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  • 产品名称: Impact Apparatus For Testing Enclosures Of Moisture-Proof Appliances
  • NO.: HJ0621
  • Views : 8

 This device meets the standard of IEC60335-2-17 clause 21.109 figure 110. Safety of household and similar electrical appliances-Part 2-17:Particular requirements for blankets, pads and similar flexible heating appliance.

 

 For testing the impact performance of the enclosure of moisture-proof appliances consisting of plastic sheeting shall have adequate flexibility under cold conditions.

 

 Enclosure of the pad.

 

 The sheeting is cut into 10 rectangular samples, each being 145 mm long and 50 mm wide with the longer dimension perpendicular to any striations resulting from the manufacturing process. Each sample is folded about its minor axis and allowed to form a loop without creases. It is stapled to a card twice, the staples being placed close together and approximately 30 mm from the edges, as shown in Figure 110. The test apparatus, which is also shown in Figure 110, has a steel arm, which is freely pivoted at one end so that the other end can fall against a steel anvil on which the sample is placed. The mass of the arm assembly is 3.1kg±0.03kg, the arm and anvil being grooved to clear the staples fixing the samples to the card. With its arm in the open position, the test apparatus is placed in a top-opening cabinet, the temperature of which is maintained at -20℃±2℃.

 

1. Using stainless steel materials
2. One end of the steel arm can turn to 85°, the mass of the arm assembly is 3.1kg±0.03kg.
3. The arm and anvil being grooved to clear the staples fixing the samples to the card. 
4. The sheeting is cut into 10 rectangular samples, each being 145 mm long and 50 mm wide.
5. Each sample is folded about its minor axis and allowed to form a loop without creases. 6. It is stapled to a card twice, the staples being placed close together and approximately 30 mm from the edges
7. Remark: The test needs to be carried out in the low temperature box (-20士1℃), Low temperature chamber need to offer by the user.

CONSULTATION

 
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