Influence Of Technological Factors Research Articles

Influence of technological factors on assembly accuracy on the example of a cylindrical two-stage coaxial gearbox 4MTs2S-80

The influence of technological factors on the assembly accuracy of a cylindrical two-stage coaxial gearbox is considered.

ВЛИЯНИЕ ТЕХНОЛОГИЧЕСКИХ ПАРАМЕТРОВ НА ХАРАКТЕРИСТИКИ ПОЛИМЕРНЫХ КОМПОЗИЦИОННЫХ МАТЕРИАЛОВ ПРИ АВТОМАТИЗИРОВАННОЙ ВЫКЛАДКЕ ПРЕПРЕГОВ (обзор)

The main technological factors when using ATL and AFP technologies are material temperature, laying speed, rolling pressure and no deviation from the required laying trajectory. The article discusses the influence of technological factors on some characteristics of polymer composite materials. The optimum laying temperature should provide the required adhesion. The rate of laying should provide heating of the material without its technological properties. The rolling pressure during laying should ensure optimal porosity and thickness of the material.

ВЛИЯНИЕ ТЕХНОЛОГИЧЕСКИХ ФАКТОРОВ

The article contains a study of the influence of technological factors on the formation of a film antifriction coating when applied to parts of cars and cars. The article presents a methodology and results of calculating the adhesion strength of a film coating with a steel base. The equipment used to determine the adhesion strength is presented. The technique of using the specified equipment is described. The dependence of the adhesion strength on the modes of film coating is established and described. Recommendations have been developed for the selection and method of applying film antifriction coatings during the maintenance and repair of motor vehicles.

COMPLEX-SHAPED PARTS GRINDING TECHNOLOGY INFORMATION ENSURING

A method of computer-aided design and manufacture of complex-shaped parts of machines and implants from difficult-to-machine materials (titanium, cobalt-chromium alloys, zirconium dioxide, etc.) has been developed, based on the principles of building an integrated CAD/CAM/CAE system of computer-aided designing and a hierarchical intelligent numerical control system. It is shown that kinematical mechanisms created over the past several centuries do not allow reproducing with the required accuracy the joints movement of living organisms for their use in biomedical implantation technologies. Therefore, the worn out joints of living organisms are reconstructed by adding complex-shaped parts from these difficult-to-machine materials. Information about the geometric shape of these parts (3D model) at the pre-production stage is obtained using modern methods of computed tomography and magnetic resonance imaging, and at the production stage the actual location of the stock grinding allowance is measured by laser (or tactile) scanning. To reduce the unevenness of the position of the grinding stock allowance, the workpiece of a complex-shaped part before grinding is oriented in the coordinate system of a CNC machine based on the established criterion for minimizing the allowance. An example of such orientation of the gear workpiece is given. This workpiece is measured with a Renishaw tactile probe on the left and right sides of the gear valleys before gear grinding. Both the minimum allowance on the left and right sides of the valleys and the difference between them are determined, and then additionally the gear wheel blank is rotated in the appropriate direction to align these minimum values detected. In turn, the aligned minimum allowances, should be sufficient to compensate for the influence of technological factors from the previous operation and the error in setting the workpiece for this operation. For complex-shaped implants, such an additional orientation is performed, for example, according to algorithms for ensuring the minimax value of the allowance.

