78 results about "Metalworking fluid" patented technology

The invention relates to the technical field of metal working fluids, in particular to a degradable environment-friendly vegetable oil-based semi-synthetic cutting fluid and a preparation method thereof. The cutting fluid comprises 20-30 parts of vegetable lubricating oil, 10-20 parts of an alkali storage agent, 2-5 parts of a corrosion inhibitor, 3-5 parts of a coupling agent, 5-8 parts of a surfactant and 6-11 parts of a composite anti-rust agent, the composite anti-rust agent comprises an anti-rust agent A and an anti-rust agent B, the anti-rust agent A comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide, and the anti-rust agent B comprises N-[3-(dimethylamino) propyl]-N, N-dimethylformamide. The antirust agent A comprises at least one of N, N ', N'-trimethyl-1, 3-propanediamine, benzotriazole, sebacic acid and 2, 4, 6-tri (aminocaproic acid)-1, 3, 5-triazine, and the antirust agent B comprises at least one of an imidazoline compound and fatty acid sarcosine ester. The cutting fluid provided by the invention has excellent corrosion resistance, rust resistance, defoaming property, biodegradability and storage stability, and has a good application prospect.

The utility model is suitable for the technical field of metal working fluid treatment, and provides a metal working fluid recycling device which comprises a treatment box, the separation hopper is fixedly mounted in the treatment box; the upper treatment cavity is formed in the treatment box; the upper treatment cavity is positioned above the separation hopper; the lower treatment cavity is formed in the treatment box; the lower treatment cavity is positioned below the separation hopper; the first filter screens are arranged in the upper treatment cavity and are used for filtering large impurities in the metal working fluid; and the plurality of second filter screens are assembled in the upper treatment cavity and are used for filtering fine impurities in the metal working fluid. According to the metal working fluid recycling device provided by the scheme, the metal working fluid can be treated, so that the metal working fluid can be well recycled, and the waste of resources is reduced.

The utility model discloses an efficient metal working fluid cooling device, which belongs to the technical field of metal working and comprises a cooling fluid tank. The spraying assembly comprises a sliding ring and a spraying column, the sliding ring is movably arranged on the spraying column in a sleeving mode, and the spraying column communicates with the cooling liquid box; the adjusting assembly comprises a belt moving disc, a telescopic rod and a moving rod; according to the utility model, the belt moving disc, the telescopic rod and the moving rod are arranged, so that a worker horizontally moves the moving rod towards the direction close to or far away from a cutter and a workpiece in the metal processing process; at the moment, the belt moving disc drives the telescopic rod to move and be compressed; when the telescopic rod is compressed to the maximum extent, the telescopic rod begins to be stretched; the sliding ring slides in the axial direction of the spraying column. And gradually, the intervals between the multiple sliding rings are increased or decreased, the multiple spraying columns are dispersed or concentrated, then the machining liquid is sprayed to the tool and the workpiece in a dispersed or concentrated mode through the spraying columns, operation is easy, the spraying columns do not need to be adjusted after equipment is shut down, and the operation efficiency is improved.

The invention discloses a detection device with an impurity filtering function for metal working fluid production, and relates to the technical field of metal working fluid detection.The detection device comprises a shell, a temperature adjusting device, a test device and a filter screen, a temperature adjusting cavity and a detection cavity are formed in the shell, the temperature adjusting device is arranged in the temperature adjusting cavity, the test device is connected with the detection cavity, and the filter screen is arranged in the detection cavity. The temperature adjusting cavity and the detection cavity are sequentially arranged in the conveying direction of the metal working fluid, and the filter screen is connected with the temperature adjusting device. The shell serves as a main installation foundation, in the production and machining process of the metal working fluid, the produced metal working fluid is guided into the temperature adjusting cavity, automatic temperature adjusting is conducted firstly, the situation that the detection precision of the lubricity is influenced by temperature fluctuation is prevented, after automatic temperature adjusting, the metal working fluid is fed into the detection cavity, the lubricity of the metal working fluid is automatically detected through the testing device, and the detection precision of the lubricity is improved. And the filter screen is fixed through the temperature adjusting device, so that impurities in the metal working fluid are automatically filtered, and the impurities are prevented from entering the detection cavity to influence the detection precision of the lubricity.

