This standard specifies the specifications, technical requirements, test methods, inspection rules, packaging and packaging of 200-grade polyimide-fluorine composite film wrapped (single or double layer) copper rectangular wire. JB/T 6757-1993 200-grade polyimide-fluorine composite film wrapped copper rectangular wire JB/T6757-1993 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T 6757-1993
200 grade polyimide-Fluorine 46 composite film
wrapped copper rectangular wire
Published on August 21, 1993
Ministry of Machinery Industry of the People's Republic of China
Implementation on October 1, 1993
Mechanical Industry Standard of the People's Republic of China
200 grade polyimide-Fluorine 46 composite film
wrapped copper rectangular wire
1 Subject content and scope of application
JB/T 67571993
This standard specifies the specifications, technical requirements, test methods, inspection rules, packaging and marking of 200 grade polyimide-Fluorine 46 composite film wrapped (single or double layer) copper rectangular wire. This standard applies to 200-grade polyimide-fluorine 46 composite film wrapped copper flat wire, referred to as composite film wrapped flat wire. Reference standards
CB6108
GB1343
GB/T3048
GB5584
GB4074
Winding wire conductor
Test method for wrapped wire
Test method for electrical properties of wires and cables
Electrical copper, aluminum and their alloy fan wires
Test method for enameled wire
Terms, codes and symbols
3.1 Terms
3.1.1 Conductor
Refers to the metal part of the composite film wrapped fan wire after the insulation is removed. 3.1.2 Insulation thickness
The difference between the outer dimensions of the composite film wrapped fan wire and the conductor dimensions. 3.1.3 Heat grade
The heat grade is the heat resistance grade of the composite film wrapped flat wire. The minimum temperature index of 200 grade is 200, and the heat shock temperature is at least 220℃. 3.2 Code
3.2.1 Series code
Film wrapped wire
3.2.2 Insulation material code
Polyimide series 46 composite film
3.2.3 Conductor material code
T (omitted)
3.2.4 Conductor shape code
Braided conductor
3.2.5 Film wrapped layer code
3.3 Symbol
D (omitted)
A-Narrow side size of composite film wrapped flat wire, mm: B-Wide side size of composite film wrapped fan wire, mm; Approved by the Ministry of Machinery Industry on August 21, 1993
Implemented on October 1, 1993
Narrow side size of conductor, mm;
b-Wide side size of conductor, mm;
r-Corner radius of conductor, mm;Www.bzxZ.net
Conductor cutting surface, mm.
3.4 ​​Model
The models of composite film wrapped flat wire are shown in Table 1. Model
3.5 Product identification method
JB/T 67571993
200 grade single polyester imide-fluorine 46 composite film wrapped copper rectangular wire200 grade double polyimide-fluorine 46 composite film wrapped copper rectangular wire3.5.1 The product is indicated by model, specification, minimum insulation thickness, thermal grade and this standard number. Since there is only one thermal grade in this standard, it is omitted.
3.5.2 Example
The 200-grade single-case imide-fluorine 46 composite film wrapped copper fan wire with nominal size a of 2.00mm, b of 5.00mm and minimum insulation thickness of 0.100mm is expressed as
MYFB-0.100
2.00X5.00
JB6757-93
The nominal size a of 1.80mm, b of 4.00mm and minimum insulation thickness of 0.200mm The 200-grade polyimide-fluorine 46 composite film wrapped steel flat wire is represented as:
MYFEB-0.200
4 Technical requirements
4.1 Material
1.80×4.00
JB6757-93
4.1.1 The pot fan wire used for composite film wrapped fan wire shall meet the requirements of GB5584.2TBR type copper flat wire. The surface of the copper nodule wire shall be smooth and shall not have burrs, scratches, copper powder, oxide layer and oil stains. 4.1.2 The insulation of composite sea film wrapped flat wire shall be polyimide-fluorine 46 composite film, and its performance shall meet the requirements of Appendix A of this standard. 4.2 Conductor
4.2.1 The nominal size and cross-sectional area of ​​the conductor shall meet the requirements of Table 1 in GB6108.3. 4.2.2 The conductor size deviation shall comply with the provisions of Table 3 in GB6108.3. 4.2.3 The conductor corner radius shall comply with the provisions of Table 4 in GB6108.3. 4.3 Insulation
4.3.1 Single-layer composite film wrapped fan wire and double-layer composite film wrapped fan wire each have five insulation thicknesses, which are ranked from 1 to 5. 4.3.2 The minimum insulation thickness of composite film wrapped flat wire shall comply with the provisions of Table 2. 4.3.3 Maximum overall dimensions
The maximum overall dimensions of composite film wrapped flat wire shall not be greater than the sum of the maximum conductor size and the maximum insulation thickness. The maximum insulation thickness is as specified in Table 3. When the maximum overall dimensions of the composite film wrapped flat wire meet the requirements, the maximum insulation thickness is allowed to exceed the value specified in Table 3. 2
Note, 1) (Bb) is not assessed.
JB/T6757-1993
Minimum insulation thickness
Single-layer wrapping
Maximum insulation thickness
Single-layer wrapping
The DC resistance R2 per unit length at 20°C should not be greater than the value calculated by the following formula. Ro Pe/Snin
SuianinXbni0.8584rm
Where: Smin conductor minimum load area, mm; amis
Conductor minimum narrow side size, mm
bmi——conductor minimum wide side size, mm; Tmax conductor maximum fillet radius, mm;
Pzo——pot resistivity at 20°C, take 1/58α·mm/m. 4.5 Elongation
Double-layer wrapping
Double-layer wrapping
The elongation at break of the composite film wrapping wire should not be less than the provisions in Table 4. When preparing the test specimen, the mark shall be made on the bare conductor in a manner that does not damage the conductor properties.
Narrow side (a) Nominal size
2.50
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