35results about How to "Meet the requirements of deep processing" patented technology

The invention discloses a manufacturing method for a ceiling aluminum base material. A cast-rolled strip blank is coldly rolled, annealed, withdrawn and straightened as well as packaged in sequence, wherein in the cold rolling treatment process, the manufacturing method comprises the following steps: first, rolling the cast-rolled strip blank to a thickness of 6.5 mm, 4.5 mm, 3.0 mm and 2.2 mm in sequence; and then carrying out immediate annealing treatment on the 2.2 mm thick cast-rolled strip blank; and finally, rolling the cast-rolled strip blank treated through immediate annealing to a thickness of 1 mm. Experiments verify that a crystal grain structure in a finished product is more uniformr through selecting proper cold rolling pass distribution, a proper immediate annealing thickness and an annealing method, the bending performance of the finished product can satisfy machining requirements and a purpose of manufacturing the aluminum base material satisfying deep machining requirements by using the cast-rolled strip blank is achieved.

The invention relates to ultra-pure ferrite stainless steel containing synergistic tin and copper and a preparation method of the ultra-pure ferrite stainless steel. The ultra-pure ferrite stainless steel comprises the following components in percentage by mass: not greater than 0.005% of C, 0.2% to 0.4% of Si, 0.2% to 0.4% of Mn, smaller than or equal to 0.005% of P, smaller than or equal to 0.005% of S, 16% to 18% of Cr, smaller than or equal to 0.003% of N, 0.095% to 0.15% of Sn, 0.05% to 1% of Cu and the balance of Fe and inevitable impurities. The preparation method comprises the following steps: (1) smelting according to set components and casting an ingot blank; (2) heating to the temperature of 1100+ / -10 DEG C, maintaining the temperature for 1-2 hours, and subsequently performinghot rolling to form a hot-rolled steel plate; and (3) performing thermal treatment, water cooling, heat maintaining and air cooling to obtain the ultra-pure ferrite stainless steel containing synergistic tin and copper. The method provided by the invention improves the mechanical properties and the corrosion resistance of the ferrite stainless steel on the basis of production cost reduction of theferrite stainless steel, the tensile strength of the ferrite stainless steel is as high as 450-560 MPa, the percentage elongation of the ferrite stainless steel is 30% t0 45%, and the pitting potential of the ferrite stainless steel is 200-285 mV.

The invention relates to the technical field of fruit processing equipment, in particular to a soft clamp and a feeding mechanism special for the soft clamp. The soft clamp comprises a clamp body made of soft materials; a through hole used for clamping an article is formed in the middle of the clamp body; a gap hole is formed in the surface of the clamp body and extends to the inner wall of the through hole to communicate with the through hole; and when the clamp body is bent and stretches, the gap hole is opened, so that the opening of the through hole is opened to be in a horn shape. Compared with the prior art, the soft clamp and the feeding mechanism special for the soft clamp are suitable for automatic mechanical equipment for husking, core removing and processing of various fruits; the clamp is simple in structure, easy to process, convenient to operate, capable of ensuring integrity of processed fruit pulp, and low in fruit pulp loss ratio, thereby better meeting the requirement of modern agricultural product deep processing.

The invention relates to an acrylic-modified alcohol acid-epoxy ester hybrid resin which is prepared by the following steps: carrying out high-temperature esterification reaction on an epoxy resin and fatty acid under the action of an esterification catalyst to obtain epoxy ester; carrying out alcoholysis on vegetable oil and polyalcohol at high temperature, cooling, and adding polybasic acid for esterification, thereby obtaining an alkyd resin; and adding acrylic monomers into the epoxy ester-alkyd resin mixed solution, and carrying out graft polymerization under the action of an initiator to obtain the hybrid resin. The hybrid resin can be used as a main film forming material to prepare a high-temperature baking varnish together with a crosslinking agent. The high-temperature baking varnish can be used as various curtain-coating mirror back paints, including silver mirror back paints, aluminum mirror back paints, glass paints and the like, can satisfy the technological requirements for application of curtain coating production lines of which the width exceeds 3m, has a stable curtain coating, and can become completely dry after being baked at 150-130 DEG C for 3-5 minutes. The product has the advantages of low-temperature quick drying, high hardness, excellent adhesive force, dampness-heat resistance, chemical resistance, salt-fog resistance and the like.

The invention relates to a technique to comprehensively utilizing an intergrown ore of bastnaesite and celestite. The detailed steps of the technique comprises: firstly the raw material of intergrownore of bastnaesite and celstite are crashed until the -200 orders taking up 60-90%; secondly proper collecting agent and alkalis inhibitor are added, and compound concentrate is obtained; thirdly under the temperature of 500-600 DEG C, the concentrate is roasted for 1.5 to 2.5 hours so as to obtain calcine; finally, the calcine is leached with concentrated hydrochloric acid in normal temperature for 0.5 to 3.0 hours, the leaching slag is celestite and the leaching solution is blended rare earth chloride solution. The invention can greatly increase the recycle rate of the rare earth and celestite and the grade of celestite concentrate, meet the further processing requirements of celestite; besides, the separation of the blended concentrate integrates closely with the existing rare earth production, no extra investment of equipments is needed, the existing roasting and leaching devices is expanded; furthermore, the invention simplifies gravity separation and flotation operation, which isgood for the stability of the production.

