129results about How to "Reduce the difficulty of cutting" patented technology

The invention relates to a manufacturing method of a bracketless invisible appliance. The manufacturing method comprises the following steps: obtaining the oral data of a patient and establishing a three-dimensional model for an oral cavity of the patient according to the oral data, wherein the three-dimensional model comprises tooth data and gum data; designing a correction scheme, adjusting the position of a tooth to be corrected to a target correction position and obtaining a dental model; generating a cutting line on the dental model; forming the three-dimensional dental model into an entity dental model in a quick forming mode or a 3D printing mode and covering a diaphragm on the entity dental model in a vacuum diaphragm pressing way; cutting the entity dental model coated with the diaphragm by taking the cutting line of the three-dimensional dental model as a cutting path and demolding the diaphragm after the completion of cutting so as to form the appliance. The bracketless invisible appliance is obtained by the manufacturing method. The bracketless invisible appliance and the manufacturing method thereof have the advantages of high processing efficiency, large bearing capacity and difficulty in breakage.

The invention discloses a totally-synthesized water-based stainless steel cutting liquid. The cutting liquid contains the following components: a stainless steel water-based extreme-pressure agent, caprylic-capric acid, boric acid triethanolamine ester, polyethylene glycol, a cation quaternary ammonium salt metal filings settling agent, a dicarboxylic compound antirusting agent, a monobutyl ether coupling agent, a hard-water-resisting agent, a defoamer and distilled water. By virtue of an environmental-friendly total-synthesis formula, the cleaning and settling properties of the cutting liquid are enhanced; an environmental-friendly special water-based extreme-pressure lubricant is used to substitute for the traditional synthetic ester, thereby ensuring the long-time stability of the cleaning and settling properties of the cutting liquid. The cutting liquid plays a very good role in protecting non-ferrous metal and ferrous metal; by virtue of the cation quaternary ammonium salt settling agent, the problem of iron filings settling during the processing of stainless steel is eliminated, and the transparency and stability of the cutting liquid in long-time use are guaranteed.

The invention discloses a diamond particle reinforced metal matrix composite material and a preparation method and application thereof. The preparation method comprises the steps of 1, preparing an interface layer; 2, preparing a metal layer; 3, premolding; and 4, carrying out densification treatment. According to the diamond particle reinforced metal matrix composite material and the preparationmethod and application thereof, the adopted sintering of a two-step solid-phase method combined with the premolding and densification treatment is characterized by complementing for each other, fostering strengths and circumventing weaknesses, so that the the characteristic that the solid-phase sintering method capable of preparing a material with smaller particle size is retained, the size of thematerial prepared in a single batch is larger, the thickness reaches the centimeter level or a higher level, the production efficiency is higher, and the cost is greatly reduced; the prepared material has higher thermal conductivity, adjustable thermal expansion coefficient and better uniformity and reliability, and can be directly cut for processing by an electric spark wire; and meanwhile, thepremolding before the densification treatment can solve the problem that a bag sintered by directly adopting hot isostatic pressing is deformed too much so as to result in too much waste of the material, and the material utilization rate is higher.

The invention discloses high-carbon hot-rolled automobile diaphragm spring steel. The high-carbon hot-rolled automobile diaphragm spring steel is prepared from the following constituents in percentage by weight: 0.70-0.90% of C, Si smaller than or equal to 0.10%, Mn smaller than or equal to 0.80%, P smaller than or equal to 0.008%, S smaller than or equal to 0.003%, 0.010-0.030% of Alt, 1.20-1.80% of Cr, 0.10-0.30% of V, 0.002-0.006% of Ca, and N smaller than or equal to 0.004%, and is prepared by the following production steps: molten iron desulphurization, smelting in a converter, refining in an LF (Ladle Furnace) furnace, processing in an RH vacuum furnace, continuous casting to form blanks, pit type slow cooling after cutting of cast blanks, cast blank heating, segmented hot rolling, reeling, slow cooling, annealing, quenching, tempering, and inspection for standby. The steel disclosed by the invention is quenched and tempered to achieve tensile strength of 1600-2200 MPa, HRC (Rockwell Hardness) of 47-57, high limit of elasticity, high limit of yielding, high fatigue limit resistance and longer service life, and can be used for manufacturing various vehicle clutch assemblies for large engineering machinery.

