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Basic dataStandard ID: DL/T 1982-2019 (DL/T1982-2019)Description (Translated English): Technical specification of thermal transfer sign for power engineering Sector / Industry: Electricity & Power Industry Standard (Recommended) Classification of Chinese Standard: W70 Classification of International Standard: 37.100 Word Count Estimation: 15,199 Date of Issue: 2019-06-04 Date of Implementation: 2019-10-01 Quoted Standard: GB/T 191; GB/T 1040.1; GB/T 1040.3; GB/T 2423.38; GB/T 2792-2014; GB 2893; GB 2894; GB/T 4208; GB/T 4851; GB/T 7706; GB/T 8807; GB/T 9754; GB/T 10125; GB/T 10592; GB/T 11547; GB/T 16422.3; GB/T 17200; GB/T 18833-2012; GB/T 28165; GB/T 28439; GB/T 29768 Regulation (derived from): Natural Resources Department Announcement No. 7 of 2019 Issuing agency(ies): National Energy Administration Summary: This standard specifies the classification, technical requirements, test methods, inspection rules, packaging and storage, installation, operation and maintenance requirements of the thermal transfer label for power engineering. This standard applies to heat transfer marks used in the construction, operation and maintenance of power projects. DL/T 1982-2019: Technical specification of thermal transfer sign for power engineering---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Technical specification of thermal transfer sign for power engineering DL/T 996-2019 ICS 37.10 W 70 People's Republic of China Electric Power Industry Standard Technical specification for thermal transfer marking of power engineering 2019-06-04 released 2019-10-01 implementation Issued by National Energy Administration Table of contentsForeword...II 1 Scope...1 2 Normative references...1 3 Terms and definitions...1 4 Classification...2 5 Technical requirements...2 6 Test method...4 7 Inspection rules...10 8 Packaging and storage...11 9 Installation...11 10 Operation and maintenance...12ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009 "Guidelines for Standardization Work Part 1.Standard Structure and Compilation". Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed and managed by the China Electricity Council. Drafting organizations of this standard. China Electric Power Development Promotion Association, Beijing Dingyi Tongyuan Technology Development Co., Ltd., State Grid Jibei Electric Power Company, Beijing Hengtai Shida Technology Co., Ltd., Hunan Dingyiyuan Technology Development Co., Ltd. The main drafters of this standard. Tang Guochu, Li Zhan, Wang Jian, Yang Jing, Zhu Xiaoling, Liu Yinghua, Liu Zhe, Qian Sujin, Ding Yong. This standard was issued for the first time. Please feedback your comments or suggestions during the implementation of this standard to the Standardization Management Center of China Electricity Council (Baiguang, Xicheng District, Beijing) Lu Er Tiao No. 1, 100761). Technical specification for thermal transfer marking of power engineering1 ScopeThis standard specifies the classification, technical requirements, inspection rules, packaging and storage, installation, operation and maintenance of thermal transfer labels for power engineering Claim. This standard applies to heat transfer marks used in the construction, operation and maintenance of power projects.2 Normative referencesThe following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 191 Packaging, storage and transportation pictorial signs GB/T 2893 safety color GB/T 2894 Safety signs and guidelines for their use GB/T 2792 Test method for peel strength of adhesive tape GB 4208 Shell protection grade (IP code) GB/T 4851 Test method for stickiness of adhesive tape GB/T 8807 Plastic mirror gloss test method GB/T 7706 Letterpress decoration printed matter GB 9754 Paints and varnishes Determination of 20°, 60° and 85° specular gloss of paint films without metallic pigments GB/T 29768 Information Technology Radio Frequency Identification 800-900MHz Air Interface Protocol GB/T 10125 Artificial atmosphere corrosion test salt spray test GB/T 10592 Technical conditions of high and low temperature test chamber GB/T 11547 Determination of resistance of plastics to liquid chemical reagents GB/T 17200 Technical requirements for tensile, compression and bending testing machines for rubber and plastics GB/T 18833 Road traffic reflective film GB/T 28165 General Specification for Thermal Printer GB/T 28439 General Specification for Thermal Transfer Ribbon GB/T 30435 Electric heating drying oven and electric heating blast drying oven GB/T 1040 Determination of tensile properties of plastics GB/T 2423.38 Environmental testing of electrical and electronic products GB/T 16422.3 Plastic laboratory light source exposure test method Part 3.Fluorescent ultraviolet lamp JT/T 690 Retroreflective photometric performance test method DL 5190 Technical Specification for Power Construction IEC 61964 Integrated Circuit-Memory Device Pin Configuration3 Terms and definitionsThe terms defined in GB/T 28165 and GB/T 28439 and the following terms and definitions apply to this document. 