The invention discloses server base integrated machining equipment for die casting production, and relates to the technical field of base machining, the server base integrated machining equipment comprises a workbench and a movable sliding block, a sliding rail is arranged at the top end of the outer wall of the workbench, the movable sliding block is arranged on the sliding rail, and a nozzle at the top end of the movable sliding block sprays metal working fluid to a base to be machined; the base to be processed is arranged on a polyurethane buffer plate, a rubber buffer plate is arranged below the polyurethane buffer plate, a filter frame is arranged between the polyurethane buffer plate and the rubber buffer plate, the rubber buffer plate is fixed on a workbench, and the workbench is connected with a waste liquid box through a funnel arranged at the bottom end. According to the device, the workbench, the sliding rails, the movable sliding blocks, the sliding wheels, the storage box, the spray heads and a polyurethane buffer plate are installed, lubricating, cooling and cleaning of a server base before machining, during machining and after machining are achieved through movable spraying, manual intervention is greatly reduced, and the production efficiency and the process consistency are improved.

Provided are: a metalworking oil agent having improved dispersibility in water; and the like. The water-soluble metalworking oil contains a fatty acid having 8-10 carbon atoms, a fatty acid having 18 or more carbon atoms, a base component, water, and a base oil.

The utility model discloses metal working fluid recycling equipment which comprises a recycling box and a filtering mechanism installed in the recycling box, a filtering net is fixedly arranged on the inner wall of a supporting frame, a collecting box is arranged on the inner wall of an installation groove in a penetrating and inserting mode, limiting sliding grooves are formed in the upper ends of the two sides of the inner wall of a flowing groove, and scraping plates are arranged on the inner walls of the two limiting sliding grooves in a sliding mode. Electric telescopic rods are fixedly arranged on one sides of the inner walls of the two limiting sliding grooves correspondingly, and connecting rods are rotationally arranged at the two ends of one side of the inner wall of the flowing groove correspondingly. According to the metal working fluid filtering device, metal working fluid is filtered through the filtering mechanism, after filtering is conducted for a period of time, a hydraulic rod is started to be matched with a connecting rod to lift a supporting frame in the period of injecting new working fluid, an electric telescopic rod pushes a scraping plate to push impurities on a filter screen into a collecting box, and then simple cleaning can be conducted, and the situation that filtering cannot be conducted due to later blocking is prevented; and meanwhile, manual cleaning of workers is not needed, the operation burden of the workers is reduced, and meanwhile the recycling efficiency is improved.

The invention discloses a botanical fungicide for metal working fluid, which is prepared from the following raw materials in parts by weight: malus hupehensis extract, wolf thorn extract and melia azedarach extract according to the mass ratio of 1: (2-4): (2-4). The bactericide is natural in raw materials, can effectively inhibit bacteria, fungi and anaerobic bacteria, has a broad-spectrum bactericidal effect, is good in stability, can effectively avoid the problem of spoilage of the metal working fluid, is good in compatibility with the metal working fluid, is not liable to generate a precipitation reaction with other additives in the working fluid, is not liable to generate drug resistance, and is safe and reliable. The skin irritation risk when workers make contact with the disinfectant can be remarkably reduced, the disinfectant has good biodegradability, is easily decomposed by microorganisms in the natural environment, does not leave lasting chemical residues like traditional bactericides, and is beneficial to achieving the zero emission target.

The utility model discloses a high-pressure jet vacuum valve which comprises a valve body and an afflux pipe, the valve body is provided with a liquid inlet section, a communication chamber, a jet section and a liquid outlet section which are communicated in sequence, liquid is input from the liquid inlet section and enters a liquid inlet pipe, and due to the fact that the inner diameter of the liquid inlet pipe is reduced, the liquid is jetted out from the liquid inlet pipe at a high speed and enters the jet section. Local vacuum is formed in the communicating chamber, so that the liquid in the converging pipe is sucked under the action of negative pressure, and the mixed liquid is output from the liquid outlet section. The utility model further provides a metal working fluid circulating system, which utilizes the high-pressure jet vacuum valve, adopts the Bernoulli principle, conveys the metal working fluid to purification equipment, sucks away the metal working fluid at a cutter of the machining equipment, improves the circulating efficiency of the metal working fluid, and saves energy consumption at the same time. The utility model further provides a metal working fluid circulating system comprising the high-pressure jet vacuum valve.

