In the production process of the rubber sheathed cable, the appearance of defects, such as the surface is not smooth, the surface of clinker particles (early rubber particles) or impurities, wire and cable surface scratches, abrasions, the surface of the collapse of the surface has hemp patterns and so on. The following are five common causes of appearance defects in rubber sheathed cables:
1.The die sleeve bearing line is too long or too short, the die mouth is not smooth and the aperture is too large, the nose, die or fuselage temperature is low, rubber plastic small and so on may cause the rubber sheath cable surface is not smooth
2.The supply of rubber is not clean, containing impurities; extrusion rubber fuselage, nose or die temperature is too high, the rubber flow in the nose is not smooth, there are rubber stranded dead corners, screw is not slippery, viscose, etc. are likely to lead to rubber sheath surface of the clinker particles (early vulcanized rubber particles) or impurities.
3.The mold sleeve is not smooth, has no chamfer angle, has the impurity or the ripe rubber particle to mold the mouth, in the vulcanization tube scratches the pipe, the vulcanized tube outlet seals the rubber washer aperture small and so on all may cause the rubber sheath cable surface scratches, scratches.
4.The aperture of the die sleeve is too large, the outer ply of the conductive core is large, the gap between the filaments is not uniform, the outer diameter of the cable core is uneven, the rubber material is small, the viscosity is poor, the impurity in the rubber is small, the pressure is small, and the surface of the rubber sheath
5.The mold sleeve aperture is too small, the rubber material extrusion is insufficient, the line core gap fills the dissatisfaction, the conductive wire core or the cable core jumper, the mold distance short and so on may cause the rubber sheath cable surface to appear the hemp pattern.
The rubber sheathed cable is a flexible movable cable variety that is made up of thin copper wire, which is used for rubber insulation and rubber sheath. Generally speaking, including general rubber sheathed soft cable, welding machine cable, submersible motor cable, radio device cable and photographic light source cable and other varieties.
Rubber sheathed cables are widely used in a variety of electrical equipment, such as daily-use appliances, electric machinery, electrical appliances and appliances, mobile power cord. At the same time can be used in indoor or outdoor environment conditions. According to the mechanical external force of the cable, the product structure is divided into light, medium and heavy three categories. There is also a proper connection between the sections.
General Light rubber sheathed cable is used for daily electrical appliances, small electric equipment, requiring soft, lightweight, good bending performance;
Medium rubber sheathed cable is widely used in agricultural electrification except industrial.
Heavy-duty cables are used for such occasions as Port machinery, searchlights and large-scale hydraulic station. This kind of product has the good versatility, the series specification is complete, the performance is good and stable
Waterproof rubber sheathed Cable and submersible cable: mainly used for submersible motor matching, model for JHS, JHSB.
Radio Equipment Cable: Now the main production of two kinds of rubber sheathed cable (a shielding, a kind of unshielded), the basic can meet the requirements, models for WYHD, WYHDP.
Photographic Cable Products: with the development of new light source, with a small structure, good performance, while meeting the needs of indoor and outdoor work, gradually replace some heavy, heat-resistant and poor performance of old products.