sand casting

Manual modeling definition – all modeling operations completed by hand or hand tools are called manual modeling. Advantages and disadvantages:

1 tape measure: Used to measure length. 2 steel ruler: It is a common measuring tool for measuring length, outer

The pouring position of casting refers to the position of casting in the mold during pouring. The determination of pouring

Defect characteristics and detection methods In the center and upper part of the thick part of the casting, there are

Sand casting is a kind of traditional casting technology which takes sand as the main molding material to make the

Defect characteristics and detection methods It shows that the sharp angle, edge angle, thin section and narrow gap of the

Defect characteristics and detection methods 1.Cold crack It is also a straight or curved crack on the surface of the

Defect characteristics and detection methods It is a straight crack on the casting. The surface of the crack is strongly

Defect characteristics and detection methods 1.External shrinkage cavity It is a depression exposed on the casting. The rough formation of

Defect characteristics and detection methods The dregs are dark brown and irregular in shape near the inner gate and the

Defect characteristics and detection methods A wormhole or loose hole appearing in the thick part of a casting or in

Defect characteristics and detection methods Fine wrinkles on the surface of casting or dark gray flakes peeling off from the

Defect characteristics and detection methods There are gray white powder like spots or scabs on the thick parts of the

1) Identification of casting defects in sand casting Casting failure refers to the defect on the casting, incomplete outline shape,

Defect characteristics and detection methods It is an open hole or a dark hole embedded with molding materials on the

Defect characteristics and detection methods The appearance is the striated or herringbone pits that are not closed by the alloy

1) Identification of wrong pattern in sand casting Wrong mold is the defect that one part of the casting and

Defect characteristics and detection methods Slag inclusions with gray and gray black fracture are often found in the parts or