3.1 Printing stock It is a material that is attached to the color of the polymer ribbon to show the content of graphics and text, and is a carrier of thermal transfer content. 3.2 Thermal transfer sign thermal transfer sign Logo made using thermal transfer technology. 3.3 Tadio frequency thermal transfer sign Thermal transfer logo with radio frequency tag. 3.4 Tuminous thermal transfer sign The substrate is usually a thermal transfer mark of a homogeneous polymer film. 3.5 Teflective thermal transfer sign The substrate is a thermal transfer logo of glass bead reflective film or microprism reflective film.4 categories4.1 According to the difference in gloss and reflectivity of thermal transfer marks, thermal transfer marks for power engineering can be divided into bright and reflective thermal transfer marks. 4.2 According to the different functions of the logo, the thermal transfer logo of power engineering can be divided into graphic thermal transfer logo, radio frequency thermal transfer logo, two-dimensional Code thermal transfer logo.5 Technical requirements5.1 Appearance requirements 5.1.1 The thermal transfer logo should be of uniform thickness and neat edges. 5.1.2 The heat transfer logo should have a smooth surface, no stains, no scratches, no bubbles, no streaks, and no defects. 5.1.3 The thermal transfer logo should be clear with clear graphics, uniform color, uniform gloss, and flawless spots. 5.1.4 The surface of the thermal transfer logo shall be printed at one time using thermal transfer technology, without a film seal structure. 5.2 Material requirements 5.2.1 Substrate The substrate should be a homogeneous polymer material that is resistant to corrosion, abrasion, and aging. 5.2.2 Thermal transfer ribbon The thermal transfer ribbon should be a polymer resin-based ribbon, which should meet the requirements of GB/T 28439 and GB 2893. 5.3 Ribbon printing performance requirements The thermal transfer marking ribbon print has abrasion resistance and peeling resistance. 5.4 Thermal dimensional changes At a constant temperature of 80℃±2℃ for 24h, the size change rate of the thermal transfer mark should be less than or equal to 0.1%. 5.5 Sticky performance When the weight is suspended for 360h under the condition of 2kg, the thermal transfer mark has no displacement and does not fall off. 5.6 Salt spray corrosion resistance When exposed to a 5% sodium chloride solution atomization environment at 35℃±2℃ for 120h, the surface of the thermal transfer mark should not be faded, wrinkled, or wrinkled. Foaming and cracking, while meeting the bonding performance requirements. 5.7 High and low temperature resistance Keep it at -40℃±3℃ for 72h and at 70℃±3℃ for 24h. The heat transfer label should not be glued or peeled off. 5.8 Corrosion resistance The heat transfer mark should have the ability to resist acid, alkali, salt, organic solvent, cleaning agent, etc. 5.9 Weather resistance The heat transfer mark should have good weather resistance. After the artificial accelerated aging of the fluorescent ultraviolet lamp is not less than 3600h, the gray level of the substrate is large The attenuation rate of black pattern is less than or equal to 5%, and the attenuation rate of other colors is less than or equal to 20%; the surface should not have cracks, wrinkles, Damage such as nicks, dents, bubbles, erosion, peeling, chalking or deformation; there should be no shrinkage of more than 2% from any side, nor There are traces of the thermal transfer logo warping or detaching from the edge of the bottom plate. 5.10 Photometric performance The photometric performance of the thermal transfer mark is expressed by the retroreflective coefficient, and the retroreflective coefficient RA should meet the requirements of Table 1-7 in GB/T 18833. 5.11 Gloss The glossiness of the surface of the bright heat transfer mark is 20°incidence angle greater than or equal to 65 gloss units, 60°incident angle greater than or equal to 92 gloss units, The incident angle of 80° is greater than or equal to 98 gloss units. 5.12 Radio frequency read and write If the radio frequency heat transfer mark is in the radio frequency range, the read and write sensitivity should meet the relevant regulations. 5.13 Radio frequency high and low temperature The radio frequency heat transfer mark can read the information of the UHF heat transfer mark chip under the condition of -40℃～80℃. 5.14 Radio frequency protection rating The protection level of the radio frequency heat transfer logo is not less than IP68. 5.15 Tensile performance 5.15.1 The tensile breaking strength should meet the requirements in GB/T 1040.3, and the tensile breaking strength of the thermal transfer label should be greater than or equal to 480(N/100mm); 5.15.2 The tensile strain at break should meet the requirements in GB/T 1040.3, and the tensile strain at break of the thermal transfer mark should be greater than or equal to 185%.6 Test method6.1 Sample Extract and prepare samples according to the following methods. 