141results about How to "High product precision" patented technology

PCT No. PCT/EP97/06574 Sec. 371 Date Jun. 6, 1999 Sec. 102(e) Date Jun. 6, 1999 PCT Filed Nov. 25, 1997 PCT Pub. No. WO98/24496 PCT Pub. Date Jun. 11, 1998A medicament dosing system comprises a replaceable unit and a permanent unit. The replaceable unit comprises a fluid reservoir for receiving therein a pressurizable liquid medicament, a temperature sensor for detecting the temperature of said liquid medicament, a fluid channel which is provided with a flow resistor and which is in flow communication with the fluid reservoir, and a hose means which is connected to the fluid channel. The permanent unit comprises a squeezing valve means for squeezing the hose means together, and a control means which is coupled to the temperature sensor and the squeezing valve means so as to control a flow rate of the liquid medicament by clocked actuation of said squeezing valve means depending on the temperature detected. Alternatively, the temperatur sensor can be arranged in the permanent unit.

An elastic micro probe includes an electrically conductive and stretchable spring, which has a first end, a second end opposite to the first end, and connection points disposed adjacent to the first end for connection to an external element, an electrically conductive probe body, which has a first end connected to the second end of the spring and a second end vertically upwardly protruding over the first end of the spring, and an electrically conductive tip, which has a bottom side connected to the second end of the probe body such that when the tip is pressed, the probe body is forced to move the second end of the spring, thereby causing the spring to be stretched and elastically deformed.

A thermally highly loaded machine component (10), which is protected from overheating by film cooling, is provided with conical cooling passages (30) of circular cross section. The cooling passages are designed so as to be divergent from the cold-gas side (13) toward the hot-gas side. The conical cooling passages, as compared with cylindrical passages with regard to the mass flow of cooling medium (35) fed through the cooling passages, are substantially less dependent on the pressure ratio between the cold-gas side (13) and hot-gas side (14) of the component. The straight conical cooling passages of round cross section throughout may be produced in a very simple manner by laser drilling, with a convergent cutting beam being used for the machining.

The invention discloses a flexible passivating processing method for a superhard cutting tool and a flexible passivating processing device thereof. The flexible passivating processing method comprises the steps as follows: superhard or high-hardness grinding material is mixed with an aqueous phase according to a predetermined proportion to form a water-base passivating medium that is put in a container; a turbine impeller is arranged in the container; the turbine impeller drives the water-base passivating medium in the container to rotate towards the same direction; the superhard cutting tool is clamped by a clamp; a cutting edge of the superhard cutting tool is dipped into the water-base passivating medium in the container, and the clamp is led to drive the superhard cutting tool to rotate in the water-base passivating medium at the same time; the rotation direction of the clamp and the superhard cutting tool is opposite to that of the water-base passivating medium; and the flexible passivating treatment on the superhard cutting tool can be achieved through the friction which is generated by the reverse rotation of the water-base passivating medium relative to the superhard cutting tool. By adopting the flexible passivating processing method, the problem that in the prior art, passivating treatment is carried out on the superhard cutting tool can be solved effectively; and the flexible passivating processing method has the characteristics of simplicity and easiness in implementation.

A light adjusting apparatus according to the present invention includes a first substrate and a second substrate having an optical aperture, a rotating shaft member which has been rotatably installed with respect to the first substrate and the second substrate, a light adjusting unit which is joined to the rotating shaft member, and a driving unit which moves the light adjusting unit by driving to rotate the rotating shaft member. Light which passes through the optical aperture is adjusted by moving the light adjusting unit by rotating the rotating shaft member by the driving unit. The light adjusting unit has a notch, and the rotating shaft member and the light adjusting unit are joined at the notch.

