Lost foam casting (LFC), recognized as a revolutionary “green” manufacturing technology, faces significant challenges in aluminum alloy applications due to […]
Modern EMU (Electric Multiple Unit) trains demand exceptional reliability from their components, particularly steel castings that form critical load-bearing structures.
This paper presents a comprehensive study on sand casting process design for HT250 rotary disc components, focusing on structural optimization
In production practice, the duration of pouring time directly impacts multiple quality factors in large castings. For complex thin-walled castings,
Shrinkage porosity, a pervasive casting defect, arises from improper structural design, localized overheating, insufficient feeding, and inadequate solidification control. This
As a critical engineering material, ductile iron casting has gained extensive industrial applications. In internal combustion engines, researchers have explored
Ultrasonic testing is critical for detecting subsurface defects in valve body castings used in hydropower systems. The coarse-grained microstructure of
Grey cast iron remains a cornerstone material in automotive applications due to its excellent castability, damping capacity, and cost-effectiveness. This
The design of riser systems in steel casting processes requires precise calculation and efficient modeling to ensure optimal feeding and
The automated grinding of large engine cylinder block castings faces significant challenges due to structural complexity and multi-variety production requirements.
Mouse-tail defects, characterized by irregular linear grooves on the lower surfaces of thick sand casting parts, are critical challenges in
To achieve vehicle lightweighting, we established a solid model of an aluminum alloy steering knuckle and conducted multi-condition topology optimization
The manufacturing of excavator casting parts demands precision due to their complex geometries and harsh operating conditions. The bucket front
Precision investment casting is a critical process for manufacturing complex components in aerospace and industrial gas turbine applications. This study
Lost foam casting (LFC) is widely adopted for manufacturing thin-walled shell components like oil pans due to its advantages in
The tractor casting industry faces significant challenges in producing defect-free axle housings, particularly with shrinkage porosity and cavity defects exceeding
Casting defects in large screw compressor cylinders made of ZG15Cr13 martensitic steel pose significant challenges due to the material’s inherent
In sand casting processes, coating application on mold/core surfaces prevents direct contact between molten metal and sand particles, significantly reducing
The manufacturing of steel castings for railway freight car components, such as the K6 swing bolster, demands precision in process
Green sand casting, utilizing clay-bonded sand molds, remains a dominant method for producing iron castings due to its cost-effectiveness and
We encountered significant challenges during the trial production of a four-cylinder diesel engine cylinder block with an integrated gear chamber
Our company has achieved breakthrough progress in engine cylinder block cleaning through comprehensive automation process innovation. This article systematically presents
Ductile iron castings, particularly end cap components for railway engines, require stringent quality control due to their structural complexity and
1. Water Jacket Core Breakage in EA113 Cylinder Blocks 1.1 Defect Characteristics Core fractures predominantly occurred at the bottom center
Lost foam casting relies heavily on efficient sand compaction to replicate complex geometries. This study addresses critical defects like casting
Blow hole defects represent a persistent challenge in resin coated sand castings, particularly for valve components produced via automated lines.
Furan resin sand casting parts generally exhibit superior quality compared to clay sand counterparts, yet improper material selection, process design,
The engine cylinder block serves as the core component determining lubrication efficiency and operational reliability. Among critical quality metrics, cylinder
High-toughness ductile iron cylinder heads for marine diesel engines exhibit unique challenges due to their complex geometry and material solidification
Nitriding is a thermochemical process where nitrogen atoms diffuse into the surface of metal alloys to form a nitride-rich layer,
