Improved use of metal-plating conditioner in combined machining

Comparison of Analytical and Experimental Force in Cylindrical Workpiece Drawing Process

“…For the first experimental base, for testing the theoretical model of the drawing force (1), the process of drawing solid cylindrical billets made of steel 45 (174-187 HB) through a deforming drawplate made of steel 9XC (58-61 HRC) is considered [10]. In this process, the tool used is similar to that of the works [8,9,13,14]; their working surface is strengthened by the creation of a regular micro-relief in the form of single-turn threaded channels with a radius of 1.5 mm, a pitch of 0.5 mm, and an initial depth in the calibration-strip section of 10µm. [10,13].…”

“…The drawing speed is 1 m/min. The lubricant employed is I-40 mineral oil with an admixture of oil-soluble "Valen" metal-coating additive at 50 vol %, realizing the fundamental scientific principle "Garkunov-Kragelsky effect, friction without wear (selective transfer)" [4,9,10,13,14,25]. Figure 3 presents the schematic view of the experimental setup: a thin-walled cylinder 1 with a cavity 2 for lubricant.…”

“…Applied to solid cylindrical profiles, the current methods of processing are systemically and intensively improved through the use of selforganizing tribotechnologies, which include regularizing microgeometry and surface modification of a drawing tool and workpiece, as well as various methods of influence by metal-clad lubricants that allow realizing the fundamental scientific principle "Garkunov-Kragelsky effect, friction without wear" [4][5][6][7][8][9][10][11][12][13][14][15]. This machining method allows to reduce the drawing force by 25-75%, and to increase quality and productivity up to two times.…”

“…This machining method allows to reduce the drawing force by 25-75%, and to increase quality and productivity up to two times. It also allows forming a protective film ("servo-Witte") which contributes to a significant reduction in the cost of drawing tools [9][10][11][12][13][14][15].…”