RK Rose+Krieger has optimised its RK Duoline profile linear unit for use in cleanrooms and now offers spindle and belt-driven RK Duoline Clean linear units, with or without vacuum suction, in the popular sizes 60 and 80. A total of eight different versions passed EN ISO 14644-1 testing to be awarded cleanroom certification in the global classifications 1 (RK Duoline Clean 60 SU with 0.5 m/s vacuum suction) to 5 (RK Duoline Clean 80 Z without 0.5 m/s vacuum suction). All the requisite cleanroom suitability tests were conducted at the Fraunhofer Institute for Manufacturing Engineering and Automation (IPA) in Stuttgart.
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Cleanroom production is an essential aspect of the manufacturing process for industries such as the semi-conductor industry, photovoltaics, microelectronics, aerospace technology, not to mention the automotive industry. Naturally the requisite cleanroom classifications vary as a result.
Since cleanroom production rarely involves moving heavy loads, RK Rose+Krieger has dedicated its cleanroom axis design to the sizes 60 and 80. The result is a total of eight different linear units, each tested at three different speeds:
Duoline Clean linear units are available with either a spindle or polyurethane toothed-belt drive. In general all Duoline Clean units feature a stainless steel cover strip. Moreover, every cleanroom axis can be fitted with vacuum suction, which reduces particle emissions still further.
Particles per m³ | ||||||
Classi- fication | 0,1 µm | 0,2 µm | 0,3 µm | 0,5 µm | 1,0 µm | 5,0 µm |
ISO 1 | 10 | 2 | ||||
ISO 2 | 100 | 24 | 10 | 4 | ||
ISO 3 | 1000 | 237 | 102 | 35 | 8 | |
ISO 4 | 10000 | 2370 | 1020 | 352 | 83 | |
ISO 5 | 100000 | 23700 | 10200 | 3520 | 832 | 29 |
ISO 6 | 35200 | 8320 | 293 | |||
ISO 7 | 352000 | 83200 | 2930 | |||
ISO 8 | 3520000 | 832000 | 29300 | |||
ISO 9 | 35200000 | 8320000 | 293000 |