The present invention related to a method for manufacturing a thermal dissipation substrate and a thermal dissipation substrate. The method includes steps of: (a) providing a substrate body having a surface; (b) forming a plurality of concave regions on the surface; and (c) filling the plurality of concave regions with a plurality of diamond materials. The thermal dissipation substrate includes: a substrate having a surface at a first horizontal; a plurality of regions formed on the surface at a second horizontal; and a plurality of diamond materials having a relatively high thermal coefficient and disposed on the plurality of regions.

A CNC cutting machine tool, the first pulley is installed on the first rotating shaft, the second pulley and the sixth pulley are installed on the second rotating shaft, the fifth pulley and the wire roller are installed on the fifth rotating shaft, The first belt tension is installed on the first pulley and the second pulley, the third belt tension is installed on the fifth pulley and the sixth pulley, the third pulley is installed on the third shaft, and the fourth belt The pulley is installed on the fourth rotating shaft, the second belt tension is installed on the third pulley and the fourth pulley, the first guide block is fixed on the first belt, the second guide block is fixed on the second belt, the cutting line One end is wound on the wire roller, the other end first passes through the wire hole on the first guide block, then passes through the wire hole on the second guide block, and finally is fixedly connected to the strip cutting frame. Taking hair cake as an example, using the present invention can make large A piece of round or square hair cake is cut into strips of certain specifications for subsequent cutting, reducing cutting difficulty and improving work efficiency.

The embodiment of the invention provides a battery packaging method and a battery. The battery comprises a naked battery core and a packaging film, wherein the edge of the naked battery core comprisesat least one first open space; the first open space passes through the thickness direction of the naked battery core; no naked battery core is arranged in the first open space; an enclosed space foraccommodating the naked battery core is enclosed with the packaging film; the packaging film is provided with a first sealing part in the first open space; the first sealing part does not cover the naked battery core; a second open space is enclosed by the first sealing part and the packaging film on a side wall of the first open space; and the first open space and the second open space are coincided partially. Through adoption of the battery packaging method, on the basis of keeping the battery shape flexibility, the cutting and folding times of the packaging film in the packaging process arereduced, and the packaging process is simplified. Moreover, a large-sized chamfer does not need to be formed at the corner of the open space of the naked core edge; energy density loss is avoided; and meanwhile the pole plate cutting difficulty is lowered. The embodiment of the invention also provides a terminal including the battery.

The invention relates to a growing device of a lithium triborate (LBO) crystal. The growing device comprises a crucible and a convex part which is arranged on the inner bottom of the crucible. The invention also relates to a growing method of the LBO crystal. Growth of the LBO crystal is carried out by adopting the growing device. The growing device provided by the invention is simple in structure, simple and convenient to manufacture, and low in cost. By adopting the growing device and the growing method provided by the invention, large-caliber flat LBO single crystal can be directly grown, the cutting difficulty of a crystal apparatus is reduced, the utilization rate of the crystal is obviously improved, the processing link is reduced, the growth period of the crystal is shortened, and the manufacturing cost is reduced.

The invention discloses a tunneling method capable of weakening hard rock strength. According to the method, a tunneling machine, an integrated grinding jetting drilling machine with the tunneling machine as a carrier, and a high-pressure water pump are arranged on a tunneling working surface; the integrated grinding jetting drilling machine is adopted to form drilled holes in a rock body, and a series of conical crack clusters are formed through cracking cutting on the basis of hole drilling; a high-pressure hole sealing device is used for sealing the tunneling surface for a distance, the high-pressure hole sealing device is communicated with a high-pressure water pump through a water inlet pipe, the characteristic that the rock body is resistant to pressure but not resistant to drawing is utilized, the conical crack clusters in the rock body are expanded to form a dense conical crack net, and therefore the rock strength is weakened; a tunneling machine cutting head is adopted to cutthe rock which has an internal conical crack net, the tunneling efficiency is greatly improved, the service life of the tunneling machine can be prolonged, and the tunneling cost is reduced.

