89results about How to "Reduce sanding" patented technology

The invention relates to a resin mixture used for producing FRP (fiberglass-reinforced plastics) profile, the FRP profile made from the mixture and a preparation method thereof. The resin mixture comprises the following materials according to weight proportion: 10 of resin, 0.4 to 3 of low shrinkage agent, 2 to 15 of fillers, 0.05 to 0.2 of low temperature curing agent, 0.05 to 0.2 of high temperature curing agent, 0.05 to 0.2 of parting agent, 0.02 to 0.5 of pigment and appropriate amount of coupling agent and ultraviolet absorbent. The preparation method of the FRP profile by using the mixture is that: a reinforcing material is immersed into the resin mixture. The obtained material is extruded to get forming under high temperature and high pressure through a die; during the extrusion forming, the die is heated after being separated into three segments, and the temperature of the three segments is respectively 60 DEG C to 100 DEG C of a first segment, 100 DEG C to 150 DEG C of a second segment, 100 DEG C to 148 DEG C of a third segment; the haulage speed is 320 mm/min.

The invention discloses a welding method for TKY joints of a steel structure. The welding method includes the following steps that firstly, a 1: 1 example intersecting line cutting simulation test isperformed; secondly, intersecting line cutting is performed; thirdly, fitting up and positioning are performed; fourthly, weld joint edge terminated lines of the TKY joints are drawn; fifthly, backingwelding is performed to form a bottoming layer; sixthly, filling welding is performed to form a filling layer; and seventhly, surface covering welding is performed to form a surface covering layer, current of a welding device is decreased into the range of 100-130 A, welding stops when the distance from welding to a groove edge line is 0.3 mm to 2 mm, then from the weld joint edge terminated lines, arranging and welding are sequentially in transition to the groove edge of a branch pipe, and a surface covering layer weld joint and parent metal are made to be in smooth transition. The welding method guarantees that the fatigue strength and other mechanical performance of the TKY joints reach standards, one-time welding forming is performed, root portion defects are not likely to be caused,weld joint grinding is reduced, the labor intensity of workers and the production cost are lowered, and the production efficiency is improved.

A method for removing rust (oxidized layer) from the metallic material (rod, strip, tube, etc) includes such steps as controlled radial twisting and controlled reverse twisting. Its advantages are no environmental pollution and no noise. Its apparatus is also disclosed.

The invention discloses a polishing machine with a 3D hook face. The polishing machine comprises a rack, a jig assembly and a polishing wheel assembly. The rack comprises an inner frame and an outer frame. The jig assembly is fixed on the inner frame, and comprises a plurality of workpiece disks and a first driving mechanism used for driving the workpiece disks to move in a reciprocating mode. Containing tanks used for containing workpieces are formed in the workpiece disks. The polishing wheel assembly is rotatably matched with the outer frame, and comprises a mounting rack matched with the outer frame in a rotating mode, and a plurality of polishing wheels used for polishing the workpieces are arranged on the mounting rack. According to the polishing machine with the 3D hook face, the workpieces move in a reciprocating mode relative to the polishing wheels, so that multi-degree abrasion of the polishing wheels to the edges of the concave surfaces of the workpieces is reduced, and the multi-degree abrasion suffered by the edges of the concave surfaces of the workpieces is avoided through the height difference between tank ports and tank bottoms of the containing tanks.

The invention relates to a pure-natural pollution-free dry-mixed floor mortar, which is prepared from the following raw materials in parts by weight: 200 to 250 parts of cement, 710 to 750 parts of yellow sand, 40 to 70 parts of pulverized fuel ash, 0.5 to 2 parts of additive, and 20 to 30 parts of natural thickening agent, wherein the additive is hydroxypropyl methyl cellulose; the natural thickening agent is a mixture prepared from the raw materials in parts by weight: 20 to 30 parts of glutinous rice flour, 15 to 35 parts of egg white powder, 25 to 30 parts of clay soil powder and 15 to 30 parts of straw meal. The pure-natural pollution-free dry-mixed floor mortar has the advantages that the natural thickening agent is adopted, so that on one hand, the overall viscosity of the mortar added with water can be improved, and a series of problems of shrinkage crack, water seepage, sand strip, peeling deformation, low strength level and the like of a surface layer of a floor at the later stage are prevented; on the other hand, the mortar is pollution-free to a human body, and the problem that straw stalks cannot be utilized can be effectively solved; the materials can be effectively smashed through a rotary cutter disc, and a filter effect of a filter box is effectively improved through horizontally swinging the filter box in a reciprocating way.

