47results about How to "Sleek shape" patented technology

An adapter insert is for the purpose of reinforcing or stiffening a flexible adapter for said guard system to provide greater support and stabilization in the peristomal region in an effort to help reduce herniation, and to help aid adhesion of a faceplate when worn short term without a guard when output is expected to be minimal, for instance, between meals. The conjoined insert and adapter are positioned between a faceplate and a pouch, their inner apertures surrounding the faceplate flanges or heat weld of an ostomy appliance, and worn under form-fitted clothing negating the need for a security strap.

The invention relates to an edge finishing method of a capacitive touch screen, comprising the steps of: respectively forming an inner protection layer and an outer protection layer at the inner and outer sides of an outer faceplate; grinding off the inner protection layer and the outer protection layer in the area of edges of the inner and outer sides of the outer faceplate by utilizing a grinding tool to form an uncovering area of the outer faceplate; and etching off partial outer faceplate material in the uncovering area by utilizing glass etching liquid to ensure that the edge of the outer faceplate is in a smooth shape through controlling etching quantity. In the invention, by means of the processing method, the edge of the outer faceplate of the capacitive touch screen has a smoother shape and the processing yield can be enhanced; the processing method is suitable for the processing of some thinner outer faceplates; moreover, the inner protection layer and the outer protection layer in the method can respectively serve as an anti-reflection optical layer and an anti-fingerprint coating to be reserved in an end product, thereby saving relevant processing steps.

A paint ball loader housing for supporting various paint ball loader systems. The housing may include a detachable top portion and adapters to further support various paint ball loading systems.

The invention relates to an electron paramagnetic resonance cavity capable of measuring human teeth in vivo. The resonance cavity is in a cylindrical shape, a rectangular detection port is arranged on the lateral face of a cavity body and penetrates along the lateral face of the cylinder in a chordwise mode, and the long side of the rectangular detection port is perpendicular to the direction where microwave magnetic-field components in the resonance cavity are located and is parallel to the direction of a current line located on the cavity wall. A pair of modulating coils is arranged on two sides of the detection point to enable the magnetic field modulation to work in the detection port. An allocation bolt outside a coupling hole is utilized to achieve coupling regulation between the cavity body and a microwave system. The whole structures of the resonance cavity and a coupling unit are made of brass. The electron paramagnetic resonance cavity is mainly used for in-vivo electron paramagnetic resonance (EPR) measurement of human teeth, achieves quick estimation of radiation dosage, and can implement paramagnetic resonance detection on samples which cannot be placed in the resonance cavity conveniently due to large volume or of which integral structures are not suitable for being damaged outside the cavity.

The invention discloses a preparation method of a Mo-containing TiCN-based composite coating. The method comprises the following steps that firstly, the surface of a substrate sample is roughened; secondly, Ti / C composite powder and Mo powder are mechanically blended to obtain original feed composite powder; thirdly, the surface of a substrate is pre-coated with Ni-10%wtAl self-refluxing alloy power, so that a base layer with the thickness being 90-120 [mu]m is obtained; and fourthly, the surface of the base layer is coated with the original feed composite powder, so that a TiCN-Mo metal-based ceramic composite coating with the thickness being 300-500 [mu]m is obtained. The plasma-spraying TiCN-Mo metal-based ceramic composite coating is high in hardness, good in abrasion resistance and corrosion resistance, suitable for workpieces, such as cutters, drill bits, moulds and the like in the fields of machinery, automobile making, aerospace and the like, under abrasive and corrosive environment conditions, and the plasma-spraying TiCN-Mo metal-based ceramic composite coating has extremely wide application prospects.

The invention relates to the field of civil engineering construction, and provides a construction process of a mold-free concrete spraying beam. The construction process is used for reinforcing engineering of anchor rod lattice beams in slope protection engineering, foundation pit engineering and the like. The construction process of the mold-free concrete spraying beam comprises the following steps that A, slope treatment is carried out, specifically, a mountain body is excavated in a graded mode according to the designed slope rate, the height of each grade is 8-10m, and the slope surface isleveled or sprayed concrete is adopted for initial protection; B, anchor rod installation (including prestressed anchor rods and non-prestressed full-length bonding anchor rods) is carried out; C, full-length steel bars are arranged along the slope surface in a # shape, a square steel bar cage is formed through binding of stirrups, the sprayed concrete is sprayed back and forth for a plurality oftimes along the steel bar cage in a wet spraying mode to form the lattice beams, and the anchor rods are located at the cross joints of the lattice beams; and D, after the strength of the concrete meets the requirement, the prestressed anchor rods are tensioned and locked, the step A to the step C are repeated to enter the next grade of slope prestressed anchor rod lattice beam construction, andthe construction process is worthy of application and popularization.