6.1.1 Use a thermal transfer printer to continuously print 10 400mm×500mm power engineering thermal transfer labels; 6.1.2 Randomly select 6 thermal transfer labels, and prepare samples according to the sample preparation method required in each test item. 6.2 Visual inspection The appearance of the heat transfer mark should not only meet the relevant regulations of GB 2893 and GB 2894, but also should be visualized under natural light. The results of the visual inspection should meet the requirements in 5.1. 6.3 Friction resistance test 6.3.1 Test equipment Precision balance, accuracy. 0.1mg The friction testing machine, as shown in Figure 1, meets the standard GB/T 7706. Figure 1 Schematic diagram of friction test machine 6.3.2 Test procedure 6.3.2.1 Cut a 60mm×250mm thermal transfer marking sample to make a friction-resistant sample. The friction paper uses 80g/㎡ clean offset paper, wide The degree is 50mm; 6.3.2.2 Place the sample in the analytical balance and record the mass m1 of the sample before friction; 6.3.2.3 Fix the sample on the friction test bench, start the friction test machine, and set the number of friction 500 times; 6.3.2.4 After the friction is over, clean the surface of the sample with a camel hair brush, place it on an analytical balance and weigh it, and record the mass of the sample after friction m2, calculate the mass attenuation m, calculated according to formula (1). 6.3.3 Results judgment The mass loss after the thermal transfer mark friction test should be less than or equal to 2mg. 6.4 Peel test 6.4.1 Test equipment Peel testing machine, as shown in Figure 2, meets the standard GB/T 7706 Figure 2 Schematic diagram of peel test machine 6.4.2 Test procedure 6.4.2.1 Cut a 35mm×300mm thermal transfer marking sample to make a peeling performance sample. No less than 3 samples; 6.4.2.2 Paste the special peeling tape on the thermal transfer marking ribbon print, and roll it back and forth 3 times with a tape roller to make the required sample part The position is completely pasted, and the sample after the thermal transfer mark is pasted is placed for 5min～10min; 6.4.2.3 Fix one end of the sample on the A plate, and fix the exposed tape on the B plate; 6.4.2.4 After starting up, drive A rotates at a speed of 0.6m/s～1.0m/s to uncover the tape; 6.4.2.5 Remove the sample, cover the uncovered part with translucent millimeter grid paper with a width of 20mm, and count the number of grids A1 and the number of grids occupied by the outstanding tape mark respectively. The number of grids occupied by the stripped ribbon print is A2.The color band imprinting binding fastness A is calculated according to formula (2). 6.4.3 Results judgment The binding fastness of thermal transfer marking ribbon should be greater than or equal to 99%. 6.5 Heat transfer mark and 180° peel strength test of stainless steel 6.5.1 Test equipment The testing machine should meet the requirements of GB/T 17200 6.5.2 Test procedure 6.5.2.1 Cut out a 25mm×150mm thermal transfer marking sample. No less than 3 samples; 6.5.2.2 It complies with chapter 5 of GB/T 2792. 6.5.3 Judgment results The 180° peel strength of the heat transfer logo and stainless steel should be greater than or equal to 2.0 (kgf/in). 6.6 Heated dimensional change test 6.6.1 Test equipment The blast drying oven meets the standard GB/T 30435. 6.6.2 Experimental procedure 6.6.2.1 Cut a 250mm×250mm thermal transfer label sample and remove the release paper; 6.6.2.2 Paste the sample on the aluminum plate, there should be no bubbles on the pasting surface; 6.6.2.3 Place the sample in a blast drying oven at 80°C ± 2°C, without stacking, at a constant temperature for 24 hours. Take out the sample and put it in a standard experimental environment Leave it for 24 hours and measure the size again. Calculate according to formula (3). 6.6.3 Results judgment The heat transfer mark shall meet the requirements of 5.4 when the heat transfer size changes. 6.7 Adhesive performance test 6.7.1 Experimental instrument The schematic diagram of the holding force testing machine and the experimental device is shown in Figure 3, which conforms to the standard GB/T 4851. 6.7.2 Experimental procedure 6.7.2.1 Cut the thermal transfer mark into 25mm×100mm samples, with no less than 3 samples in each group; 6.7.2.2 Wipe the test board and loading board with the wiping material dipped in cleaning agent, and then wipe them dry with clean gauze to keep the sample clean; 6.7.2.3 Paste the sample parallel to the longitudinal direction of the board in the middle of the test board and the loading board. Use a roller press at a speed of 300mm/min Roll on the sample once; 6.7.2.4 After the sample is pasted on the board, fix the test board vertically on the test frame, and lightly connect the loading board and the 2kg weight with a pin. recording Test start time; Remove heavy objects after 360h. Use an indexed magnifying glass to test the sliding displacement of the sample to the nearest 0.1mm; 6.7.2.5 The test results are expressed as the average value of a group of samples. 