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Company visit: Mimecrisa
the non-destructive testing of MIM parts. Magnetic Particle Inspection and Liquid Penetrant Testing, as well as visual inspection, are applied to detect surface cracks or defects in sintered parts, while internal defects in green parts are detected with X-ray radiographic equipment, which is also capable of computer tomography. The laboratory also features a 3D measuring table and a laser scanner for the exact measurement of tool dimensions and complex components.
Products and markets Traditionally, Ecrimesa and Mimecrisa have held a strong position in the market for firearms for law enforcement and the military, and today a significant proportion of European police officers carry a pistol with MIM parts made by Mimecrisa. Firearms and defence accounted for 31% of Mimecrisa’s sales in 2018 (Fig. 8). In addition, Mimecrisa is present in a wide variety of other market segments for structural parts, with major applications for its products found in locks, tools, textile machines and sensor housings. Mimecrisa’s customer base is primarily based in Germany, Spain, France and Italy. Between sixty and a hundred new parts are implemented each year, and this number is growing. As previously mentioned, Ecrimesa pursues a philosophy of providing a full service to its customers, including where necessary the assembly of several components. Mimecrisa also keeps an open mind as far as production volumes are concerned. There is no fixed minimum production volume, with the decision for a specific manufacturing route taken solely on technical and economic considerations. Although the range of materials offered by Mimecrisa is wide, a relatively large portion of its production is made from low-alloy steels such as FN08, 4605 and 42CrMo4,
Vol. 13 No. 4 © 2019 Inovar Communications Ltd
Fig. 6 Sinter boxes with sintered parts leaving a continuous furnace
Fig. 7 MIM parts mounted on custom ceramic setters
Fig. 8 This firearms component is at the largest end of MIM’s size range
December 2019 Powder Injection Moulding International
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