Based on results obtained in the field, as well as tests performed in the laboratory, the formulation of. Request a sample andor safety data sheet sds please use this form to request product samples and safety data sheets sds for etna machining fluids. Machine coolants have been used extensively in metal cutting operations for the last 200 years. Characteristics of metalworking fluids the importance of. Methods for prevention of ignition during machining of magnesium.
The ethanol evaporates after it cools the cutting tool, so no residue is left behind on machined workpieces. These fluids are those used in grinding, cutting, boring, drilling, and turning metal. Magnesium machining is normally done without any coolant. Our products provide superior cooling, cleanliness and long emulsion stability. The available information on safety in handling magnesium. When taking fine cuts, use a mineral oil coolant to reduce heat buildup. Yag laser welding system was employed to clad single beads on machined 6. The metalworking or processing of magnesium and alloys of magnesium requires specific knowledge of the material properties and proper safety precautions. Developing a safer way to machine magnesium machining magnesium is risky business, as the chips and dust generated are flammable.
Magnesiumbased sheet metal processing in the precision parts. When machining magnesium dry, flank buildup due to adhesion between cutting tool and workpiece can occur at cutting speeds of vc 900 mmin and more for uncoated and tincoated cemented carbide. Coolants improve machinability, increase productivity and extend tool life by cooling and lubricating the part and cutting. Alphasyn t high performance, fully synthetic lubricants designed for use in central lubricating systems and gearboxes operating under harsh conditions, particularly at elevated temperatures. Brighton laboratories full product line of machining coolants were developed for the machining and grinding of all ferrous and nonferrous metals. Available in several different base, fovac coolants lubricates and cools dramatically better than. Safety and health topics metalworking fluids safety and. Pdf methods for prevention of ignition during machining. Magnesium metal 7439954 99 100% all concentrations are percent by weight unless ingredient is a gas. The machining industry is no stranger to the words coolant and swarf. Without the correct coolant, machines break down, and prior to that happening, product quality suffers.
Water reacts with magnesium to form hydrogen which is flammable and potentially explosive when mixed with air. Bioarmor technology means builtin resistance to bacterial growth without the use of bactericides. Though coolants can be used effectively to prevent ignition, the pollution of. But as with a lot of flows, it does have buildup in crevices on the way to the feeder and piles of magnesium do accumulate. At the same time, the special flushing properties of the coolants keep the machine rooms cleaner.
Show this safety data sheet to the doctor in attendance. It is also good in light stamping and roll forming operations. This cnc machining training course covers oilbased and chemicalbased cutting fluid, gases, and machine lubricants and oils, and focuses on the properties, purpose, application. This scale tends to form deposits on the hottest part of the engine, which reduces heat transfer and can induce corrosion. An expertly developed, customformulated metalworking fluid, manufactured by a specialty chemical company with. A research consortium has developed a novel way to extract. The following list of safety precautions and machining tips for machining magnesium are recommended in. Although the corrosion of pure magnesium in commercial coolants has been reported 9,31, in practice, an engine block cannot be made of pure magnesium, and the coolant cannot be pure ethylene glycol. Therefore, this paper will give a general introduction to the mechanical processing technology and safe operation procedures of magnesium alloy diecast parts for reference. Optimization of machining parameters for magnesium alloy. Additives react favorably during machining to provide additional lubricity in the cut. Some companies in japan use semidry machining via a misting system. Alphasyn t high performance, fully synthetic lubricants designed for use in central lubricating.
We do what many dont that is, safely make machined magnesium parts. The following list of safety precautions and machining tips for machining. If when necessary to use coolant, a light mineral oil will suffice. Raysol 4260p is used for light to medium severity machining on all metals except magnesium. Most machining of magnesium alloys is done dry,but cutting fluids sometimes are used for cooling the work. Magnesium is the third most commonly use structural metal after iron and aluminium and historically has been used in applications including german aircraft during world war 1. In machining of magnesium alloys, waterbase cutting fluids can be effectively used to eliminate the buildup formation and minimize the possibility of chip ignition. Other than that, the pollution of the environment and. All coolants, however, contain additives that enhance lubricity, inhibit rust and most bacteria growth, or reduce foaming. Never use water based coolant because of the risk of any reaction with the. Machining coolants are an important component of metal working operations.
