振动盘涂层的静摩擦力系数是多少？
2023-03-27振动盘涂层的静摩擦力系数一般是多少？ 会很大吗？
一般不大的，0.2-0.5之间吧 上海德炜船舶设备有限公司代理的德国Metaline公司的795系列PU涂层，静摩擦力系数仅为 0.2 ，硬度为邵氏95 ，具有非常好的耐磨性及弹性恢复性。并且Metaline 有美国FDA的认证，可以用于食品及医药设备的涂层。 德炜(中国)有限公司成立于2008年，我们致力于在中国及香港地区提供专业的聚氨酯PU涂层及内衬胶领域的服务, 吸取了德国Metaline公司近50年的喷涂技术和设备, 及采用Metaline高品质的聚氨酯PU胶, 得以使我们有实力为客户提供世界领先的PU涂层和内衬胶方面的服务，提升客户产品的品质，节省成本。 Metaline涂层的优势： 1. 超强的耐磨性 2. 良好的耐腐蚀性 3. 耐侵蚀特性 4. 优越的弹性恢复性 5. 出色的隔音防噪效果 6. 操作方便适合现场作业 7. 涂层厚度均匀 8. 多种颜色可供选择 9. 美国FDA（食品及医药管理署）组织认证。 我们可以为客户提供以下方面的PU涂层及内衬: 1.PU涂层及内衬厚度：0.3mm - 30mm； 2.各类抛光研磨机：50L、120L常规涡流机，80L、200L非常规及进口涡流机； 直口、弯口振动机；任何规格的滚桶机；任何规格的卧式振动机； 3.各种球磨、粉磨机：振动式、滚桶式；加油、加水或干用都可； 4.各种矿山输送渠道[可现场施工]； 5.各种旋流器； 6.各种浮选设备； 7.渣浆泵、沙泵等耐磨衬套； 8.电厂浆液循环泵叶轮防磨耐腐涂层； 9.振动盘PU涂层； 10.容器PU衬套； 11.螺杆传送器耐磨涂层； 12.分类器耐磨衬胶； 13.胶辊PU包胶； MetaLine 760 soft polyurethane spray-coating Application method spraying / casting Application equipment MetaLine Cartridge Gun Mixing ratio 2 : 1 by volume Processing temperature +40 °C to +60 °C Hardness (sprayed / casted) 60 / 65 Shore A A.S.T.M. D2240-68 Density 1.10 g/cm3 DIN 53 479 Tensile strength 20 N/ mm2 A.S.T.M. D412-68 Tensile modulus (at 100 % elongation) 6 N/ mm2 A.S.T.M. D412-68 Tear strength 68 N/mm DIN 53 515 Elongation at break 650% A.S.T.M. D412-68 Bashore resilience 63% DIN 53 512 Thermal conductivity 0,2 W/K.m DIN 52 612 Dielectric surface resistivity 7 x 1010 Ohm DIN 53 482 Dielectric breakdown voltage > 5 Kv/mm DIN 53 841 Temperature resistance (dry / wet) -50 °C to +100 °C / +60 °C Abrasion 80 mm3 DIN 53 516 Coefficient of static friction μ(0) = approx. 0.7 Solids content (by volume and weight) 100% Working life 7 minutes at 50 °C Touch dry time 30 minutes at 20 °C Full Cure (relative to stress) > 1.5 day at 20 °C Coverage (per mm film thickness) 1.2 kg/m2 theoretically Chemical description PTMEG / TDI-polyether stripped Isocyanate MetaLine 785 medium-soft polyurethane spray-coating Application method spraying / casting Application equipment MetaLine Cartridge Gun Mixing ratio 2 : 1 by volume Processing temperature +50 °C to +70 °C Hardness (sprayed / casted) 82 / 85 Shore A A.S.T.M. D2240-68 Density 1.05 g/cm3 DIN 53 479 Tensile strength 20 N/mm2 A.S.T.M. D412-68 Tensile modulus (at 100 % elongation) 7 N/mm2 A.S.T.M. D412-68 Tear strength 55 N/mm DIN 53 515 Elongation at break 380% A.S.T.M. D412-68 Bashore resilience 45% DIN 53 512 Thermal conductivity 0.2 W/K.m DIN 52 612 Dielectric surface resistivity 7 x 1010 Ohm DIN 53 482 Dielectric breakdown voltage > 5 Kv/mm DIN 53 841 Temperature resistance (dry / wet) -50 °C to +130 °C / +60 °C TABER-Abrasion (H-22, dry, 1 kg, 1000 rev.) 8.2 mg A.S.T.M. D1-044-73 Abrasion 70 mm3 DIN 53 516 Coefficient of static friction μ(0) = approx. 0.6 Solids content (by volume and weight) 100% Working life 1 minutes at 50 °C Full Cure (relative to stress) > 1 day at 20 °C Coverage (per mm film thickness) 1,2 kg/m2 theoretically Chemical description PTMEG / TDI-polyether stripped Isocyanate MetaLine 795 medium-hard polyurethane spray-coating Application method spraying / casting Application equipment MetaLine Cartridge Gun Mixing ratio 2 : 1 by volume Processing temperature +50 °C to +70 °C Hardness (sprayed / casted) 95 / 98 Shore A A.S.T.M. D2240-68 Density 1.05 g/cm3 DIN 53 479 Tensile strength 24 N/mm2 A.S.T.M. D412-68 Tensile modulus (at 100 % elongation) 13 N/mm2 A.S.T.M. D412-68 Tear strength 68 N/mm DIN 53 515 Elongation at break 275% A.S.T.M. D412-68 Bashore resilience 27% DIN 53 512 Thermal conductivity 0,2 W/K.m DIN 52 612 Dielectric surface resistivity 7 x 1010 Ohm DIN 53 482 Dielectric breakdown voltage > 5 Kv/mm DIN 53 841 Temperature resistance (dry / wet) -50 °C to +130 °C / +60 °C TABER-Abrasion (H-22, dry, 1 kg, 1000 rev.) 10.5mg A.S.T.M. D1-044-73 Abrasion DIN 53 516 Coefficient of static friction μ(0) = approx. 0.2 Solids content (by volume and weight) 100% Working life 1 minutes at 50 °C Full Cure (relative to stress) > 1 day at 20 °C Coverage (per mm film thickness) 1.2 kg/m2 theoretically Chemical description PTMEG / TDI-polyether stripped Isocyanate 参考资料：www.metaline.de
推桌子时,在没有推力时,如果没有摩擦力,则物体要向右运动,所以物体有一个向右的运动趋势,所以物体会受到一个向左的静摩擦力的作用,阻碍它的这种趋势.
又如,传递带把货物往上运的过程中,如果没有摩擦,则货物要沿斜面下滑,所以物体有沿斜面下滑的趋势,所以传送带给了货物一个沿斜面向上的静摩擦力的作用,以阻碍货物向下滑的运动趋势.
如果没有摩擦和介质阻力,物体只发生动能和势能的相互转化时,机械能的总量保持不变.
这就是没有摩擦力带来的影响