This standard specifies the product classification, technical requirements, test methods, inspection rules, marking and packaging of marine cable ties. This standard applies to nylon ties, metal ties and plastic-coated metal ties for ship cable laying. CB/T 3496-1992 Marine Cable Ties CB/T3496-1992 Standard download decompression password: www.bzxz.net
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Ship Industry Standard of the People's Republic of Chinawww.bzxz.net CB/T3496-92 Marine Cable Ties Published on January 8, 1993 Implemented on July 1, 1993 Ship Industry Standard of the People's Republic of China Marine Cable Ties 1 Subject Content and Scope of Application CB/T3496-92 Classification Number: U06 Replacement: CB1113-85 CB'3125--82 CB3126-82 This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging and storage of marine cable ties (hereinafter referred to as ties). This standard applies to nylon ties, metal ties and plastic-coated metal ties for ship cable laying. 2 Reference standards GB2423.10 Basic environmental test procedures for electrical and electronic products Test Fc: Vibration (sinusoidal) test method GB2792 Determination of 180-degree peel strength of pressure-sensitive tape GB9286 Cross-cut test for paint and varnish films ZB/TU06002 Marine cable laying process 3 Product classification 3.1 Type According to the manufacturing material, it can be divided into nylon cable ties, metal cable ties and plastic-coated metal cable ties; plastic-coated metal cable ties can be divided into plastic-coated metal cable ties, plastic-sprayed metal cable ties and extruded metal cable ties according to their production process 3.2 Model 3.2.1 Nylon cable tie Effective length Lo, mm Nylon cable tie 3.2.2 Metal cable tie Approved by China State Shipbuilding Corporation on January 8, 1993--Embedded locking Reverse tooth locking Implemented on July 1, 1993 3.2.3 Plastic-coated metal cable tie 3.3 Marking example CB/T3496-92 Main material: smooth Locking type Galvanized steel -Stainless steel 0—0 type H—- H-type Effective length Le, mm Metal cable tie Plastic coating type Main material Locking type -Plastic spraying -Extrusion Galvanized steel Stainless steel -L——L-type Effective length Lmm Plastic coated metal cable tie 3.3.1 The nylon cable tie with an effective length of 110mm and locked with an inlay is marked as: Nylon cable tie NZ110QCB/T3496--92 3.3.2 Effective length is 150m m. Stainless steel metal cable ties with L-type locking are marked as: Metal cable tie JZ150LSCB/T3496-92 3.3.3 Galvanized steel plastic-sprayed metal cable ties with an effective length of 200mm and G-type locking are marked as: Plastic-coated metal cable ties FZ200GZPCB/T3496-923.4 Basic dimensions of cable ties 3.4.1 Basic dimensions of nylon cable ties 3.4.1.1 See Figure 1 and Table 1 for nylon cable ties with embedded locking. 2 CB/T3496--92 See Figure 2 and Table 1 for nylon cable ties with inverted tooth locking. Figure 2 Total length L NZ110Q NZ110D NZ140Q NZ140D NZ200Q NZ200D NZ260Q NZ260D NZ310Q NZ310D NZ350Q NZ350D NZ400Q NZ400D Note: For the specifications of the core wire nylon cable ties, please refer to Appendix A (supplement). 3.4.2 Basic dimensions of metal cable ties 3.4.2.10 type locking metal cable ties are shown in Figure 3 and Table 2. Effective length L Width B Thickness. CB/T3496-92 3.4.2.2H-type locking metal cable tie see Figure 4 and Table 2Le 000000000000000000000000000000Figure 4 3.4.2.3G-type locking metal cable tie see Figure 5 and Table 2.Figure 5 3.4.2.4L-type locking metal cable tie see Figure 6 and Table 2. Type Total length L CB/T349692 Effective length L Width B Galvanized steel Stainless steel 3.4.3 The basic dimensions of plastic-coated metal cable ties are shown in Figures 3 to 6 and Table 3. The length of each roll of plastic-coated metal cable ties of irregular length is 20 to 25m, and the body width is 14mm. Technical requirements Total length L Normal working conditions The normal working conditions of cable ties are as shown in Table 4. Maximum value of ambient air temperature, ℃ Minimum value of ambient air temperature, ℃ Maximum value of cable tie working temperature, C Influence of humid air at sea Influence of oil and gas Influence of salt spray 4.2 Cable tie materials The materials for cable ties shall be as per