1. Introduction Lost foam casting is a modern casting process with unique advantages. In the production of heavy transmission housing, it plays a crucial role. However, there are also some challenges in ensuring the quality of castings. This article focuses on the quality control of heavy transmission housing in lost foam casting, aiming to reduce… Read more: Heavy Transmission Housing Lost Foam Casting Quality Control

Abstract: This article focuses on the impact of preform shape on the final forging of excavator bucket teeth. It begins with an introduction to the importance of bucket teeth in excavators and the need for optimizing their manufacturing processes. The research involves analyzing the shape characteristics of bucket teeth, designing preforms, conducting numerical simulations using… Read more: The Influence of Preform Shape on the Final Forging of Excavator Bucket Teeth and Related Research

1. Introduction Lost foam casting (LFC) is a modern casting process that has gained significant attention in the manufacturing industry due to its numerous advantages. This process involves the use of a polystyrene foam pattern that is coated with a refractory material and then surrounded by unbonded sand. When the molten metal is poured into… Read more: Lost Foam Casting Technology for Large – Sized and Thin – Walled Shell Parts

1. Introduction Lost foam casting is a revolutionary casting method that has gained significant attention in the manufacturing industry. It offers numerous advantages over traditional casting techniques, making it a preferred choice for many applications. This article delves into the details of the lost foam casting process, its engineering design aspects, and various applications. 1.1… Read more: Lost Foam Casting: Process, Engineering Design, and Applications

Abstract: This article focuses on the research of the investment casting process of impellers using additive manufacturing technology. It includes the design of pouring systems, numerical simulation analysis, and the actual casting process. The combination of additive manufacturing and investment casting shows great potential in producing high-quality impeller castings. 1. Introduction Investment casting is a… Read more: Research on Investment Casting Process of Impeller Based on Additive Manufacturing

1. Introduction Lost foam casting is a modern casting process that has gained significant attention in the manufacturing industry. It combines the advantages of foam lost foam casting and investment casting, making it a promising technique for producing high-quality castings. In this process, the coating plays a crucial role as it affects the quality of… Read more: The Influence of Mixing Time and Standing Time on the Properties of Lost Foam Casting Coating

Abstract: This article focuses on the research of investment casting technology for K648 superalloy castings with a hollow wax mold structure. It analyzes the factors affecting the dimensional accuracy of investment castings, especially emphasizing the role of the hollow wax mold structure. Through a series of experiments and analyses, it demonstrates the significant impact of… Read more: Research on Investment Casting Technology of K648 Superalloy Castings Based on Hollow Wax Mold

1. Introduction Lost foam casting, also known as full mold casting, is a unique casting process that has gained significant attention in the manufacturing industry. This process involves creating a foam pattern that is an exact replica of the desired casting, coating it with a refractory material, and then burying it in a sand mold.… Read more: In-depth Analysis of Lost Foam Casting of Carbon Defects and Solutions

Abstract: This article comprehensively discusses the application of the furan resin lost foam casting process in the production of large machine tool castings. It begins with an introduction to the production status, challenges, and the basic principles and prospects of the lost foam casting process. Subsequently, it elaborates on the theoretical foundation of the process,… Read more: Application of Furan Resin Lost Foam Casting Process in the Production of Large Machine Tool Castings

The automotive industry’s rapid growth demands efficient production systems, particularly for critical components like the engine cylinder block. These blocks vary widely in geometry, mass, and surface features, posing challenges for automated handling. Traditional robot fixtures require frequent manual adjustments during product changeovers, leading to downtime and high maintenance costs. This paper presents a novel engine cylinder… Read more: Robot Fixture for Engine Cylinder Block Handling

1. Introduction Lost foam casting has emerged as a significant casting process with numerous advantages over traditional methods. In the context of machine tool spindle box castings, which have complex structures and high-quality requirements, the application of lost foam casting presents both opportunities and challenges. This article delves into the details of this application, exploring… Read more: Lost Foam Casting Technology in Machine Tool Spindle Box Casting

1. Introduction Lost foam casting is a modern casting process that has gained significant attention in the foundry industry. It offers several advantages over traditional casting methods, such as improved dimensional accuracy, reduced machining requirements, and the ability to produce complex geometries. However, like any manufacturing process, it also has its limitations and challenges. This… Read more: Lost Foam Casting: Adaptation Conditions, Applicable Countermeasures and Future Development

