UL规格试料磨平机 电线电缆磨平机
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XL-UL
UL规格试料磨平机
本机在将橡胶或塑胶哑铃状试片磨平、磨薄或磨出所需之厚度,以供拉力、老化、耐油等试验之用。试片台左右、上下及前后之移动,以扳手操作。
符合UL1581标准第420.6条规定。
Buffing machine (AUGUST 2, 2006 - UL
1581)
420.6 A power-driven buffing machine (grinding wheel) is
appropriate for buffing irregularities from the samples from which
die-cut specimens are to be prepared. The abrasive wheel is to be
of about No. 36 grit (particle size of 0.019 inch or 0.486 mm). The
wheel is to run true and is not to vibrate. The diameter of the
wheel is not specified; however, 4-3/4 – 6-1/4 inch or 0.12 – 0.16
m has been found appropriate. The rotary velocity of the wheel is
to be 2500 – 3500 r/min. The diameter and rotary velocity of the
wheel are to be selected to give the wheel a peripheral speed
(rpm×p×wheel diameter) of 3000 – 5000 ft/min or 15 – 25 m/s.
CAUTION – The maximum wheel diameter stated in this paragraph and
the maximum wheel rpm stated in this paragraph shall not be used
together as this combination will result in a peripheral speed
above 5000 ft/min or 25 m/s. This applies even for wheels that are
marked as being intended for a peripheral speed above 5000 ft/min
or 25 m/s. The machine is to have a slow feed that applies light
pressure and removes very little material at one cut, thereby not
overheating the specimen or the wheel.
主要技术参数
砂 轮:36#; ø 6″
砂轮线速度:3000~5000feet/min或15~25m/s
皮带轮加速比:2:1
体 积:50×60×40cm
重 量:50kg
电 源:1∮,AC220V 50Hz
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