Table 5. CB/T3496—92 Effective length L. Width B Plastic coating thickness Plastic spray type Part name Nylon cable tie body Metal cable tie body Plastic coated cable tie body Locking device 4.3 Appearance and dimensions CB/T3496—92 Cold rolled stainless steel Mild steel strip Galvanized steel strip Cold rolled stainless steel Mild steel strip Galvanized steel strip Stainless steel insert Stainless steel A3 steel galvanized blunt Chemical Nylon 6/Nylon 66 OCr18Nig 1Cr18Ni9 OCr18Ni9 1Cr18Ni9 Nylon 6/Nylon 66 1Cr18Ni9Ti 1Ct18Ni9 Q235-A GB2598 GB3526 GB2598 GB3526 GB2598 GB2598 GB 700 The surface color of the cable tie should be uniform, smooth and shiny, and the edge should be free of sharp angles, burrs or notches; the thickness of the plastic coating layer of the plastic-coated cable tie should be uniform. The size should comply with the provisions of Article 3.3. 4.4 Vibration resistance Perform vibration test on cable ties according to the provisions of GB2423.10 and the parameters of Table 6. During the test, the cable ties shall not break or the locking parts shall not loosen. Frequency range 4.5 Tensile strength Displacement±1.0 When tested according to Article 5.4, the tensile strength value shall not be less than that specified in Table 7. Table 7 Effective length L of cable ties. 4.6 Corrosion resistance Acceleration Minimum tensile strength CB/T3496—92 When galvanized steel strips are tested according to Article 5.5, there shall be no copper deposits on the surface of the cable ties. 4.7 Flame retardancy When nylon cable ties and plastic-coated metal cable ties are subjected to the flame retardancy test according to Article 5.6, the cable ties shall be able to self-extinguish. After the combustion stops, the surface of the test piece shall be wiped clean, and the burnt part shall not extend to the top of the test piece. 4.8 Cold bending When nylon cable ties and plastic-coated metal cable ties are subjected to the cold bending test according to Article 5.7, there shall be no cracks or breaks on the surface of the test piece. 4.9 Peel strength of plastic-coated and extruded layers Plastic-coated and extruded metal cable ties shall be tested in accordance with the provisions of GB2792, and the residual peel strength of the plastic-coated layer and the extruded layer shall not be less than 1.6N/cm. 4.10 Coating Adhesion Plastic-sprayed metal cable ties shall be tested in accordance with the relevant provisions of GB9286. The adhesion of the plastic-sprayed layer shall reach 95%, i.e., Grade 1 adhesion. 4.11 Heat Aging When nylon cable ties are subjected to heat aging tests in accordance with 5.10, their tensile strength and load capacity shall not be less than the values listed in Table 8. Table 8 Effective length L of cable ties. 5 Test methods 5.1 Environmental conditions Tensile strength before heat aging Normal test atmospheric conditions during cable tie testing, see Table 9. Table 9 5.2 Appearance and Dimension Inspection Load during heat aging Relative humidity Tensile strength after heat aging 86×10~106×10 Visual inspection of the appearance of the sample should meet the requirements of Article 4.3. Use a vernier caliper or ruler to check the actual molding size of the product. It should meet the requirements of Article 3.3. 5.3 Vibration test Simulate the actual ship cable laying form, use a V-shaped bracket, and fasten the bundled cable to the cable bracket according to the effective length L of the tie. The cable bundle length can be 500~900mm, and the cable fastening requirements should meet the requirements of ZB/TU06002. Place a group of test pieces on the vibration test bench, scan back and forth 3 times according to the parameters in Table 6, and then perform a 2h endurance test at the resonance point. If there is no obvious resonance point, perform a 2h endurance test at a frequency of 30Hz. The cable should be tested in both the drooping and side hanging directions. The result shall meet the requirements of 4.4. 5.4 Tensile test Take 10 cable ties of each specification, wrap a single cable tie around and tie it to the tensile fixture shown in Figure 7, then apply tensile force at a tensile speed of 12mm/min until the cable tie breaks or the fastener loosens. 