Instead use a light mineral oil, or a watersoluble cutting fluid such as castrol hysol mg specially formulated for machining magnesium. In other words some machine coolants are sold with the claim that they. The information given is designed only as a guidance for safe. Manufacturing with a 3 axis milling machine creates parts and components, and it generates heat. Magnaloycouplingcompany technicalproductinformation couplings thepossibilityoffirewhenmachiningmagnesiumisalwaysarealconcern. We manufacture and custom blend other machining coolants that are not available online. Magnesium fire safety as im sure you all know magnesium fires can be pretty serious especially when shavings are involved. Among the most important are extreme pressure additives, commonly known as ep, and include chlorine, sulfur and phosphorus. These fluids are complex mixtures of oils, detergents, surfactants, biocides, lubricants, anticorrosive agents, and other potentially toxic ingredients. A class d ansul metal fire fire extinguisher should be in the immediate vicinity of the machining activity.
Aluminum machining coolants machining coolants dr lubricants machining coolants are formulated to perform a variety of general and specialty machining operations. Metallurgical considerations for machining magnesium alloys jstor. Machining of magnesium and magnesium alloys asm digital library. Corrosion of magnesium mg alloys in engine coolants. Safety and health topics metalworking fluids safety. Our skilled machinists have years of experience and an extensive. Fovac designed an entirely new way of thinking about lubricating and cooling metalworking operations. In other words some machine coolants are sold with the claim that they dissolve less machine coolant and they dissolve more machine coolant. In the beginning, machine coolants consisted of simple oils applied with brushes to lubricate the machine tool. Jul, 2004 in machining of magnesium alloys,cutting fluids provide far smaller reductions in friction than they provide in machining of other metals and thus are of little use in improving surface finish and tool life.
We are looking into an automatic fire detection and suppression system to install in the cnc machine. Machining, magnesium, hydrogen abstract in machining of. In the industrial sector, some oems require the use of silicated coolant, while others require silicatefree for heat transfer concerns. Therefore, a safe cutting speed can be estimated by cutting the color of the oxide. Familiarize yourself with each machines coolant gauge. In machining of magnesium alloys,cutting fluids provide far smaller reductions in friction than they provide in machining of other metals and thus are of little use in improving surface finish and. We are looking into an automatic fire detection and. Our skilled machinists have years of experience and an extensive knowledge of various machining strategies to produce your magnesium components. Our processes are designed for a broad range of substrates such as steel, iron, cast iron, copper, brass, aluminum, alloys and composites. High speed machining of magnesium and its alloys sciencedirect. For many years the machining of magnesium alloys has been carried out safely and efficiently without the need for coolants or cutting fluids. Our machine uses a lubricant for magnesium cutting and it washes some of the chips into a feeder that removes them from the machine. But some applications demand more than a goodquality coolant or lubricantsome processes and materials require specialty products. Magnesium machining practices and precautions magnaloy.
When operator health is a concern, there is no reason to compromise. It is suitable for all metals, but has been designed especially for use with aluminum. Characteristics of metalworking fluids the importance of ph. Using coolants binds the dust together perfectly, improving health and safety conditions and ensuring maximum acceptance of the process among process owners and machine operators. Alcoholbased coolant offers environmentally friendly machining this microvolume coolant delivery system uses ethanol as the cooling medium for nonferrous workpieces. Castrols versatile range of synthetic coolants satisfies machining requirements while reducing coolant use. A research consortium has developed a novel way to extract magnesium particles out of the machine by vacuuming them through a hollow tool and spindle during machining. Save time and money by filtering your machine coolant. So, ph and alkalinity work hand in hand to dictate some fluid characteristics.
Other than that, the pollution of the environment and reclamation of chips cannot be resolved quickly when using coolants during machining process. Semisynthetic coolants machining coolants texas coolants. Amatrols principles of coolants and oils elearning courseware mxpt202 introduces the fundamentals of the major types of coolants and oils used in manufacturing. We have products designed to give longlife when machining modern magnesium alloys, coolants with low cobalt leaching potential and therefore suitable for carbide and hard metal grinding.