The utility model belongs to the field of production devices, and particularly relates to a metal working fluid production device which comprises a kettle body, four supporting legs are welded to the lower end of the kettle body, a cover plate is connected to the upper end of the kettle body through screws, a motor is fixedly installed at the upper end of the cover plate, and a feeding hopper is fixedly installed at the upper end of the cover plate and located on the left side of the motor. The output end of the motor penetrates through the cover plate and is rotationally connected with the cover plate, a stirring mechanism is arranged at the output end, and an end cover is detachably mounted at the lower end of the kettle body. The motor drives the supporting shaft to rotate, so that the sliding barrel drives the square barrel to rotate, meanwhile, the air cylinder drives the sliding pin to move, the rotating disc drives the sliding barrel to move up and down, the square barrel moves and rotates up and down, working fluid is mixed and stirred, and mixing of the working fluid is more efficient and uniform.

The invention relates to the technical field of metal working fluids, in particular to a magnesium alloy cutting fluid and a preparation method thereof. The magnesium alloy cutting fluid is prepared from the following components in parts by mass: 6 to 10 parts of alcohol amine, 3 to 6 parts of organic phosphonic acid, 2 to 4 parts of ether carboxylic acid, 1 to 3 parts of waterborne polyether, 2 to 4 parts of phosphate, 1 to 3 parts of special amine, 0.5 to 2 parts of siloxane ketone, 0.5 to 2 parts of waterborne silicone oil, 0.5 to 2 parts of chelating agent, 1 to 3 parts of polyethylene polyamine, 0.1 to 0.5 part of waterborne graphene extreme pressure agent, 0 to 1.2 parts of auxiliary agent and 65 to 85 parts of water. By compounding various lubricants and extreme pressure agents such as alcohol amine, ether carboxylic acid, water-based polyether, phosphate, siloxane ketone, water-based silicone oil and a water-based graphene extreme pressure agent, an effective lubricating film is formed in the cutting process, friction is reduced, cutting force is reduced, formation of built-up edges is inhibited, and the service life of a cutter is prolonged.

Provided is a water-soluble metalworking oil agent which contains two or more amine compounds (A) having a volatilization rate of 20% or less as calculated by formula (i) when heated at 50 DEG C for 48 hours, and a fatty acid (B), and in which the content of an amine compound (X) not belonging to component (A) is less than 5.0 parts by mass relative to 100 parts by mass of component (A) in total. Formula (i): Volatilization rate (%) = ([mass of amine compound before heating]-[mass of amine compound after heating 48 hours]) / [mass of amine compound before heating] * 100.

The invention discloses a micro-emulsified metal cutting fluid, and relates to the technical field of lubricating compositions, the micro-emulsified metal cutting fluid comprises the following components by weight: 10-30 parts of base oil, 10-20 parts of a nonionic surfactant, 5-15 parts of a substance A, and 30-60 parts of water, the substance A has a cross-linked network structure, and the substance B has a cross-linked network structure. The substance A is obtained by carrying out cross-linking polymerization on amino boric acid ester and hydroxyl-containing unsaturated polyester resin. The amino boric acid ester and the hydroxyl-containing unsaturated polyester resin are subjected to cross-linking polymerization to obtain a substance A with a cross-linked three-dimensional network structure, and the substance A is added into the basic liquid, so that the boundary lubricating capacity of the metal cutting fluid can be improved when the metal cutting fluid is applied to aerospace high-temperature alloy processing.

The utility model discloses a water-soluble metal working fluid concentrated liquid supply, filtration and purification combined all-in-one machine which comprises a new liquid tank and a liquid return tank, an electric control box is fixed at the front end of the new liquid tank, a main control system, an automatic proportioning module and an automatic constant-pressure liquid supply device are installed in the electric control box, and a water outlet of the automatic proportioning module is communicated with a water inlet of the new liquid tank. A water outlet of the new liquid tank is communicated with a water inlet of an automatic constant-pressure liquid supply device, a water outlet of the automatic constant-pressure liquid supply device is communicated with a water inlet of the liquid return tank, the main control system comprises an ozone generator, the ozone generator is connected with a ceramic aeration generation device through an air pipe, and the ceramic aeration generation device is installed in the liquid return tank. A stirrer extending into the new liquid tank is mounted on the new liquid tank, a drum type paper tape filter and a steel belt type oil-water separator are mounted on the liquid return tank, and a precision filter device is mounted on the outer side of the liquid return tank and communicated with the drum type paper tape filter and the liquid return tank through pipes. The automatic proportioning machine can solve the problems of an automatic proportioning machine in the prior art.

