Category

2026-06-12

Technology and Services

Chipping defect in sand casting: Causes, effects, and remedies

Trong quá trình đúc gang bằng công nghệ đúc khuôn cát, ngoài các khuyết tật hình thành khi kim loại đông đặc như rỗ khí, co ngót hay lệch khuôn, vật đúc còn có thể gặp phải các lỗi phát sinh sau khi đúc. Một trong những lỗi thường gặp là lỗi sứt vật đúc.Khuyết tật này có thể khiến sản phẩm không đạt ...

2026-06-12

Technology and Services

Burn-on Sand Defect in Sand Casting: Causes, Impacts, and Solutions

Trong quá trình đúc gang bằng công nghệ đúc khuôn cát tươi, chất lượng bề mặt vật đúc là một trong những tiêu chí quan trọng để đánh giá chất lượng sản phẩm. Bên cạnh các khuyết tật như rỗ khí, lệch khuôn hay ba via, cháy cát là một dạng khuyết tật bề mặt khá phổ biến, đặc biệt đối với các vật đúc c ...

2026-05-13

Technology and Services

Warpage defects in sand casting: Causes and solutions to reduce casting deformation

Warping Defects in Sand CastingCauses and Solutions to Limit Casting DeformationIn sand casting, especially for large-sized or thin-walled FC and FCD cast iron products, warping is a common defect that directly affects geometric accuracy, assembly capability, and the quality of post-machined product ...

2026-05-13

Technology and Services

Surface Bulging Defects in Sand Casting: Causes and Effective Solutions for FC & FCD Castings

Surface Bulging Defects in Sand Casting: Causes and Effective Solutions for FC & FCD Castings In sand casting, especially for FC and FCD cast iron products, surface bulging defects are one of the most common casting defects affecting product appearance, dimensional accuracy, and post-casting machini ...

2026-04-22

Technology and Services

Analysis of causes and improvement methods for flash defect in sand casting

Analysis of Causes and Improvement Methods for Flash Defects in Sand Casting In sand casting, especially with FC and FCD cast iron materials, flash defects are one of the common imperfections. This phenomenon occurs when excess metal overflows the mold, typically appearing at the parting line or at ...

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