initial geometric appearance curved surface into a discrete curved surface consisting of a plurality of triangular planes; 2, calculating a coordinate of an intersection point O'p of a space passing point Op and a triangular plane in the discrete curved surface in a Cartesian coordinate system along a set direction; 3, constructing a B-spline-based FFD control body for the geometric shape curved surface, embedding the intersection point O'p into the FFD control body, and performing FFD control on the geometric shape curved surface; and calculating the parameterized local coordinates of the intersection point O'p in the FFD control body. The method can efficiently calculate the local coordinates of the intersection point of the spatial point and the geometric profile curved surface in the FFD control body along the set direction, and realizes the calculation of geometric constraints under free deformation parameterization.

The invention relates to a polypropylene composition showing a high melt flow rate and simultaneously high stiffness and a process for the production thereof. The invention further relates to a material comprising the inventive polypropylene.

The present invention discloses a calculation method for calculating the thickness of the loosened zone of the soft coal and rock of a deep roadway and a measurement device based on the method. The calculation method comprises the steps of (1) defining the distance between the initial position of a measuring point and the surface of a roadway to be r and the displacement of the measuring point to be u, and constructing an expression of u varying with r, wherein the measuring point is in the drill hole of the soft coal and rock of the deep roadway and is within the range of the loosened zone, u0, k1 and k2 are coefficients; (2) measuring the varying process of the u of more than two measuring points along with r, and calculating the values of k1 and k2; (3) inputting the obtained values of k1 and k2 into the following equation of L=-k2ln(20k2/k1), and calculating the value of the thickness L of the loosened zone of the soft coal and rock of the deep roadway. The calculation method is simple, reasonable and easy to implement, and high in calculation accuracy. Obvious errors caused by the empirical estimation can be avoided. Meanwhile, the measurement device is simple in structure and convenient in operation, which can be well be applied to the calculation method of the present invention. In this way, the engineering detection on the thickness of the loosened zone of the soft coal and rock of the deep roadway and the real-time display of the thickness are realized.

The invention discloses a multilayer antenna structure and an antenna. The multilayer antenna structure comprises an upper layer dielectric substrate, a middle layer dielectric substrate, a lower layer dielectric substrate and a reflection plate which are sequentially arranged, wherein the upper surface of the upper layer dielectric substrate is provided with parasitic patches; the middle layer dielectric substrate and the upper layer dielectric substrate are arranged at an interval, the upper surface of the middle layer dielectric substrate is provided with radiation patches, and the lower surface of the middle layer dielectric substrate is integrally attached with a first metal grounding layer; the upper surface of the lower layer dielectric substrate is arranged in a mode of clinging to the lower surface of the middle layer dielectric substrate, the lower surface of the lower layer dielectric substrate is provided with a feed structure, the upper surface of the lower layer dielectric substrate is integrally attached with a second metal grounding layer, and the feed structure and the radiation patches are connected through metal probes; and the reflection plate is located at the lower surface side of the lower layer dielectric substrate, and an interval of the reflection plate and the lower layer dielectric substrate is provided with an air layer. The multilayer antenna structure disclosed by the invention solves a technical problem that the antenna cannot give consideration to both performance and thickness requirements.

The intelligent guniting robot comprises an other storage area, a spare part storage area, a slurry box and a bottom plate, a supporting plate is installed above the bottom plate, the slurry box is installed at one end of the supporting plate, and a standby material B area and a standby material A area are arranged on one side of the slurry box; other storage areas and spare part storage areas are arranged on the sides, away from the slurry box, of the standby material B area and the standby material A area, walking wheels are installed on the surface of the bottom end of the bottom plate, a rotating disc is rotatably installed on the surface of the top end of the slurry box, a mechanical arm is movably installed on the rotating disc, and a spray gun is installed at the end, away from the rotating disc, of the mechanical arm; and spray heads are uniformly mounted on the spray gun. The method has the advantages that site construction is facilitated, the guniting efficiency is improved, and the guniting effect is ensured.