The utility model relates to the field of metal working fluid cooling, in particular to a metal working fluid cooling device which comprises a cooling box, a box body is fixedly connected to the top of the cooling box, an adjusting assembly is fixedly installed on the left side of the box body, and a discharging pipe is fixedly connected to the bottom of one side of the cooling box. The air cylinder is opened, the air cylinder pushes the connecting plate to move left and right, the connecting plate drives the toothed plate to move left and right, the toothed plate drives the gear to rotate, the gear drives the air guide plate to rotate, the air inlet pipe is fixedly connected to the top of the other side of the cooling box, the air inlets are formed in the tops of the two sides of the box body, and the air outlet is formed in the bottom of the box body. The air direction adjusting effect can be achieved, air can be blown to different positions in the cooling box, the cooling effect of metal working fluid is effectively improved, the requirements of users are met, and the problems that an existing cooling device does not have the air direction control function and can only conduct air blowing cooling in the fixed direction are solved.

The invention relates to the technical field of chemical equipment, in particular to a mixing device for metal working fluid production, which comprises a mixing barrel, a stirring mechanism and a driving source, the stirring mechanism is arranged in the mixing barrel, the stirring mechanism comprises a stirring shaft, a first stirring assembly and a second stirring assembly, and the driving source is in transmission connection with the stirring shaft. The first stirring assembly and the second stirring assembly are arranged on the stirring shaft at an interval and are arranged in a staggered manner. The invention aims to improve the mixing efficiency and reduce the influence of foam on metal working fluid by improving a stirring structure.

Provided is a water-soluble metalworking oil agent containing a base oil (A) containing an oil-soluble polyalkylene glycol (A1), wherein the total content of the water-soluble polyalkylene glycol and the methoxypolyethylene glycol is less than 60% by mass based on the total amount excluding water.

The utility model relates to the technical field of molten metal, and discloses a metal working fluid batching device which comprises a fixing frame, a mixing tank fixedly installed on the fixing frame, a fixing plate fixedly installed at the top end of the fixing frame, a plurality of raw material tanks fixedly installed on the fixing plate and a mechanism used for stirring working fluid raw materials. The mechanism for stirring the working fluid raw materials is used for preventing the layering phenomenon of the working fluid raw materials in the raw material tank, is located in the raw material tank and comprises a first motor, a rotating shaft, a driving gear, a driven gear, a rotating disc, a fixing ring, a first stirring rod and stirring blades. Through rotation and revolution of the first stirring rod and the stirring blades, metal working fluid raw materials are effectively turned over and mixed up and down, the continuous stirring action can break the concentration gradient possibly existing in the raw materials, it is ensured that all components in the metal working fluid are evenly distributed, and therefore the layering phenomenon is effectively prevented.

The invention relates to metalworking process wherein a metalworking tool processes a workpiece at a processing area of a metalworking machine; a fully synthetic metalworking fluid is supplied to at least one of the metalworking machine, the metalworking tool and the workpiece; the fully synthetic metalworking fluid takes up tramp oil, thus forming a used, tramp oil containing fully synthetic metalworking fluid; the used, tramp oil containing fully synthetic metalworking fluid is collected in a container; one or more quaternary ammonium salts of formula [N+(R1)(R2)(R3)(R4)]n Xn-, wherein residues R1, R2, R3 and R4 are selected from araliphatic and aliphatic hydrocarbon residues, with the proviso that two of residues R1, R2, R3 and R4 are hydrocarbon groups with 1 to 4 carbon atoms and the other two of these residues are hydrocarbon residues with 6 to 20 carbon atoms, Xn- being an n-valent anion, and n being 1, 2 or 3, are added to the used metalworking fluid, thus breaking the emulsion of emulsified tramp oil forming free tramp oil; the free tramp oil accumulates at an air-metalworking fluid interface and is removed thereof. Moreover, the invention relates to a method of removing emulsified tramp oil from its emulsion in a fully synthetic metalworking fluid; and the use of the specific quaternary ammonium salts in such removal step to remove emulsified tramp oil from the fully synthetic metalworking fluid. Furthermore, the invention relates to a fully synthetic metalworking fluid containing said quaternary ammonium salt.

