80results about How to "Avoid Dimensions" patented technology

The present invention is a method for surveying, monitoring and auditing cell towers and antennas emitting radiation such as radio frequency and infra-red radiation using unmanned aerial vehicles. The method employs vertical measurements of signal strength, interference and radiation with a mobile platform for evaluating test data and optimizing network performance and safety. The invention is particularly suited for monitoring and auditing RF antennas situated in a variety of terrains.

A substrate processing apparatus comprises an indexer block, an edge-cleaning processing block, an anti-reflection film processing block, a resist film processing block, a development processing block, a resist cover film processing block, a resist cover film removal block, a cleaning/drying processing block and an interface block. An exposure device is arranged adjacent to the interface block of the substrate processing apparatus. In the exposure device, exposure processing is applied to a substrate by a liquid immersion method. In the edge-cleaning processing group in the edge-cleaning processing block, an edge of the substrate before exposure processing is cleaned.

A financial transaction card is supplemented by position determining means which determines position coordinates for the card. The determined position is compared with a predetermined position stored in the memory to provide bearing data on the predetermined position from the position of the card. The card also includes a display for indicating the bearing. The card is particularly useful for indicating the bearing of the Kaaba from the position of the card.

A display device includes a pair of glass substrates. On the side of each of the pair of glass substrates, a press mark is formed between a first end of each of the pair of glass substrates and a position at least 0.3 mm but no more than 3 mm away from the first end, another press mark is formed between a second end of each of the pair of glass substrates and a position at least 0.3 mm but no more than 3 mm away from the second end, a scribing groove having a predetermined scribing amount is formed between the press marks, and there are rib marks in the scribing groove.

The invention discloses a two-sided drilling combined machine tool and relates to the technical field of cold machining machine tools. The two-sided drilling combined machine tool comprises a control box, a main motor and a rack, wherein a conveying belt is arranged in the middle of the rack; the control box is arranged on one side of the feed side beside the rack; the main motor is connected with the conveying belt by a transmission mechanism; workbenches are arranged on the top of the rack; the workbenches are arranged at two sides of the conveying belt; bottom hole processing devices, orifice chamfering devices and tapping devices are symmetrically arranged at two sides of the conveying belt; the main motor, the bottom hole processing devices, the orifice chamfering devices and the tapping devices are connected with the control box; clamp bodies are arranged on the conveying belt at intervals; the clamp bodies are used for clamping to-be-processed box bodies; and two ends of the clamp bodies are matched with the workbenches at two sides by pin rollers. The main motor drives the conveying belt to drive the to-be-processed box bodies clamped on the clamp bodies to pass bottom hole processing work stations, orifice chamfering work stations and tapping work stations in sequence, so that drilling and tapping are finished, the labor and material consumption is reduced, and the processing efficiency is improved.

The invention discloses an artificial intelligence sheet metal part producing system. The system comprises a material supply unit (1), a formed sheet metal part automatic taking and stacking unit (2), an intelligent logistics carrying and transporting unit (3) and a centralized electronic control unit (7). The formed sheet metal part automatic taking and stacking unit comprises a plurality of counting and stacking devices (22) arranged nearby the discharging end of a sheet metal machining device (8); each counting and stacking device comprises a grabbing and stacking part II(221), a stacking bracket (222) and an electronic control part; and each stacking bracket comprises a plurality of containing spaces (2221) evenly arranged in the horizontal and vertical direction and an electronic control mechanism. According to the artificial intelligence sheet metal part producing system, the grabbing and stacking parts II controlled by a microcomputer stretch into the sheet metal machining device and are used for grabbing punched and formed sheet metal parts from the discharging end and sequentially stacking the sheet metal parts in the containing spaces of the stacking brackets, and the artificial intelligence sheet metal part producing system is a digital control system and can be seamlessly connected with a digital bus in a factory to achieve centralized digital management.