1. Introduction In open-pit mining operations, electric shovels play a crucial role. The bucket teeth of electric shovels are an important part that directly contacts the ore during the shovel loading process. The wear and detachment of bucket teeth can have a significant impact on the efficiency and safety of mining operations. This article will… Read more: Analysis of Bucket Teeth in Open-pit Mine Electric Shovels and Related Research

Abstract: This article focuses on the study of magnesium – based ceramic cores for stainless steel investment casting. It discusses the preparation process, properties, and the influence of various factors on the cores. Additionally, it analyzes the potential casting defects associated with the use of these cores and provides possible solutions. The research aims to… Read more: Stainless Steel Investment Casting and Analysis of Casting Defects

1. Introduction Investment casting, also known as the lost wax process, has a long history and is widely used in the manufacturing industry. It is renowned for its ability to produce complex-shaped components with high dimensional accuracy and good surface finish. Centrifugal impellers, being crucial components in centrifugal compressors, pose significant manufacturing challenges due to… Read more: Comprehensive Exploration of Investment Casting of Centrifugal Impeller Manufacturing Process

1. Introduction Bucket teeth play a crucial role in the performance of excavators. The quality of bucket teeth directly affects the efficiency and durability of excavation work. In recent years, with the continuous development of construction machinery, the research on bucket teeth welding technology has become increasingly important. This article will focus on the welding… Read more: Research and Application of Bucket Teeth Welding Technology

1. Introduction Lost foam casting is an advanced manufacturing process that has been widely used in various industries. In the automotive industry, it has shown great potential in the production of engine cylinder block castings. This article will focus on the application of lost foam casting in engine cylinder block castings, discussing its process, advantages,… Read more: Lost Foam Casting in Engine Cylinder Block Casting

As a researcher specializing in advanced manufacturing techniques, I recently conducted a comprehensive study to optimize the investment casting process for a duplex stainless steel closed impeller. This project aimed to address persistent shrinkage defects in critical areas such as the hub and caliber ring while enhancing production efficiency and yield. The following sections detail… Read more: Optimization of Investment Casting Process for Duplex Stainless Steel Closed Impeller

1. Introduction Investment casting is a precision casting method widely used in the manufacturing of various components, especially those with complex geometries and high precision requirements. In this article, we focus on the investment casting process of a fixed disk used in an automotive air – conditioning compressor. The fixed disk is a crucial part,… Read more: Design and Optimization of Investment Casting Process for Fixed Disk

Abstract This article focuses on the lost foam casting process for semi-closed castings. It analyzes the production process, defects, and corresponding improvement measures. Through experiments and research, it is found that tilting the semi-closed part at a 45° angle for box molding and using an external negative pressure tube can effectively improve the casting quality and… Read more: Lost Foam Casting Technology for Semi-Closed Castings: Research and Practice

This paper focuses on the defect detection of aluminum alloy casting wheels, a crucial aspect in ensuring vehicle safety and quality. With the increasing demand for automotive products, the accurate and efficient detection of wheel defects has become essential. We explore the application of the YOLOv8 algorithm in this field, analyze its advantages and limitations,… Read more: Defect Detection of Aluminum Alloy Casting Wheels A Comprehensive Analysis Based on YOLOv8 and Related Technologies

1. Introduction Pressure casting is a widely used manufacturing process in the industry, especially for producing components with complex shapes and high – dimensional accuracy. Magnesium alloys, due to their excellent casting properties, are frequently employed in pressure casting. However, the high – speed and high – pressure conditions during the casting process often lead… Read more: Numerical Simulation and Defect Prediction in Pressure Casting A Comprehensive Review of SPH – FEM Coupling Method

Abstract: This article focuses on the investment casting process of ZL114A alloy seal sleeves. It begins with an introduction to the importance and challenges of investment casting in manufacturing components like seal sleeves. The structure and preprocessing settings of the casting are detailed, followed by numerical simulation results and discussions. The verification of simulation results… Read more: Optimization of Investment Casting Process of ZL114A Alloy Seal Sleeve and Analysis of Casting Defects

1. Introduction Gearbox casting is a crucial component in mechanical systems, and the production process significantly impacts the overall performance and quality of machinery. Lost foam casting, a modern casting technique, has emerged as a promising method for gearbox casting production. This article aims to provide a detailed exploration of lost foam casting in the… Read more: Lost Foam Casting in Gearbox Casting Production

1. Introduction Diesel engines play a crucial role in the automotive and industrial sectors, powering a wide range of vehicles such as trucks, buses, and construction machinery. The cylinder block, as a key component of the diesel engine, has a significant impact on the engine’s performance, reliability, and durability. High – performance diesel engine cylinder… Read more: Analysis and Optimization of Casting Defects in High – Performance Diesel Engine Cylinder Blocks

