| Material gripper jaws | Steel Hardened | ||
| Stroke per gripper jaws | 8 mm | ||
| Max. angular gripper jaw backlash ax, ay | ≤ 0,1 deg | ||
| Rotationally symmetrical | ≤ 0,2 mm | ||
| Number of gripper jaws | 3 | ||
| Mode of operation | Double-acting | ||
| Gripper force back-up | During closing | ||
| Position detection | Via proximity switch | ||
| Operating pressure | 4 bar ... 8 bar | ||
| Max. operating frequency of gripper | ≤ 4 Hz | ||
| Min. closing time at 0.6 MPa (6 bar, 87 psi) | 70 ms | ||
| Note on operating and pilot medium | Lubricated operation possible (in which case lubricated operation will always be required) | ||
| Ambient temperature | 5 °C ... 60 °C | ||
| Max. force on gripper jaw Fz static | 1.500 N | ||
| Max. torque at gripper My static | 30 Nm | ||
| Lubrication interval for guide components | 5 MioCyc | ||
| Max. mass per external gripper finger | 160 g | ||
| Pneumatic connection, blocked air | M5 | ||
| Material cover cap | High-alloy stainless steel |
| Size | 50 | ||
| Max. replacement accuracy | ≤ 0,2 mm | ||
| Max. gripper jaw backlash Sz | ≤ 0,05 mm | ||
| Repetition accuracy, gripper | ≤ 0,03 mm | ||
| Mounting position | optional | ||
| Gripper function | 3-point | ||
| Design | Wedge-shaped drive Force pilot operated motion sequence | ||
| Symbol | 991.895 | ||
| Operating pressure of blocked air | 0 bar ... 0,5 bar | ||
| Min. opening time at 0.6 MPa (6 bar, 87 psi) | 61 ms | ||
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] | ||
| Corrosion resistance class CRC | 2 - Moderate corrosion stress | ||
| Mass moment of inertia | 13,92 kgcm² | ||
| Max. torque at gripper Mx static | 50 Nm | ||
| Max. torque at gripper Mz static | 40 Nm | ||
| Product weight | 1.440 g | ||
| Type of mounting | Via through-hole and dowel pin Via female thread and dowel pin Either: | ||
| Pneumatic connection | G1/8 | ||
| Material housing | Wrought aluminium alloy Coated with COMPCOTE |