Правова цифровізація як інтегральний метод формалізації права

Метою статті є розкриття поняття правової цифровізації як інтегрального методу формалізації права, виявлення значення цифровізації для системи права, переваг та ризиків використання цифрових технологій в різних галузях права.
 Наукова новизна статті полягає у дослідженні характеристики стану сучасного права в умовах поширення цифрових технологій, їх впливу на зміст і структуру права, а також у виявленні переваг і загроз, пов’язаних із застосуванням цифровізації. Викладені положення, узагальнення, висновки та пропозиції мають як загальнотеоретичне, так і прикладне значення для розвитку базових концепцій теорії права.
 Висновки. Сьогодні використання цифрових технологій в соціально-економічних і виробничих процесах вимагають актуалізації чинних нормативно-правових положень, а також трансформації правової системи в напрямку забезпечення її відповідності цифровізації. Багатовекторність застосування «цифри» дає підстави вважати, що на даному етапі активно формується цифровий простір і пов’язана з ним нова галузь права – цифрове право як сукупність норм або цифрових стандартів у формі комп’ютерних програм та алгоритмів.
 За нашим визначенням, правова цифровізація – це інтегральний метод формалізації права, активного системного оперування нормативно-правовими масивами, що трансформуються або відображаються за допомогою комп’ютерних програмних кодувань.
 З метою оптимізації правовідносин, а також створення нової цифрової реальності правова цифровізація також вимагає правового регулювання або присутності уповноваженого державою регулятора.
 Вплив технологічного фактора призводить до трансформації традиційного права. Втім, впровадження правової цифровізації у правотворчий процес сприятиме покращенню системи права в контексті її упорядкування, систематизації, усунення прогалин і суперечностей. Розвиток цифрової нормотворчості відбувається на основі цифрових моделей та шляхом трансформації класичного паперового законодавства в норми права, придатні одночасно для використання як людиною, так і машиною.

Study on the influence of technological factors on drug loading of poorly water-soluble drug on MCM-41 mesoporous carrier

The present study explored solvent impregnation drug loading process of the poorly soluble non-steroid anti-inflammatory drug indomethacin on MCM-41 type mesoporous silica carrier. Different technological factors that can influence drug-loading process as time of reaction, temperature, use of non-solvent as well as different ratios between drug and MCM-41 were studied. TEM and DLS were used to characterize physicochemical properties of obtained particles. The influence of drug-loading rate on dissolution process were studied using in-vitro release tests. Our results established that changes in explored technological factors could lead to different indomethacin loading. Moreover, the in-vitro release tests proved that drug loading rate had a direct influence on indomethacin release from MCM-41 particles. Our finding suggested that by tuning the main technological factors it would be possible different drug delivery systems with different drug loading rate to be obtained.

Tool Performance Under Ultrasonic Reaming

The widespread adoption of ultrasonic processing methods was hindered by the lack of reliable ultrasonic heads. Currently, in connection with the widespread production of piezoceramic transducers of various shapes and sizes, it has become possible to abandon bulky magnetostrictive transducers requiring individual cooling. The creation of light piezoceramic heads and their implementation in production is associated with targeted comprehensive studies to determine the magnitude and direction of ultrasonic vibrations, the influence of technological factors on the surface roughness and accuracy of the obtained holes. This processing method is especially important in aircraft engine building, where the issue of obtaining quality holes is particularly acute. Difficulties in the processing of holes by reaming are associated with the low machinability of the used steels and alloys in aircraft engine construction. The cutting edges wear out at the intersection of the intake cone and the calibrating part the more intensively, the higher the processing conditions. The process of holes reaming is one of the most difficult and critical stages of machining, on which the quality and the final result of the machined parts depend. This paper describes the experiment and gives experimental data on the influence of the magnitude and direction of ultrasonic vibrations on the resistance of a cutting tool, as well as the effect of wear on surface roughness and accuracy of machined holes. The research has established a significant advantage of ultrasonic reaming in terms of surface roughness, the accuracy of holes, and the resistance of the cutting tool in workpieces made of difficult-to-process materials.

The influence of technological factors during pressing tungsten carbide insert cutter in the cone of the roller cone bits for the reliability connection

One of the key aspects, which are designed to ensure the quality’s production of cones for roller cone bits drill bits with carbide insert cutter are presented. The influence of technological parameters on the formation of holes for planting carbide insert cutter and the assembling operation of the connection tungsten carbide insert cutter-cone. The analysis showed that at the stages of holes reaming operations there are the most problems in quality assurance. Based on numerous experiments on different sizes of carbide insert cutter, it is established that the speed of the pressing process is extremely important. Analysis of cut and disassembled such joints revealed that the walls of the hole have a significant plastic deformation, micro cracks, and in some places chips formed at the bottom of the hole. The parameters of deviation in the roughness of such surfaces were also investigated. If we use the recommendations, then we found that wetting the carbide insert cutter in oxidized paraffin reduces the plastic deformation of the hole’s wall in half. This allows you to increase the tension in the connection. In order to increase the accuracy of the pressing operation, a special device was developed, which allowed accurately orienting the carbide insert cutter before pressing, as well as significantly reducing the shortage. Analysis of the hole’s walls on the steel AISI 9315H revealed that at tensions up to 0.068 mm there was an elastic deformation, then up to 0.148 mm, and then with increasing tension was obtained significant plastic deformation. Theoretically and experimentally substantiated developed methods to improve the technology of drilling bits, which minimizes the deformation of cones and carbide, insert cutters. The main purpose was to determine the empirical dependence, which allows establishing the relationship between the roughness parameters and the amount of tension in the connection cone- carbide insert cutter .