1. Introduction Lost foam casting is a modern casting process that has gained significant popularity in the manufacturing industry. It offers several advantages such as the ability to produce complex shapes, reduced machining requirements, and improved dimensional accuracy. However, like any casting process, it is also prone to certain defects that can affect the quality… Read more: Analysis and Improvement of Casting Defects in Lost Foam Casting of Aluminum Alloy Shells

This article focuses on the challenges and solutions related to casting defects in valve hall fittings used in high – voltage direct – current (HVDC) transmission systems. Valve hall fittings are crucial components in HVDC conversion stations. Due to their specific requirements such as small quantity, diverse varieties, and high – quality standards, they are… Read more: Solving Casting Defects in Valve Hall Fittings A Comprehensive Guide

1. Introduction Hydraulic excavators play a crucial role in modern engineering construction, especially in disaster rescue and construction projects. With the development of intelligent technology, the intelligent research of excavators has become a hot topic in the construction machinery industry. The trajectory planning of the excavator’s working device is a key part of its intelligent… Read more: The Trajectory Planning of Bucket Tooth of Excavator Working Device

This article focuses on the manufacturing process defects of casting products used in motor train units. Through in – depth research and a series of analysis methods such as macroscopic observation, metallographic examination, and mechanical property testing, it comprehensively analyzes various types of defects. It details the causes, impacts, and preventive measures of these defects,… Read more: The Comprehensive Analysis of Manufacturing Process Defects in Casting Products for Motor Train Units

1. Introduction In the realm of coal mining machinery, the guide shoe casting of a coal mining machine is a crucial component. It plays a vital role in ensuring the stable operation of the coal mining machine on the scraper conveyor, acting as a support and guiding element. Any defect in these castings can lead… Read more: Analysis and Solutions for Defects in Coal Mining Machine Guide Shoe Castings

Abstract Bucket teeth are crucial components in excavators, enduring significant impacts during the excavation process. Ensuring their structural integrity and performance under complex loading conditions is vital. This article delves into a comprehensive dynamics analysis of bucket teeth for excavators, leveraging reverse engineering techniques. It presents a detailed methodology encompassing reverse modeling, finite element analysis… Read more: Dynamics Analysis of Bucket Teeth for Excavators Based on Reverse Engineering

1. Introduction Titanium alloys, especially ZTC4 titanium alloy, have found extensive applications in the aerospace, medical, and marine industries due to their outstanding properties such as low density, high strength – to – weight ratio, and excellent corrosion resistance. In the aerospace field, ZTC4 titanium alloy is commonly used in the manufacturing of complex –… Read more: Fluorescent Defect Detection of ZTC4 Titanium Alloy Gearbox Housing Castings A Comprehensive Study

Abstract In order to obtain dense microstructure, superior performance, and prevent crack formation in investment casting couplers, an orthogonal test was designed to determine the optimal parameters for steel casting. The optimal parameters were identified as a pouring temperature of 1,570°C, mold shell preheating temperature of 425°C, and pouring time of 29 seconds. Casting simulations… Read more: Precision Steel Casting Process and Solidification Microstructure of Locomotive Couplers

1. Introduction TiB₂ ceramic particle – reinforced aluminum matrix composites are high – performance materials. By dispersing TiB₂ ceramic particles in the aluminum matrix through in – situ reactions, the properties of the materials are significantly enhanced. These composites possess excellent characteristics such as high melting point, high hardness, high elastic modulus, good chemical stability,… Read more: Laser Spot Welding Process for Defects in TiB₂-Aluminum Matrix Composite Castings A Comprehensive Study

Abstract Steel casting plays crucial role in various industrial fields due to their excellent mechanical properties. The final performance of steel casting largely depends on the microstructure formed during the solidification process. This paper delves into the microstructure control techniques during the solidification of steel casting, exploring ways to optimize the microstructure and enhance the… Read more: Research on Microstructure Control Techniques During the Solidification Process of Steel Casting

1. Introduction Nickel – based superalloys are widely used in the aerospace, power generation, and other industries due to their excellent high – temperature performance. K4002 nickel – based superalloy, in particular, is commonly employed in the casting of hot – end components for aerospace engines. However, during the precision casting process, it is prone… Read more: Research on TIG Repair Technology for Casting Defects of K4002 Nickel – based Superalloy

