Worm-wheel operator Type GM 1200-2650
Worm-wheel operator Type GM 1200-2650
The operator:
Gear box with irreversible worm and worm-wheel. Two shafts with free ends, the wormwheel of special bronze and worm are equipped with ball bearings for noiseless operation. All protruding shaft ends are sealed against oil leakage, so the unit can be mounted in any position: the horizontal position is recommended. The limit switch shaft with its own drive worm is integrated in the gear box and runs in oil. Standard voltage 3-phase AC 230/400 V. (special voltage at options).
The limit switch:
On the reduction is a box mounted with limit switch ES10, this can be connected with a separate controller which can be chosen out of the LST/WST range. The limit switch consist out of a potential free switch, a control current limit switch for the end positions and a safety switch for each side of rotation.
The Emergency chain operation:
In option an emergency chain drive type RKG can be supplied. The RKG is mounted in front of the engine for a horizontal or vertical placement. Only one chain for manual operation. The integrated security switch avoids that the engine starts during the emergency operation. During the use of the emergency unit the end positions continue preserve.
Maintenance:
The operator is maintenance free.
Technical data
Worm-wheel operator Type GM 1200-2650
Technical data
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Type | Nm | Min-1 | U | kW | V | Hz | IA | A | % | IP | Kg | dB(A) |
| GM 1200 | 120 | 33 | 30 | 0,55 | 230/400 | 50 | 2.8/1.6 | 10/6 | S3-60 | 44 | 22 | < 70 |
| GM 2650 | 265 | 30 | 30 | 1,1 | 230/400 | 50 | 4.8/2.8 | 20/10 | S3-60 | 44 | 34 | < 70 |
Capacity table
Worm-wheel operator Type GM 1200-2650
Capacity table
| GM 1200 | GM 2650 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2:1 | 3:1 | 4:1 | 2:1 | 3:1 | 4:1 | |||||||
| Ø mm |
(1)* kg |
(2) cm/s |
(1)* kg |
(2) cm/s |
(1)* kg |
(2) cm/s |
(1)* kg |
(2) cm/s |
(1)* kg |
(2) cm/s |
(1)* kg |
(2) cm/s |
| 101.6×3.6 | 276 | 12.2 | 414 | 8.1 | 552 | 6.1 | 610 | 11.1 | 915 | 7.4 | 1220 | 5.5 |
| 108×3.6 | 264 | 12.7 | 396 | 8.5 | 528 | 6.3 | 584 | 11.6 | 876 | 7.7 | 1168 | 5.8 |
| 133×4 | 226 | 14.9 | 339 | 9.9 | 452 | 7.4 | 499 | 13.5 | 749 | 9.0 | 999 | 6.7 |
| 159×4.5 | 196 | 17.1 | 295 | 11.4 | 393 | 8.5 | 434 | 15.6 | 651 | 10.4 | 868 | 7.8 |
| 165.1×4.5 | 190 | 17.7 | 286 | 11.8 | 381 | 8.8 | 421 | 16.1 | 632 | 10.7 | 842 | 8.0 |
| 177.8×5 | 179 | 18.8 | 269 | 12.5 | 359 | 9.4 | 396 | 17.1 | 595 | 11.4 | 793 | 8.5 |
| 219.1×5.9 | 151 | 22.3 | 226 | 14.9 | 302 | 11.1 | 333 | 20.3 | 500 | 13.5 | 667 | 10.1 |
| 229×6.3 | 145 | 23.2 | 218 | 15.4 | 291 | 11.6 | 321 | 21.1 | 482 | 14.0 | 642 | 10.5 |
| 244.5×6.3 | 137 | 24.5 | 206 | 16.3 | 275 | 12.2 | 303 | 22.3 | 455 | 14.8 | 607 | 11.1 |
| 267×6.3 | 127 | 26.5 | 191 | 17.6 | 255 | 13.2 | 281 | 24.1 | 422 | 16.0 | 563 | 12.0 |
| 277×7.1 | 123 | 27.3 | 185 | 18.2 | 246 | 13.6 | 272 | 24.8 | 409 | 16.5 | 545 | 12.4 |
(1) Weight*
(2) Initial lifting speed
*The weight of the shutting door in the table is the net weight with 20% friction and the first rotation included.
Dimensions
Worm-wheel operator Type GM 1200-2650
Dimensions
Accessories
Worm-wheel operator Type GM 1200-2650
Accessories
Examples