CCCCc oeffic ient of frictioncoefficient of frictioncoefficient of frictioncoefficient of fr ictionCC0,220,200,180,160,140,120,100,080,060,040,020,000,160,150,140,130,120,110,100,090,080,070,060,050,040,030,020,010,000,280,260,240,220,200,180,160,140,120,100,080,060,040,020,000,160,150,140,130,120,110,100,090,080,070,060,050,040,030,020,010,0014.11. Coefficients of friction of ZEDEX-5500,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0s urfac e pressure [N/mm 2]0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0Wear: surface 0,045 pressure mm/100 [N/m m 2 ] kmWear: 0,045 mm/100 km0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0surface pressure [N/mm 2]0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0surface pressure [N/mm 2]µ H (25°C,dry)µ G (25°C,dry )µ H (50°C,dry)µ G (50°C,dry )µ H (75°C,dry)µ G (75°C,dry )µ H (100°C,dry)µ G (100°C,dry)Ill.73Coefficient of friction ofZX-550 measured assuppliedIll.74Coefficient of friction ofZX-550 in dry runsmeasured after feedIll.75Coefficient of friction ofZX-550 with waterlubrication measured afterfeedIll.76Coefficient of friction ofZX-550 with oil lubricationmeasured after feed<strong>Wolf</strong> <strong>Kunststoff</strong>-<strong>Gleitlager</strong> <strong>GmbH</strong> • Heisenbergstr. 63 - 65 • 50169 Kerpen-Türnich • Tel. 02237/9749-0 • Fax. 02237/9749-20counterbody:counterbody:materi al: X 5CrNi189surface roughness : 4µm Rzsli ding s urf ac e hard c hromed,coating t hi ck nes s: 30 µmintermedium:airsurroundi ng m edium:airst res s:µ H (25°C,dry)µ G (25°C,dry )µ H (25°C,wet)µ G (25°C,wet)materi al : X 5CrNi189surface roughness: 4µm Rzsliding surf ace hard chrom ed,coating t hi ckness: 30 µminterm edium:ai r, wat ersurroundi ng medium:ai rst ress:sliding speed: 10, 3 m/m insli ding s peed: 10, 3 m/mi ncounterbody:counterbody:µ H (25°C,oil)µ G (25°C,oil)µ H (50°C,oil)µ G (50°C,oil)µ H (75°C,oil)µ G (75°C,oil)µ H (100°C,oil)µ G (100°C,oil)mat erial: X5CrNi189surf ace roughness: 4µm Rzsliding surface hard chromed,coat ing thickness: 30 µmint ermedium:oilsurrounding medium:airstress:µ H (25°C,wet)µ G (25°C,wet)µ H (50°C,wet)µ G (50°C,wet)µ H (75°C,wet)µ G (75°C,wet)materi al: X 5CrNi189surface roughness: 4µm Rzsliding surf ace hard chrom ed,coating t hi ckness: 30 µmint erm edium:watersurroundi ng medium:airstress:sliding speed: 10, 3 m/m insliding speed: 10,3 m/ minIndex TribologyContents PrefaceMaterialoverviewDesignguidelinesMathematicalexampleConditions ofinstallation<strong>Slide</strong> <strong>bearings</strong>(cylindrical)<strong>Slide</strong> <strong>bearings</strong>(with collar)62
CCcoefficient of frictionCCcoefficient of fric tion0,180,170,160,150,140,130,120,110,100,090,080,070,060,050,040,030,020,010,00CC0,180,170,160,150,140,130,120,110,100,090,080,070,060,050,040,030,020,010,0014.12. Coefficients of friction of ZEDEX-720Wear: 0,295 mm/100 km0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,0surface pressure [N/mm 2]0,0 0,5 1,0 1,5 2,0 2,5 3,0 3,5 4,0 4,5 5,02surface pr essure [N/mm ]count erbody:µ H (25°C,dry)µ G (25°C,dry)µ H (25°C,wet)µ G (25°C,wet)m at erial: X5CrNi189surf ace roughness: 4µm Rzsliding surface hard chromed,coat ing thickness: 30 µmi nt ermedium:air, wat ersurrounding medium:airstress:sliding speed: 10,3 m/mincount erbody:µ H (25°C, dry)µ G (25°C, dry)µ H (25°C,wet)µ G (25°C, wet)µ H (25°C, oil)µ G (25°C, oil)m at erial: X5CrNi189surf ace roughness: 4µm Rzsliding surface hard chromed,coat ing thickness: 30 µmint ermedium:air, wat er, oilsurrounding medium:airstress:sliding speed: 10,3 m/minIll.77Coefficient of friction ofZX-720 measured assuppliedIll.78Coefficient of friction ofZX-720 measured afterfeedIndex TribologyContents PrefaceMaterialoverviewDesignguidelinesMathematicalexampleConditions ofinstallation<strong>Slide</strong> <strong>bearings</strong>(cylindrical)<strong>Slide</strong> <strong>bearings</strong>(with collar)63<strong>Wolf</strong> <strong>Kunststoff</strong>-<strong>Gleitlager</strong> <strong>GmbH</strong> • Heisenbergstr. 63 - 65 • 50169 Kerpen-Türnich • Tel. 02237/9749-0 • Fax. 02237/9749-20