The invention relates to the technical field of metal working fluids, in particular to a polyether amide lubricant, a synthesis method and application of the polyether amide lubricant in the metal working fluids, the synthesis method of the polyether amide lubricant comprises the following steps: carrying out dehydration condensation reaction on dimer acid and polyether amine under the action of a catalyst to obtain a product 1; adding diethylenetriamine into the product 1 for reaction to obtain a product 2; dehydrating the product 2, adding ethylene oxide, and carrying out an alkoxylation reaction to obtain a product 3; and dehydrating the product 3, and carrying out an alkoxylation reaction on the dehydrated product 3 and epoxypropane under the action of a catalyst to obtain the polyether amide lubricant. The prepared polyether amide lubricant is added into a metal working fluid, and the prepared metal working fluid has good lubricity, hydrolysis resistance, defoaming performance, hard water resistance and anti-rust performance.

The invention provides metal working fluid filtering equipment and a filtering process, and relates to the technical field of filtering equipment.The metal working fluid filtering equipment comprises a shell and a vibrating device, a cylindrical filter screen with the axis in a vertical state is arranged in the shell, a first cavity is formed in the cylindrical filter screen, a second cavity is formed between the cylindrical filter screen and the shell, and the vibrating device is arranged in the shell; a collecting cavity located below the cylindrical filter screen is formed in the shell. Metal working fluid containing impurities enters the first cavity in the cylindrical filter screen from the liquid inlet, penetrates through the cylindrical filter screen to flow to the second cavity under the action of liquid pressure and is discharged from the liquid outlet, and impurities such as waste chips in the metal working fluid are located in the first cavity after being filtered by the cylindrical filter screen and enter the collecting cavity to be collected under the action of gravity. Meanwhile, the barrel-shaped filter screen is vibrated by the vibration device, so that impurities attached to the barrel-shaped filter screen are vibrated to fall off, the probability of blockage is reduced, and the influence on the filtering effect and equipment operation is avoided.

The invention provides an emulsion lubricant as well as a preparation method and application thereof, and relates to the technical field of emulsion lubricants. The preparation raw materials of the emulsion lubricant provided by the invention comprise an oil phase and a water phase, the water phase comprises triethanolamine borate and water, and the oil phase is sulfurized isobutylene; the mass fraction of the triethanolamine borate in the water phase is 10-40%, and the volume ratio of the oil phase to the water phase is (10: 1)-(1: 1). According to the invention, sulfurized isobutylene is used as an oil phase, triethanolamine borate is used as a surfactant, water is used as a continuous phase, and the ratio of the components is controlled to form a stable emulsion lubricant. The emulsion lubricant is good in stability, not only shows excellent lubricating performance, anti-attrition and wear-resistant performance and biocompatibility, but also has extremely low lung toxicity of aerosol to a natural lung surfactant, can be used as a metal working fluid for metal cutting, forming and other processes, can be used as a drilling fluid for oil field drilling and exploitation operation, and has wide application prospects. As a lubricant, the lubricant is used for lubrication and maintenance of mechanical equipment.

Metal working fluid decontamination apparatus (10) includes: an intake arrangement (40) for metal working fluid (42); a pump (16) for providing, in use, flow pressure to the metal working fluid (42); a decontaminator (50) for reducing contamination in the metal working fluid (42); and an outlet arrangement (34) for the metal working fluid. The metal working fluid (42) is a fully synthetic metal working fluid, which comprises water and a water soluble synthetic concentrate which does not comprise oil.

The invention belongs to the technical field of metal working fluids, and particularly relates to a degradable micro-emulsified water-based cutting fluid special for heavy-load copper alloy as well as a preparation method and application of the degradable micro-emulsified water-based cutting fluid. The special degradable micro-emulsified water-based cutting fluid for the heavy-load copper alloy is prepared from the following raw materials in parts by mass: 4.0-8.0 parts of a metal antirust agent; 10.0 to 18.0 parts of a special amine; 5.0 to 10.0 parts of synthetic ester; 0.5 to 1.0 part of an extreme pressure agent; 5.0 to 10.0 parts of a lubricant; 0.5 to 1.0 part of a corrosion inhibitor; 1.0 to 2.0 parts of a dispersant; 0.5 to 2.5 parts of a bactericide; 2.0 to 6.0 parts of a stabilizer; 5.0 to 10.0 parts of an emulsifier; 0.4 to 1.0 part of a hard water resistant agent; and 45-50 parts of water. The environment-friendly degradable vegetable oil and synthetic ester are selected as main lubricants, and the phosphate ammonium salt is used as an anti-wear reagent at extreme pressure, so that the problems that the copper alloy metal working fluid prepared by the prior art is poor in lubricating property, short in service life, large in harm and easy to green and corrode are solved.

