Mineral Casting RHENOCAST - Electromate Industrial Sales Limited

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Mineral casting RHENOCAST ® , a product of the SCHNEEBERGER-GroupFor many years, the nameSCHNEEBERGER has been synonymouswith modern linearguide technology used in a varietyof industrial equipment andmachines construction.With over 50 years experiencein the design and manufacture ofLinear Technology Products, theSCHNEEBERGER-Group hasconsistently introduced manyinnovative products and systemsolutions in the market.Our global presence with strongsales and support organisationsguarantees closeness to thecustomer in all major industrialeconomies. Comprehensive logisticscapabilities and localsupport, assures a close partnershipstarting at the projectplanning phase.Schaffhausen, SwitzerlandProduction facilityProduct line mineralcasting RHENOCAST ®Roggwil, SwitzerlandMain company domicileand production facility> Technology Know-howRHENOCAST ® has been manufacturing high quality mineralcastings since 1987. Since then, RHENOCAST ® hasproduced many innovative product solutions for a varietyof industries and applications related to machine building.Mineral castings replace metallic castings used for machinebases and other structural components. TodayRHENOCAST ® is a trade mark for pioneering mineralcasting technology, which – thanks to the outstandingproduct characteristics and benefits – is gaining more andmore global acceptance.Our extensive experience with mineral casting, and itsmany and diverse application possibilities, make us apowerful partner for machine and plant builders. Our customerand application support starts at the concept phase;thanks to FEM (Finite Element Analysis) we are able to simulatethe effects of dynamic and static loads without theneed of building a prototype. In addition, we can verify therequired characteristics of the cast component parts andthe overall thermal behavior.Thermal vertical deformationto 1/100 mm0.2170.1920.1490.1070.0640.021-0.021-0.064-0.107-0.149-0.192ZYXManufacturing Know-howMineral castings RHENOCAST ® are manufactured in ourSchaffhausen, Switzerland facility. Our experiencedemployees manufacture mineral castings under rigorousquality procedures, from the beginning of the process tothe final assembly, which assures consistent product quality.Our controlled process guarantees that complexmachine structures are produced to the specified geometricaltolerances every time.> Comprehensive Engineering Know-how from a single sourceThe integration of the mineral casting RHENOCAST ® product line with theSCHNEEBERGER linear technology has further enabled the Group to offer itscustomers unique technological advantages:• 1• The incorporation of the mineral casting and linear technology offer greatdesign flexibility and innovative system solutions.• The combination of both technologies produces economic and technicalbenefits.• Our experienced engineers can design complete, customer-specific, productsolutions by utilizing their extensive knowledge in both the mineral casting andlinear technologies.• As the customer, you benefit from a more efficient and seamless process, fromthe original concept, through production and to the delivery of the final product.• 2
The advantages of mineral casting RHENOCAST ® • 4Shaping and StrengthThe mineral casting process provides an exceptionaldegree of freedom with respect to the shape of the components.The specific characteristics of the materialand of the process result in a comparatively highstrength in conjunction with a significantly lower weight.Economical Dimensional AccuracyIn many instances RHENOCAST ® components are castto the final dimensions because practically no contractiontakes place during hardening. With this, furtherexpensive finishing processes can be eliminated.Integration of InfrastructureThe mineral casting process enables the simple integrationof the structure and additional componentssuch as guide-ways, threaded inserts and connectionsfor services, during the actual casting process.No CorrosionRHENOCAST ® components are resistant against oils,coolants and otherThe Manufacturing of Complex Machine StructuresWhat would be inconceivable with conventional processesbecomes possible with mineral casting: Severalcomponent parts can be assembled to form complexstructures by means of bonded joints.Greater vibration damping for longer tool service livesIn vibration damping, RHENOCAST ® achieves up to 10x better valuesthan steel or cast iron. Thanks to these characteristics, an extremelyhigh dynamic stability of the machine structure is obtained. The benefitsthat this has for machine tool builders and users are clear: betterquality of surface finish of the machined or ground components andlonger tool life leading to lower tooling costs.Good thermal stabilityMineral casting reacts very slowly to temperature changes because thethermal conductivity is significantly lower than metallic materials. Forthis reason short- term temperature changes have significantly lessinfluence on the dimensional accuracy of the machine tool. A betterthermal stability of a machine bed means the overall geometry of themachine is better maintained and, as a result, geometrical errors areminimised.ConclusionMineral casting RHENOCAST ® is not only an alternative to conventionalcast-iron or steel constructions, but in many instances the superiortechnology.It also has a major economic benefit: RHENOCAST ® components areup to 30% cheaper.PrecisionHighly precise reference or supporting surfaces areachieved by further grinding, forming or milling operations.As a result of this, many machine concepts canbe implemented elegantly and efficiently.> Characteristic material values of mineral casting RHENOCAST ®Density2.30 – 2.45 kg/dm3Modulus of elasticity40 – 45 kN/mm2Tensile strength15 – 20 N/mm2Compressive strength100 – 120 N/mm2Bending-tensile strength28 – 30 N/mm2Coefficient of linear expansion 11.5 – 14x10-6 K-1Thermal conductivity1.5 – 2 W/mKSpecific heat capacityca. 1.2 kJ/kgKLog. decrement 0.03 – 0.10Linear contraction after casting approx. 0.3 ‰• 3
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Mineral Casting RHENOCAST - Electromate Industrial Sales Limited

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