8 5.5 Rust resistance test CB/T3496—92 Central fixture connection hole Cable tie fastener Located in the center line Ten galvanized steel strips of each specification, cut 10 galvanized steel strips of 250mm length, clean and dry them with cotton yarn soaked in gasoline. The sample is immersed in copper sulfate (CuSO,·5H,O) solution test. After 1min, take the sample out of the liquid and immediately wash it with cotton yarn in tap water to remove the sponge-like deposited copper. The results shall meet the requirements of 4 and 6. 5.6 Lag test 10 nylon and plastic-coated cable ties with a length of 200mm are used. The test piece is placed in the middle of a test bench with three metal shields. The shielding dimensions are 1200mm×300mm×450mm in height×width×depth. The front is open, the top and bottom are closed, and the base is non-metallic. The heat source is a blowtorch with a nozzle diameter of 10mm. The flame of the blowtorch is at an angle of 45° to the test piece. The blowtorch is adjusted to produce a blue flame with a flame temperature of 800±50℃. The bottom of the test piece should be about 50mm away from the shielded base. When the test begins, the middle part of the flame should be shot to about 50mm above the lower end of the belt, and the fire should be continuously supplied for 605. The results shall meet the requirements of 4.7. 5.7 Cold bending test Take 10 nylon cable ties and plastic-coated cable ties of each type, and cut 10 cable ties of 250mm length from the plastic-coated cable ties of irregular length as test pieces. Place the test pieces and the cold bending rolls in a refrigeration device at the same time, cool to -25±2℃, and after 4 hours, tightly wind the cable ties around the reel in a spiral shape for 5 turns at low temperature. The diameter of the roll is 7.5mm, and the winding time for each turn is about 5s. The results should meet the requirements of Article 4.8. 5.8 Peel strength test Take 10 plastic-coated cable ties and extruded metal cable ties of 250rmm length, and use a peel strength tester with an automatic recording device to test according to the provisions of GB2792. The results should meet the requirements of Article 4.9. 5.9 Coating Adhesion Test Take 10 pieces of each type of plastic-sprayed metal cable ties and 10 pieces of plastic-sprayed metal cable ties of indefinite length of 250mm as test pieces, and conduct the test according to the relevant provisions of GB9286. The results shall meet the requirements of Article 4.10. 5.10 Heat Aging Test 5.10.1 Take 10 pieces of each type of nylon cable ties as test pieces. The test pieces shall be pre-treated first, that is, put them in an oven at a temperature of 50±2℃ and a relative humidity of (20±2)% for 24 hours, take them out and keep them at room temperature for 30 minutes, and then start the test immediately. 5.10.2 The pre-treated specimen is mounted on the special plastic tensile testing machine shown in Figure 7 for tensile testing before heat aging. The fixture moving speed is 12mm/min. The result should meet the requirements of Article 4.11. 5.10.3 The specimen is placed on the load testing machine shown in Figure 8 for load testing during heat aging. It is subjected to the load value of Article 4.11 and placed in an oven at a temperature of 90±2℃ for 240h. During this period, the cable tie should not break and the locking device should not loosen. Cable Tie CB/T3496—92 5.10.4 After heat aging test according to Article 5.10.3, pre-treatment is performed according to Article 5.10.1 and then tensile test after heat aging is performed according to Article 5.10.2. The result should meet the requirements of Article 4.11. 6 Inspection rules 6.1 Product inspection is divided into factory inspection and type test6.2 Factory inspection 6.2.1 Cable ties shall be inspected by the inspection department of the manufacturer and issued with a certificate of conformity before they can be shipped6.2.2 The items and number of samples for factory inspection shall be in accordance with Table 10. Table 10 Appearance dimensions4.3 Tensile strength Corrosion resistance Peel strength4.9 Adhesion i4.105.9 Heat aging 4.115.10 Inspection categories Number of samples Metal cable ties Plastic coated cable ties Plastic sprayed cable ties If unqualified products are found during the inspection, double sampling shall be carried out for re-inspection. If the product still fails to meet the standards after re-testing, the manufacturer shall check the reasons and resubmit for inspection after eliminating the defects.1 Ten pieces of each type of nylon cable ties are used as test pieces. The test pieces should be pretreated first, that is, placed in an oven at a temperature of 50 ± 2°C and a relative humidity of (20 ± 2)% for 24 hours, taken out and kept at room temperature for 30 minutes, and then the test is immediately started. 