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Technical environment - clean room

Safe and Clean with igus® e-chains®

igus® goes clean room - qualification of E6 and other igus® e-chains®

The already low abrasion of the e-chain® is yet again significantly reduced by the application of a special material. In many applications where cumbersome special solutions are used, a simple standard e-chain® can be used instead. An extensive test program has been completed for both gliding and unsupported applications. For many applications, the e-chain® made of special material can be operated practically free of abrasion. The IPA tests confirm that the standard e-chain® from igus® is sufficient for clean room requirements. "Tested and certified as very good!" e-chains® for clean room applications on the test stand Clean room environments demand very high wear resistance of moving parts. Thus for instance, e-chains® must be extremely wear resistant in order to fulfill the standard requirements of this sensitive environment. The Fraunhofer Institute for Production Technology and Automation (IPA) has tested the igus® E6 and E14 Series in the following way:

ISO Class 1, in accordance with DIN EN ISO 14644-1 for System E3, Series E3.15.040.075.0 at v = 0.5 m/s, 1 m/s, 2 m/s

ISO Class 1, in accordance with DIN EN ISO 14644-1 for System E6 - special material*, Series E6.29.060.150.0.CR
at v = 0.5 m/s, 1 m/s, 2 m/s

ISO Class 3, in accordance with DIN EN ISO 14644-1 for System E6 - standard material*, Series E6.29.060.150.0
at v = 0.5 m/s, 1 m/s, 2 m/s

ISO Class 2, in accordance with DIN EN ISO 14644-1 for easy chain® Series E14.3.038 at v = 1 m/s

ISO Class 3, in accordance with DIN EN ISO 14644-1 for System E6, Series E6.29.050 at v = 1 m/s and 2 m/s

Test setup "Cleanroom" with E14.3.038.0
particle generation measurement
Test setup "ESD" with E6.29.050.055.0
field strength measurement
 
Measurement result:
Particle generation E14.3.038.0
 
Measurement result:
Field strength E6.29.050.055.0

X = particle >0.2μm per min
Y = measurement period [min]

A = measuring point 1
B = measuring point 2
C = measuring point 3
D = measuring point 4

E = ISO Class 2, according to DIN EN ISO 14644-1 for E14.3.038.0

 

X = field strength [V/cm]
Y = measuring point

A = reference strength e-field (after neutralization) [V/cm]
B = 2. measured value (20 hours) [V/cm]
C = 4. measured value (44 hours) [V/cm]
D = 1. measured value (4 hours) [V/cm]
E = 3. measured value (28 hours) [V/cm]
F = 5. measured value (48 hours) [V/cm]

G = Level 1, ESD compatibility according to SEMI E78-0998 for E14.3.038.0 and E6.29.050.055.0

 
Classification chart

Class per DIN
EN ISO 14644-1
Equivalent to
VDI 2083
Equivalent to
US Fed.Std. 209E
Series
classification
Speed
[m/s]
ISO class 1 no comparable classification no comparable classification E3.15.040.075.0 0,5 / 1,0 / 2,0
ISO class 1 no comparable classification no comparable classification E6.29.060.150.0.CR* 0,5 / 2,0
ISO class 2 no comparable classification no comparable classification E14.3.038.0 1,0
ISO class 3 class 1 class 1 E6.29.060.150.0 0,5 / 1,0 / 2,0
ISO class 4 class 2 class 10
ISO class 5 class 3 class 100
ISO class 6 class 4 class 1.000
ISO class 7 class 5 class 10.000
ISO class 8 class 6 class 100.000
*Special material "clean room"

 

Fraunhofer
Institut
Production technology
and automation