The invention belongs to the technical field of cable processing, and discloses a peeling mechanism matched with cables with different diameters. The peeling mechanism comprises a device shell, wherein a top cover is fixedly mounted at the top of the device shell, a first motor is fixedly mounted at the top of the top cover, and a rotating shaft of the first motor penetrates through the top cover, extends into the device shell and is fixedly connected with a first driving conveying wheel. According to the invention, spring adjusting mechanisms are arranged on each conveying wheel, each shearing knife and each peeling wheel, so distances among the conveying wheels, the shearing knives and the peeling wheels can be changed along with the diameters of the cables, the conveying wheels can stably convey the cables with different diameters, the shearing knives can be matched with an upper cutter groove and a lower cutter groove to automatically adjust the distance so as to achieve preliminary splitting of the cable, and the peeling wheels can hook the outer skin of a cable and peel off the outer skin; and therefore, the purpose of being matched with the cables of different diameters is achieved, and the universal applicability of the peeling mechanism is improved.

The invention provides a scanning electron microscopy sample production method of a coated white cardboard fracture. The method comprises the following steps: shearing a coated white cardboard to form a long strip, wherein one end of the long strip along the length direction is sharp-pointed, and the width of the tip is less than or equal to 0.5 mm; and slicing the tip of the long strip through adopting a mechanically propelled ultrathin slicing machine by using a diamond cutter at a slicing rate of below 0.5 mm/sec in order to obtain the coated white cardboard fracture. The coated white cardboard fracture produced by using the method is clean and flat without pollutant shielding, so the clear coated white cardboard fracture microscopic picture of the sample fracture is obtained, and analysis test of the thickness of a white cardboard coating and the particle size and the shape of particles is realized by using a scanning electron microscope.

The invention belongs to the technical field of metal processing, and particularly relates to a high-lubrication stable cutting fluid and a preparation method thereof. The high-lubrication stable cutting fluid is prepared from, by weight, 40 to 46 parts of diethylene glycol, 5 to 8 parts of triethanolamine, 2 to 5 parts of diethanolamine, 5 to 10 parts of an emulsifier, 14 to 18 parts of a corrosion inhibitor, 0.02 to 0.5 part of an organic silicon defoamer and 20 to 25 parts of water. A special emulsifier is adopted to improve the permeability and the lubricating property, and the high-lubrication stable cutting fluid serving as an oil-free cutting fluid product can replace a semi-synthetic cutting fluid with low oil content under the same condition. Besides, compounding of a special antirust agent makes the surface of a lubricating film keep smooth for a long time, so that dry friction caused by direct contact between a cutter surface and a workpiece is avoided, the contact length between a cutter and chips is shortened, the shearing angle is increased, and the cutting difficulty is reduced.

The invention relates to a grape collecting device. The grape collecting device comprises a main rod, a long shaft sleeve is installed on the main rod, net bags are fixed to the upper end of the long shaft sleeve, a first handle is fixed to the lower end of the long shaft sleeve, and a limiting boss attached to the bottom of the long shaft sleeve is fixed to the lower end of the main rod; a second handle is fixed to the lower end of the main rod, a supporting plate horizontally distributed is fixed to the upper end of the main rod, a long sliding strip is installed on the upper end face of the supporting plate in a sliding mode, a saw strip is fixed to the upper end face of the long sliding strip, a rectangular plate is connected to the back end of the long sliding strip, a strip-type through hole vertically distributed is formed in the rectangular plate, a motor is fixed to the bottom of the supporting plate, a disc is connected on an output shaft of the motor, and a protruding block which is in sliding fit with the strip-type through hole and away from the circle center of the disc is fixed on the disc. According to the grape collecting device, positions of peduncles of grapes are not required to be sought, the peduncles of the grapes can be rapidly separated from fruit trees, the working efficiency is improved, the cutting difficulty is reduced, harm to the human body is avoided during cutting, once collection of the multi-bunch grapes can be achieved, and collection time is greatly saved.

The invention provides a pre-plastic lead frame, a semiconductor packaging structure and unit thereof, and a packaging method. the pre-plastic lead frame comprises a plurality of lead frame units, thelead frame units at least have a conductive element located on the outermost side, an insulating layer is embedded between the conductive elements of the adjacent lead frame units through a pre-plastic packaging process, and the insulating layer covers at least a part of the outer side walls of the conductive element. As that embodiment of the invention can carry out oxidation protection on the conductive element, the preparation process of the pre-plastic lead frame can be simplified and tightly connected, and the manufacturing cost can be reduced; In addition, the problem of metal residue existing in the prior art cutting is eliminated, and the quality and yield of the packaged product are improved.