Supporting base product is currently widely Instrumentation ball valve used in the world, forming the casting process

Support base is a key and important part of the railway bogie truck on its product quality and performance of the railway wagon speed , overloading has an important impact . Supporting base product is currently widely used in the world, casting forming. In recent years , with rail transport to improve on overloading, high-speed requirements of the key components of the support base is also increasing performance requirements inherent product defects steel support base exists ( the mechanical properties of steel castings itself , fatigue toughness, resistance impact is not high , casting products exist unavoidable porosity , shrinkage , inclusions, cracks, etc. ) for the safe operation of high-speed rail has been a threat. Improve the overall mechanical properties of the product 's support base is a  Stainless steel needle valves  and structural adjustment of China's Ministry of Railways to resolve rail transport facing the implementation of overloading, speed , security, technology development , major issues need to be addressed to improve the effectiveness and efficiency of transportation . To ensure the safety and reliability of the rail wagons running speed , the paper creatively put  Valve manifolds  of the support base cast- forging process solutions to improve their mechanical properties. Since the original steel support base products of complex shape , casting the presence of high-gluten product support base , thin-walled structures , to bring support base increased difficulty forging casting change .

Production of high temperature and Instrument valve pressure valve metal seal valve for use in supercritical thermal power units

Since the development of materials and manufacturing technology, pipeline ball valves have been used as a cutting device used in high temperature and pressure conditions. Production of high temperature and pressure valve metal seal valve in supercritical thermal power units are used, replacing the original cut-off valve and the valve, its bubble-tight performance and longer life than traditional globe valves and gate valves. High parameters and high-performance steel ball valve body has not meet the requirements, so a better toughness, higher reliability of  Stainless steel needle valve  body is very necessary. Structural design forged steel ball valve forged steel valve body design first thing to consider forging process, namely the forging process less than a block, a small margin, shape and size close to  Instrumentation ball valve , material utilization. Consider the economy, as far as possible in the general process of forging equipment, forging equipment because of the large and special use fee is high, while the cost of mold manufacture and use is also more expensive. Forged steel ball valve has two and three-piece. Two-piece body structure more suitable for forging, the body needs to squeeze in a closed die forging, large deformation force requirements, require large forging equipment.

Solenoid valve actuator assembly is the main form of electronic jacquard opening,

With the improvement of living standards, people dress fabric requirements are also increasing , making the needle can produce a large number of high-grade fabric , the rapid development of high-speed electronic jacquard machine . Solenoid valve assembly is formed mainly electronic jacquard actuator opening, a jacquard  Instrumentation ball valves  to thousands pack assembly , its quality directly affects the reliability of the quality of the fabric and production efficiency. Today, there are four main jacquard production companies in the world , they each have their own solenoid valve assembly . Our After years of research, the use of domestic raw materials, combined with the actual production process of the factory,   Double ferrule fitting  improvement and optimization, has successfully developed electronic jacquard solenoid valve assembly used . The structure of this component by 8 Electromechanical Components needle selection unit , each unit includes a needle selection solenoid valves, two fixed hooks, two spring hooks , 2 Needle , a consolidated block back , a briquetting spring , a group composed of the pulley rope . Each needle selection unit controls the same set of warp tissue , compared to other types of electronic jacquard his electromagnetic valve structure allows the use of this combination is arranged inside the electronic jacquard machine is more compact and reasonable to reduce energy consumption ; simple structure easy to disassemble , easy maintenance and replacement ;

Standardized prefabricated manifold forms, changed some of the limitations of the past in the field of direct production and installation

Philatelic oil, set to close the ball valve petrol station inside and oil and gas gathering pipelines, are used in the form of standardized prefabricated valve, changed in the past in the field of direct production and installation of some limitations. Project site assembly is relatively reduced, adverse effects of climate and other factors is small, while the dismantling of prefabricated valve interchangeability with regularity and speed up the construction progress. Reasonable to avoid the aerial assembly. Narrowing the range of operations, reducing the security  Stainless steel needle valve . Prefabricated valve materials are mostly carbon steel, stainless steel; in the number of low-pressure pipelines primarily to a relatively small proportion of high-pressure pipelines; presence of a large number of saddle mouth open system workload; butt weld seam in the form of the main;  Instrument valve manifolds  for welding high. To ensure the quality and performance of our valve products and processes using reasonable prefabricated welding backing, automatic welding cap surface welding process. And distortion factors to be produced during welding and lifting analysis to take effective control measures.

Prefabricated metering valve between the process, according to the condition of the structure, characteristics and possible causes deformation produced

During the welding process , the structure is subjected to uneven heating and cooling , the metal parts of different degrees of expansion and contraction . Metallic material as a whole, interrelated, mutual restraint, elongation and shortening are not free , so the welding process will produce stress and deformation . Welding deformation leads to the size and shape of the weldment changes directly affect the manufacturing quality . If the distortion exceeds the normal range , you need to rework correction processing , reduce work efficiency, but also increase the cost of production. Between the metering valve prefabricated process, depending on the situation should be carefully analyzed its structure ,  Stainless steel needle valve  and possible causes deformation , select a reasonable measures to control the deformation process , meet the technical standards in order to improve the effectiveness and reduce unnecessary losses . When the valve between the measured deformation reason prefabricated , conducted at the Department of  Instrument valve manifolds  tube cutting and welding are localized uneven heating process . Cutting and welding , thermal expansion of the high temperature region , hindered by the rigidity of the surrounding area and can not freely low elongation , resulting thermoplastic deformation. Upon cooling, the high-temperature region due to shrinkage of the thermoplastic deformation of the large amount of shrinkage in a low temperature region is small, this causes uneven shrinkage generated manifolds condensed bending.

The causes valve preform deformation process may be analyzed

Prefabricated manifold for reasons that may arise during deformation are analyzed to select a reasonable anti-deformation process measures to control the deformation, to meet the standards and requirements in order to improve effectiveness and reduce losses. Deformation analysis valve manifold reasons prefabricated pipe saddle on the mouth of the Department oxygen acetylene cutting and welding, are  Instrument valve manifolds  and cooling, the thermal expansion of the high temperature region, the rigidity of the low-temperature region by the surrounding obstacles can not be stretched freely long, resulting thermoplastic deformation. When cooled, high-temperature thermoplastic deformation of the area due to contraction of large, low-temperature region produces a small amount of shrinkage, this  High pressure ball valve  to contraction of the portal produce condensed riser bending and angular distortion arising condensation. Simultaneously welded fast heating and rapid cooling, high temperature region of the tissue changes, the corresponding change in volume will occur, resulting in tissue deformation. Condensed deformation and deformation of the joint action organization, making the valve sink pipe bending deformation riser manifolds on angular distortion generated.

Plastic air intake manifolds that is the vehicle structural member is complex, and requires high functional element is

Automotive plastic has the general trend garnish and upholstered structure and function of the steering member, i.e., the plastic intake manifold is very complex automotive structural parts and functional parts are demanding. At present, the domestic design and manufacture of plastic intake manifold technology does not pass. This article is part of the research and development of plastic intake manifold methods. For the domestic is still not self-designed plastic intake  Instrument valve manifolds  mold. Authors believe that the use of CAE technology must advance on plastic intake manifold injection molding process simulation study, in order to achieve the success of this mold design. For plastic intake manifold,  Valve manifold  is difficult. Firstly, the Charade car engine carried a plastic intake manifold runner design simulation, mainly studied under different program number and location of the deformation, bubbles, weld lines, etc., come in the form of four water filling points for the best and to determine the best location of the gate.