An cylindrical convex portion of which opposite ends are open is integrally formed onto a fuel tank made of HDPE therewith so as to inwardly extend in the fuel tank to provide an opening thereon. A press-fit portion of a filler hose connecting pipe made of PA as a tubular member is press-fitted in the cylindrical convex portion to connecting the tubular member to the fuel tank. At least one continuous annular projection is provided on the outer peripheral surface of the press-fit portion of the tubular member so as to bite into the inner peripheral surface of the cylindrical convex portion to provide continuous circumferential contact. A face of the annular projection in direction axially of one end of tubular member is formed so as to extend outwardly and inclinedly with respect to the axial direction of the tubular member form one end toward the other end thereof.

A server rack system includes a rack, servers, and a heat-dissipating wall. The rack has guiding rails, a front end, and a rear end opposite to the front end. The servers slidably configured on the guiding rails and in the rack are adapted for being moved into or out of the rack from the front end. The heat-dissipating wall is pivoted to the rear end and adapted for being folded against or unfolded away from the rear end. The heat-dissipating wall includes a fan wall. Fans lie on the fan wall. The fans are adapted for sucking cool air, such that the cool air enters the rack from the front end and passes through the servers. Heat exchange between the cool air and the servers is carried out to generate hot air that flows out of the rack through the heat-dissipating wall to dissipate heat of the servers.

An underwater cutting device for the handle of MTR plate-type fuel has a housing that has an accommodation space for a feed pneumatic cylinder to drive a slidable base for lateral movement. And in front of the accommodation space there is a cutting chamber. A primary motor is located on the slidable base to drive the saw blade inside the cutting chamber to move and cut laterally with the slidable base that is driven by the feed pneumatic cylinder. A positioning block is located on the side with the housing and in the moving path of the saw blade. In the positioning block there is an accommodation space to hold the MTR plate-type fuel. Above the positioning block there is at least a pressing pneumatic cylinder to immobilize the MTR plate-type fuel and facilitate the saw blade to cut and remove the handle of MTR plate-type fuel. On the side of the bottom of the cutting chamber there is a filtration motor to absorb the metal cutting debris and deliver the debris through a conduit to the filter frame that contains filter for filtration.

A charged particle beam writing method includes inputting design pattern data, virtually dividing a writing area to be written with the design pattern data into a plurality of small areas in a mesh-like manner, calculating a pattern density in each of the plurality of small areas based on the design pattern data, calculating a resizing amount for each pattern density in a case of irradiating a charged particle beam at an isofocal dose, resizing a dimension of the design pattern data in each of the plurality of small areas, based on the resizing amount in each of the plurality of small areas, and writing a resized design pattern on a target workpiece with the isofocal dose corresponding to the pattern density which was calculated before the resizing in each of the plurality of small areas.

According to the charge pump circuit, a constant current charging and discharging circuit using follower circuits is interposed at current paths in charging and discharging a capacitor for stepping up. Transistors of the follower circuits are alternately made ON in accordance with a clock signal inputted from a signal input portion for switching to connect the capacitor for stepping up and restricting a current in cooperation with resistors or the like.

An apparatus is constructed by accommodating in one dust-proof room 11, a concave-mold first cleaning device 21 which abrades the convex-surface forming surface 101 of a concave mold 1, a concave-mold second cleaning device 22, a concave-mold drying device 23, a convex-mold first cleaning device 24 which abrades a concave-surface forming surface for a lens, a convex-mold second cleaning device 25, a convex-mold drying device 26, an inversion device 30 which inverts the concave mold 1 or a convex mold 2 up or down, a positioning device 50 which brings the geometric centers of the concave mold 1 and the convex mold 2 into coincidence and then arranges them in opposition, and a tape winding device 60 which winds an adhesive tape onto the peripheral surfaces of the concave mold 1 and convex mold 2 so as to seal the gap between these molds, thereby to provide the lens-casting-mold assembling apparatus which can efficiently assemble a lens-casting-mold assembly, and which saves space.