Technological suitability of semi-coke as a carbon reducer in production of manganese and silicon alloys

The article presents results of testing semi-coke as a carbon reducing agent in the production of manganese and silicon alloys. The fundamental possibility of using semi-coke in carbon part of the charge as a basic reducing agent for the production of ferrosilicon manganese is established. It is noted that the new reducing agent in its pure form works worse than in the mixture with coal. The greatest synergistic effect in the production of ferrosilicon manganese was achieved during the interaction of semi-coke with coal, while the following indicators were obtained: maximum furnace productivity of 43 t/day, maximum extraction coefficient of 87.9 %, and minimum specific dust formation of 49 kg/t of alloy. In the production of ferrosilicon the use of a new reducing agent did not give a significant positive effect, due to its low structural strength. It was revealed that the structure and type of the reducing agent affect the furnace performance: when using a reducing agent with a higher reactivity in the charge, it is possible to obtain higher furnace performance. In the production of ferrosilicon, a change in the specific dust generation is closely related to the level of daily production and specific energy consumption and can serve as an indicator of the furnace operation. The furnace performance, ceteris paribus, is determined by the amount of useful power input. With an excess of carbon in the charge an increase in useful power leads to a slight increase in the furnace performance, but at the same time, the energy consumption and specific dust formation significantly increase. It is shown, that the influence of technological factors on the technical and economic indicators of melting is determined by the degree of electrode seating in the furnace.

Validation of emulsifying properties of semi-finished product based on low-lactose milk whey

This paper presents rheological and organoleptic studies of emulsion systems using a semi-finished product based on condensed low-lactose whey and fermented pumpkin pulp puree (SPCLLW). The positive influence of SPCLLW on the structure of emulsion systems was found, which was confirmed by expert sensory evaluation. The research confirms the component compatibility of SPCLLW and vegetable oil as a part of emulsion systems. This paper scientifically proves the influence of technological factors on the parameters of emulsification of a semi-finished product based on condensed low-lactose whey and fermented pumpkin pulp to ensure its target properties as an emulsifier and stabilizer in the technology of emulsion sauces. The experiments revealed the change in the quantitative values of the determinants of emulsion systems, such as viscosity and inversion stability, depending on the values of the pH of the medium, the emulsification temperature, the rate of oil dripping and the rotation of the working body of the mixer. It was proved that the acidification of the medium increases the viscosity of the emulsion system, therefore it is advisable to use SPCLLW in the composition of salty sauces of the emulsion type. There is a direct relationship between the manifestations of inversion instability and the increase in temperature of the emulsification process. The research reveals the inversely proportional effect of the rotation speed of the working body of the mixer on the increase in viscosity of the studied systems. Mathematical optimization is carried out for certain ranges of numerical values of parameters of separate indicators of the technological process. Rational parameters of the emulsification process are determined: temperature index – 18 °С, emulsification rate – 0.09…0.11 ml/s, pH from 5.0 to 5.5, rotation speed of the working organism of the mixer – 500 rpm. The research confirms the possibility of using SPCLLW as a part of emulsion systems, in particular sauces of emulsion type.

Вплив технологічних факторів на процес виробництва та якість хліба зі спельтового борошна

Вплив технологічних факторів на процес виробництва та якість хліба зі спельтового борошна

Вплив технологічних факторів на процес виробництва та якість хліба зі спельтового борошна

Вплив технологічних факторів на процес виробництва та якість хліба зі спельтового борошна

Influence of Technological Factors on the Decomposition Process of Nitrous Oxide (I)

Denisova KO*, Ilyin AA, Rumyantsev RN and Ilyin AP Author Affiliations Ivanovo State University of Chemical Technology pr, Russia Received: June 05, 2020 | Published: June 19, 2020 Corresponding author: Denisova KO, Ivanovo State University of Chemical Technology pr, Russia DOI: 10.26717/BJSTR.2020.28.004642

