What Makes A Shield Control Cable? > 자유게시판

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The conduit contains, for example, a coiled spring produced by winding one or plural flat steel wires or spherical steel wires in abutting convolutions and an outer coat product of a artificial resin which covers the outside surface of the coiled spring. The inside cable often comprises a stranded wire produced by twisting plural metallic wires or a stranded wire of which surroundings are coated with a artificial resin or strengthened by twisting flat steel wires across the stranded wire. Also, a artificial resin coating (hereinafter known as inside coat) is ready on the outer surroundings of the interior cable. When the content material of the organopolysiloxane is lower than 13% by weight, the load effectivity is lowered when the control cable is used for a protracted time period. For example, in case the shortage of lubricants is generated as a result of lengthy interval use of the management cable, there are some problems that the liner is totally worn down and the operationability of the management cable is excessively lowered, and the like. However, there are several problems, within the control cable in which a lubricant is used, reminiscent of difficulty of operation for coating because dispersion of the load effectivity of products is brought on by the unevenness of a coating, rubbishes and dusts are simply adhered to the lubricant when applying the lubricant to the control cable, and drip and the like are generated.

When the kinematic viscosity is less than 25 cSt, the organopolysiloxane having a lower viscosity is evaporated in a short while, and the put on and tear of the liner are generated throughout the control cable is used. When the content material of the organopolysiloxane having an ultra-excessive viscosity is greater than 85% by weight and the content of the organopolysiloxane having a lower viscosity is much less that 15% by weight, the results don't differ much from the consequences when the organopolysiloxane having an ultra-excessive viscosity is used solely, and the improvement of load efficiency is little. When the content material of the organopolysiloxane having an extremely-high viscosity is less that 45% by weight and the content material of the organopolysiloxane having a decrease viscosity is more that 55% by weight, an extruded product can't be produced as a result of a slide between a screw and a resin occurs in an extruder and the feed of the resin cannot be carried out.

When the content is more that 20% by weight, an extruded product cannot be produced as a result of a slip of a resin happens on a cylinder barrel in an extruder and the fixed feed of the resin cannot be carried out. However, when a organopolysiloxane having too low a viscosity is contained in a large quantity in the resin, there may be a problem that the organopolysiloxane cannot be successfully extruded to produce a liner, and thus the molding cannot be carried out due to the slipping of the resin on the cylinder barrel in the extruder. For instance, a method comprising ading the organopolysiloxane having an extremely-high viscosity and the organopolysiloxane having a lower viscosity individually to the thermoplastic resin whereas heating and kneading the thermoplastic resin and uniformly dispersing them, a way comprising adding the organopolysiloxane, which is beforehand ready by mixing the organopolysiloxane having an ultra-excessive viscosity and the organopolysiloxane having a lower viscosity in a prescribed proportion, to the melted thermoplastic resin and uniformly dispersing them, and the like could be exemplified. As a technique for forming an inner coat through the use of the polyphenylene sulfide, for instance, a melt-extrusion method and an electrostatic coating method of powder can be cited.

Examples of the thermoplastic resin are, for instance, polybutylene terephthalate, excessive density polyethylene, polyoxymethylene, a fluorocarbon resin represented by polytetrafluoroethylene, a polyamide represented by 6,6-nylon, polyphenylene sulfide, and the like, however the present invention shouldn't be limited by the exemplified ones. The management cable has been conventionally used to be able to function a transmission utilized in cars, autobicycles, bicycles and the like, a brake, a clutch, a speedmeter, and the like. Examples of the thermoplastic resin used in the above-mentioned liner are, as an illustration, polybutylene terephthalate, polyoxymethylene, polyamide represented by 1-nylon and 6,6-nylon, and the like, but the current invention will not be restricted to the exemplified ones and other thermoplastic resins can be utilized as far as the thing of the current invention can be completed. Examples of the above-mentioned polybutylene terephthalate are, as an illustration, a homopolymer of butylene terephthalate, a copolymer of butylene terephthalate and other monomer such as ethylene terephthalate having a content material of the opposite monomer of at most about 10% by weight, and the like. The everyday examples are, as an example, dimethylpolysiloxane, methylalkylpolysiloxane, methylphenylpolysiloxane, methylaminoalkylpolysiloxane, methylfluoroalkylpolysiloxane, and the like. The representative examples of the organopolysiloxane having a lower viscosity are, as an illustration, dimethylpolysiloxane, methylalkylpolysiloxane, methylphenylpolysiloxane, methylaminoalkylpolysiloxane, methylfluoroalkylpolysiloxane, and the like.