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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
ISSN Online 2668-8212
ISSN Print: 1582-9049
ISSN-L: 1582-9049

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Revista de Chimie (Rev. Chim.), Year 2015, Volume 66, Issue 5,





Liana Bogatu, Raluca Dragomir
Suitable Compositions for Efficient Deep Stamping Lubricants


Abstract:

The aim of the present study is to emphasize the influence of chemical composition of deep stamping lubricants on their efficiency, in specific application of automotive industry. In this respect, two different types of lubricants were realized and tested: a usual lubricant, paste type, based on sodium soap chemical formula and a new composition, oil type, based o complex formulation of sulphur, calcium sulfonate and polymethacrilate additives and suitable base oils. The evaluation of these lubricants was realized by typical laboratory tests, but also by specific procedure of automotive equipment manufacturers, on factory stands. The experimental results proved that the combination of the additives, studied for the new type of deep stamping lubricants, significantly enhance their performance and implicitly extend the range of applications, making possible the stamping of the steel - sheets characterised by 3.5-4mm thickness, instead of 1,2-1,5mm thickness specific for sodium soap paste lubricant. Keywords: deep stamping, lubricant, extreme pressure additive

Issue: 2015, Volume 66, Issue 5
Pages:
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