This standard specifies the product variety, structure, technical requirements, test methods and inspection rules of twill braided wire. JB/T 6313.2-1992 Electrical copper braided wire Twill braided wire JB/T6313.2-1992 Standard download decompression password: www.bzxz.net
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Mechanical Industry Standard of the People's Republic of China Electrical Copper Braided Wire Subject Content and Scope of Application Twill Braided Wire JB6313.2-92 This standard specifies the product variety, structure, technical requirements, test methods and inspection rules of twill braided wire. This standard applies to twill braided wire (including twill pot braided wire and twill tinned copper braided wire). In addition to complying with the provisions of this standard, twill braided wire shall also comply with the requirements of JB6313.1. Model The model of twill braided wire is shown in Table 1. TZX-20 TZX-15 TZX-10 The specifications of twill braided wire are shown in Table 2. The specifications of twill braided sleeves are shown in Table 3. TZX-20 TZX-15 TZX-10 Approved by the Ministry of Machinery and Electronics Industry on June 26, 1992 20-type twill copper braided wire 15-type twill copper braided wire 10-type twill copper braided wire Twill steel braided wire for loudspeaker voice coil 20-type twill plated copper braided wire 15-type twill tinned copper braided wire 10-type twill tinned copper braided wire Tinned twill copper braided wire for loudspeaker voice coil Tinned twill copper braided sleeve for shielding protection Nominal section.mm 16~800 0. 03~0. 3 1993-01-01 Implementation Technical requirements 4.1 Structure JB6313.2—92 1 The structure of TZ-20 and TZX-20 twill braided wires shall comply with the provisions of Table 4. 4.1.1 Number of strands×Number of roots×Number of sets /Single wire diameter 24×22×1/0.20 24X33X1/0.20 24X44X1/0. 20 | | tt | | 24X33X2/0.20 | X8/0.20 24X40×10/0.20 24×40×10/0.20 +36×44 ×2/0.20 24X40×10/0.20 +48X44X3/0.20 24X40×10/0.20 +48×44X5/0.20 24×40×10/0.20 +48×44×7/0.20 Overall dimensions Reference value for thickness The structure of TZ-15 and TZX-15 twill braided wires shall comply with the requirements of Table 5. , Table 5 Number of strands X number of roots X number of sets /single wire diameter 28×4×1/0.15 36X6×1/0.15 48×6×1/0.15 48×12×1/0.15 36X16×1/0.15 48X20×1/0.15 36×26×1/0.15 36×32×1/0.15 48X 30×1/0.15 36X40X1/0.15 48X20×2/0.15 36×56×1/0.15 48X20X3/0.15 36×40×2/0.15 Overall dimensions Width≤ Reference value for thickness|| tt||DC resistance at 20C, a/km, g TZX-20 DC resistance at 20C, n/km, TZX-15 Calculated mass Calculated mass Number of strands×Number of roots×Number of sets /Single wire diameter 48X28X 3/0.15 36×56×2/0.15 36×40×3/0.15 48X28X4/0.15 48×28X5/0.15 JB6313.2-92 Table 5 continued Overall dimensions Reference value of thickness The structure of TZ-10 and TZX-10 twill braided wires shall comply with the provisions of Table 6. Table 6 Number of strands×Number of roots×Number of sets /Single wire diameter 36×14×1/0.10 36X21×1/0.10 36×36×1/0.10 36×56×1/0.10 36×42×2/0.10 36×42×3/0.10 Overall dimensions Reference value of thickness DC resistance 20 (+0/km, TZX-15 DC resistance 20 c.o/km. TZX-10bzxZ.net The structure of the twill braided wire for TZQ and TZXQ loudspeaker voice coils shall comply with the provisions of Table 7. Table 7 Number of strands x number of roots x number of sets /Single wire diameter 8×3/0.07 16X3/0.07 16×5/0.07 Calculated outer diameter DC appliances 20c.n/km, ≤ The structure of the twill tinned copper braided sleeve for TZXP shielding protection shall comply with the provisions of Table 8. Table 8 24 ~30 Number of strands×number of roots/single wire diameter 16×3/0.10 16×5/0.10 24×4/0.15 24X8/0.15 24×8/0.20 24×8/0.30 36×6/0.30 Calculated mass Calculated mass Calculated mass| |tt||4.2 Width JB6313.2—92 Continued Table 8 Number of strands×Number of roots/Single wire diameter 36×8/0.30 48×8/0.30 48×10/0.30 The width of TZ-20 and TZX-20 twill copper braided wires shall comply with the requirements of Table 4. 4.2.2 TZ-15 and TZX-20 The width of X-15 type twill copper braided wire shall comply with the provisions of Table 5. The width of TZ-10 type and TZX-10 type twill copper braided wire shall comply with the provisions of Table 6. 4.2.3 The width of the twill braided wire shall be measured with a vernier ruler. 4.3 Shrinkage density Calculated mass The weaving density of the TZXP type shielding protection twill tinned copper braided sleeve with a sleeve diameter of 4mm or less shall not be less than 70%. 4.3.2| |tt||The braiding density of the TZXP type shielding protection twill tinned copper braided sleeve with a sleeve diameter of 4mm or more shall not be less than 80%. 4.3.3 Calculation of the braiding density of the braided sleeve: take a sample with a length of 200mm and put it on a round rod with the corresponding maximum diameter, measure the relevant data with a vernier ruler, and calculate it according to formula (1). P=(2P.-P).100% Where: P Braiding density, %: P. -Unidirectional arrangement density coefficient. Half the number of strands (spindles) of the braided layer; Number of single wires per strand; -single wire diameter, mm; braiding angle, degree; h·cosa yuan (D+) VR+(D+8) D-round rod diameter, mm; h-braiding pitch, mm; ——braiding sleeve thickness (8=2d), mm. 4.4 Braiding 4.4.1 All twill braided wires with thickness requirements shall be pressed into flat strips. (1) 4.4.2 A silk thread shall be added to the center of the twill braided wire used for the voice coil of TZQ and TZXQ loudspeakers, and shall run through the entire length of the product. 4.5 DC resistance 4.5.1The DC resistance of TZ-20 and TZX-20 twill braided wires shall comply with the provisions of Table 4. 4.5.2 The DC resistance of TZ-15 and TZX-15 twill braided wires shall comply with the provisions of Table 5. 4.5.3 The DC resistance of TZ-10 and TZX-10 twill braided wires shall comply with the provisions of Table 6. 4.5.4 The DC resistance of TZQ and TZXQ twill braided wires for loudspeaker voice coils shall comply with the provisions of Table 7. Inspection rules The product shall be inspected in accordance with the provisions of Table 9. Additional instructions: Test items Weaving density DC resistance JB 6313.2-92 Article number Article 4.2 of JB6313.1 Article 4.3 of JB6313.1 and Article 4.1 of this standard Article 4.2 of this standard Article 4.3 of this standard Article 4.5 of this standard This standard is proposed and managed by Shanghai Cable Research Institute of the Ministry of Machinery and Electronics Industry. Test type Test method Normal visual inspection GB 4909.2 GB 4909.2 Article 4.3 of this standard GB 3048.4 This standard was drafted by Shanghai Cable Research Institute of the Ministry of Machinery and Electronics Industry, Shanghai Copper Material Factory, Beijing Wire Factory No. 7, and Chongqing Wire General Factory. The main drafters of this standard are Yuan Hesheng, Chen Yafu, and Song Lixin. This standard adopts DIN46444 & Twill Woven Copper Strip". From the date of implementation of this standard, the original JB2572-79 will be invalid. 163 *Caolu Yiwei* provides high-quality documents. 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