The invention relates to automatic angle iron bending equipment for steel structure processing. The automatic angle iron bending equipment for steel structure processing comprises a supporting bottomplate, a lifting device and a bending device, wherein the bending device is mounted in the middle of the supporting bottom plate; the lifting device is mounted on the top of the outer end of the supporting bottom plate; the lifting device comprises a lifting push rod, a lifting supporting plate, a pressing supporting rack, a straightening mechanism, a pressing mechanism, a cutting hydraulic cylinder and an electric cutter. The automatic angle iron bending equipment for steel structure processing provided by the invention can solve the problems that the extrusion shape of angle iron is unsmoothwhen the angle iron is extruded annularly, the top of the angle iron will deform if being bent, the angle iron cannot be cut automatically, the unbent part cannot be limited in position when the angle iron is bent and the angle iron needs to be bent by matching with manpower and the like, and can achieve the functions of bending the angle iron, automatically cutting the angle iron and extruding the angle iron annularly.

The invention discloses a flexible mechanical gripper and a working method thereof. The gripper comprises a main frame, a transverse moving module, a longitudinal moving module, a locking module, a torsional spring module, a finger module and a sensor module, wherein the main frame is connected with a mechanical arm; the transverse moving module is installed on the main frame; the transverse moving module is of a structure that a gear, a rack and a sliding block are matched, and thus the longitudinal moving module installed on the sliding block can move horizontally; the longitudinal moving module comprises a structure that a driving wheel, a driven wheel and a lead screw are matched, and thus longitudinal moving of the finger module is achieved; two-dimensional moving of the fin-shaped finger module is achieved through the longitudinal moving module and the transverse moving module; the locking module is connected with the torsional spring module; the torsional spring module is connected to the fin-shaped finger module and used for fixing the direction of the finger module; the sensor module comprises a binocular vision sensor; and the binocular vision sensor is embedded in the front side of the main frame and used for recognizing the position of a target. The special structure applied to the gripper can adapt to most common objects, and various requirements are met basically.

The invention discloses a humic acid type functional blended fertilizer and a preparation method thereof, and relates to the technical field of blended fertilizers. The humic acid type functional blended fertilizer comprises nitrogen phosphorus and potassium, humic acid, attapulgite powder, a coating film, a granulation material, nitrogen fertilizer film coating liquid, nitrogen fertilizer film coating powder, phosphorus fertilizer film coating liquid, potassium fertilizer granulation liquid and potassium fertilizer granulation powder, wherein the nitrogen fertilizer film coating liquid comprises animal amino acids, urea, zinc sulfate, manganese sulfate, boric acid, sodium molybdate, compound sodium nitrophenolate, citric acid, ammonium citrate, magnesium sulfate and the balance of water; the nitrogen fertilizer film coating powder comprises vitamin B1, vitamin B6, vitamin B12, sodium selenite, calcium pantothenate, p-amino toluic acid, modified starch and cobalt chloride; the phosphorus fertilizer film coating liquid comprises animal amino acids, urea, zinc chloride, manganese chloride, boric acid, magnesium chloride and the balance of water; the potassium fertilizer granulation liquid comprises animal amino acids, urea, ferrous chloride, zinc chloride, manganese chloride, boric acid, ammonium citrate, compound sodium nitrophenolate, magnesium chloride and the balance of water; and the potassium fertilizer granulation powder comprises vitamin B1, vitamin B6, vitamin B12, calcium pantothenate and EDTA-2Na. The fertilizer has high utilization rate and the yield of crops is increased.