The invention discloses a painted flexible wood veneer processing method, which comprises the steps of conducting softening treatment to a wood veneer by using a wood veneer softening material and then coating a layer of paint on the surface of the wood veneer. The product can replace the wood veneer with a non-woven fabric or back lining paper stuck on the back surface of the wood veneer in the traditional method and the wood veneer with a paint surface in the common wood veneer veneering technology. The painted flexible wood veneer can be used for the surface decoration of curved surface and flat surface parts of various wooden products, doors, windows and plates, the problems that the existing veneer is stripped off from the non-woven fabric and the wood veneer is stripped off from the back lining paper during processing and use are improved, the situation that the wood veneer is cracked when the wood veneer is stuck on a processed piece is avoided, the service life of the product is improved, the complex processes such as painting, drying, sanding and polishing, especially curved surface sanding and polishing in the transitional technology are reduced, the production efficiency is greatly improved, the production cost is saved and the use prospect is very promising.

The invention discloses a polycrystalline silicon ingot slicing device and method. The polycrystalline silicon ingot slicing device comprises a plurality of cutting lines which are parallel to one another, wherein an edge cutting line positioned on an outermost side is used for cutting out an edge; the outer side of the edge cutting line is further provided with at least one additional cutting line for subdividing the edge to separate an edge close to a crucible surface and an edge close to a central silicon ingot out. According to the polycrystalline silicon ingot slicing device and method provided by the invention, an edge material is partitioned into two parts; the edge close to the crucible surface is high in impurity content, and is molten down for purification and cast; the edge close to the central silicon ingot can be recycled directly after being cleaned, so that wear to the edge close to the crucible surface can be reduced, the impurities in a silicon material are reduced, the cast ingot quality is enhanced, and the problems of incomplete impurity removal and loss of a dusty silicon material are solved.

The invention relates to a container bottom plate unit made of a novel composite material. The novel container bottom plate unit is made of the fiber strengthening polymer matrix composite material and comprises a panel and a plurality of webs, the bottom of the panel downwards extends to form the webs, the webs comprise two end webs located at two ends of the panel and a middle web located in the middle of the panel, and the heights of the two end webs are equal to or lower than the height of the middle web. Container bottom plate units can be in lap joint along transverse inner fasteners or/and are spliced with 'Omega'-shaped container steel center sills in a matched manner to form an total container bottom plate. The container bottom plate unit is made of the fiber strengthening polymer matrix composite material, a bottom plate unit structure and a splicing mode thereof, which correspond to the material, are adopted, and accordingly the container bottom plate unit has an excellent environmental protection performance, an excellent lightweight performance and an excellent installation performance.

The invention provides a supporting device, and relates to the technical field of steel structure auxiliary equipment. The supporting device comprises a long supporting rod, a short supporting rod, asupporting plate, a first clamping-fixing piece and a second clamping-fixing piece; one end of the long supporting rod is rotatably connected with the first clamping-fixing piece, the other end of thelong supporting rod is rotatably connected with the supporting plate, one end of the short supporting rod is rotatably connected with the second clamping-fixing piece, and the other end of the shortsupporting rod is rotatably connected with a rod body of the long supporting rod; and the first clamping-fixing piece and the second clamping-fixing piece are fixed to a first to-be-supported part, the plate face of the supporting plate is attached to a second to-be-supported part so as to support the second to-be-supported part, wherein the second to-be-supported part is located above the first to-be-supported part, and the second to-be-supported part makes contact with the first to-be-supported part mutually. According to the supporting device, operation is convenient, the working efficiencyis improved, the repeated utilization rate is high, and the cost is reduced.