Abstract This paper focuses on the issues of low work efficiency, high safety risks, and long construction periods during the installation of steel casting brackets for tilted twin-shaft systems at the launching stage. Taking a segmented twin-shaft rudder system of a Ro-Pax ship as the research object, this paper analyzes its precision control standards and… Read more: Precision Control and Application of Pre-assembly of Steel Casting

A356 aluminum alloy is widely used in various industries due to its excellent mechanical properties and corrosion resistance. However, during the gravity casting process, it is prone to microscopic defects such as micropores and surface depressions, which significantly affect the quality and performance of castings. This article comprehensively reviews the research on these defects in… Read more: Research on Microscopic Defects in A356 Aluminum Alloy Gravity Casting: Mechanisms, Influencing Factors, and Optimization Strategies

Abstract This paper presents a study on the surface roughness detection of sand castings utilizing machine vision technology combined with image processing techniques. A residual convolutional neural network integrated with an attention mechanism was trained using surface images of standard roughness blocks. This trained network was then employed as the core of a detection software,… Read more: Surface Roughness Detection of Sand Casting Based on Machine Vision

1. Introduction Lost foam casting has witnessed remarkable growth in recent years, attributed to its numerous advantages such as low pollution levels, high flexibility in the manufacturing process, reduced labor intensity, and excellent repeatability. This technology has found extensive applications, especially in the production of box – shaped and shell – like components. However, during… Read more: Lost Foam Casting Defects in Castings A Comprehensive Analysis and Solutions

Abstract This paper proposes a defect detection and repair technology for steel castings based on laser remelting process, combining with intelligent manufacturing technology. It aims to address the possible defects such as pores and cracks during the manufacturing process of steel castings. Firstly, the intelligent manufacturing technology and its application in steel casting manufacturing are… Read more: Research on Repair Technology of Steel Casting Defects Based on Intelligent Manufacturing

1. Introduction In the electrolytic aluminum production industry, the anode steel claw plays a crucial role. It is a key component of the pre – baked anode electrolytic cell, responsible for gripping the anode carbon block and transmitting a large – scale direct – current. The quality of the anode steel claw, especially its density… Read more: Optimization of Lost Foam Casting Process for High – Performance Anode Steel Claw in Electrolytic Aluminum Production

Abstract This paper presents the casting process design and manufacturing of a bridge bracket using 3D printed (3DP) sand molds and anti-gravity low-pressure casting technology. A bottom-pouring and slit-gating system was designed, and the casting process was simulated using simulation software. Based on the simulation results, the casting process was optimized, and the 3DP sand… Read more: Casting Process Design and Manufacturing of Bridge Bracket Based on 3DP Sand Mold

1. Introduction Volute products play a crucial role in various industries, such as in pumps, turbines, and compressors. Their unique curved structure makes the casting process challenging. The traditional casting methods, including mold sand – core casting and 3D printing core – assembly, both face issues like mold extraction and sand – core handling. To… Read more: A Comprehensive Guide to the Three – Dimensional Casting Process of Volute Products

Abstract The production of large scale machine tool castings faces significant challenges due to their large size, complex manufacturing processes, and high precision requirements. This paper delves into the application of furan resin lost foam casting in the production of large scale machine tool castings. The theoretical foundation of furan resin lost foam casting is… Read more: Application of Furan Resin Lost Foam Casting in the Production of Large Scale Machine Tool Casting

1. Introduction The four – cylinder piston pump is a crucial component in various industrial systems, especially in hydraulic applications. Austenitic stainless steel is widely used in the manufacturing of piston pump castings due to its excellent properties such as high – temperature resistance, corrosion resistance, and good mechanical properties. However, the casting process of… Read more: Research on the Casting Process of Austenitic Stainless Steel Four – Cylinder Piston Pumps A Comprehensive Exploration

Abstract This article focuses on the cylinder body casting of an 11-liter 6-cylinder engine of a commercial vehicle. By systematically analyzing the flow and temperature fields of the original pouring system’s molten iron filling process, a new type of pouring system was designed. Through batch production verification, the local porosity defect of the casting was… Read more: Research on a New Pouring System Process for Engine Cylinder Body Casting

1. Introduction Lost foam casting, also known as full mold casting, has gained significant popularity in the casting industry due to its numerous advantages such as high dimensional accuracy, near – net – shape forming, and wide process adaptability. It is widely used in the production of automotive parts, machine tool castings, and other products.… Read more: The Analysis and Improvement Measures of “Coating Flakes” Slag Inclusion Defects in Lost Foam Casting