The invention belongs to the technical field of spinning formation, and provides inner spinning equipment. The inner spinning equipment comprises a spinning machine tool body, a core mold, an inner spinning module with a rotating wheel, a first rotating wheel arm and a lateral slide frame, an inner spinning module longitudinal feeding mechanism, a transverse feeding mechanism, a balance wheel mechanism and a pressing ring; one end of the core mold is connected with a main shaft of the spinning machine tool, and is driven to rotate by the main shaft; one end of a blank is positioned in a cavityof the core mold, and the other end is connected to the other end of the core mold by the pressing ring; the first rotating wheel arm is L-shaped, one end is rotationally connected with the rotatingwheel, and the other end is connected with the lateral slide frame; the lateral slide frame is connected with the inner spinning module longitudinal feeding mechanism; the inner spinning module longitudinal feeding mechanism and the transverse feeding mechanism are positioned on one side of the main shaft; the inner spinning module longitudinal feeding mechanism is connected with the transverse feeding mechanism; and the balance wheel mechanism is positioned on the other side of the main shaft. Products produced by the inner spinning equipment have the characteristics of high precision, high yield, high production efficiency and the like, and are suitable for batch production.

It is an object of the present invention to provide a miniaturized, high-precision, easy, and low-cost dynamic pressure bearing device and a manufacturing method thereof. In manufacturing a dynamic pressure bearing device, a first and a second ring-shaped member are fixedly fitted to an outer peripheral surface of a rotating shaft member to constitute a rotating portion, an intermediate member is disposed between these members to constitute a fixed portion, a thrust bearing portion is formed in gaps between the first and second ring-shaped members and the intermediate member, and a journal bearing portion is formed in a gap between the rotating shaft member of the rotating portion and the intermediate member, the first and second ring-shaped members being fixed only with an adhesive applied on surfaces thereof which is to be fitted to the rotating shaft member.

The invention discloses a quick hydraulic control device of a hydraulic injection molding machine. A control signal of a servo driver is connected with a driver; the driver is connected with a servo motor; the servo motor drives an oil pump to run; an inlet of the oil pump is connected with a filter; an oil tank is arranged below the filter; an oil pump pressure sensor is mounted at an outlet of the oil pump; a valve opening A of a unidirectional cartridge valve is connected with the outlet of the oil pump; a valve opening B of the unidirectional cartridge valve is connected with a valve opening A of a pressure valve insertion piece; a valve opening B of the pressure valve insertion piece is connected with the oil tank; a valve opening P of a direction cartridge valve is connected with the valve opening A of the pressure valve insertion piece; a valve opening T of the direction cartridge valve is connected with the oil tank; the valve openings A and B of the direction cartridge valve are connected with two cavity valve openings of an oil cylinder; and an oil cylinder pressure sensor is connected with the valve opening P of the direction cartridge valve. The quick hydraulic control device of the hydraulic injection molding machine guarantees long service lives and stable work of the motor and the oil pump and ensures that a hydraulic system works normally; a high-flow working condition is met; furthermore, the quick hydraulic control device is high in response speed and high in control precision and ensures that the injection molding speed is high and different working stages are switched; and the production efficiency and the precision of a product are improved.

The invention provides a laser processing system of a brittle material base plate. The system comprises a working table, a laser irradiation device, a moving mechanism and a control device, wherein the working table is used for carrying the brittle material base plate; the laser irradiation device is used for performing laser irradiation on the brittle material base plate according to the preset laser irradiation conditions; the moving mechanism is used for making the working table move according to a specific moving track; and the control device is used for forming a virtual part according to the preset parameters of a final to-be-formed part of the brittle material base plate, showing and storing the virtual part and controlling processing of the brittle material base plate according to the stored virtual part. By means of the laser processing system of the brittle material base plate, processing of two-dimensional or three-dimensional parts of the brittle material can be achieved, the production quality is high, and the positive effects of saving time and reducing error rate are achieved.

A vehicle pressure vessel and manufacturing method which uses a vessel main part, an arched base, an arched cover, and one or more cross-webs connecting opposite walls of the vessel main part. The vessel main part is open at its top and bottom over which the cover and base respectively fit to close the vessel main part in a pressure-tight manner. A groove is embossed in the cross-webs where they connect to the opposite walls of the vessel main part. The cover and base each have an attachment rim that fits into the grooves when the cover and base are connected to the vessel main part.

