Precautions for the Production of Electric Cable Reels (1)
Precautions for the Production of Electric Cable Reels
2021-08-31
Electric Stranding ReelWhat are the precautions for the manufacturing process? Let's take a look.
1. What are the quality requirements for the stranded conductive wire core?
Answer: The stranded wire core should be tight, round, straight, without severe bends, no jumps, no abrasions, flattened, with no oxidation, blackening, falling off of the tin layer, or tin particles on the copper wire surface, uniform pitch, flat and firm joints, neat arrangement, wire diameter meeting tolerance specifications, and length meeting specified requirements.
2. What preparations should be made before wire stranding production?
Answer: (1) Check if all parts of the stranding machine are normal and if there are any obstacles in the moving parts; (2) Check the electromechanical equipment, electrical switches, and safety devices; (3) Check if the welding machine is normal; (4) Check if tools and measuring instruments are complete; (5) Select and match the pressing mold according to the work order and process card requirements, replace the pitch gear, and replace the wire diameter measuring line.
3. What are the main causes of abrasions and wire jumps in the stranded wire core?
Answer: (1) The main causes of abrasions are: damage to the guide wheel or the wire jumping out of the guide wheel, damage to the threading tube, damage or size of the mold, and wire being crushed or abraded during reel rotation. Prevention methods: replace the guide wheel to prevent the wire from jumping out, replace the threading tube, select the appropriate pressing mold, and replace the wire reel. (2) The causes of wire jumps mainly include: the distance between the pressing mold and the dividing plate is too far, inconsistent tension in the unwinding, and the pressing mold being too large. Prevention methods: reasonably adjust the distance between the pressing mold and the dividing plate, adjust the base of the unwinding tension, and select the appropriate pressing mold.
4. What is reverse twisting stranding? Under what circumstances is it effective?
Answer: Reverse twisting stranding refers to keeping each reel with single wires in a horizontal position using a special device (reverse twisting mechanism) to ensure that each single wire does not undergo self-twisting deformation during the stranding process. Reverse twisting is only effective when the single wire diameter is larger, the pitch is larger, and the single wire is stiffer.
Next time we will continue to introduceElectric Stranding Reelthe precautions for manufacturing.
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ZhenHua Packing Machinery
Tel: 086-769-85707005
Mobile: 086 132 6843 4928
Email: wangyumei630@163.com
Address: Building 3, Wanshan Factory, No. 38 Hulin Road, Humen Town, Dongguan City
ZhenHua Packing Machinery
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