OPTIMUM
M A S C H I N E N - G E R M A N Y
Assembly and commissioning
Version 1.0 dated 2015-05-27
Page 32
Original operating instructions
F3
GB
CAUTION!
The cooling lubricant needs to be checked at least weekly, including during downtimes,
with regard to its concentration, ph-value, bacteria and fungal decay.
"Cooling lubricants and tanks“ on page 167
We would like to ask you to have the following machine-related properties of the cooling lubri-
cant confirmed in writing by the manufacturer of the cooling lubricant.
The products must comply with the provisions of the current statutory regulations and the
employers' liability insurance association.
Request documentation for the products such as the product description VKIS and EC
safety data sheet from the cooling lubricants manufacturer. The EC safety data sheet gives
you information about the water hazard class.
They need to be environmentally friendly and workplace-friendly. Thus, they need to be free of
nitrite, PCB, chlorine and nitrosatable diethanolamine (DEA), according to TRGS 611.
The manufacturer should be able to provide a certificate concerning skin tolerance.
The mineral oil content according to DIN 51417 should be at least 40% in the concentrate.
If possible, it should be universally applicable for all chippings and materials.
Long service life of the emulsion e.g. long-term stable and resistant to bacteria.
Safe corrosion protection according to DIN 51360/2.
Re-emulsifiable and non-adhesive according to VKIS sheet 9: Sticking and residue behav-
iour.
It should not attack the varnish of the machine according to VDI 3035.
It should not attack any machine elements (metals, elastomers).
Low foaming behaviour of the emulsion.
It should be as finely dispersed as possible in order to avoid clogging in the needle slot
screen.