5.10.2 The pretreated test pieces are mounted on the special plastic tensile testing machine shown in Figure 7 for tensile test before thermal aging. The fixture moving speed is 12mm/min, and the result should meet the requirements of Article 4.11. 5.10.3 The test pieces are placed on the load testing machine shown in Figure 8 for load test during thermal aging, so that they can withstand the load value of Article 4.11, and placed in an oven at a temperature of 90 ± 2°C for 240 hours. During this period, the cable ties should not break and the locking device should not loosen. Cable ties CB/T3496—92 5.10.4 After the heat aging test is carried out in accordance with 5.10.3, the pretreatment is carried out in accordance with 5.10.1 and the tensile test after heat aging is carried out in accordance with 5.10.2. The result shall meet the requirements of 4.11. 6 Inspection rules 6.1 Product inspection is divided into factory inspection and type test. 6.2 Factory inspection 6.2.1 Cable ties shall be inspected by the inspection department of the manufacturer and issued with a certificate of conformity before they can be shipped. 6.2.2 The items and number of samples for factory inspection shall be in accordance with Table 10. Table 10 Appearance size4.3 Tensile strength Rust resistance Peel strength4.9 Adhesion i4.105.9 Heat aging 4.115.10 Inspection category Number of samples Metal cable ties Plastic coated cable ties Plastic sprayed cable ties If unqualified products are found during the inspection, double sampling should be carried out for re-inspection. If there are still unqualified products after re-inspection, the manufacturer shall check the reasons. After eliminating the defects, resubmit for inspection. 101 Ten pieces of each type of nylon cable ties are used as test pieces. The test pieces should be pretreated first, that is, placed in an oven at a temperature of 50 ± 2°C and a relative humidity of (20 ± 2)% for 24 hours, taken out and kept at room temperature for 30 minutes, and then the test is immediately started. 5.10.2 The pretreated test pieces are mounted on the special plastic tensile testing machine shown in Figure 7 for tensile test before thermal aging. The fixture moving speed is 12mm/min, and the result should meet the requirements of Article 4.11. 5.10.3 The test pieces are placed on the load testing machine shown in Figure 8 for load test during thermal aging, so that they can withstand the load value of Article 4.11, and placed in an oven at a temperature of 90 ± 2°C for 240 hours. During this period, the cable ties should not break and the locking device should not loosen. Cable ties CB/T3496—92 5.10.4 After the heat aging test is carried out in accordance with 5.10.3, the pretreatment is carried out in accordance with 5.10.1 and the tensile test after heat aging is carried out in accordance with 5.10.2. The result shall meet the requirements of 4.11. 6 Inspection rules 6.1 Product inspection is divided into factory inspection and type test. 6.2 Factory inspection 6.2.1 Cable ties shall be inspected by the inspection department of the manufacturer and issued with a certificate of conformity before they can be shipped. 6.2.2 The items and number of samples for factory inspection shall be in accordance with Table 10. Table 10 Appearance size4.3 Tensile strength Rust resistance Peel strength4.9 Adhesion i4.105.9 Heat aging 4.115.10 Inspection category Number of samples Metal cable ties Plastic coated cable ties Plastic sprayed cable ties If unqualified products are found during the inspection, double sampling should be carried out for re-inspection. If there are still unqualified products after re-inspection, the manufacturer shall check the reasons. After eliminating the defects, resubmit for inspection. 10 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.