The invention relates to a rapid forming method of a thermoplastic fiber-reinforced composite material plate. The rapid forming method is characterized by comprising the following steps that (1) forming equipment and materials are prepared, specifically, the special equipment with presoaking, laying, superimposing, temperature control and pressure control, vacuum lamination forming, cutting, heating and mould pressing forming structures is arranged, a resin solution with a thermoplastic-forming function and the fiber-reinforced materials are prepared; (2) the fiber-reinforced materials are soaked into the resin solution with the thermoplastic-forming function, and fiber glue pieces are prepared; (3) the fiber glue pieces obtained in the step (2) are superimposed by 1-5 layers, the superimposed fiber glue pieces are placed in a vacuum press with a programmable temperature control and pressure control function, and a thermoplastic fiber-reinforced laminated composite material is prepared; (4) a mould plate is cut; (5) the mould plate is heated and softened; (6) mould pressing forming is conducted; and (7) the finished product is prepared. The rapid forming method of the thermoplastic fiber-reinforced composite material plate has the characteristics and beneficial effects of high mechanization degree, short processing period, high efficiency, low product cost and the like.

The invention discloses an intelligent material plasticizing single-line production device. The intelligent material plasticizing single-line production device comprises an extrusion forming machine, a cooling mechanism, a discharging traction mechanism and a cutting mechanism. The extrusion forming machine enables plastic particles to enter an extrusion cavity from a hopper to be subject to heating melting and be uniformly stirred through the real-time control over a motor and a heating piece by a controller, and finally the plastic particles are extruded out of a discharging opening of a die head; and an extruded product is linearly pulled to penetrate a cooling groove of the cooling mechanism under the effect of the discharging traction mechanism, the product is subject to cooling shaping, and the product obtained after cooling shaping is cut into the product of the needed length through a cutting mechanism. When the intelligent material plasticizing single-line production device is used, the production process of the product is simple in working procedure, the production efficiency is greatly improved, and due to the fact that the production process of the whole product is controlled and coordinated in real time through the controller, the automation degree and the product precision are greatly improved, the cost is saved, and the production efficiency of the product is improved. Meanwhile, the produced product is uniform in color, the single-color effect of the product is good, and the appearance is attractive.

The invention relates to a multifunctional continuous die. The multifunctional continuous die comprises an upper die plate, a convex die and a lower die plate and is characterized in that a convex die fixing plate and a pressing plate are fixed to the upper die plate, the convex die is pressed into the convex die fixing plate, a spring is arranged between the convex die fixing plate and the pressing plate, a guide pin is arranged in the pressing plate, a concave die and a guide plate are fixed to the lower die plate, and the concave die is provided with a side edge, a step pitch locating block, a floating pin, an initial locating pin and a punching, flanging and blanking cavity. According to the invention, general equipment is adopted for production, so that the investment cost of the equipment is greatly lowered and the utilization rate of the equipment is increased, and the work efficiency and the product accuracy can be greatly improved.

The invention relates to a high-straight-edge splint-type bending correction mould which comprises an upper template and a lower template; a male mould, a tapered wedge and a limit block are fixed on the upper template; a pin shaft and a female mould are arranged on the lower template; an open and close splint is arranged on the pin shaft; and one side of the female mould is provided with a fixedsplint which is fixed on the lower template. According to the bending correction mould disclosed by the invention, the working efficiency and precision can be improved; the investment cost of equipment is reduced; the utilization rate of the equipment is improved; and the mould is tightly locked with the splint through the tapered wedge so that the plastic deformation of materials can be restrained, and a workpiece is fetched and placed conveniently; a bottom touching correction method is adopted so that the workpiece has stable angle and flat bottom.

The invention discloses a dense PCB (printed circuit board) circuit and a manufacturing method. The manufacturing method comprises the following steps of A, performing micro-etching treatment on an inner layer of a PCB, and roughening the PCB; B, pressing and drying a film on the PCB; C, standing for a period of time, and exposing; sequentially developing and etching. The manufacturing method has the advantages that the surface of the PCB is roughened, so as to solve the problem of bonding force of the dry film, avoid the open-loop notch, and improve the product quality and precision of a product.