The invention provides an integrated device for angular alignment and detection of turbine supporting casing support plates, and relates to the technical field of manufacturing of aeroengine turbine supporting casing assemblies. The technical problems of difficult angular size control, size tolerance, unstable part processing and low qualification rate of six support plates of a turbine supportingcasing rear housing support in the prior art are solved. The problem that product delivery is seriously restricted is solved. The problem that the progress of model development is affected is solved.The device comprises a base, support plate correction devices, support plate detection devices, and a fixing device which is used for fixing the turbine supporting casing rear housing support on thebase. The support plate correction devices and the support plate detection devices are arranged on the base. A set of support plate correction device and support plate detection device are correspondingly arranged on each end, which is corresponding to the turbine supporting casing rear housing support, of six support plates. The device provided by the invention is used for angular alignment and detection of the turbine supporting casing support plates.

A brushless motor includes a stationary unit and a rotary unit rotatably supported with respect to the stationary unit. The stationary unit includes an armature and a base member arranged to support the armature. The rotary unit includes a magnet, a hub made of a magnetic material and a rotor yoke made of a magnetic material. The armature includes a plurality of coil patterns arranged along a circumferential direction. The hub includes an inner lower surface, an outer lower surface and a recess portion. The recess portion is arranged between the inner lower surface and the outer lower surface and depressed upward. At least a portion of the magnet is accommodated within the recess portion. At least one of the inner lower surface and the outer lower surface is positioned above a lower surface of the magnet.

The invention discloses a precision machining method for high-precision U-shaped low-rigidity bearing block type parts. The method comprises steps as follows: 1, materials are prepared; 2, rough machining is performed, the parts are machined and shaped, and all outlines reserve the machining allowance; 3, stress ageing is eliminated, and the residual stress produced by rough machining is eliminated; 4, semi-finish machining is performed, and except that assembling datum surfaces, mounting holes of bearings, end surfaces of the bearings and important mounting connecting holes reserve the machining allowance, other machining characteristics meet size requirements; 5, stress ageing is eliminated again, and the residual stress produced by semi-finish machining is eliminated; 6, finish machining is performed on the assembling datum surfaces, the mounting holes of the bearings, the end surfaces of the bearings and the important mounting connecting holes. The datum-uniform and datum-first principles are adopted in the process, auxiliary tools are designed to reduce trembling and improve the rigidity of the parts, meanwhile, the influence of machining elastic deformation is considered in control on central high sizes, and certain correction margins are reserved. With the method, the percent of pass of the high-precision U-shaped low-rigidity bearing block type parts is guaranteed.

An apparatus for starting an engine, including an inertia-engagement-type starter. In the apparatus, a starter-characteristic switching mechanism is configured to switch an output characteristic of the starter between a plurality of output characteristics including at least a low-torque high-speed characteristic and a high-torque low-speed characteristic, where the output characteristic of the starter is hereinafter referred to a starter characteristic. A timing controller is configured to control when the starter-characteristic switching mechanism switches the starter characteristic such that the starter characteristic is set to the high-torque low-speed characteristic from initiation of actuation of the starter at least until a pinion successfully meshes with a ring gear, and after the pinion has successfully meshed with the ring gear, the starter characteristic is switched from the high-torque low-speed characteristic to the low-torque high-speed characteristic at which the engine is cranked by the starter.

The invention provides a preparing method of 2Cr12NiMo1W1V blade surface Al coating, comprises the following steps: cleaning and drying the to-be-repaired blade, soaking the blade in a sodium hydroxide aqueous solution at temperature of 70-90 DEG C and concentration of 80-100g/l, reacting for 50-80min, taking out the blade, washing residual bath solution on the blade by using tap water, performing sand blasting on the blade surface by using white emery, checking defect of blade, and preparing new Al coating by using a manual coating mode. The method provided by the invention overcomes the problems that the size of the blade manufactured by using a machining method is out of tolerance and the acid pickling can corrode the substrate; the size of the blade is precisely guaranteed to meet the design standard, the reuse rate of the reworking blade is improved; the cleanliness of the blade surface is guaranteed, and the combining strength of the coating and the blade is improved; the blade repaired by the method is good in use effect, the corrosion resistance, the coating roughness and the combining strength meet the design requirements, the production cost is low, the operation is convenient, and the application prospect is wide.