-
When choosing a casting, what are the common materials to choose from?
Common casting materials include gray cast iron, ductile iron, aluminum alloy, brass, stainless steel, etc. Factors such as mechanical properties, corrosion resistance, cost, etc. need to be considered when selecting materials.
-
What common quality problems may be encountered during the production of castings?
Common quality problems include pores, slag inclusions, shrinkage cavities, cracks, etc. These problems may affect the strength and sealing performance of the casting.
-
What are the important factors to consider in the design of castings?
Casting design needs to consider factors such as material selection, structural design, wall thickness, gating system, cooling system, etc. to ensure that the casting can meet the usage requirements and have good casting performance.
-
What are the common methods of casting production processes?
Common casting production processes include sand casting, metal casting, die casting, injection molding, etc. Different processes are suitable for different casting types and requirements.
-
What are the common methods of surface treatment of castings?
Common surface treatment methods include sand blasting, shot blasting, galvanizing, spray coating, polishing, etc. to improve the surface finish, corrosion resistance and decorative effect of castings.
-
What are the common industries where castings are used?
Castings are widely used in automobile manufacturing, aerospace, machinery manufacturing, construction engineering, energy fields and other industries.
-
What factors mainly affect the cost of castings?
The cost of castings is affected by factors such as material cost, production process, design complexity, production batch size, etc.
-
How long is the production cycle of castings?
The production cycle of castings depends on the design complexity of the castings, production process, production batch size and other factors, and generally ranges from a few days to a few weeks.
-
What standards and specifications need to be followed in the design and production of castings?
The design and production of castings need to comply with relevant national standards and industry specifications, such as GB/T 6414 “Classification of Surface Defects in Castings”, GB/T 9439 “Dimensional Tolerances of Castings”, etc.
-
What is the quality inspection and acceptance process for castings?
The quality inspection and acceptance process of castings includes appearance inspection, dimensional measurement, material composition analysis, mechanical property testing, etc. to ensure that the castings meet the design requirements and standards.