Mine cable is short for fire-retardant cable for coal mines. According to the provisions of the industry standard “Fire-retardant cable for coal mines†promulgated by the State Coal Industry Bureau, the naming content of the mining cable, that is, the meaning of the mining cable model is as follows.
First, the cable's name consists of eight parts:
The first part is series code M, the first prefix of the pinyin of coal.
The second part is the use of characteristic code, reflecting the occasions used by the cable. The meanings of the letters are as follows: C, for coal mining machine; D, for low-temperature environment; M, cap lamp; Y, for coal mining equipment (moving); Z, for electric drilling.
The third part is the structural feature code, indicating the structural characteristics of the cable. The meanings of the letters are as follows: B, weaving strengthening; J, with monitoring core; P, non-metallic shielding; PT, metal shielding; Q, lightweight;
The fourth part is the material feature code, and E means that the insulation or sheath is made of elastomer material. This part is omitted when both rubber and rubber are used. E, elastomer material.
The fifth part is rated voltage U0/U(KV).
The sixth part is the representation of the number of power cores * nominal cross-sectional area. The two are connected by a multiplication sign and the unit is square millimeters.
The seventh part is the representation of the number of ground cores* nominal cross-sectional area. The two are connected by a multiplication sign and the unit is square millimeters.
The eighth part is the representation of the number of auxiliary cores * nominal cross-sectional area. The two are connected by a multiplication sign and the unit is square millimeters.
First, the cable's name consists of eight parts:
The first part is series code M, the first prefix of the pinyin of coal.
The second part is the use of characteristic code, reflecting the occasions used by the cable. The meanings of the letters are as follows: C, for coal mining machine; D, for low-temperature environment; M, cap lamp; Y, for coal mining equipment (moving); Z, for electric drilling.
The third part is the structural feature code, indicating the structural characteristics of the cable. The meanings of the letters are as follows: B, weaving strengthening; J, with monitoring core; P, non-metallic shielding; PT, metal shielding; Q, lightweight;
The fourth part is the material feature code, and E means that the insulation or sheath is made of elastomer material. This part is omitted when both rubber and rubber are used. E, elastomer material.
The fifth part is rated voltage U0/U(KV).
The sixth part is the representation of the number of power cores * nominal cross-sectional area. The two are connected by a multiplication sign and the unit is square millimeters.
The seventh part is the representation of the number of ground cores* nominal cross-sectional area. The two are connected by a multiplication sign and the unit is square millimeters.
The eighth part is the representation of the number of auxiliary cores * nominal cross-sectional area. The two are connected by a multiplication sign and the unit is square millimeters.
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