JDB-1 Base material: CuZn24AL6 Base Hardness: HB230-270 Friction coef(u): 0.16 Temperature limit : 300 Dynamic load limit: 100N/mm 2 Load limit under lm/min: 25N/mm 2 Speed limit (Dry): 0.4m/s Speed limit (Oil): 5m/s PV limit:3.8N/mm 2. m/sJDB-2Base material:CuSn6Zn6Pb3 Base Hardness: HB80-100 Friction coefficient: 0.15 Temperature limit : 350 Dynamic load limit: 60N/mm 2 lLoad limit under lm/min: 15N/mm 2 Speed limit: 2m/s PV limit: 0.5N/mm 2. m/sJDB-3Base material: CuSn6Zn6Pb3 Base Hardness: HB60-90 Friction coefficient: 0.14 Temperature limit : 300 Dynamic load limit: 70N/mm 2 Load limit under lm/min: 20N/mm 2 Speed limit: 2m/s PV limit: 0.6N/mm 2. m/sJDB-4 Base material: HT-250 Base Hardness: HB180-230 Friction coefficient: 0.18 Temperature limit : 400 Dynamic load limit: 60N/mm 2 lLoad limit under lm/min: 15N/mm 2 Speed limit: 0.5m/s PV limit: 0.8N/mm 2. m/s
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