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Changshu smoothly da plastic products factory is introduced in extrusion moulds acceptance requirements
by：CSSSLD
2021-01-23
Plastic different profile extrusion die is the core part of the extrusion production, plastic different profile extrusion die technology state is directly related to the stability of the extrusion production, the quality of extrusion products, extrusion production efficiency and the service life of mold itself.
So proper use of plastics in extrusion die and maintenance is very important.
Changshu well below da plastic products factory is introduced in extrusion moulds acceptance requirements.
1, the plastic different profile extrusion die out after the arrival of the goods inspection
the crates packing is in good condition: when unpacking the case to take out the packing list, specification and other technical documents, according to the content of the packing list inventory of plastic different profile extrusion die whole, accessories, special tools, etc.
2, technical requirements and state of plastic different profile extrusion die
( 1) Plastic different profile extrusion die of modified polyvinyl chloride (PVC), especially in extrusion material of plastics in extrusion molding parts generally have resistance to corrosive materials such as stainless steel, and quenched and tempered to HRC24 above, to ensure the service life of a certain.
（ 2) Mouth, finalize the design mode and its parts working surface should be smooth, should not have bruising, scratches, burrs, attachments and defects such as rust.
（ 3) Die runner system along the melt flow direction should be gentle, try to avoid cross section of mutation and stagnation expected area.
（ 4) Among various templates should have reliable positioning, mold room of each template corresponding to the location of the loading and unloading of repeatability error is not greater than zero. 03mm； Plastic each jointing surface in extrusion die head and split layer should be a good seal, the local clearance shall not be greater than zero. 02mm。
（ 5) Stock mould cooling system, vacuum system should be generally do not leak, under normal circumstances should not collude with other water systems. Plastic different profile extrusion die shape model of tube fittings, vacuum tube joint should be clearly marked, and must not interfere with the connection of the pipe.
（ 6) Plastic different profile extrusion die shape mold should be a flexible, closed sections in the shape mould and water tank type should guarantee a certain piece of alignment.
1, the plastic different profile extrusion die out after the arrival of the goods inspection
the crates packing is in good condition: when unpacking the case to take out the packing list, specification and other technical documents, according to the content of the packing list inventory of plastic different profile extrusion die whole, accessories, special tools, etc.
2, technical requirements and state of plastic different profile extrusion die
( 1) Plastic different profile extrusion die of modified polyvinyl chloride (PVC), especially in extrusion material of plastics in extrusion molding parts generally have resistance to corrosive materials such as stainless steel, and quenched and tempered to HRC24 above, to ensure the service life of a certain.
（ 2) Mouth, finalize the design mode and its parts working surface should be smooth, should not have bruising, scratches, burrs, attachments and defects such as rust.
（ 3) Die runner system along the melt flow direction should be gentle, try to avoid cross section of mutation and stagnation expected area.
（ 4) Among various templates should have reliable positioning, mold room of each template corresponding to the location of the loading and unloading of repeatability error is not greater than zero. 03mm； Plastic each jointing surface in extrusion die head and split layer should be a good seal, the local clearance shall not be greater than zero. 02mm。
（ 5) Stock mould cooling system, vacuum system should be generally do not leak, under normal circumstances should not collude with other water systems. Plastic different profile extrusion die shape model of tube fittings, vacuum tube joint should be clearly marked, and must not interfere with the connection of the pipe.
（ 6) Plastic different profile extrusion die shape mold should be a flexible, closed sections in the shape mould and water tank type should guarantee a certain piece of alignment.
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