The invention discloses a preparation method of a Cr-containing TiCN-based composite coating. The method comprises the steps of step 1, carrying out roughening treatment on the surface of a matrix sample; step 2, mechanically mixing Ti / C composite powder with Cr powder to obtain original feeding composite powder; step 3, spraying Ni-Al self-fluxing alloy powder on the surface of a matrix in advance to obtain a bottom layer of which the thickness is 90 to 120 <mu>m, wherein the weight percent of Al in the Ni-Al self-fluxing alloy powder is 10 wt%; and step 4, spraying the original feeding composite powder on the surface of the bottom layer to obtain a TiCN-Cr metal-based ceramic composite coating of which the thickness is 300 to 500 <mu>m. The plasma spraying TiCN-Cr metal-based ceramic composite coating provided by the invention has relatively high hardness and good abrasion resistance and corrosion resistance, is suitable for working under abrasive and corrosive environment conditions like the fields of machinery manufacturing of cutting tools, drills and molds, automobile manufacturing and aerospace, and has quite wide application prospect.

The invention belongs to the field of comprehensive utilization of solid wastes, and particularly relates to liquefied consolidated soil and a preparation method thereof. According to the liquefied consolidated soil, soil is used as a main raw material, a cementing material, a dispersing agent, an additive and water in a certain proportion are added, a vibration stirring technology is adopted, aggregate is made to be uniform in macro and micro, a large-flow-state and pumpable liquefied consolidated material is formed, the strength, density and expansion degree are adjustable, and the liquefied consolidated soil is suitable for backfilling of fertilizer grooves, pipe culverts, cavities and abutment backs and reinforcing of building foundations, road subgrade filling, and riverway, lake and coastline embankment reinforcement, seepage prevention and the like. The problems of narrow space, non-uniform compaction of special-shaped end faces, improper non-excavation cavity backfilling and non-uniform mixing of the flow-state solidified soil by using the traditional mixing equipment are solved, and the liquefied consolidated soil has the advantages of no vibration, self compaction, high strength, anti-permeability, seismic resistance, stable volume and environmental protection.

The invention discloses a preparation method of five-twin-crystal decanedron gold-silver alloy particles comprising chloroauric acid, silver nitrate, polyvinylpyrrolidone, water and N, N-dimethylformamide, and the five-twin-crystal decanedron gold-silver alloy particles prepared through the preparation method. The invention further discloses a preparation method of five-twin-crystal gold particles comprising chloroauric acid, the five-twin-crystal decanedron gold particles, polyvinylpyrrolidone, water and N, N-dimethylformamide, and also discloses the five-twin-crystal gold particles with the shape similar to spheroids, the pentagon dodecahedral five-twin-crystal gold particles with all crystal faces being {110} crystal faces, the pentagon-star five-twin-crystal gold particles with a part of crystal faces being {110} crystal faces, and the chamfered-decanedron five-twin-crystal gold particles with a part of crystal faces being {110} crystal faces, wherein all the five-twin-crystal gold particles are prepared through the preparation method. According to the five-twin-crystal gold-silver alloy particles, the preparation method of the five-twin-crystal gold-silver alloy particles, the five-twin-crystal gold particles and the preparation method of five-twin-crystal gold particles, the five-twin-crystal structure and the high-energy {110} crystal faces are combined for the first time, so that the five-twin-crystal gold particles have more physicochemical properties determined by shapes and forms.

The invention relates to vitamin E soft capsules and a preparation method thereof. The vitamin E soft capsules consist of an inclusion and capsule shells, wherein the inclusion comprises the following raw materials in parts by weight: 10 to 60 parts of natural vitamin E and 10 to 80 parts of maize germ oil. Compared with the prior art, the vitamin E soft capsules have the advantages of high safety, high absorption, strong pertinence and the like.

The invention provides an anti-blocking buckle of an infiltrating irrigation pipe. The problem that in the prior art, silt and capillary roots cause blocking easily is solved. The anti-blocking buckle comprises two symmetric arch pieces, the two arch pieces are in butt joint to form a pipe-shaped part for coating the infiltrating irrigation pipe, flow grooves for water flow to pass through are formed in the inner walls of the arch pieces, water outlet channels are formed in the edges of the arch pieces, the flow grooves are communicated with the water outlet channels, the orthographic projection, on the anti-blocking buckle, of a water outlet of the infiltrating irrigation pipe is located in the flow grooves, anti-blocking flexible films are fixedly suspended above the flow grooves and correspond to the water outlet in the infiltrating irrigation pipe, and the area of the anti-blocking flexible films is larger than that of the water outlet in the infiltrating irrigation pipe; under normal pressure, the anti-blocking flexible films do not make contact with the bottoms of the flow grooves or the water outlet. By means of the design of the anti-blocking flexible films, the anti-blocking buckle can play a role in flow blocking during infiltrating irrigation and can prevent the situation that when water supply is cut off, negative pressure is formed in the infiltrating irrigation pipe to suck the silt and capillary roots into the anti-blocking buckle to cause clogging.

