Clamping arm, standard
No. 6959KL-xx-30
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Link Clamp
double-acting
max. operating pressure 350 bar,
min. operating pressure 25 bar.
| Order no. |
Article no. |
Clamping force at 100 bar * [kN] |
Clamping force at 350 bar* [kN] |
Piston force at 100 bar [kN] |
Piston force at 350 bar
[kN] |
Stroke
[mm] |
Vol. Sp
[cm³] |
Vol. Lo
[cm³] |
eff. piston area Sp [cm²] |
eff. piston area Lo [cm²] |
Md max.
[Nm] |
Piston rod dia. [mm] |
Piston dia. [mm] |
Q max.
[l/min] |
Weight
[g] |
CAD | SC |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 321695 | 6959KL-160 | 1,5 | 5,4 | 2,0 | 7,0 | 17,0 | 7,4 | 1,5 | 2,0 | 0,9 | 6,3 | 12 | 16 | 0,50 | 755 |
|
|
| 322057 | 6959KL-200 | 2,4 | 8,4 | 3,1 | 11,0 | 23,0 | 7,2 | 3,2 | 3,1 | 1,4 | 12,0 | 15 | 20 | 0,78 | 1876 |
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| 321711 | 6959KL-250 | 3,8 | 13,2 | 4,9 | 17,2 | 26,5 | 13,0 | 6,3 | 4,9 | 2,4 | 25,0 | 18 | 25 | 1,24 | 2390 |
|
|
| 322032 | 6959KL-320 | 6,2 | 21,6 | 8,0 | 28,1 | 34,0 | 27,3 | 10,7 | 8,0 | 3,1 | 50,0 | 25 | 32 | 2,02 | 5320 |
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|
| 322040 | 6959KL-400 | 9,7 | 33,8 | 12,6 | 44,0 | 43,0 | 54,0 | 27,6 | 12,6 | 6,4 | 95,0 | 28 | 40 | 3,18 | 8820 |
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Cl = clamping, Uncl = unclamp
* Specifications with clamping arm, standard
Design:
Cylinder housing from hardened steel, tempered. Top mounting with four cylinder screws (resistance min. 12.9), these are included in the supply scope. Pistons and bolts from from hardened steel, tempered, ground and nitrided. All parts nickel plated.
Supply scope includes hinge pins and tension plates, but not clamping levers. Oil supply via threaded port or oil channel in fixture body.
Application:
The lever-type clamping fixture is used in clamping devices where workpieces need to be freely accessible and must be placed in from above. Particularly well suited for clamping in clamping pockets. Good corrosion resistance and high surface hardness (approx. 615 HV) is provided by chemical nickel plating (specifications MIL-C-2607 AE, ASTM B733 and AMS 2404D).
Features:
Top flange version, lever mechanism can be turned in the range of 180º in 90º steps. Special designs are possible.
Note:
Proximity switch and electrical pressure-point monitoring can be supplied on request.
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dimensions table
Order
no.Article no. A A1 B C D E F G H H1 H2 H3 H4 H5 H6 I dia. K
L M N P O R S W ØG2 U V OR-1
O-ring
Order No.321695 6959KL-160 43,0 26,3 16,0 21,0 6,0 26,0 14,5 G1/8 20 86,0 52 72 48,5 24 15 11,0 30 51,5 18 4,5 15 9 36 45 68,6° 5,8 8,5 17,5 161802 322057 6959KL-200 56,5 33,0 21,0 27,5 6,0 35,0 13,5 G1/4 26 120,5 72 103 61,5 34 25 14,0 38 70,0 27 8,0 20 14 54 70 74,4° 6,5 15,0 21,5 321646 321711 6959KL-250 63,5 40,3 24,0 31,5 8,0 40,0 18,5 G1/4 27 129,3 75 110 65,0 37 27 14,0 42 74,0 30 7,0 24 14 60 74 73,7° 8,5 16,0 23,5 321646 322032 6959KL-320 82,0 51,0 32,0 42,0 8,0 52,0 24,0 G1/4 35 167,5 103 145 81,5 47 27 15,0 52 100,0 39 11,0 30 14 78 100 70,5° 10,5 16,0 30,0 321646 322040 6959KL-400 101,0 61,5 39,5 51,5 8,0 65,5 28,5 G1/4 35 193,0 113 169 94,5 50 27 17,5 63 125,0 50 12,5 35 18 100 125 72,2° 12,5 18,0 38,0 321646
Order
no.Article no. G3 x depth R ±0,2 dia. T U V ØWW +0.1 X dia. Y x max. depth 321695 6959KL-160 M5 x 11 36 3,0 8,5 17,5 30,2 0,2 x 45° 7,8 x 0,1 322057 6959KL-200 M6 x 18 54 5,0 15,0 21,5 38,2 0,2 x 45° 12,7 x 0,1 321711 6959KL-250 M8 x 16 60 5,0 16,0 23,5 42,2 0,2 x 45° 12,7 x 0,1 322032 6959KL-320 M10x16 78 5,0 16,0 30,0 52,2 0,2 x 45° 12,7 x 0,1 322040 6959KL-400 M12x18 100 5,6 18,0 38,0 63,2 0,2 x 45° 12,7 x 0,1