Amada HFA-250 Operator's Manual page 18

Water-soluble cutting fluids
Soluble
Semi-synthetic
Synthetic
NOTE
Dilute each product to the specified ratio.
Oil-based cutting fluids
Straight mineral oil
Fatty oil
Mixed oil
Chlorinated oil
Sulfurized oil
Active: Heavy cutting
Inert: Light cutting
Sulfochlorinated oil
Active: Heavy cutting
Inert: Light cutting
Water-soluble cutting fluids
Advantage
• Have high cooling effect
• Not flammable
• Economical
• Do not require cleaning of cut products
(especially when soluble)
Oil-based cutting fluids
Advantage
• Have high lubricating effect (suited for heavy
cutting)
• Have high cooling effect at elevated
temperatures
• Prevent chip weldment (suited for heavy cutting)
• Provide high corrosion protection for nonferrous
materials (inert type)
xviii
Appendix 1: Classification of cutting fluids
Color when diluted
Milky white or clear
Mineral oil
Animal or vegetable oil
Mixture of straight mineral oil and fatty oil
Straight mineral oil or mixed oil with addition of chlorine compound
Straight mineral oil or mixed oil with addition of sulfur compound
Straight mineral oil or mixed oil with addition of chlorine and sulfur
compounds
Appendix 2: Characteristics of cutting fluids
Clear
Clear
Main composition
Disadvantage
• Remove paint
• Lose rust protection effect when deteriorated
• Foam
• Putrefy
• Decline in performance, depending on quality of
water used for dilution
Disadvantage
• Smoke
• Flammable
• Corrosive to nonferrous materials (active type)
Main composition
Mineral oil
Mineral oil
Polymer