A | With two-hole flange (d1 = 60 / 90 / 113 mm) |
B | With four-hole flange (d1 = 113 / 126 mm) |
1 | Without tear-off lock |
2 | With tear-off lock |
d1 | d2 Thread | d3 | d4 Type A | d5 Type B | h | s | b Type A | l1 Type A | l2 Type B | m1 Type A | m2 Type B |
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2.36 | M 10 | 3.07 | 0.35 | - | 1.18 | 0.08 | 3.07 | 5.04 | - | 4.33 | - |
3.54 | M 12 | 4.17 | 0.51 | - | 1.54 | 0.12 | 4.33 | 6.69 | - | 5.51 | - |
4.45 | M 16 | 5.91 | 0.49 | 0.49 | 2.05 | 0.16 | 5.91 | 8.50 | 6.61 | 7.24 | 5.20 |
4.96 | M 20 | 6.97 | - | 0.51 | 2.48 | 0.16 | - | - | 7.24 | - | 5.91 |
F1 = Static load in vertical direction (pressure) Stiffness R: Equation for calculating the stiffness: R = F/s |
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The table below gives details on the maximum static load F, the maximum permissible compression and the resulting stiffness R. |
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Interference frequency [Hz]: Static load F [lbf or N]: Degree of insulation [%]: Compression s [in or mm]: Stiffness R [lbf/in or N/mm]: |
The first step is to determine the static load F per leveling foot. With appropriately arranged leveling feet and thus an evenly distributed load F, this value is calculated using the following equation: Force due to weight of the machine [lbf or N] / Number of leveling feet = Static load F [lbf or N] per leveling foot Use the calculated static load F to select a leveling foot from the table, making sure that the static load F lies as close as possible to the static load capacity without exceeding it. The associated stiffness R of the selected leveling foot is also taken from the table. Static load F [lbf or N] per leveling foot / = Actual compression s [in or mm] Starting from the calculated actual compression s, the achievable degree of insulation as factor of the interference frequency can now be taken from the chart shown above. To optimize the achievable degree of insulation, the number of leveling feet may be changed such that the static load F for each leveling foot is as close as possible below a load capacity value given in the table. This will increase the compression s which, in turn, results in a higher degree of insulation. |
Min | Max | Price |
---|---|---|
1 | 49 | $56.91 |
50 | 99 | $52.17 |
100 | 249 | $47.43 |
≥ 250 | $42.68 |
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Beginning June 15, 2024, we will implement a price adjustment. Some items will have a price decrease, while others will increase. The adjustment helps ensure our commitment to providing our customers with the best products and services.
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