Set screw, ball-shaped
No. 6940
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Threaded Cylinder
double-acting,
max. working pressure 400 bar,
min. operating pressure 25 bar.
| Order no. |
Article no. |
Push force at 100 bar
[kN] |
Push force at 400 bar
[kN] |
Pull force at 100 bar
[kN] |
Pull force at 400 bar
[kN] |
Stroke H ±1
[mm] |
Vol. push
[cm³] |
Vol. pull
[cm³] |
Piston area push
[cm²] |
Piston area pull
[cm²] |
Md
[Nm] |
Weight
[g] |
CAD | SC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 320507 | 6930D-05 | 1,1 | 4,5 | 0,6 | 2,5 | 12 | 1,4 | 0,8 | 1,1 | 0,6 | 44 | 107 |
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| 320515 | 6930D-08 | 2,0 | 8,0 | 1,2 | 4,9 | 16 | 3,2 | 2,0 | 2,0 | 1,2 | 77 | 186 |
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|
| 320523 | 6930D-12 | 3,1 | 12,5 | 2,0 | 8,0 | 20 | 6,3 | 4,0 | 3,1 | 2,0 | 154 | 270 |
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|
| 320531 | 6930D-20 | 4,9 | 19,6 | 2,9 | 11,6 | 25 | 12,3 | 7,3 | 4,9 | 2,9 | 301 | 519 |
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|
| 320549 | 6930D-32 | 8,0 | 32,1 | 4,9 | 19,6 | 32 | 25,7 | 15,7 | 8,0 | 4,9 | 594 | 920 |
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| 320556 | 6930D-50 | 12,5 | 50,2 | 7,6 | 30,6 | 40 | 50,2 | 30,6 | 12,5 | 7,7 | 1115 | 1639 |
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Design:
Cylinder housing from hardened steel, burnished. Piston tempered, ground, nitrided, and treated with a corrosion-resistant coating. Oil supply via oil channel in fixture body.
Application:
These threaded cylinders can be used in all types of clamping fixtures. Ideal for pressure bars for tolerance compensation in multiple-workpiece clamping fixtures, and for positioning, holding or ejecting, and clamping workpieces. Can be used extending or retracting.
Features:
The O-rings are smaller than the diameter of the screw-in thread. This reduces the risk of damage to the seal during the installation process.
Two-piece body makes it easier to change the piston-rod seal. Housing seals against the surface of the hole sleeve. For sizes 05 and 08, there is additional sealing between the housing head and the fixture body.
Small dimensions, can be installed closely spaced side-by-side. The cylinder must be screwed into the fixture body up to its flange.
Note:
Maximum speed of operation 0.5 m/s
Can be supplied on request for higher pressures and temperatures.
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dimensions table
Order
no.Article no. A B C dia. D
dia. E F7 F G I J K x depth L ±1 M +1 P ±0,2 R dia. S H7 min. dia. T dia. U
W ±0,2 dia. X
dia. Y f7 SW OR-1
O-ring
Order No.320507 6930D-05 39 5,5 3,6 12 8 19,2 M22x1,5 44 18,0 M5x11 52 25,5 39 20 18 31 30 8,5 2,5 18 7 321141 320515 6930D-08 48 6,0 4,0 16 10 23,0 M26x1,5 53 19,0 M6x14 65 30,0 48 25 22 33 31 8,5 2,5 22 8 321240 320523 6930D-12 53 7,0 4,0 20 12 29,2 M32x1,5 62 20,0 M8x14 67 31,5 53 30 28 38 37 10,5 4,2 28 10 320952 320531 6930D-20 65 7,0 4,4 25 16 35,8 M40x1,5 72 25,0 M10x18 82 39,0 65 35 35 45 44 13,5 5,2 35 13 321018 320549 6930D-32 72 10,0 4,4 32 20 44,8 M50x1,5 79 28,0 M12x18 94 44,0 72 42 44 55 54 15,5 6,2 44 17 321091 320556 6930D-50 86 12,0 5,2 40 25 56,2 M60x1,5 94 30,5 M16x28 112 47,0 86 50 55 66 65 19,0 6,2 55 22 321174