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Part numbers (TNR) | R1651 411 2Y |
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Size | 45 |
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Accuracy class | SP |
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Preloading | 0,02 C |
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Ball Chain | Yes |
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Seal | double-lipped |
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Lubrication | pre-lubricated |
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A [mm] | 120 |
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A1 [mm] | 60 |
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A2 [mm] | 45 |
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A3 [mm] | 37.5 |
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B [mm] | 137.6 |
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B1 [mm] | 97 |
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H [mm] | 60 |
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H1 [mm] | 50.3 |
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K1 [mm] | 17.3 |
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K2 [mm] | 19.3 |
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K3 [mm] | 8.2 |
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K4 [mm] | 8.2 |
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H2 with rail seal cover strip [mm] | 40.15 |
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H2 without rail seal cover strip [mm] | 39.85 |
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E1 [mm] | 100 |
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E2 [mm] | 80 |
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E3 [mm] | 60 |
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E8 [mm] | 69.8 |
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E9 [mm] | 20.9 |
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N1 [mm] | 15 |
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N2 [mm] | 12.4 |
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N6±0,5 [mm] | 23.5 |
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S1 [mm] | 10.4 |
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S2 [mm] | M12 |
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S5 [mm] | 14 |
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S9 [mm] | M4x7 |
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T [mm] | 105 |
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V1 [mm] | 10 |
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weight [kg] | 3 |
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C [N] | 63300 |
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C0 [N] | 77100 |
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Mt [Nm] | 1700 |
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Mt0 stat [Nm] | 2145 |
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ML [Nm] | 825 |
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ML0 [Nm] | 1050 |
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Note | Determination of the dynamic load capacities and moments is based on a travel life of 100,000 m per ISO 14728-1. Often only 50,000 m are actually stipulated. For comparison: Multiply values C, Mt and ML from the table by 1.26. |
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Dynamic characteristics | Travel speed: vmax = 5 m/s Acceleration: amax = 500 m/s2 (If Fcomb > 2.8 · Fpr : amax = 50 m/s2) |
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Product group info | Note
Can be used on all Ball Guide Rails SNS. |
力士乐引入的新型负载保持和下降阀使行走机械具有更高的能效,也更易于控制。利用重力作用、而不是发动机功率,就能帮助吊臂的下降;力士乐的这种新型“绿色阀”极大降低了功率要求,因而减少了燃油消耗和排放量。原理其实并不复杂:利用重力降低吊臂及其负载,而不再使用设备的宝贵能源。而这与传统负载保持与下降阀的原理刚好相反。
从严格的意义而言,为满足安全要求并确保平稳运动,必须用一只平衡阀来平衡吊臂的重量;这就需要发动机输出更多功率,以建立打开阀门所必需的压力。对于伸缩臂叉装车、挖掘装载机或汽车