43results about How to "No ripple" patented technology

A SMC sheet with high surface quality and luster is composed of both surficial PE films and a core material prepared from glass fibers through immersing them in the resin paste which is proportionally from unsaturated polyester resin, low-shrinkage additive, internal demoulding agent, calcium carbonate, styrene, trigger and magnesium oxide.

The invention relates to a method for producing a single-layer glass cup by using a glass tube. The method comprises the following steps: A. material cutting process: the glass tube is cut into the glass tube material section with the height which is twice that of the finished glass cup; B. bottom forming process: the both ends of the cut glass tube material are clamped on a rotary device to locally heat the middle part of the tube material till the softening of the glass, a heat-resistant material blade with the thickness which is less than the width of a heating zone and does not have the affinity with the glass is used for cutting the middle part of the heating zone to form blanks of two cup bottoms; C. cup bottom processing process: the cup-shaped glass tube material is clamped on the rotary device, flames are used for heating the bottom part of the glass cup-shaped tube material along the transverse direction at the same time of rotation till the melting of the glass, and the cup bottoms are thickened to meet the design requirements. The method has simple production technology, greatly improved yield, good overall transparency of the cup and no need of polishing. The production efficiency is greatly improved, and the method can be used for large-scale production and family workshop operation. The equipment cost is greatly reduced, and the method can be used for the production by only using a special burning device, thereby eliminating the constraints of a kiln on the production scale and the place.

The invention discloses a cold-rolling working roll for rolling a high-quality automobile sheet, which comprises the following chemical constituents in percentage by weight: 0.70-1.00% of C, 0.4-1.50% of Si, 0.20-1.00% of Mn, 4.50-6.50% of Cr, 0.20-1.00% of Mo, 0.05-0.50% of V, 0.20-1.50% of Ni, no more than 0.025% of S and no more than 0.025% of P. The roll blank is subject to an electroslag ingot manufacturing process in a special electroslag mode, wherein the quenching holding temperature in heat treatment is 940-1020 DEG C, the cold treatment temperature is from 90 to 50 DEG C, the treatment time is 2-8h, the tempering holding temperature is 120-145 DEG C, and the holding time is 60-150h. The surface hardness of the cold-rolling roll is 90-100 HSD. The manufactured cold-rolling working roll has fine roll-surface structural homogeneity and overall performance, thereby meeting the rolling requirements of the high-quality automobile sheet.

The invention discloses a method for head rotation and arc striking of a carbon brush. The method comprises the following steps in sequence: the carbon brush is clamped on a fixture positioned in an introducing station; the fixture clamped with the carbon brush rotates onto a head rotating station, and a head rotating device performs the head rotation for the front end surface of the carbon brush; after head rotation, the fixture clamped with the carbon brush rotates onto an arc striking station, and an arc striking device performs arc striking for the back end surface of the carbon brush; and after arc striking, the fixture clamped with the carbon brush rotates onto a delivery station, and a delivery device discharges the carbon brush from the fixture for clamping the carbon brush. The method integrates grinding, chamfering, head rotation and arc striking, automatically finishes the procedures for the carbon brush, reduces the procedures, reduces labors and the time needed for transfer of the carbon brush, improves the production efficiency, reduces the labor cost, is stable in quality of machined products and excellent in consistency, saves electricity, reduces emission, and facilitates environmental protection.

Provided are an image display device manufacturing method capable of obtaining an optical member with excellent visibility without causing a ripple even if any portion is pressed, a hardening resin composition used therein, and an image display device. An image display device manufacturing method comprises: a step for demarcating an application region of a first hardening resin composition by a second hardening resin composition; a step for applying the first hardening resin composition to the application region; and a step for hardening the first hardening resin composition to bond a liquid crystal display unit and a protection plate, and a hardened material layer obtained by hardening the second hardening resin composition is laminated on a projection region of a sealing body and is not laminated on a projection region of a polarizing plate. It is preferable that the first hardening resin composition or the second hardening resin composition contain (meth)acrylate (A) and a photopolymerization initiator (B).