A method for producing a finishing layer containing a window (104) for a portable data storage medium, in particular a chip card, and the use of the method for producing a data storage medium. A transparent plastic-based support layer (28) is used and an opaque color layer (30) is applied on the support layer in a screen printing process, wherein the color layer (30) has a recess (32) having the dimensions of the window (104). A first layer (40) of a transparent primer is then screen printed onto the color layer and a design color layer (50) is then applied in an offset printing process onto the first layer. A second layer (60) of a transparent primer is applied in an offset printing process on top of the design color layer (50) and a transparent finish (70) is finally applied onto the second layer (60).

The invention relates to an automobile paint thickness measuring apparatus and method. The apparatus comprises a U-shaped iron core, a phase lock amplification circuit and an A/D conversion module. The U-shaped iron core is embedded by a tunnel junction magnetic sensor, and is winded by a plurality of turns of field coils which are in connection with a constant current source; the output terminal of the tunnel junction magnetic sensor is in connection with the phase lock amplification circuit; the phase lock amplification circuit is in connection with the A/D conversion module; the A/D conversion module is in connection with a single chip microcomputer. The tunnel junction magnetic sensor samples signals; the field coils are in connection with constant current signals of 1KHz square waves; the output terminal of the tunnel junction magnetic sensor outputs voltage signals of the 1KHz square waves; the voltage signals are inputted into the phase lock amplification circuit to be converted into volt level signals, which are then converted by the A/D conversion module and are finally calculated by the single chip microcomputer. The apparatus and method employ the nanometer level tunnel junction magnetic sensor and weak signal phase lock treatment technologies to realize a plurality of functions such as paint thickness measurement and data transmission, and have the advantages of small size, high precision, low energy dissipation, etc.

The invention discloses a three-axis workpiece clamping seat for a digital controlled lathe. The three-axis workpiece clamping seat for the digital controlled lathe comprises a lathe base, a first screw rod, a slide rail, a displacement seat and a clamping sleeve, wherein the first screw rod and the slide rail are arranged on the lathe base; a first motor is arranged on the side of a first axial plate; the clamping sleeve is located above a second axial plate; two perpendicularly distributed vertical plates are arranged on the side of the clamping sleeve; the clamping sleeve is rotatably connected with the vertical plates through cross shafts; and meanwhile, first driving wheels are arranged on the end heads of the cross shafts. According to the three-axis workpiece clamping seat for the digital controlled lathe, through a way of embedding the second axial plate in a first axial plate, the thickness of the whole clamping seat is reduced on the basis of realizing bi-axis movement; and by matching with the inner structure design of the second axial plate, the aim of automatically and perpendicularly turning over a workpiece is achieved, the processing efficiency of the workpiece is greatly improved, and the labor cost is further reduced.

The invention relates to the technical field of waterproof coatings, in particular to a single-component polyurethane waterproof coating capable of being formed through one-time construction and application of the single-component polyurethane waterproof coating. The single-component polyurethane waterproof coating is prepared from the following raw materials: 25 to 30 parts of polyether glycol, 3 to 6 parts of polyether triol, 8 to 12 parts of diisocyanate, 10 to 20 parts of plasticizer, 30 to 45 parts of filler, 1 to 2 parts of pigment, 0.1 to 0.3 part of catalyst, 0.2 to 0.5 part of antioxidant, 0.2 to 0.5 part of ultraviolet light absorber, 0.2 to 0.4 part of defoaming agent, 0.3 to 0.5 part of dispersing agent, 1 to 2 parts of thixotropic agent, 0.2 to 0.4 part of base material wetting agent and 0.1 to 0.2 part of adhesion promoter. Wherein the thixotropic agent is a mixture of modified bentonite and a polyurea thixotropic agent in a mass ratio of (1-1.6): 1. The single-component polyurethane waterproof coating provided by the invention can realize the technical effect of 1.4-1.6 mm thick coating construction at one time.

Coin, medal or casino token with a first side and a second side, comprising at least one first layer (1) made of a first material and at least one second layer (2) made of a second material, wherein the first layer (1) is between 10 [mu]m and 90 [mu]m, preferably 20 [mu]m thick. The invention further relates to a method for producing a coin wherein the coin is produced, more particularly punched, from a plated sheet-like composite material, and to a method for producing a coin wherein the coin is formed from a ring (5) and a core (4) arranged inside the ring, wherein the core and the ring are punched from a plated sheet-like composite material and subsequently the core (4) is inserted rotated into the ring (5) and is fixed therein.