Coolants in the composite machining process rhenus lub. Waterbase cutting fluids are cheaper and better coolants, and also. Although metal removal fluids is a more specific term, these fluids are most often referred to by the generic term metalworking fluids. Brighton labs coolants are formulated for a broad range of machining applications and materials including aluminum. Machining principles of coolants and oils elearning cnc.
Please give us a call, 440 5439845, or complete the form to contact us with any questions or requests regarding etnas line of machining coolants and industrial metal cutting oils. Competitive coolants use dcha and other additives, which are less expensive but of questionable safety. Never use water based coolant because of the risk of any reaction with the chips during storage. Based on results obtained in the field, as well as tests performed in the laboratory, the formulation of hangsterfers coolants has provided excellent results on magnesium machining. Over the years, semisynthetic machining and grinding coolants have compiled an inconsistent service record and earned a reputation for performing well, but just not well enough. How to avoid easy burning and explosion when cnc machining. Highspeed tools or carbide tipped tools are preferred for the machining of magnesium. Competitive coolants use dcha and other additives, which are less expensive but of. However, there is a limited choice for coolant when machining magnesium alloy, as it can react with water and other oilbased coolants too.
Specifications of aluminum machining coolants include 1. Jun 14, 2006 alcoholbased coolant offers environmentally friendly machining this microvolume coolant delivery system uses ethanol as the cooling medium for nonferrous workpieces. In her opinion some of the machine coolants sold as safety machine coolants are actually worse than non safety machine coolants. But the oil in the filters inside the trimist coolant. In her opinion some of the machine coolants sold as safety machine coolants are actually worse than nonsafety machine coolants. Magnesium is the lightest structural metal with a high strengthtoweight ratio. Where coolants are desired, only mineral oil based cutting fluids should be used. Our products provide superior cooling, cleanliness and. Thirdly, if coolants are necessary for high speed machining, do not use waterbased lubricants. Magnesium has very good machining abilities like sawing, punching, drilling, milling, turning. Developing a coolant maintenance program for machining.
The advanced machines used in metal cutting processes usually produce waste materials in the form of mists and chips. Alcoholbased coolant offers environmentally friendly machining. Magnesium is a material commonly used in the aerospace and automotive industries because it is the lightest structural metal. Machine coolant health and safety carbide processors. Occasionally, lard, animal fat or whale oil was added to improve the oils lubricity. A mineral oilbased, chlorinefree liquid tool, bc37mg is especially designed for magnesium machining with superb cutting performance and emulsion stability.
The main concern in machining magnesium alloy is the danger of fire ignition when dry cutting. Chemical reaction there is a chemical process called chelation. Metalworking fluidsmetal removal fluids are also called machining fluids, cutting fluids, and cutting oils. Similarly, some require phosphatefree to avoid hard water scale deposits. Pdf methods for prevention of ignition during machining of.
The information given is designed only as a guidance for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. Water base oilinwater emulsion coolants used with other metals, have. Where coolants are desired, only mineral oit cutting fluids should be used. The following list of safety precautions and machining tips for machining magnesium are recommended in conjunction with normal safety practices. Since 1968, specmaster has been an industry leader in machining a variety of complex parts from magnesium. Such as process and safety issues, this is because most of the domestic magnesium alloy cnc machining, diecasting enterprises contact magnesium alloy for the first time. Fire may occur when the melting point of the alloy 400600 degrees celsius is exceeded during machining. Ss 210al is a new generation semisynthetic coolant formulated for high performance machining without the use of chlorine containing materials. It is becoming much more common that cast and fabricated magnesium alloy parts will undergo cnc machining. It is suitable for all metals, but has been designed. Metalworking fluids are in widespread, high volume use for their coolant, lubricant, and corrosion resistant properties during machining operations. The small chips and fine dust generated during cutting are also highly flammable and pose a serious fire risk if not properly handled. In the beginning, machine coolants consisted of simple.
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