Cooling fluid for fabrication operations

• US 4,869,839 A
• Filed: 06/10/1988
• Issued: 09/26/1989
• Est. Priority Date: 06/10/1988
• Status: Expired due to Fees

• Current Assignee: Darrell Franklin, Linnard Griffin
• Original Assignee: Darrell Franklin, Linnard Griffin
• Inventors: Griffin, Linnard, Franklin, Darrell
• Primary Examiner(s): NOT, DEFINED
• Assistant Examiner(s): Hunter, Jr., James M.
• Application Number:
  US07/205,290
• Time in Patent Office: 473 Days
• Field of Search: 252/32.7 E, 252/48.2, 252/52 R, 252/56 R
• US Class Current: 508/502
• CPC Class Codes: C10M 103/00 Lubricating compositions characterised by the base-material being an inorganic material containing more than 10% water C10M173/00
• CPC Class Codes: C10M 105/12 monohydroxy
• CPC Class Codes: C10M 105/20 Aldehydes; Ketones
• CPC Class Codes: C10M 105/24 having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
• CPC Class Codes: C10M 105/28 having only one carboxyl group bound to a carbon atom of a six-membered aromatic ring
• CPC Class Codes: C10M 105/40 containing free hydroxy or carboxyl groups
• CPC Class Codes: C10M 109/02 Reaction products
• CPC Class Codes: C10M 111/02 at least one of them being a non-macromolecular organic compound
• CPC Class Codes: C10M 127/02 well-defined aliphatic
• CPC Class Codes: C10M 169/04 Mixtures of base-materials and additives
• CPC Class Codes: C10M 2201/003 used as base material
• CPC Class Codes: C10M 2201/0403 used as base material
• CPC Class Codes: C10M 2201/0433 used as base material
• CPC Class Codes: C10M 2201/08 Inorganic acids or salts thereof
• CPC Class Codes: C10M 2201/081 containing halogen
• CPC Class Codes: C10M 2201/082 containing nitrogen
• CPC Class Codes: C10M 2201/084 containing sulfur, selenium or tellurium
• CPC Class Codes: C10M 2203/02 Well-defined aliphatic compounds
• CPC Class Codes: C10M 2203/022 saturated
• CPC Class Codes: C10M 2203/024 unsaturated
• CPC Class Codes: C10M 2203/04 : Well-defined cycloaliphatic compounds
• CPC Class Codes: C10M 2205/223 : used as base material
• CPC Class Codes: C10M 2207/021 : having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
• CPC Class Codes: C10M 2207/0215 : used as base material
• CPC Class Codes: C10M 2207/044 : Cyclic ethers having four or more ring atoms, e.g. furans, dioxolanes
• CPC Class Codes: C10M 2207/08 : Aldehydes; Ketones
• CPC Class Codes: C10M 2207/085 : used as base material
• CPC Class Codes: C10M 2207/1203 : used as base material
• CPC Class Codes: C10M 2207/121 : having hydrocarbon chains of seven or less carbon atoms
• CPC Class Codes: C10M 2207/1213 : used as base material
• CPC Class Codes: C10M 2207/122 : monocarboxylic
• CPC Class Codes: C10M 2207/1253 : used as base material
• CPC Class Codes: C10M 2207/1403 : used as base material
• CPC Class Codes: C10M 2207/144 : containing hydroxy groups
• CPC Class Codes: C10M 2207/1443 : used as base material
• CPC Class Codes: C10M 2207/146 : having carboxyl groups bound to carbon atoms of six-membeered aromatic rings having a hydrocarbon substituent of thirty or more carbon atoms
• CPC Class Codes: C10M 2207/1465 : used as base material
• CPC Class Codes: C10M 2207/163 : used as base material
• CPC Class Codes: C10M 2207/183 : used as base material
• CPC Class Codes: C10M 2207/203 : used as base material
• CPC Class Codes: C10M 2207/243 : used as base material
• CPC Class Codes: C10M 2207/284 : of aromatic monocarboxylic acids
• CPC Class Codes: C10M 2207/285 : of aromatic polycarboxylic acids
• CPC Class Codes: C10M 2207/2875 : used as base material
• CPC Class Codes: C10M 2207/2885 : used as base material
• CPC Class Codes: C10M 2207/2895 : used as base material
• CPC Class Codes: C10N 2040/10 : Running-in-oil ; Grinding
• CPC Class Codes: C10N 2040/20 : Metal working
• CPC Class Codes: C10N 2040/22 : with essential removal of material , e.g. cutting, grinding or drilling
• CPC Class Codes: C10N 2040/24 : without essential removal of material , e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
• CPC Class Codes: C10N 2040/241 : Manufacturing joint-less pipes
• CPC Class Codes: C10N 2040/242 : Hot working
• CPC Class Codes: C10N 2040/243 : Cold working
• CPC Class Codes: C10N 2040/244 : of specific metals
• CPC Class Codes: C10N 2040/245 : Soft metals, e.g. aluminum
• CPC Class Codes: C10N 2040/246 : Iron or steel
• CPC Class Codes: C10N 2040/247 : Stainless steel

