Table 2: Comparison of the specifications.
Specification |
Omni |
CombOmni |
Delta.6 |
Sigma.7 |
Translational workspace (mm) |
70 × 160 × 120 |
100 × 200 × 200 |
∅ 400 × 260 |
∅ 190 × 130 |
Workspace volume (mm3) |
1.344 × 106 |
4.0 × 106 |
32.67 × 106 |
3.686 × 106 |
Dexterous workspace (sr) |
7.07 |
Up to 10.78 |
0.46 |
6.37 |
Translation forces (N) |
3.3 ([2.1 2.6 3.0]T ) |
[4.1 5.2 5.8]T |
20.0 |
20.0 |
Torque (mNm) |
0 |
150 |
150 |
400 |
Translation resolution (mm) |
0.05 |
0.15 |
0.02 |
0.0015 |
Rotation resolution (deg) |
\ |
< 0.1 |
< 0.04 |
0.013 |
Stiffness (N/mm) |
[1.26 1.02 2.31]T |
[2.22 1.96 4.26]T |
14.5 |
14.5 |
Interface |
IEEE 1394 FireWire® |
IEEE 1394 FireWire® |
USB |
USB |
Price (USD) |
~$1500 |
~$3000 |
~$55000 |
~$80000 |