Study of the influence of technological factors on improving the efficiency of ferroelectrically hard piezoceramic material PСR-8

Structure, microstructure, dielectric, and piezoelectric properties of PZT-based hard piezoceramics PCR-8 sintered by different methods were studied. It is shown that hot pressing and spark plasma sintering contribute to an increase in the ceramics density and improve their functional parameters, as well as lower sintering temperature. The optimal technological conditions for the mass manufacturing of the piezoceramics with enhanced dielectric and piezoelectric properties are determined. The obtained experimental results are discussed and the prospects for the application of the considered technological methods are outlined.

Researh of Influence of Technological Factors of Formation of Plasma Coatings on their Thermal Technical Properties

The article considers issues related to the choice of abrasive material and technology of its use for the formation of necessary roughness on the base material and necessary heat resistance of the heat-protective coating during plasma spraying. The influence of the shape and size of the abrasive on final roughness of the treated surface was studied at various angles of contact between the sprayed abrasive and the surface (angle of attack). From the condition of maximum heat resistance, the composition of the heat-resistant composite coating of the spinel type was determined, which consists of 3 layers: the 1st layer (sublayer) material is a chromium-aluminum composite and the 2nd layer of a transitional spinel-based aluminum and chromium oxide + chromium-aluminum composite and the 3rd a layer of spinel based on aluminum and chromium oxides.

Вплив технологічних факторів на властивості високоміцного алюмінієвого сплаву системи Al-Zn-Mg-Cu

Вплив технологічних факторів на властивості високоміцного алюмінієвого сплаву системи Al-Zn-Mg-Cu

The Influence of Technological Factors on the Strength of Adhesive Joints of Steel Sheets

The Influence of Technological Factors on the Strength of Adhesive Joints of Steel Sheets

Odour Emissions of Municipal Waste Biogas Plants—Impact of Technological Factors, Air Temperature and Humidity

Biogas plants processing municipal waste are an important part of a circular economy (energy generation from biogas and organic fertiliser production for the treatment of selectively collected biowaste). However, the technological processes taking place may be associated with odour nuisance. The paper presents the results of pilot research conducted at six municipal waste biogas plants in Poland. It shows the relations between odour intensity and concentration and the occurring meteorological and ambient conditions (air temperature and relative humidity) and technological factors at biogas plants processing municipal waste. The impact of meteorological and ambient conditions was identified by measuring air temperature and relative humidity and observing their changes. The impact of technological factors was identified by measuring odorant concentration (volatile organic compounds and ammonia) and observing their changes between individual measurement series. At most analysed biogas plants, the influence of technological factors on odour emissions took place and was clearly noted. The elements of biogas installations characterised by the highest concentration of these odorants were indicated. Special attention should be paid to the choice of technological solutions and technical and organisational measures to reduce the impact of unfavourable atmospheric conditions on odour emissions.

Development of Formulation and Technology of Low-lactose Dairy Beverage Made from Goat Milk

The concept of lactose intolerance and solution approaches of this problem using modern dairy processing technologies are considered in this study. The protein and lipid constituents were calculated to select the basis of a low-lactose milk beverage. The β-galactosidase preparation was chosen and enzymatic hydrolysis conditions were optimized to obtain a dairy drink that meets the requirements for low-lactose products. To determine the residual amount of lactose in fermented milk, the method for determining whole blood glucose by enzymatic colorimetric method using Shimadzu UV-1800 spectrophotometry was adopted. The influence of technological factors on the dairy low-lactose drink properties was studied. The formulation has been developed and the manufacture process for obtaining a range of low-lactose beverages was adopted, the protein and lipid constituents in the finished product were calculated. The results of this study are considered to be socially significant since the low-lactose products are intended for people suffering from lactase deficiency.

Study of the Influence of Technological Factors on the Surface Structure of Aluminum 6000 Series Alloys Ingots

The structure and chemical composition of the surface layers of aluminum 6000-series alloys after crystallization and homogenization annealing at 580 °C were investigated. It is shown that the state of the surface significantly depends on the presence of impurities in the coolant of the crystallizer, which deteriorate the continuity of the oxide film, which leads to the formation of light color of individual parts of the ingot surface.