Nissan licenses NMRP spray-coated cylinder bore technology to HELLER; production of efficient engines
Green Car Congress
SEPTEMBER 15, 2017
has licensed its Nissan Machining Roughening Process (NMRP), a proprietary technology used in making automotive engines, to German machine tool manufacturer Gebr. Also known as “mirror bore coating” for its mirror-like finish, iron spray coating helps manufacturers reduce engine weight through the elimination of the cast iron liners.
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