Bright steel

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To ensure efficient production, at SCHMOLZ + BICKENBACH both automated eddy current and ultrasonic testing have been integrated into the production line. Eddy current testing Ultrasonic testing Depending on the cross section and the The differential connection is invariably aligned During the production of steel, the sporadic This test is one of today’s most rigorous specified recording limit, either a procedure with the coil scan direction and the rotating occurrence of inner material flaws can generally methods used on bright steel bars from both using encircling coils or one employing rotating probe (i.e. in the longitudinal direction of not be avoided. To ensure paramount a technical and economic standpoint. It allows probes is applied to detect surface flaws. the material with the encircling coils and demands on the inner quality of the bright steel for readings below the maximum permissible circumferential direction with the rotating are met, we can perform ultrasonic testing values as set in the currently effective EN With round cross sections, the two methods probe). This results in a heightened sensitivity which is a non-destructive pulse-reflection standards. can either be combined or used singularly. to varying flaw types. The encircling coil for technique. Only encircling probes adjusted to the shape example shows a particular sensitivity to Typical applications which make extremely high in question can be utilized for non-round cross short longitudinal flaws, transverse-oriented Depending on the application, the ultrasonic demands on the inner quality of the bright steel sections. flaws and local flaws such as holes and testing method we use places us in a position are components used for common rail direct chipped spots. to check for inclusions up to a disc shaped fuel injection systems as well as motor and Differential coils are predominantly employed reflector of maximum 0.7 mm (also called flat- gear components designed for fatigue in eddy current surface testing to achieve the By contrast, the rotating probe is especially bottom hole). strength. necessary flaw resolution. sensitive to open longitudinal surface flaws such as seams, lap seams and stress cracks. Furthermore the inspection technique employed with round cross sections of the entire volume or the gross section allows for a detection field of up to 0.10 mm underneath the surface with readings starting from 5 mm lengths. 18 19
Quality from a single source. From computer-operated steel production to quality control techniques such as magnaflux testing or notched bar impact tests, SCHMOLZ + BICKENBACH offers worldwide customized steel solutions for every steel grade. Materials engineering Quality management Using SCHMOLZ + BICKENBACH materials We employ the following analytical methodology So as to ensure that even the highest demands project management and advance quality engineering, we can re-assure our clients of a and equipment: are met – such as those of the automotive planning very reliable platform for customized and highly carbon sulphur (C/S) analyzer industry – we have established a 'zero-fault statistical process control (SPC) qualitative steel and aluminium solutions. chemical analyses by means of emission goal’ where priority is given to error avoidance process analysis and machine capability Our technicians’ know-how guarantees that our spectrometry – both stationary and mobile in production. studies clients’ special requirements are fully understood, strength and toughness testing, applying To maintain the sustainability of our philosophy, measurement systems analysis (MSA) enabling us to place the very best steel at their tensile and notched-bar impact tests at high we continuously optimize our process flows failure mode and effects analysis (FMEA) disposal. and low temperatures and apply the following tools and methods: product, process and system audits Vickers, Brinell and Rockwell hardness benchmarking Our materials engineering department includes testing as well as microhardness testing 8D reports the latest testing equipment empowering us to magnetic property measurement including first article inspection (in compliance with carry out all the chemical, physical, mechanical hysteresis PPAP, VDA and IMDS) and technological tests necessary to determine microstructure analysis, purity determination the characteristic properties of the following: and grain size measurements by means of Furthermore SCHMOLZ + BICKENBACH is case-hardening, cold-heading and micro-sectional analysis certified under EN ISO 9001:2000 by free-cutting steels determination of inner material flaws using Germanischer Lloyd Certification and ISO TS general structural and quenched and ultrasonic testing 16949 by Swiss Certification. We also have tempered steels determination of outer material flaws by acquired the ‘Q1 Preferred Quality Award’ stainless, acid and heat-resistant steels means of magnaflux and eddy current testing from Ford. tool and high-speed steels roughness testing 20 21
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Bright steel

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