The invention discloses a water-based hydroxyl acrylic resin facilitating deep machining, a water-based acrylic amino baking finish, a preparation method and a metal workpiece. The water-based hydroxyl acrylic resin is prepared from acrylic acid, methyl methacrylate, butyl acrylate, butyl methacrylate, vinyl versatate, cyclohexyl methacrylate, hydroxyethyl acrylate, 3-thiohydracrylic acid, an initiator, an oxidizing agent, a reducing agent, an organic solvent and water. The vinyl versatate and the 3-thiohydracrylic acid are introduced to a monomer part of the water-based hydroxyl acrylic resin, and branched chains in the vinyl versatate and the 3-thiohydracrylic acid make resin molecule arranged smoothly, so that a coating prepared by adopting the prepared water-based hydroxyl acrylic resin is very good in coating toughness, and a metal surface has good toughness after being coated. Therefore, the requirements of deep machining of a lot of metal workpieces can be met.

The invention provides a silicon-containing acrylic-acid-modified epoxy ester resin, which is prepared by the following steps of: carrying out a high-temperature esterification addition reaction on epoxy resin and fatty acid under the action of esterification catalyst, then reducing reaction temperature, adding acrylic acid, methacrylic acid or a mixture of acrylic acid and methacrylic acid, and carrying out an addition reaction under the action of low-temperature esterification catalyst to obtain acrylic acid epoxy ester resin; and then carrying out radical polymerization on the prepared acrylic acid epoxy ester resin, acrylic acid monomer and organic silicon monomer in the presence of an initiator to prepare the silicon-containing acrylic-acid-modified epoxy ester resin. The silicon-containing acrylic-acid-modified epoxy ester resin provided by the invention is a main film forming material; the paint for curtain spraying of glass is prepared by the silicon-containing acrylic-acid-modified epoxy ester resin and a cross-linking agent; the paint can satisfy the painting process requirements of painting production line of wide curtains as long as 3 m, and can be completely dried after being baked at 130-160 DEG C for 5-7 minutes; and after drying is finished, the hardness and flexibility of the coated film is balanced, thus a paint falling phenomenon during edging, perforating and sandblasting for deep processing of process glass is avoided.

The invention relates to the technical field of food processing equipment, in particular to a longan seed removal tool which structurally comprises a tool rotator, a plurality of blades, a guide wheel and an expander. The blades are arranged on the top of the tool rotator and are spliced with one another along the circumferential direction to form a blade group in the shape of a circular truncated cone by means of enclosing, and the diameter of an opening in the upper end of the blade group in the shape of the circular truncated cone is smaller than that of an opening in the lower end of the blade group; the expander is used for outwardly opening the opening in the upper end of the blade group, the lower end of the expander is fixed to the inner wall of the guide wheel, and the upper end of the expander penetrates the tool rotator and can extends into the blade group in the shape of the circular truncated cone when the tool rotator rotates and moves downwardly relative to the guide wheel, so that the opening in the upper end of the blade group can be opened from the inside to the outside; the tool rotator, the guide wheel and the expander are provided with vertically through cavity structures. Compared with the prior art, the longan seed removal tool has the advantages that longan pulp and seeds can be automatically separated from one another by the aid of the longan seed removal tool, the longan seed removal tool is high in seed removal efficiency and low in pulp loss ratio, and the longan pulp without the seeds is good in integrity.

The invention relates to a plate shape straightening device and straightening method for a high-purity-aluminum medium-thick plate. The plate shape straightening device comprises a bearing platform and a pressure applying top plate. The high-purity-aluminum medium-thick plate is arranged between the bearing platform and the pressure applying top plate. Straightening clamp fixing plates are horizontally arranged above the pressure applying top plate. Straightening clamps are arranged on each straightening clamp fixing plate. A clamping rod of each straightening clamp is arranged in a groove in the upper surface of the pressure applying top plate. Each clamping rod is sleeved with a spring. Each spring abuts against the upper surface of the pressure applying top plate or the inner surface of the corresponding groove. By the adoption of the plate shape straightening device and straightening method for the high-purity-aluminum medium-thick plate, the high-purity-aluminum medium-thick plate is straightened through the high-temperature pressure straightening method, different pressure platforms and annealing process packages are adopted according to different thicknesses and broadbands, a curing production mode is formed, and generation of the buckling of the high-purity-aluminum medium-thick plate is avoided. By the adoption of the plate shape straightening device and straightening method, the large fixed assets are reduced, and the economic benefits are increased. The plate shape straightening device and straightening method are particularly suitable for straightening production of the high-purity-aluminum medium-thick plate.

The invention relates to the technical field of food processing equipment, in particular to a method for removing longan seeds and pulp and an automatic longan pulp removal machine. The method includes a seed removal step and a pulp removal step. The automatic longan pulp removal machine comprises soft fixtures, a feeding mechanism, a seed removal tool, a pulp removal tool and a punch mechanism. The soft fixtures are used for clamping longan, the feeding mechanism is used for conveying the soft fixtures, the seed removal tool and the pulp removal tool are sequentially arranged along a feeding direction, and the punch mechanism is used for respectively pushing the longan seeds out of the longan pulp and pushing the longan pulp out of longan shells and is correspondingly arranged above the seed removal tool and the pulp removal tool. Compared with the prior art, the method and the automatic longan pulp removal machine have the advantages that longan seed removal and shell removal working procedures can be automatically controlled, accordingly, the method and the automatic longan pulp removal machine are high in work efficiency and easy to implement, and the pure longan pulp can be continuously processed; the longan pulp obtained by the aid of the method and equipment is good in integrity, damage to the longan pulp can be prevented, the method and the automatic longan pulp removal machine are low in pulp loss ratio, and accordingly modern agricultural product deep-processing requirements can be effectively met.