The invention relates to a precision high-efficiency tubing sizing sleeve. The precision high-efficiency tubing sizing sleeve comprises a water distribution base, a sizing sleeve and a flange connecting the water distribution base and the sizing sleeve, the water distribution base is provided with water inlet and outlet connectors for cooling water feeding and discharge, the cooling water enters into the water distribution base by the water inlet connector, a water ring is formed in the water distribution base, the sizing sleeve is a single-wall metal tube, the inner side of the front tube wall section is provided with a helical groove and is densely covered through holes, and the rear tube wall section is provided with a straight trough. Compared with the existing tubing sizing sleeve, the precision high-efficiency tubing sizing sleeve is suitable for pipe diameters phi of 16-1000, is suitable for production of tubes prepared from different plastic materials such as PVC and other materials, does not produce pipes with crinkles and nonuniform tube wall thickness in tube production, prevents adhesion of the tube blank to the tubing sizing sleeve, and realizes smooth outer tube walls and uniform wall thickness. The whole cooling sizing system is stable and reliable and guarantees high-rate high-precision tube production.

The invention discloses a condensing lens.The condensing lens comprises a fixed support and a honeycomb core board assembly and a reflector which are sequentially installed on the fixed support in a stacked mode, the honeycomb core board assembly comprises a panel, a honeycomb core board and a backboard, the honeycomb core board is clamped between the panel and the backboard, the reflector is connected with the panel in a sticking mode through a pressure-sensitive adhesive, and the backboard is fixed with the fixed support.According to the condensing lens, the weight of the condensing lens is lighter than that of other types of products, and steel structure loading requirement is low; the surface is smooth and free of corrugation phenomenon, and the optical quality is optimal; the condensing lens can be suitable for batched production and manufacture, the initial capital investment is less, and the benefit can be obtained rapidly; the condensing lens is suitable for rapid and accurate focusing, and the site construction time is shortened.

The invention relates to the technical field of packaging materials, in particular to a high-barrier antiskid packaging film and a preparation method thereof. The packaging film is composed of a CPE film, a PET film, a modified VMPET film and a PE film which are sequentially layered, the CPE film and the PE film are prepared in a three-layer co-extrusion forming mode, and one face of the VMPET film is reversely plated with an aluminum-plated layer formed by metal aluminum, so that the barrier property, the aluminum layer adhesive force and the corona value attenuation period are all obviously improved, and under the severe high-humidity and high-temperature conditions, the interface of the packaged PET/VMPET aluminum plating layer is not layered, so that the integrity of the package is ensured, and the contents are not deteriorated; the packaging material with the CPE (heat-resistant)/PET (polyethylene terephthalate)/modified VMPET/PE (low-temperature) composite structure has the characteristics of balanced internal and external structures, flat bag shape, soft buffering of the outer-layer CPE, puncture and falling resistance, high static friction and good stacking and transporting effect, the problems of stacking slipping and unsmooth transportation are solved, and the whole large package is high in tearing strength and puncture resistance, and can resist falling and impact bag breaking.

The invention discloses a special tool rest for machining an inner bore and relates to a tool rest for machining an inner bore, and the special tool rest can be used for solving the problem of poor machining precision because a tool trembles, the inner bore surface easily generates ripples and the inner wall of a U-turn machining workpiece on two ends is provided with a tool connecting mark when the inner bore of a spindly thin-wall sleeve is machined. The special tool rest is composed of a tool bar assembly and a permanent seat assembly, wherein the tool bar assembly is composed of a sleeve,a handle, a tool apron, a long tool bar, a joint, two support bolts and four locating blocks; the tool apron is successively provided with a tool loading section, a locating section, a transition section and a tool bar connection section along the axial direction from front to back; the cross section of the tool loading section is rectangular; each locating slot is provided with the locating block; one end of the long tool bar is connected with the tool bar connection section; the other end of the long tool bar is connected with the joint; the permanent seat is composed of a locating bolt, anupper tilting fillet, a center frame foundation, a bearing bush and a platen; the distance between the upper end surface of the platen and the lower end surface of the center frame foundation is 15mm; and the long tool bar passes through the bearing bush and moves forward and backward in the bearing bush. The special tool rest for machining the inner bore is used for machining a spindly thin-walldeep bore.