The invention belongs to the technical field of metal working fluids, and discloses a water-based cutting fluid as well as a preparation method and application thereof. The water-based cutting fluid comprises the following components in parts by weight: 30-45 parts of Guerbet alcohol, 5-12 parts of an antioxidant, 0.2-1 part of a corrosion inhibitor, 3-8 parts of an anti-wear extreme pressure agent, 30-60 parts of base oil, 2-4 parts of a surfactant and 0.1-1 part of a defoaming agent. The total number of carbon atoms of the Guerbet alcohol is 12 to 14; the antioxidant comprises pentaerythritol tetra [beta-(3, 5-di-tert-butyl-4-hydroxyphenyl) propionate] and beta-naphthol according to a mass ratio of (10 to 35): 1. The water-based cutting fluid disclosed by the invention has excellent lubricating performance, rust resistance, corrosion resistance, low temperature resistance and defoaming performance, can be applied to the cutting process of various metal materials such as steel, cast iron, aluminum alloy and copper alloy, effectively reduces the cutting temperature, reduces thermal deformation and residual stress, and improves the machining precision and the surface quality.

The invention relates to compositions containing an anionic phosphoric ester, a non-ionic surfactant and additives, intended for applications requiring good wetting, low-foaming, anti-seize, anti-corrosion properties, among others in cleaning agents, rinse-aid agents, metalworking fluids, lubricants, anti-seize and flame-retardant HFC hydraulic fluids.

The utility model relates to a friction pair accessory for testing the lubrication performance of water-based metal working fluid, which comprises a groove test disc, a test ball and a tin foil paper tray, the friction pair accessory is arranged in an SRV test cavity, the SRV test cavity comprises a base, a test disc placing platform, a groove test disc clamp, a loading rod and a reciprocating vibration driving rod, the groove test disc clamp is mounted on the base, the groove test disc is placed on the tin foil tray, the tin foil tray is placed on the test disc placement platform, the groove test disc is mounted on the test disc clamp, the test ball is in contact with the circle center of the groove test disc, and a groove is formed in the circle center of the groove test disc. The utility model belongs to the technical field of water-based metal working fluid lubricating performance testing, and can overcome the defect that a stable water-based test lubricating layer cannot be formed in the prior art by using the friction pair accessory, effectively prevent the water-based metal working fluid from overflowing, improve the test precision and reduce the test error.

The present technology relates generally to metalworking fluid compositions including a compound of Formula (I) where R1, R2, R3, and R4 are each independently H or Ci-Ce unsubstituted alkyl; provided at least one of R1, R2, R3, and R4 is not H; and provided that the compound has 4, 5, 6, 7, 8, 9, or 10 carbon atoms. For example, including a compound of Formula I in a metalworking fluid having a pH of at least about 7 may enhance the metalworking fluid's lubricating, cleaning, and / or handling properties by providing multi-metal corrosion inhibition, maintaining pH control, and / or stabilizing the metalworking fluid. When including a biocide, it may act synergistically with the biocide to inhibit microbial growth and disrupt existing biofilms, resulting in extended metalworking fluid life, reduced equipment wear, consistent part quality, and lower environmental load from fluid disposal.

To provide a metal-working fluid which is environmentally friendly and is effective to reduce friction caused by removing material from a surface of a work piece and dissipate heat generated by frictional contact between a tool and the work piece.SOLUTION: The disclosure relates to a biobased metal-working fluid (MWF) composition and a method for producing the same, and more particularly a metal-working fluid with biobased lubricants with improved emulsion stability. At least 50 wt.% of base oil components in an MWF concentrate is a plant-derived liquid decarboxylated rosin acid oil ("DCR"). The DCR comprises 50 to 100 wt.% of tricyclic compounds having: 18-20 carbon atoms; one or more C=C groups; an m / z (mass / charge) value of 220-280 as measured by GC-FID-MS; an oxygen content of less than 5%; and an acid value of less than 50 mg KOH / g as measured using ASTM E28-18. The resulting MWF is characterized as having comparable or good performance compared to an MWF containing only mineral oil (e.g., Group I or Group II).SELECTED DRAWING: None