Abstract

The present invention relates to a cooling fluid for metal cutting, drilling, grinding and other fabricating operations comprising a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H,--CH₃, --C₂ H₅,--C₃ H₇, and --C₄ H₉, a ketone with a boiling point of at least about 150° F., and an at least partially soluble acid.

The present invention also relates to a process and fluid product made by a certain process for cooling tools and workpieces for metal cutting, drilling, grinding and other fabricating operations comprising the steps of mixing a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H,--CH₃,--C₂ H₅,--C₃ H₇, and --C₄ H₉, a ketone with a boiling point of at least about 150° F., and an at least partially soluble acid, the mixture being a cooling fluid, maintaining substantial contact between the cooling fluid and an amount of transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within the fluids during fabrication, and operating a tool while maintaining substantial contact between the tool and the fluid during fabrication.

Claims

1. A cooling fluid for cutting, drilling, grinding and other fabricating operations comprising:

from about 2% by weight to about 98% by weight of a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H, --CH₃, --C₂ H₅, --C₃ H₇, and --C₄ H₉ ;

from about 2% by weight to about 98% by weight of a ketone with a boiling point of at least about 150°

F.; and

from about 0.01% by weight to about 98% by weight of an at least partially soluble acid.

2. The fluid of claim 1, wherein said compound of the formula C₆ H₄ (OH)COOR, is methyl salicylate.

3. The fluid of claim 1, wherein said acid is selected from the group consisting of methanol, ethanol, propanol, isopropyl alcohol, butanol, acetic acid, hydrochloric acid and sulfuric acid.

4. The fluid of claim 1, wherein said acid is methanol.

5. The fluid of claim 1, which additionally includes a diluent.

6. The fluid of claim 1, which additionally comprises a surface tension reducing agent.

7. The fluid of claim 6, wherein said surface tension reducing agent comprises from about 5% by weight to about 15% by weight of the total percent weight of said fluid.

8. The fluid of claim 6, wherein said surface tension reducing agent is turpentine.

9. A cooling fluid for cutting, drilling, grinding and other fabricating operations comprising:

from about 20% by weight to about 40% by weight of a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H, --CH₃, --C₂ H₅, --C₃ H₇, and --C₄ H₉ ;

from about 20% by weight to about 80% by weight of a ketone with a boiling point of at least about 150°

F.; and

from about 5% by weight to about 25% by weight of an at least partially soluble acid.

10. The fluid of claim 9, wherein said compound of the formula C₆ H₄ (OH)COOR is methyl salicylate.

11. The fluid of claim 9, wherein said acid is selected from the group consisting of methanol, ethanol, propanol, isopropyl alcohol, butanol, acetic acid, hydrochloric acid and sulfuric acid.

12. The fluid of claim 9, wherein said acid is methanol.

13. The fluid of claim 9, which additionally includes a diluent.

14. The fluid of claim 9, which additionally comprises a surface tension reducing agent

15. The fluid of claim 11, wherein said surface tension reducing agent comprises from about 5% by weight to about 15% by weight of the total percent weight of said fluid.

