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46results about How to "Reduce edge" patented technology

Solution film formation method and device of organic material

The invention belongs to the technical field of preparation of a film material, and discloses a solution film formation method and device of an organic material. The method comprises the following stages of dissolving the organic material in a mixed solvent containing a high-boiling point solvent and a low-boiling point solvent, and depositing the organic material on a substrate by a film formation technology to obtain a liquid film; and carrying out normal-pressure evaporation on the substrate containing the liquid film under conditions of rotation, variable frequency vibration and programmable temperature rise to remove the low-boiling point solvent, stopping rotating and vibrating, evaporating the high-boiling solvent under conditions of vacuum and programmable temperature rise to obtain an organic material film. The substrate is shaken in a reciprocating way through rotation and variable frequency vibration, so that the solution keeps flowing, the difference between the edge and the middle of the solution is reduced, and the difference of the surface and the interior of the solution is reduced; and meanwhile, the thermal motion of solvent molecules is accelerated by programmable temperature rise, and the film formation quality of the solvent during the drying process is improved.
Owner:SOUTH CHINA UNIV OF TECH

Radial rolling bearing, in particular single-row spherical-roller bearing

The invention relates to a radial rolling bearing, in particular single-row spherical-roller bearing, which is composed substantially of an outer bearing ring (2) and an inner bearing ring (3) and of a plurality of spherical rollers (4), which spherical rollers (4) are arranged between said bearing rings (2,3), which spherical rollers (4) have in each case two side faces (5,6) which are flattened symmetrically from a spherical basic shape and are arranged parallel to one another, and which spherical rollers (4) are retained with uniform spacing to one another in the peripheral direction by means of a bearing cage. Here, the spherical rollers (4) have a width (bk) between their side faces (5,6) of approximately 70% of the diameter (dk) of their spherical basic shape, and roll with their running faces (7) in two groove-shaped raceways (10,11) which are formed in the inner side (8) of the outer bearing ring (2) and in the outer side (9) of the inner bearing ring (3). According to the invention, at least one of the axial rims (12, 13, 14, 15) which delimit the groove-shaped raceways (10,11) in the bearing rings (2,3) is designed to be reduced in radial height such that the radial bearing (1) can, by means of the increased spacing (aL2) of said rim (12, 13, 14, 15) to the radially opposite rim (12, 13, 14, 15), be equipped with an increased number of spherical rollers (4) in an axial assembly process.
Owner:SCHAEFFLER KG

Flat-plate-type transverse magnetic flux switching permanent magnet linear motor

The invention discloses a flat-plate-type transverse magnetic flux switching permanent magnet linear motor. The motor comprises a flat-plate-type motor primary and a flat-plate-type motor secondary, wherein the motor primary and the motor secondary are oppositely installed, an air gap face is arranged between the motor primary and the motor secondary, and permanent magnets and windings are installed on the motor primary and operate based on a magnetic flux switching principle. The motor is characterized in that the motor primary further comprises one or more primary units, each primary unit comprises a primary unit iron core, each primary unit iron core is composed of two primary unit iron core blocks perpendicular to the moving direction v, and the primary unit iron core blocks are formed by overlapping primary electrical steel sheets in the moving direction v; the motor secondary is formed by overlapping secondary electrical steel sheets in the moving direction v. The motor has the advantages that the structure and the production technology are simple, the primary and the secondary can be overlapped for reducing iron loss, the utilization rate of the permanent magnets and the windings is high, a permanent magnetic circuit is even in magnetic conductance and small in positioning force and eddy current, power thrust is only related to the length of the motor, and rapid designing in batches can be performed.
Owner:SOUTHEAST UNIV

Method for manufacturing and securing metal decorations for products

The present invention relates to metal decorations for displaying a logo or a trademark of goods or a company in the form of characters or figures on the surface of various products. More particularly, in order to have securing legs and connecting rods with a thinner thickness than the thickness of the metal decorations, the metal decorations and the securing legs are formed by corrosion; a product and a rear plate are each punched at positions corresponding to the securing legs; and after severing the connecting rods of the securing legs, each of the metal decorations is secured to the product and rear plate. Accordingly, even if the securing legs are bent, due to the securing legs being formed with a different thickness from the metal decorations, the borders of the metal decorations are unaffected, thus, it is possible to manufacture the metal decorations with distinct borders, and it is possible to improve workability as well as reducing damage to the product by reducing the thickness of the securing legs. In addition, the metal decorations or the securing legs are prevented from protruding from the surface of the product or the rear plate, due to grooves being formed, in the rear plate for securing the metal decorations, with a depth corresponding to the thickness of the metal decorations or the thickness of the securing legs, thereby achieving effects of producing a more luxurious product and providing an elegant exterior.
Owner:SUNS +3
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