The invention discloses an 3D-printed negative pressure isolation ward establishing method based on topology optimization. According to medical requirements and use working conditions, the computer topology optimization technology is adopted to conduct space optimization design, and the optimal space shape is determined; according to medical equipment and a conventional treatment method, an instrument cabin window and a medical treatment cabin window are designed and reserved; according to the storage and transportation standards, the service cycle and the work condition of the medical equipment, printing building materials are selected; a printing path and machining steps are designed; and according to the thickness and hoisting points of the building materials, the 3D printing technologyis adopted to print the negative pressure isolation ward through layered printing or integrated printing or segmented printing according to the preset structure space shape. The 3D-printed negative pressure isolation ward establishing method based on topology optimization can form a continuous airtight medical treatment space which is reasonable in space stress and in a special structure shape. The established 3D-printed negative pressure isolation ward has the advantages of being rapid in establishing speed, good in use performance, high in mechanical degree, convenient to transport and capable of being spliced and combined and meeting the anti-epidemic treatment demand under the infectious respiratory tract epidemics.

The invention belongs to the field of comprehensive utilization of solid wastes, and particularly relates to a liquified consolidation material and a preparation method thereof. Solid wastes in industry, mining and construction industries as raw materials, a low-activity composite cementing material, a filling material, pulping liquid and an additive are prepared into a vibration liquefied consolidation material which is uniform in macrocosmic and microcosmic, large in flow state and capable of being pumped through a vibration stirring process. The liquified consolidation material has the advantages of being high in mobility, free of backfilling dead corners, self-hardening, free of vibration during forming, high in strength, anti-seepage, anti-seismic, stable in size, environmentally friendly and the like, is suitable for backfilling of fertilizer grooves, pipe culverts, cavities and abutment backs, reinforcing of building foundations, filling of road roadbeds, reinforcing and seepage prevention of river channels, lakes and coastline embankments and the like, and solves the problems that the space is narrow, tamping of special-shaped end faces is uneven, non-excavation cavity backfilling is not in place, and traditional stirring equipment for the flow-state solidified soil is not uniform in stirring.

The invention discloses a method for improving structure properties of a high-silicon aluminum alloy. The method includes the following steps that the high-silicon aluminum alloy is obtained and put in a graphite crucible and put in a pit furnace; the temperature increasing rate and the set temperature are set, then temperature is increased, and heat preservation is performed after the temperature reaches the set temperature; then the graphite crucible is taken out and put in a low-frequency magnetic field coil, and electromagnetic and mechanical coupling stirring is performed under the condition of heat preservation; and casting is performed after stirring is finished, and the temperature is decreased to the room temperature through cooling. By means of the method for improving the structure properties of the high-silicon aluminum alloy, the size and morphology of primary silicon can be effectively improved, and the structure properties of the high-silicon aluminum alloy are improved. By means of the method, the size of primary crystal silicon of the obtained alloy is reduced, the shape is round smoothly, and meanwhile, no aggregation occurs; and the shape of the structure of eutectic silicon is changed from needle shape to worm shape or dot shape. Accordingly, the problems that separating of the alloy structure occurs due to big and thick primary crystal silicon and shape-angle primary crystal silicon, the mechanical properties of alloys are severely affected, and continuity of the substrate structure properties is affected by aggregation of primary crystal silicon are solved.

An adapter insert is for the purpose of reinforcing or stiffening a flexible adapter for said guard system to provide greater support and stabilization in the peristomal region in an effort to help reduce herniation, and to help aid adhesion of a faceplate when worn short term without a guard when output is expected to be minimal, for instance, between meals. The conjoined insert and adapter are positioned between a faceplate and a pouch, their inner apertures surrounding the faceplate flanges or heat weld of an ostomy appliance, and worn under form-fitted clothing negating the need for a security strap.