16. The fluid of claim 14, where said surface tension reducing agent is turpentine.

17. A cooling fluid for cutting, drilling, grinding and other fabricating operations, comprising:

from about 25% by weight to about 35% by weight of a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H, --CH₃, --C₂ H₅, --C₃ H₇, and --C₄ H₉ ;

from about 45% by weight to about 65% by weight of a ketone selected from the group consisting of camphor, methyl ethyl ketone, methyl propyl ketone, methyl isopropyl ketone, diethyl ketone, benzoin and phenylacetophenone; and

from about 10% by weight to about 20% by weight of an at least partially soluble acid selected from the group consisting of methanol, ethanol, propanol, isopropyl alcohol and butanol.

18. The fluid of claim 17, wherein said compound of the formula C₆ H₄ (OH)COOR is methyl salicylate.

19. The fluid of claim 17, wherein said acid is methanol.

20. The fluid of claim 17, which additionally includes a diluent.

21. The fluid of claim 17, which additionally comprises from about 5% by weight to about 15% by weight of a surface tension reducing agent.

22. The fluid of claim 21, where said surface tension reducing agent is turpentine.

23. A cooling fluid for cutting drilling, grinding and other fabricating operations, comprising:

from about 25% by weight to about 35% by weight of of methyl salicylate;

from about 45% by weight to about 65% by weight camphor; and

from about 10% by weight to about 20% by weight methanol.

24. The fluid of claim 23, which additionally includes a diluent.

25. The fluid of claim 23, which additionally comprises from about 5% by weight to about 15% by weight of a surface tension reducing agent.

26. A cooling fluid for cutting, drilling, grinding and other fabricating operations, comprising:

from about 25% by weight to about 35% by weight of methyl salicylate;

from about 45% by weight to about 65% by weight camphor;

from about 10% by weight to about 20% by weight methanol; and

from about 5% by weight to about 15% by weight turpentine.

27. The fluid of claim 26, which additionally includes a diluent.

28. A cooling fluid for cutting, drilling, grinding and other fabricating operations made by the process comprising the step of:

mixing from about 25% by weight to about 35% by weight of methyl salicylate;

from about 45% by weight to about 65% by weight of camphor;

from about 10% by weight to about 20% by weight methanol; and

from about 5% by weight to about 15% by weight turpentine.

29. A process for cooling tools and workpieces for cutting, drilling, grinding and other fabricating operations comprising the steps of:

mixing a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H, --CH₃, --C₂ H₅, --C₃ H₇, and --C₄ H₉, a ketone with a boiling point of at least about 150°

F., and an at least partially soluble acid, said mixture being a cooling fluid;

maintaining substantial contact between said cooling fluid and an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze an endothermic reaction with said fluid during fabrication; and

operating a fabrication tool while maintaining substantial contact between said fabrication tool and said fluid during fabrication.

30. The process of claim 29, wherein a diluent is additionally mixed in said cooling fluid.

31. The process of claim 29, wherein a surface tension reducing agent is additionally mixed in said cooling fluid.

32. The process of claim 29, wherein said fabrication tool contains said transition metal or said alloy.

33. The process of claim 29, wherein said workpiece contains said transition metal or said alloy.

34. A process for cooling tools and workpieces for cutting, drilling, grinding and other fabricating operations comprising the steps of:

mixing from about 2% by weight to about 98% by weight of a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H, --CH₃, --C₂ H₅, --C₃ H₇, and --C₄ H₉, from about 2% by weight to about 98% by weight of a ketone with a boiling point of at least about 150°

F. and from about 0.01% by weight to about 99% by weight of an at least partially soluble acid, said mixture being a cooling fluid;

maintaining substantial contact between said cooling fluid and an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within said fluid during fabrication; and

operating a fabrication tool while maintaining substantial contact between said tool and said fluid during fabrication.

