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GB / T3672.1-2002 "Tolerances on rubber products - Part
- 2016-10-20 17:32:59
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HydraulicHydraulic O-rings and other rubber products after processing and vulcanization is easy to produce dimensional changes, which may be due to such as molding shrinkage or extrusion expansion relaxation caused by various factors, these changes in the design and manufacture of a product mold and mouth Type such components should be identified and considered.GB / T3672.1-2002 "Tolerances on rubber products - Part 1: Tolerances on dimensions" The high level of tolerance specified in the final application shall be used and shall be limited to those dimensions considered to be critical , The higher the precision used, the more stringent the control that must be exercised in the manufacturing process, and therefore the higher the cost.The use of a compound that can be molded with precision tolerances does not always provide these properties when the product requires some special properties. In such cases, the parties concerned shall be consulted. In general, low hardness vulcanizates (ie, vulcanizates with a hardness of less than 50 IRHD, see ISO 48) require greater tolerances than vulcanizates with high hardness.GB / T3672.1-2002 provides dimensional tolerances and tolerances for molded, extruded and calendered compacted rubber products, and specifies the corresponding test methods required to comply with this standard. The standard does not apply to precision ring seals or tape, such as calendered composite products or silicone rubber coating method of coating products.Hydraulic O-ring installation in static and dynamic seals Groove design recommendations, for reference only, the customer needs to be subject to objective problems. All the rubber after molding cooling have a certain degree of contraction, so the mold design should take this into account. The amount of shrinkage depends on the type of rubber used and the size of the material, and the amount of shrinkage of the same compound varies depending on the batch. There are some silicone rubber, fluorine rubber and other rubber special elastomer products shrink larger, so the use of these rubber is difficult to achieve M1 and M2 level tolerance requirements 2, bonded to the rubber on the non-rubber parts will affect the contraction, and thus Also affect the practical tolerance.Hydraulic O-rings and other rubber products after processing and vulcanization is easy to produce dimensional changes, which may be due to such as molding shrinkage or extrusion expansion relaxation caused by various factors, these changes in the design and manufacture of a product mold and mouth Type such components should be identified and considered.GB / T3672.1-2002 "Tolerances on rubber products - Part 1: Tolerances on dimensions" The high level of tolerance specified in the final application shall be used and shall be limited to those dimensions considered to be critical , The higher the precision used, the more stringent the control that must be exercised in the manufacturing process, and therefore the higher the cost.The use of a compound that can be molded with precision tolerances does not always provide these properties when the product requires some special properties. In such cases, the parties concerned shall be consulted. In general, low hardness vulcanizates (ie, vulcanizates with a hardness of less than 50 IRHD, see ISO 48) require greater tolerances than vulcanizates with high hardness.GB / T3672.1-2002 provides dimensional tolerances and tolerances for molded, extruded and calendered compacted rubber products, and specifies the corresponding test methods required to comply with this standard. The standard does not apply to precision ring seals or tape, such as calendered composite products or silicone rubber coating method of coating products.Hydraulic O-ring installation in static and dynamic seals Groove design recommendations, for reference only, the customer needs to be subject to objective problems. All the rubber after molding cooling have a certain degree of contraction, so the mold design should take this into account. The amount of shrinkage depends on the type of rubber used and the size of the material, and the amount of shrinkage of the same compound varies depending on the batch. There are some silicone rubber, fluorine rubber and other rubber special elastomer products shrink larger, so the use of these rubber is difficult to achieve M1 and M2 level tolerance requirements 2, bonded to the rubber on the non-rubber parts will affect the contraction, and thus Also affect the practical tolerance.O-rings and other rubber products after processing and vulcanization is easy to produce dimensional changes, which may be due to such as molding shrinkage or extrusion expansion relaxation caused by various factors, these changes in the design and manufacture of a product mold and mouth Type such components should be identified and considered.GB / T3672.1-2002 "Tolerances on rubber products - Part 1: Tolerances on dimensions" The high level of tolerance specified in the final application shall be used and shall be limited to those dimensions considered to be critical , The higher the precision used, the more stringent the control that must be exercised in the manufacturing process, and therefore the higher the cost.The use of a compound that can be molded with precision tolerances does not always provide these properties when the product requires some special properties. In such cases, the parties concerned shall be consulted. In general, low hardness vulcanizates (ie, vulcanizates with a hardness of less than 50 IRHD, see ISO 48) require greater tolerances than vulcanizates with high hardness.GB / T3672.1-2002 provides dimensional tolerances and tolerances for molded, extruded and calendered compacted rubber products, and specifies the corresponding test methods required to comply with this standard. The standard does not apply to precision ring seals or tape, such as calendered composite products or silicone rubber coating method of coating products.Hydraulic O-ring installation in static and dynamic seals Groove design recommendations, for reference only, the customer needs to be subject to objective problems. All the rubber after molding cooling have a certain degree of contraction, so the mold design should take this into account. The amount of shrinkage depends on the type of rubber used and the size of the material, and the amount of shrinkage of the same compound varies depending on the batch. There are some silicone rubber, fluorine rubber and other rubber special elastomer products shrink larger, so the use of these rubber is difficult to achieve M1 and M2 level tolerance requirements 2, bonded to the rubber on the non-rubber parts will affect the contraction, and thus Also affect the practical tolerance.
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