Precision 0.1mm Stainless Steel Box Car Interior Material Burning Test Box
Automotive interior material burning test machine JD-3053
Applicable industry:
This combustion test device is suitable for identifying the horizontal combustion characteristics of interior materials of automobiles (cars, multi-purpose passenger cars, trucks and buses).
Applicable standards:
Meet the requirements of GB8410-2006, TL1010, GM6090M, DIN7520, GM9070P, MVSS302, GMW3232, GS97038.
Test method:
The sample was horizontally held on a U-shaped bracket and ignited by a small flame for 15 s in a combustion chamber, and the flame was ignited at the free end of the sample. Record whether the flame is extinguished or when it is extinguished; and the distance the sample burns and the time it takes to burn the distance.
Data reading: burning time, afterflame time, burning distance
Test result: Burning speed V (mm/min) converted by the following formula: V=60 X(L / T), in the mode: L—burning distance mm; T—time s used for burning distance L test results
Instrument composition:
1. Combustion system: anti-corrosion combustion box, inner diameter 9.5mm gas lamp nozzle; ignition automatic control system, intake and exhaust system.
2, timing system: burning timer, afterflame timer.
3. Test fixture: It consists of two U-shaped corrosion-resistant metal plates. One of the brackets is provided with a heat-resistant metal wire diameter of 0.25 mm and a support line with a distance of 25 mm.
4. Glass observation window: The front part of the combustion box is provided with a heat-resistant glass observation window, which can easily observe the change of burning speed during combustion.
5. Stainless steel box: There are 10 venting holes with a diameter of 19mm at the bottom of the combustion box. The four walls are close to the top with a 13mm wide ventilation slot. The entire combustion chamber is supported by four legs 10 mm high. A small hole for inserting a thermometer is arranged at the top of the combustion box, and the hole is arranged at the center of the top and the back, and the center is 20 mm from the inner side of the rear panel.
Technical Parameters:
1. Burning box metal cover (studio size: length X width X height): 385X204X360mm
2, the bottom ventilation hole spacing: horizontal 63.5mm, vertical: 127mm,
3, the bottom ventilation hole: the number of 10, the diameter of 19mm
4, ventilation slot: 360X13mm
5, bottom feet: 10mm
6. Gas lamp nozzle inner diameter: 9.5mm
7, burning flame: 38mm
8. The center of the nozzle mouth is below the center of the free end of the sample: 19mm
9. The bottom of the sample is above the bottom of the combustion box: 178mm
10. The front end of the sample holder is away from the inner surface of the combustion box: 22mm
11. Distance between the longitudinal side of the test bracket and the inner surface of the combustion box: 50mm
12, the first branch of the test stand from the front end: 38mm
13. The second branch of the test support is from the first pivot point: 100mm
14. The third branch of the test support is from the second pivot point: 254mm
15. Heat resistant wire diameter: 0.25mm
16, heat-resistant wire spacing: 25mm
17. The length of the metal comb is greater than: 110mm, and there are 7~8 optical scallops per 25mm.
18, collection tray:: 336X85mm
19, timer setting: 15S (0~99.99/S/M/H can be set)
20, thermometer: MAX: 150 ° C
21, steel ruler: accuracy: 0.1mm
22, gas: liquefied gas (self-provided)
23, power supply voltage: 220V/50Hz
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