35. The process of claim 34, wherein a diluent is additionally mixed in said cooling fluid.

36. The process of claim 34, wherein a surface tension reducing agent is additionally mixed in said cooling fluid.

37. The process of claim 34, where said fabrication tool contains said transition metal or said alloy.

38. The process of claim 34, where said workpiece contains said transition metal or said alloy.

39. A process for cooling cutting tools and workpieces for metal cutting operations comprising the steps of:

mixing from about 20% by weight to about 40% by weighto f a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H, --CH₃, --C₂ H₅, --C₃ H₇, and --C₄ H₉, from about 20% by weight to about 80% by weight of a ketone with a boiling point of at least about 150°

F. and from about 5% by weight to about 25% by weight of an at least partially soluble acid, said mixture being a cooling fluid;

maintaining substantial contact between said cooling fluid and an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within said fluid during cutting; and

operating a cutting tool while maintaining substantial contact between said cutting tool and said fluid during cutting.

40. The process of claim 39, wherein a diluent is additionally mixed in said cooling fluid.

41. The process of claim 39, wherein a surface tension reducing agent is additionally mixed in said cooling fluid.

42. A process for cooling cutting tools and workpieces for metal cutting operations comprising the steps of:

mixing from about 25% by weight to about 35% by weight of a compound of the formula C₆ H₄ (OH)COOR, where R is selected from the group consisting of --H, --CH₃, --C₃ H₇, and --C₄ H₉, from about 45% by weight to about 65% by weight of a ketone selected from the group consisting of camphor, methyl ethyl ketone, methyl propyl ketone, methyl isopropyl ketone, diethyl ketone, benzoin and phenylacetophenone, and from about 10% by weight to about 20% by weight of an at least partially soluble acid selected from the groups consisting of methanol, ethanol, propanol, isopropyl alcohol and butanol, said mixture being a cooling fluid;

maintaining substantial contact between said cooling fluid and an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within said fluid during cutting; and

operating a cutting bit while maintaining substantial contact between said cutting bit and said fluid during cutting.

43. The process of claim 42, wherein a diluent is additionally mixed in said cooling fluid.

44. The process of claim 42, wherein a surface tension reducing agent is additionally mixed in said cooling fluid.

45. A process for cooling cutting tools and workpieces for metal cutting operations comprising the steps of:

mixing from about 25% by weight to about 35% by weight of methyl salicylate, from about 45% by weight to about 65% by weight of camphor, and from about 10% by weight to about 20% by weight of methanol, said mixture being a cooling fluid;

maintaining substantial contact between said cooling fluid and an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within said fluid during cutting; and

operating a cutting tool while maintaining substantial contact between said cutting tool and said fluid during cutting.

46. A process for cooling cutting tools and workpieces for metal cutting operations comprising the steps of:

mixing from about 25% by weight to about 35% by weight of methyl salicylate from about 45% by weight to about 65% by weight of camphor, from about 10% by weight to about 20% by weight of methanol and from about 5% by weight to about 15% by weight of turpentine, said mixture being a cooling fluid;

maintaining substantial contact between said cooling fluid and an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within said fluid during fabrication; and

operating a cutting tool which contains an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within said fluid while maintaining substantial contact between said cutting tool and said fluid during cutting.

47. The process of claim 46, wherein a diluent is additionally mixed in said cooling fluid.

48. A process for cooling cutting tools and workpieces of exotic metals for metal cutting operations comprising the steps of:

mixing from about 25% by weight to about 35% by weight of methyl salicylate from about 45% by weight to about 65% by weight of camphor, from about 10% by weight to about 20% by weight of methanol and from about 5% by weight to about 15% by weight of turpentine, said mixture being a cooling fluid;

maintaining substantial contact between said cooling fluid and an amount of a transition metal or alloy containing at least one transition metal, sufficient to catalyze a reaction within said fluid during cutting; and

operating a cutting tool against a workpiece while maintaining substantial contact between said cutting tool and said fluid during cutting, where said workpiece at least partially comprises an exotic metal.