铸型尼龙在不同润滑条件下的磨擦系数
Friction Coefficient of Cast Nylon In Different Lubrication
Conditions
| 润滑条件 Lubrication Conditions |
摩擦方式Friction Mode
|
| 静摩擦系数,μ。Coefficient
of Static Friction,μ。 |
动摩擦系数，μ。Coefficient
of Dynamic Friction,μ。 |
| 循环油润滑 cycling oil lubrication |
0.002-0.02 |
_
|
| 矿物油润滑 mineral oil lubrication |
0.1 |
0.08 |
| 黄干油润滑 dry grease |
0.15-0.20
|
_ |
| 水润滑 water lubrication |
0.23 |
0.19 |
| 无油润滑 non-oil lubrication |
0.3-0.4 |
0.15-0.30 |
5%二硫化钼填充
5%molybdenum sulfide filling |
0.07-0.15 |
0.06-0.1 |
Taber磨损试验
Taber Wearing Test
| Taber磨损试验 Taber wearing Test |
| 试料Testing materials |
磨损量wearing capacity* |
| 铸型尼龙Castnyion |
1.0 |
| 尼龙66Nylon66 |
1.6 |
| 布基酚醛树脂制品 Cloth bakellte product |
6.7 |
| 石棉酚醛树脂制品 Asbestos bakellte product |
10.5 |
| 聚缩醛 Aldehyde |
3.2 |
| 高密度聚乙烯 High-density polyvinyl |
2.5 |
|
铜 Copper
|
8.3 |
| 铜（ss41）Steel (ss41) |
8.8 |
| 硬质聚亚胺酯橡胶 Hard polyurethane rubber |
2.0 |
铸型尼龙在添加填料的情况下磨擦系数的比较
Comparison Of Friciotn Coefficient
Of Cast Nylon In The Condition Adding Finer
| 铸型尼龙在添加填料情况下摩擦系数的比较 Comparison Of Friction
Coefficient Of Nylon In The Condition Adding Finer |
| 材料类别Material |
润滑情况 Lubrication |
摩擦系数μFriction Coefficient,μ |
| 未加填料 Filler not added |
无油润滑 non-oil lubrication |
0.15 |
| 未加填料 Filler not added |
机油润滑Oil lubrication |
0.07-0.10 |
| 加1%炭黑 1% carbon black added |
机油润滑Oil lubrication |
0.05-0.07 |
技术性能
Technical Characteristics
| 技术性能 Technical characteristics |
| 项目 Items |
单位 Unit |
指标值desired value |
| 板、棒材 plate and bar |
管材 pipe |
轮盘 disk |
| 密度 Denslty |
|
1.14-1.17 |
1.14-1.17 |
1.14-1.17 |
| 线膨胀系数 Linear expansion factor |
1/℃ |
≤10×10 |
≤9×10 |
≤9×10 |
| 拉伸强度 Tenslte strength |
Mpa |
≥75 |
≥75 |
≥85 |
| 断裂伸长率 Rate of extension at break |
% |
≥15 |
≥20 |
≥20 |
| 压缩强度 Compression strength |
Mpa |
≥100 |
≥100 |
≥105 |
| 弯曲强度 Flexual strength |
Mpa |
≥10 |
≥130 |
≥135 |
| 冲击强度 lmpacf strength |
kj/m2 |
≥300 |
≥350 |
≥350 |
| 热变形温度 Heat dlstortion temperature |
(1.81Mpa)℃ |
≥120 |
≥135 |
≥150 |
| 硬度(布氏) Ball hardness |
dan/mm2 |
≥14 |
≥15 |
≥16 |
| 摩擦系数 Frlction coefficlent |
Dry Friction |
≤0.3 |
≤0.25 |
≤0.25 |
