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Part numbers (TNR) | R1651 822 24 |
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Size | 20 |
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Accuracy class | P |
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Preloading | 0,08 C |
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Ball Chain | No |
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Seal | standard |
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Lubrication | not pre-lubricated |
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A [mm] | 63 |
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A1 [mm] | 31.5 |
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A2 [mm] | 20 |
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A3 [mm] | 21.5 |
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B [mm] | 75 |
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B1 [mm] | 49.6 |
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H [mm] | 30 |
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H1 [mm] | 25.35 |
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K1 [mm] | 11.8 |
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K2 [mm] | 11.8 |
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K3 [mm] | 3.35 |
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K4 [mm] | 3.35 |
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H2 with rail seal cover strip [mm] | 20.75 |
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H2 without rail seal cover strip [mm] | 20.55 |
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E1 [mm] | 53 |
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E2 [mm] | 40 |
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E3 [mm] | 35 |
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E8 [mm] | 32.5 |
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E9 [mm] | 7.3 |
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N1 [mm] | 7.7 |
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N2 [mm] | 5.2 |
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N6±0,5 [mm] | 13.2 |
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S1 [mm] | 5.3 |
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S2 [mm] | M6 |
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S5 [mm] | 6 |
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S9 [mm] | M3x5 |
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T [mm] | 60 |
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V1 [mm] | 6 |
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weight [kg] | 0.45 |
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C [N] | 18800 |
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C0 [N] | 24400 |
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Mt [Nm] | 240 |
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Mt0 stat [Nm] | 310 |
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ML [Nm] | 130 |
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ML0 [Nm] | 165 |
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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