Hydraulic Clamping Elements

HILMA WZ 2.1300 Hollow Piston Cylinders without Spring Return

• Clamping force: 34.8 - 137.2 kN
• Clamping stroke: 12 - 15 mm
• Piston restoring force: 0.18 - 0.7 kN
• Piston area: 8.7 - 34.3 cm²

HILMA WZ 2.2095 Clamping bar with press-in piston single-acting with spring return

• Max. clamping force: 35 kN
• Number of pistons: 5
• Piston diameter: 15 mm
• Stroke: 6 mm
• Length: 220 mm

HILMA WZ2.2402 Wedge Clamps for Tapered Clamping Edge double acting, max. clamping force 25 to 630 kN, with adjustable position monitoring at the back

• Max. clamping force: 25 .. 630 kN
• Adm. retaining force: 35 .. 820 kN
• Cylinder diameter: 25 .. 125 mm
• Clamping stroke: 20 .. 40 mm
• Max. temperature: 80/120 °C

HILMA WZ 4.2900 Mechanical Version of the Grip Rail Couplings, used for automatic centring, coupling and clamping of grip rails.

• Max. clamping force: 60 .. 100 kN
• Torque: 180 .. 300 Nm
• Centring repeatability: ± 0.02 mm
• Adm. horizontal positioning accuracy: -1/+3 mm
• Adm. axis offset: ± 2 mm

HILMA WZ 3.2202 Clamping Blocks for Compact Sliding Clamp, used with minimum space requiremments for clamping and locking machines and plants

• Max. clamping force: 19.2 .. 78 kN
• For T-slot: 18 .. 28 mm
• Clamping stroke: 8 .. 12 mm
• Max. temperature 120°C
• Max. operating pressure 400 bar

HILMA WZ2.2403 Wedge Clamps for Tapered Clamping Edge double acting, max. clamping force 25 to 630 kN, with safety step, without and with position monitoring

• Max. clamping force: 25 .. 630 kN
• Adm. retaining force: 35 .. 820 kN
• Cylinder diameter: 25 .. 125 mm
• Clamping stroke: 20 .. 40 mm
• Max. temperature: 160/100 °C (300 °C on request)

Hilma Force Control product information

HILMA WZ 4.2150 Compact design Swing Sink Clamps installed in press rams or beds, used in machine tools and plants.

• Max. clamping force: 60 - 216 kN
• Piston diameter: 52 - 88 mm
• Clamping and lowering stroke: 42 - 65 mm
• Clamping edge: 18 - 50 mm
• Swing angle: 2 x 45°

HILMA WZ 2.1320 Single-Acting Hollow Piston Cylinder, with spring return, as a pulling or pressing cylinder

• Max. clamping force: 34.8 - 137.2 kN
• Clamping stroke: 12 - 15 mm
• Spring force: 0.26 - 0.75 kN
• Piston area: 8.7 - 34.3 cm²

HILMA WZ 2.2096 Clamping Bars permanently installed on press beds and rams, used on machines and plants for clamping and locking.

• Max. clamping force: 38.6 - 116 kN
• Number of pistons: 2 - 6
• Stroke: 8 mm
• Length: 150 - 270 mm

ROEMHELD WZ 2.2097 Clamping Bars double acting, with built-in pistons

• Max. clamping force: 38.6 .. 116 kN
• Number of pistons: 2 .. 6
• Piston diameter: 15 mm
• Stroke: 8 mm
• Length: 150 .. 270 mm

HILMA WZ 4.2900 Electro-Mechanical version of the Grip Rail Couplings, used for centring, coupling and clamping of grip rails.

• Max. clamping force: 100 kN
• Motor rating: 0.25 kW
• Centring repeatability: ± 0.02 mm
• Adm. horizontal positioning accuracy: -1/+3 mm
• Adm. axis offset: ± 2 mm