KingPo Technology Development Limited
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IEC60335-2-17 Figure BB.1 to BB.3 Equipment for the mechanical strength test of blankets
1. Introduction
The blankets mechanical strength test apparatus is designed according to IEC60335-2-17 clause 21.102 and Annex BB.1 to BB.3. It’s used for mechanical strength test by simulating the actual use of the blanket. Pulling the blanket by the driving bar, the driving sprocket operating at a speed of 33r/min. Rotated the blanket 1000 times with an end attached to the driving bar and then turned through 90° and rotated another 1000 times.
2. Parameters
| Control method | button control+meter |
| Maximum size of blanket under test | 2100*2000mm |
| Lifting device | Double sprocket cylinder lifts |
| Driving sprocket speed | 33rpm/min |
| hardwood cylindrical | Ø65mm*140mm(L) |
| Force of cylindrical on drum | 5.1N |
| Size of rotating drum | Ø160*2000mm |
| Rubber spheres | R30mm, hardness: 40-50HR |
| Horizontal angle of arms | 25° |
| Square bar | 25*25*2000mm |
| Weight of blanket | 6kg/m or total mass 6.5kg |
| Test time | 0-9999 (settable) normally 1000 times |
| Diameter of sprocket | 230mm |
| Power supply | AC 220V/50Hz |
| Dimension | 2500*800*2500mm (L*D*H) |
3. Drawings