6.7.3 Results judgment The results of the thermal transfer mark stickiness test meet the requirements of 5.5. 6.8 Salt spray corrosion resistance test 6.8.1 Test equipment The salt spray test chamber meets the standard GB/T 10125. 6.8.2 Experimental procedure 6.8.2.1 Dissolve chemically pure sodium chloride in distilled water to prepare a 5% salt solution, so that the salt solution is continuously atomized in the salt spray test box. The temperature is maintained at 35℃±2℃; 6.8.2.2 Cut a 150mm×150mm thermal transfer mark sample and paste it on a 1mm～2mm thick aluminum alloy plate to make a salt spray corrosion sample; 6.8.2.3 Put the sample into the test box, the test surface is at an angle of 30° with the vertical direction, and the two adjacent sample plates maintain a certain gap. Less than 75mm, the sample is continuously exposed in the salt spray space for 120h; 6.8.2.4 After the test, wash off the salt deposits on the surface of the sample with clean water, and then place it in a standard environment to recover for 2 hours for a comprehensive inspection. 6.8.3 Results judgment After the heat transfer mark is resistant to salt spray corrosion, the result shall meet the requirements of 5.6. 6.9 High and low temperature resistance test 6.9.1 Test equipment High and low temperature cycle test chamber, in line with standard GB/T 10592. 6.9.2 Test procedure 6.9.2.1 Cut 150mm×150mm thermal transfer marks and paste them on a 1mm~2mm thick aluminum alloy plate to make high and low temperature samples; 6.9.2.2 Reduce the temperature in the box gradually to -40℃±3℃, put the sample in the test box, and keep the sample at this temperature for 72h; 6.9.2.3 Turn off the power and let the test box naturally heat up to room temperature, then heat up the test box to 70℃±3℃, and keep it at this temperature for 24h, Finally, turn off the power and let the test chamber cool to room temperature naturally; 6.9.2.4 Take out the sample and place it under standard test conditions for 2 hours to check the surface changes. 6.9.3 Results judgment The result of the heat transfer mark after high and low temperature tests shall meet the requirements of 5.7. 6.10 Corrosion resistance test 6.10.1 Solvent type See Table 1 for the type, concentration and immersion time of the solvent-resistant solution for thermal transfer marking. Meet the standard GB/T 11547. 6.10.2 Test procedure 6.10.2.1 Configure the solvent according to the solution concentration specified in Table 1. 6.10.2.2 Put the friction-resistant sample and the peel-off sample into the immersion container, and pour the configured solvent into the container. The kind is appropriate. Record start time. 6.10.2.3 After 16 weeks, take out the sample, rinse it with clean water, and dry it in a blast drying oven; 6.10.2.4 Conduct abrasion resistance and peel performance tests on the samples respectively, and refer to the contents specified in 6.3 and 6.4 for the test procedures. 6.10.3 Results judgment After the heat transfer mark is liquid resistant, the mass attenuation of the friction test should be less than or equal to 3.75mg, and the retention rate of the ribbon imprint in the peeling test should be greater than equal At 79%. 6.11 Weather resistance test 6.11.1 Test equipment Ultraviolet accelerated weathering tester, in line with the standard GB/T 16422.3. 6.11.2 Test time See Table 2 for the artificial accelerated aging test time of the thermal transfer mark of power engineering. 6.11.3 Test procedure 6.11.3.1 According to GB/T 16422.3, the aging test box adopts fluorescent ultraviolet lamp as the light source, and the temperature of the blackboard in the box is 65℃±3℃. Choose 50%±5% of humidity; 6.11.3.2 The size of the sample can be selected according to the requirements of the test box, generally 60mm×250mm; 6.11.3.3 The irradiance of the aging test chamber between the spectral wavelength of 290nm～800nm is 550W/m2, and the spectral wavelength is between 290nm～2450nm The total irradiance should not exceed 1000W/m2±100W/m2, and the irradiance difference between any two points on the sample surface should not be greater than 10%; 6.11.3.4 The test process uses continuous light with periodic water spray. A spray cycle is 120 minutes, of which 18 minutes are sprayed and 102 minutes are sprayed. No water spray 6.11.3.5 After the 3600h aging test, rinse the sample thoroughly with clean water, dry it with a soft cloth, and conduct various inspections and related performance tests. 6.11.4 Results judgment After the artificial accelerated aging test, the thermal transfer label shall meet the requirements of 5.9. 6.12 Photometric performance 6.12.1 Test equipment The experimental equipment includes light receiver, projection light source, goniometer-sample holder and receiver-light source holder. 6.12.2 Test procedure 6.12.2.1 Cut 150mm×150mm thermal transfer reflective film samples; 6.12.2.2 Test the retroreflective coefficient of the thermal transfer mark according to the ratio method, substitution method or direct luminescence method specified in JT/T 690. 6.12....... |
