xinda precision machinery company has focused on the PVC cable wire trunk making machine , PVC cable duct channel machine over 21 years with rich experience and strong technology , our machinery exported to over 20 countries , such as Italy , Poland , Egypt , Turkey , Vietnam , UAE , Africa , Germany , America , etc.
according to the customers’ feedback and market demands , we continue to perfect the design and quality , adopt the SIEMENS motor , ABB converter , SCHNEIDER electric , etc. ensure the top quality and perfect performance , we supply the turn-key service including installation , test running and training workers in customer’s local factory . we are your trustworthy partner !
PVC cable duct channel production process :
1.the raw material mixing: PVC, filler, stabilizer, plasticizers, antioxidants and other accessories, according to the proportion of formula ,feed the all raw materials intothe high-speed mixer, after the high speed mixing ,the material temperature reach to the settemperature , then discharge to the cold mixer automatically and reduce the material to 40-50 º C; then the mixed raw materials could be feed into the extruder directly .
2.the extruder part: The machine is equipped with dosingdevice, it make the feeding volume match the extrusion well, ensure stable extrusion products. As the characteristics of the conical twin screw, feeding section has a larger diameter, the material heat transfer area and shear rate is relatively large, it is good for the raw materials plasticization, metering screw section diameter become small, reducing the heat transfer area , so that the melt can be extruded at a lower temperature. When the screw rotates in the barrel, the PVC mixture will be plasticized and then pushed to the head, so as to achieve compaction, melting, mixing and homogenization; and to achieve the purpose of exhaust, dehydration. Feeding device and screw drive device using frequency control, synchronous speed can be achieved
3.extrusion die part: viacompaction, melting, mixing of raw materials, the screw push the raw materials to the die head, extrusion die is the key part of the wire trunking production.
4. vacuum calibration &cooling device equip with the vacuum system ,recycled water cooling system , it is to forming the profile ,the cooling tank adopt the stainless steel , the vacuum & cooling tank can move back & forth by electric motor control .
5.the hauling off unit is for continuous & automatically drawing the cool & hardened profiles from the die to the end ,the speed is control by frequency control.
6.cutting machine part : the cutting length is adjustable by the limit switch , with the delay turning tipping table ensure the production automatically and continuously , the cutter drive with the electric and pneumatic , also equip with a dust suction device .
7.Tipping table: When the cutting saw is cut off, the profile will continue to be conveyed. After the delay, the cylinder will enter into workthe stack table will turn over , discharge the tube automatically , then a few seconds delay,the table recover & waiting for the next cycle.
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