The invention relates to a high-toughness ferrous alloy coating for thermal spraying. The coating is prepared by thermally spraying powder made of a metal material, and the metal material comprises the following chemical components in percentage by weight: 5.3-6.8 percent of Cr, 0.37-0.55 percent of C, 0.8-1.4 percent of Si, 1.5-2.3 percent of Mn, 0.62-0.88 percent of Zn, 0.24-0.37 percent of Sb, 0.35-0.47 percent of Ti, 0.5-1.0 percent of Ni, 0.12-0.19 percent of Cd, 0.11-0.17 percent of Mo, 0.25-0.41 percent of lanthanides and the balance of Fe and inevitable impurities, wherein the sum of the weight percentage of Mn and Ni is 1.2-3.6; and the metal material contains at least one of Mo and Nb, and the total content of Mo and Nb is 3-7 percent; the microstructure of the coating is as follows: Cr7C3 strengthening phase is dispersed into austenite; the lanthanides comprise the following ingredients in percentage by weight: 20-24 percent of Ce, 10-13 percent of Sm, 3-6 percent of Gd, 12-15 percent of Pr, 7-11 percent of Nd and the balance of La, and the sum of the weight percentage of the ingredients is 100 percent. The ferrous compound spraying powder has better high temperature oxidation resistance and can avoid over oxidation in the spraying process, so that the compactness of internal combination of the coating is improved. Meanwhile, after spraying, the pore size in the coating is moderate, the pore shape is smooth, and the generation of cracks is effectively reduced, so that the oil storage function of a cylinder body can be well played.

The invention discloses high-protein-content compound flour. The high-protein-content compound flour is prepared from the following raw materials in parts by weight: 150-200 parts of wheat, 25-50 parts of soybean protein, 30-50 parts of walnut protein, 5-15 parts of cocoa powder, 50-70 parts of red dates, 15-30 parts of red beans, 5-15 parts of butter, and 3-5 parts of a conditioner. The inventionfurther discloses a preparation method of the high-protein-content compound flour. The preparation method of the high-protein-content compound flour comprises the following steps: mixing wheat flourground by a wheat grinding apparatus with the conditioner, the soybean protein and the like; and the grinding process is free of other processing treatments such as heating and the like, so that, nutrients, including protein, carbohydrate and the like, in the wheat can be relatively well preserved. The conditioner comprises modified corn starch granules which are porous, smoother in granule morphology, reduced in particle size and relatively uniformly distributed. Thus, the finally prepared high-protein-content compound flour has stronger gluten network; so that, dough prepared by using the flour is tougher and improved in mouth feel.

The invention provides an aluminum-titanium-boron-strontium-rare earth alloy wire rod and a preparation method. The aluminum-titanium-boron-strontium-rare earth alloy wire rod is prepared from, by weight, 90-110 parts of metallic aluminum, 20-30 parts of potassium fluotitanate, 10-15 parts of potassium fluoborate, 3-8 parts of lanthanum-cerium mixed rare earth and 3-8 parts of metallic strontium.The alloy wire can replace alloys needing to be refined and modified respectively, homogenization and extrusion treatment are used in the preparation process, product crystal grains are finer and moreuniform in distribution through multiple actions of heat treatment and external force, and the alloy wire rod is more efficient than a traditional product.

The invention discloses a production process of high-quality brown sugar guokui with exquisite taste. The production process includes steps of ingredient mixing, dough kneading, dough pressing, dispensing, shaping, proofing, steaming, cooling and packaging. The whole preparation process is simple and suitable for large-scale promotion and production. By adopting novel steaming and cooling equipment, influences on guokui due to the falling of guokui oil during steaming can be avoided, the taste of the guokui can be improved, and the quality of a product can be further enhanced.

The invention discloses a simple safety valve shield for a stand column. The simple safety valve shield comprises a thin-wall steel sheet groove shaped structure with three sides enclosed and one sideopen; the upper end of the groove structure is sealed and the lower end of the groove structure is opened; corresponding small holes are formed in opposite lateral sides of the groove structure; andthe small holes are provided with cotter pins or other fixing pieces in a penetrating mode. When the safety valve is mounted at the stand column, the shield is fastened; and the small holes are penetrated by the fixing pieces and the shield is fixed. The fixing pieces are mounted under a valve seat of the safety valve. The shield is free of a lug plate. The structure is simple and the outline is smooth; only the cotter pins are needed to fix between the shield and the stand column, installation and disassembly are convenient; the stand column is free of welding a valve pad, and therefore the cost is lowered and influence on a cylinder intensity is avoided.

