OHT (Overhead Hoist Transfer System)
An automated transport system which related to Overhead Hoist Transfer System.
Equipment type
| Classification | SPECIFICATION | |
|---|---|---|
| Payload | 10kg | |
| Velocity | Straight-line section | 4.2 m/s |
| Curved section | 0.7 m/s | |
| Acceleration/ deceleration | 2 ~ 3 m/s | |
| Time of uploading and loading(include E84) | EQ : 10sec, STB : 11sec | |
| Degree of uploading and loading work. | &±1mm | |
| Length of Hoisting | Max. 3.3m (FOUP) | |
| Sliding Distance | Max. 450mm (RailCenter) | |
| Method of divergence and merging | VHL Self Switching | |
| Time of Steering unit operation | 0.5sec | |
| Curve radius | 450mm / 500mm | |
| Size | Vehicle | 465mm(W) x 788mm(D) x 923mm(H) |
| Rail | 392mm(W) x 250mm(H) | |
| Vehicle Weight | 105kg (±5kg) | |
| Rail Weight | Straight line Rail | 4.9kg/m |
| Divergence Rail | 75kg/Unit | |
| Non-contactPower equipment (HID) | power supplies (30KVA) | |
