Sort Metallohozyaystvennye goods
Single principle of sorting Metallohozyaystvennye goods not. Some of them, such as wire, fasteners, hardware, hand tools, scythes, et al., Issued without division into grades. Metal
tableware, lamps and kerosene lamps, irons, knives, woodworking tools .cast metalet al. is divided into 1st and 2nd grades.
When evaluating high-quality die-cast aluminum products manufactured by one grade, checks whether the samples taken from the lot requirements of standards or specifications. In case of unsatisfactory results of such verification shall be the whole party supplier resorted and presented for re-delivery. To retest the samples taken in the double number. If the re-inspection leads to unsatisfactory results, the entire lot is rejected and returned to the supplier.
When checking the products are divided into grades, to 1st class includes products that fully meet the requirements of standards or specifications. In the 2nd grade is usually translated products with small appearance defects (minor deviations from the correct shape, small scratches, blemishes, etc..), Which does not affect the performance characteristics of these products.Aluminium casting
Check (examine) the quality of the goods Metallohozyaystvennye organoleptic and laboratory techniques.
When the Sensory Evaluation of metal goods check the correctness of their shape and size, the accuracy and strength of fastening parts, mechanical properties (hardness, elasticity, and others.), The quality of the surface finish, the correct action of the product.
Correct form of products is checked by inspection, and the size - measuring various instruments. In all cases, the product should not have appreciable deformation, and their dimensions must correspond exactly specified in the standards or specifications.