Abstract This paper presents an analysis of the surface slag defects observed in heavy-section machine tool tray castings produced by our company. The study focuses on identifying the causes of these defects and proposes effective measures to mitigate them. By optimizing the gating system design and employing appropriate coatings, the slag defects were significantly reduced,… Read more: Analysis and Improvement of Surface Slag Defects in Heavy-Section Machine Tool Tray Casting

This article comprehensively explores the lost foam casting process. It begins with an overview of its development status in China, including the so – called “lost foam casting circle” and the current challenges. Then, it delves into the existing problems in its application, the unique process characteristics, and the suitable scope of application. Common casting… Read more: The Development, Application, and Future of Lost Foam Casting

Abstract This paper investigates the formation mechanisms of microcracks in thick and complex high manganese steel (ZGMn13) castings, taking a finished product from a factory as the research object. By analyzing the phase diagram of high manganese steel component segregation, metallographic microscopy, and scanning electron microscopy (SEM) observations, it was found that microcracks distribute along… Read more: Crack Formation Mechanisms and Improvement Suggestions for Thick and Complex High Manganese Steel Casting

1. Introduction In the landscape of modern manufacturing, the demand for high – precision, high – performance castings has been on the rise, driven by the rapid development of industries such as aerospace, automotive, and machinery. Traditional casting processes often struggle to meet these stringent requirements. Lost foam casting (LFC) has emerged as a revolutionary… Read more: Lost Foam Casting Technology A Comprehensive Review

1. Introduction The stable operation of a ball mill is critical for optimizing mineral processing efficiency and reducing operational costs. Traditional maintenance strategies, such as reactive (“post-failure”) or periodic maintenance, often lead to resource wastage and unplanned downtime. With advancements in condition monitoring, predictive maintenance has emerged as a viable solution. However, existing methods struggle with rapid… Read more: Ball Mill State Prediction Based on FCM-LSSVM Algorithm

Abstract Die casting production represents a significant process in manufacturing high-precision and high-quality components. However, the quality of die castings is susceptible to various external factors, encompassing raw materials, equipment, process parameters, and more. This paper delves into the impact of external factors on die casting quality during die casting production and proposes corresponding countermeasures.… Read more: The Influence of External Factors on the Quality of Die Castings in Die Casting Production and the Corresponding Countermeasures

1. Introduction Sand casting is one of the most prevalently used casting methods in the foundry industry. The process involves creating a mold from sand, pouring molten metal into it, and allowing the metal to solidify to form the desired casting. A crucial step in this process is the application of coatings on the surface… Read more: Research on the Application of Alcohol – based Coatings in Sand Casting A Comprehensive Analysis

Abstract: With the help of AnyCasting software, the filling and solidification simulation analysis of permanent mold low-pressure casting process of aluminum alloy cover plate for GIS was carried out to understand the origination of casting defects in cover plate sealing groove, and optimized measures were provided. Finally, production validation was conducted. The results indicate that… Read more: Simulation Analysis and Process Optimization of Low Pressure Casting Cover Plate for GIS

This article delves deep into the cost analysis and management strategies of casting processes within the machinery industry. It begins by dissecting the components of casting process manufacturing costs, including material formula costs and process – related costs. Through a comparative study of standard cost and actual cost methods, their respective advantages and disadvantages are… Read more: The Comprehensive Exploration of 3D Printing Intelligent Foundry Sand Treatment Systems

Abstract:This comprehensive article delves into the intricacies of gas hole and shrinking defects in large QT400-15 tray castings, which are crucial components in coal milling equipment. It introduces the structure and technical specifications of ductile iron tray castings, elaborates on the original production process, and identifies the primary locations and characteristics of porosity and shrinkage.… Read more: Analysis and Prevention Measures for Gas Hole and Shrinking Defects in Large QT400-15 Tray Castings

This paper focuses on the issue of deformation during the clamping of thin-walled parts in frozen sand molds. By establishing mathematical models, conducting experiments, and performing numerical simulations, it comprehensively analyzes the influencing factors and provides a basis for optimizing the selection of frozen sand molds and fixture design. The research results show that water… Read more: Numerical Simulation and Experimental Research on the Clamping Deformation of Frozen Sand Mold Thin-Walled Parts

In this study, we address the challenges of producing small shell castings with narrow grooves using investment casting. The primary objective is to eliminate shrinkage defects in thin-walled sections (2 mm thickness) while ensuring efficient heat dissipation during solidification. Through systematic design modifications and process optimizations, we achieved a significant improvement in casting quality, validated… Read more: Optimization of Investment Casting Process for Shell Castings with Narrow Grooves