The invention belongs to a javelin grinding machine tool which comprises a tool body, a rotating shaft, an abutting mechanism and a grinding mechanism. The rotating shaft is arranged at one end of the tool body, the abutting mechanism is arranged at one end of the tool body and corresponds to the rotating shaft, the grinding mechanism is arranged on the tool body through a sliding rail and positioned between the rotating shaft and the abutting mechanism, a locking mechanism is arranged between the abutting mechanism and the tool body, and an adjusting screw pushing the grinding mechanism to be in reciprocating motion is arranged between the grinding mechanism and the tool body. Two ends of a javelin blank are supported, the javelin blank is rotated by the rotating shaft, and at the same time, an abrasive belt machine matched with an abutting wheel grinds a javelin; radian of the surface which is ground is controlled jointly by an auxiliary adjusting screw and the adjusting screw, so that grinding of the surface of the javelin blank can be completed accurately, quickly and efficiently to meet standards, mechanization level is high, and the grinding process of the javelin blank can be completed quickly, efficiently and accurately; the whole javelin grinding machine tool automatically controls a running track of the abrasive belt machine in the whole process through a control system, and strict standardization can be realized.

The invention discloses a welding method of a heterogeneous titanium alloy T-shaped joint, which comprises the following steps of: 1, processing a to-be-welded part of a rib plate into a K-shaped groove, and fixing the K-shaped groove on a welding tool clamp; 2, adopting coaxial powder feeding type laser cladding, wherein lasers act on the to-be-welded area on the two sides of the T-shaped connector correspondingly, an MIG welding gun swinging periodically is arranged on the rear side of a laser beam, and the included angle between the MIG welding gun and the rib plate and the included angle between the laser beam and the rib plate are adjusted to be located on the same plane; 3, setting welding process parameters; and 4, introducing shielding gas in advance, conducting double-face laser cladding composite electric arc welding of the T-shaped connector, conducting synchronous different-direction welding on welding heat sources on the two sides, wherein electric arcs swing periodically, single-pass welding forming of the workpiece is achieved, and the shielding gas is continuously introduced for cooling after welding. The laser cladding powder is used for regulating and controlling configuration, the internal consistency of the welding seam is enhanced, the welding seam strength is improved, and cracks are restrained through components of the welding wire before solidification of a molten pool.

The invention discloses novel wheel electroplating spraying equipment. The equipment comprises an electroplating pool and a painting chamber; the electroplating pool and the painting chamber are connected through a drying channel; a rotating frame is mounted at the top of the electroplating pool; the electroplating pool comprises a plating layer metal box, a clip to be plated, and a barrier net; the plating layer metal box and the clip to be plated are arranged on two sides of the barrier net; the rotating frame is driven through a motor; an unloading frame is arranged in the rotating direction of the rotating frame, and is connected with the motor through a conveying belt; the conveying belt is arranged in the drying channel; the painting chamber comprises a painting head, a paint storagebox and a conducting pipe; the painting head is connected with the paint storage box through the conducting pipe; an air blower is mounted in the drying channel; and a high-heat heating wire is mounted in an air outlet of the air blower. The equipment can perform the electroplating and painting treatment on a production line, reduces the labor intensity and the workload, simplifies the process flow, improves the production efficiency, and reduces the comprehensive production cost.

The invention discloses a construction process of a high-pressure stainless steel acetylene filled tube. The process comprises following steps of firstly, cutting, discharging and numbering of a mother tube; secondly, groove preparation; thirdly, sub tube discharging according to the mother tube; fourthly, sub tube outer burr grinding; fifthly, sub tube filling; sixthly, sub tube leveling; seventhly, sub tube inner grinding; eighthly, filling, shaping and sub tube spot welding; ninthly, assembling of straight tube segments; ninthly, pipe fitting and flange assembling; eleventhly, pipe fittingpadding filling; twelvethly, pipefitting industrialization prefabrication. According to the process, the straight pipe segments are wholly filled, a filling platform is developed, a whole filling method is adopted for construction, and the problems that due to one-by-one sub tube filling, the efficiency is low, and the quality is poor are solved; sub tube whole filling is carried out, after filling, sub tube arranging interval quality is good, staggered collapsing is avoided, the schedule is greatly improved, and the traditional straight pipe segment filling construction process is thoroughlychanged.