The invention discloses a handrail used for a large-inclination angle hydraulic support. Fixing parts are arranged on stand columns of the large-inclination angle hydraulic support, and bus handrailsare connected to the fixing parts. The fixing parts are clamping hoops which are formed by pressing steel plates, and the clamping hoops are fixed to the stand columns through bolts and nuts. Each clamping hoop comprises two bent plates, wherein pressing blocks are arranged at the butt-joint positions of the two bent plates and fixedly connected with the bent plates through bolts and nuts, and nylon belts are fixed to the pressing blocks and connected with the bus handrails. The handrail is good in standardization degree, convenient to purchase and low in cost because mold manufacturing is adopted; the handrail is smooth in appearance, bright in color, attractive, convenient to identify by operation workers and comfortable to use; the handrail is simple in structure and convenient to install and detach, and fixing positions can be adjusted.

The invention provides a solid wood hanger with good load-bearing capacity and convenient assembly. The solid wood hangercomprises a wooden frame body and a hook arranged on the frame body. The solidwood hanger is characterized in that the frame body comprises a left support arm and a right support arm,the upper end of the left support arm is connected to the upper end of the right support arm toform an obtuse angle, and the lower end of the left support arm and the lower end of the right support arm are respectively provided with an anti-dropping structure. The wooden frame body has betterhardness and can support a certain weight of clothes. The left support arm, the right support arm and a cross bar form a triangular structure so that the stability of the frame body is ensured, and the left support armand the right support arm are not on thesame plane to help to support the clothes and unfold the clothes; meanwhile, in consideration of the problems of the hanger assembly and the external convexity of a connection position, the left support armand the right support arm are connected by a tenon structure, the side surface of the frame body is not provided witha convexity position, and productsare sleek and beautiful,have good touch and do not need to be wrapped separately so that the production and the cost control are facilitated.

The invention discloses a cymbal manufacturing device, belongs to the technical field of musical instrumental manufacturing industry, relates to the manufacturing instrument for musical instruments, and particularly to a manufacturing device for a cymbal, and aims to solve the technical problem of providing the cymbal manufacturing device which is high in processing speed, good in manufacturability and high in manufacture precision. The technical scheme adopted for solving the technical problem is that the cymbal manufacturing device comprises a rack, and a support fixedly arranged at the upper part of the rack, wherein the rack is supported by four supporting legs; a positioning disc is arranged above the rack; a driving wheel is arranged below the rack; the positioning disc and the driving wheel are connected through a shaft arranged on the rack; the shaft is connected with the rack through a bearing; the driving wheel can drive the positioning disc to rotate; multiple lug bosses are further arranged at the upper part of the rack, uniformly distributed around the center of the positioning disc in a circular shape, and are all arranged at the outer part of the positioning disc. The cymbal manufactured by adopting the manufacturing device provided by the invention is round and smooth in appearance and clear in sound, and moreover, the manufacturing device is time-saving and labor-saving.

The invention discloses a wide / narrow row potted-seedling transplanting mechanism with nine-axis noncircular bevel gear planetary gear trains. A seedling needle of the existing wide / narrow row rice potted-seedling transplanting mechanism is large in lateral offset, inaccurate in seedling taking position and very low in seedling taking rate during seedling taking. According to the wide / narrow row potted-seedling transplanting mechanism, two planetary gear trains are symmetrically arranged at two ends of a central shaft and can adopt two mechanical forms, wherein the first mechanical form is four-stage transmission of fifteen noncircular bevel gears, and the second mechanical form is four-stage transmission of nine-axis noncircular bevel gears. By using the two mechanical forms, a rice transplanting point can laterally offset relative to a seedling taking point after a seedling is taken by a seedling taking claw, so that the wide / narrow row potted-seedling planting is realized. The four-stage gear transmission is beneficial for the seedling taking claw to form an 8-shaped spatial motion track; and compared with two-stage gear transmission, the four-stage gear transmission has the advantages that the lateral offset of the track during seedling taking is small, and the seedling taking claw is in a straight seedling taking posture, so that the seedling taking success rate is ensured. Meanwhile, the four-stage transmission can keep transmission ratio curves of all levels of gears more flat and is beneficial to generation of the noncircular bevel gears meeting the requirements of convexity and pressure angles.