A method for producing an image display device having a protective plate adhered to a liquid crystal display unit equipped with a liquid crystal display cell, a polarizing plate, and a sealed body or a housing, the method involving: (A) a step for coating the liquid crystal display unit or the protective plate with a first curable resin composition; (B) a step for sticking the liquid crystal display unit and the protective plate to one another with the first curable resin composition interposed therebetween; and (C-I)-(C-III) the subsequently described steps which follow step (B). (C-I) a step for adhering the liquid crystal display unit and the protective plate to one another by curing the first curable resin composition; (C-II) a step for coating the outer-peripheral-side surface section of the protective plate, the sealed body or the housing with a second curable resin composition, so as to connect the liquid crystal display unit and the protective plate with one another; and (C-III) a step for, after step (C-II), providing the outer-peripheral side surface section of the protective plate, the sealed body or the liquid crystal display unit housing with a cured-article layer by curing the second curable resin composition.

The invention discloses a preparation technique of self-cleaning and mildew-proof bathroom glass, bathroom-dedicated glass is used as a base plate, and a spray filming method is adopted to prepare the self-cleaning and mildew-proof bathroom glass, the preparation technique comprises the following steps: cleaning the glass, spraying and filming, drying the film and heat-treating the film. According to the development and industrialization of the self-cleaning and mildew-proof bathroom glass provided by the preparation technique, not only can a healthy and beautiful living space can be created for people, but also more unnecessary resource waste can be reduced, the service life of the bathroom glass can be prolonged, and the preparation technique has important social benefits, economic benefits and environmental benefits.

The invention relates to a plastic processing equipment. It adds a stripping roller and felt wrapped roll between the plastic compression roller and the cooling roller, with the stripping roller close to the last compression roller, stripping the coarsely formed product from the compression roller, delivering it to the felt wrapped roll which can press the plastic part tight through the top and down two pieces by the control mechanism. There is a clod stripping roller between the felt wrapped roller and the cold roller. It can allow the plastic parts having smooth surface without bubbles.

The invention provides a water-based two-component bright transparent finishing coat. The finishing coat is composed of a component A, a component B and water; the component A comprises the followingmaterials, in parts by weight: 65-80 parts of water-based hydroxy acrylic resin, 0.2-0.5 part of a wetting agent, 0.2-0.5 part of a pH regulating agent, 0.3-1 part of a first defoaming agent, 0.2-1 part of a second defoaming agent, 0.3-1 part of a defoaming agent, 2-5 parts of a film-forming auxiliary agent, 0.5-1 part of a rheological auxiliary agent, 0.2-1 part of a third defoaming agent, 0.1-0.5 part of a levelling agent, 3-6 parts of a wax emulsion and 6-24 parts of water; the component B comprises 14-20 parts of a water-based isocyanate curing agent; and a weight ratio of the component Ato the component B to the water is 100:(14-20):15. The finishing coat provided by the invention can be widely used in hotel furniture, bathroom sanitary products and other bright-surface coatings andsolves a major difficult problem that plagues furniture coating, the VOC emission of the finishing coat is reduced, and initiatives of energy conservation and emission reduction in China are realized.

The invention discloses a formula of self-stretching high-smoothness transparent glaze slip in the technical fields of a formula and a preparation process of the self-stretching high-smoothness transparent glaze slip; prepared crystals are good in transparency and relatively smooth in surface, and the defects that a traditional glaze surface is large in roughness, uneven, weak in flushing function and the like can be overcome; the glaze layer of the finished product fired on the basis of the melting fluidity of a frit is in a crystal brick shape, crystal brick bodies are uniformly distributed, the surface feels smooth, pores and ripples are avoided, the finished product is prepared by a production process which is reasonably adjusted in proportion and properly controlled, and aluminum oxide is introduced, so that the initial melting temperature range is wide, and the firing process is more favorably controlled; and crystallization phase and glass phase can be effectively balanced, transparency is improved, argil is introduced into the formula, the bonding strength of a blank glaze can be enhanced, the overall quality of the product is improved, and ceramic ware made of the transparent glaze is high in glossiness and low in lead and cadmium dissolution amount and has the advantages of being attractive in appearance, healthy, environmentally friendly and the like.