The invention relates to the technical field of rust removal and paint spraying, and particularly relates to an iron rod surface rust removal and paint spraying integrated device for hardware machining. The iron rod surface rust removal and paint spraying integrated device comprises a base table, a transmission assembly, a paint spraying frame and a moving assembly. A paint air pump sprays paint outwards through a spraying pipe from a spraying head. After an iron rod is ground, the iron rod immediately passes through the position below the paint spraying frame, and the paint is sprayed to thesurface of the iron rod through the spraying head. A grinding assembly of the iron rod surface rust removal and paint spraying integrated device for hardware machining is tightly connected with the paint spraying frame, so that the device achieves integration, accordingly, the occupied area of the device is reduced, and the using convenience is improved; and meanwhile, grinding rust removal and paint spraying are connected more tightly, the iron rod is prevented from being oxidized again after being ground and subjected to rust removal, and the rust removal and maintenance effect of the iron rod surface rust removal and paint spraying integrated device for hardware machining on the iron rod is improved.

The invention discloses a production technology of metal ice particles. The production technology comprises the steps of (1) cutting a metal sheet; (2) manufacturing metal components; (3) forming through holes in the side walls of a part of metal outer shells; (4) welding one metal component with through holes and another metal component without through holes, and manufacturing one hollow metal outer shell with an airtight cavity inside which communicates with the exterior through the through holes; (5) injecting a coolant through the through holes; (6) sealing the through holes through welding; and (7) carrying out grinding and polishing. Through the adoption of the technical scheme, the metal ice particles can be produced, reutilization is facilitated, and beverages are not diluted and do not go bad; the coolant is sealed in the metal outer shells, and the cooling effect of the metal ice particles is greatly improved; and production efficiency is high, manufacturing is facilitated, and grinding and polishing treatment intensity is low.

The invention relates to a lathe for screw machining of a screw rod pump, and relates to the field of screw processing of screw rod pumps. The lathe comprises a lathe body, a three-jaw chuck, a firstdrive component, a guide rail, a tailstock and a grinding device. The three-jaw chuck is arranged on the lathe body and used for clamping a screw. The first drive component is arranged on the lathe body and used for driving the three-jaw chuck to rotate. The guide rail is arranged on the lathe body. The tail bracket is arranged on the guide rail and used for jacking the screw. The grinding deviceis arranged on the lathe body. The grinding device comprises a base arranged on the lathe body, a bracket hinged on the base, a driving pulley rotationally connected with the bracket, a driven pulleyrotationally connected with the bracket, a grinding belt wound on the driving pulley and the driven pulley for grinding the screw, and a second driving component arranged on the bracket to drive the driving pulley to rotate. The grinding belt is pressed on the top of the screw. The lathe reduces the strength when the screw of the screw rod pump is manually ground.

The invention provides an outsole. The outsole sequentially comprises an outsole substrate, a rubber stock solution film layer attached on the outsole substrate and a release film layer attached on the rubber stock solution film layer. The outsole surface is smooth and clean, and the cumbersome surface treatment processes such as polishing and treating agent adding are omitted. The invention further discloses a method for attaching the outsole to a mid-sole. In the attaching process, a hardening glue type thin film is added, cohesiveness is good, when the outsole is attached to the mid-sole, cohesiveness-increasing post treatment processes such as gluing, glue spraying and pressing are not needed, mold and time cost is reduced, and the production efficiency is greatly improved. Meanwhile, the invention discloses a shoe sole made through the method for attaching the outsole to the mid-sole. The outsole and the mid-sole of the shoe sole are closely attached, and the shoe sole is attractive and durable.