BarrettHand BH8-262 Technical Specifications

Kinematics Qty.

  • Total fingers: 3
  • Fingers which spread: 2
  • Joints per finger: 3
  • Motors per finger: 1
  • Axes of spread motion: 2
  • Motors for spread motion: 1
  • Total axes: 8
  • Total motors: 4

Range of Motion

  • Finger base joint: 140¡
  • Fingertip: 48¡
  • Finger spread: 180¡

Finger Speed

  • Finger fully open to fully closed: 1.0 sec
  • Full 180¡ finger spread: 0.3 sec

Position Sensing

  • Type: optical incremental encoder
  • Resolution: 0.008¡ at the finger base joint 17,500 encoder counts full finger open to full close

Weight

  • BarrettHand™: 1.18 kg (2.60 lb)
  • Optional Arm Adapter B0133: 0.2 kg (0.4 lb) additional

Payload

  • 2.0 kg (4.4 lb) per finger at tip

Motor Type

  • Samarium-Cobalt, brushless, DC, servo motors

Mechanisms

  • Worm drives integrated with patented cable drive and TorqueSwitch™

Power Requirements

  • Single phase AC electrical outlet with ground.
  • Load: 500 W
  • Phases: Single
  • Voltage: 95-130 & 190-260 VAC
  • Frequency: 50/60 Hz

Power Supply

  • Location: dry, stationary surface
  • Size: 298 x 149 x 42 mm (11.74 x 5.65 x 1.54 in)
  • Weight: 1224 gm (2.70 lb)

Cables

  • 3-meter continuous-flex cable, 8-mm diameter (BarrettHand™ Cable)
  • 3-meter serial extension cable
  • AC line cord

Hand Dimensions

figure40.png

Figure 40 - BarrettHand™ Dimensions

Available Options

  • B029A Strain gage Fingertip Torque Sensors for all three fingers
  • B0111 C++ Function Library
  • B01C3 Subscription Service

US Patents (patents established and pending in other countries)

  • 5,501,498
  • 5,388,480
  • 4,957,320
Last modified 6 years ago Last modified on May 12, 2011, 3:44:53 PM