Rotary Gear Drives
The Electrical Rotary Gear (ERG) line of drives provide a critical component in the traverse and elevation of a turret by accurately transferring the motor's motion, both while aiming at constant low speeds as well as in stabilize mode, controlling highly dynamic movements.
All linear drives are modular where the servo drive and hand crank can be repositioned if there are location and space restraints. Dual redundant brakes and a manual backup drive (for use when power is off) are also included for system security.
|ERG 100L||ERG 400L||ERG 800|
|ERG 1500||MRG 40|
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|ERG 100L||ERG 400L||ERG 800||ERG 1500|
|Typical traverse drive turret size||1,500 kg
|Typical elevation drive weapon caliber||20 mm
|Nominal output torque||100 Nm||400 Nm||800 Nm||1,500 Nm|
|Gear ratio motor: pinion||17:1 to 91:1||16:1 to 40:1||16:1 to 40:1||14:1 to 31:1|
|Rigidity with motor shaft blocked||>60 kNm/rad||>200 kNm/rad||>360 kNm/rad||>600 kNm/rad|
|Backlash with motor shaft blocked||<5 arc minutes||<5 arc minutes||<5 arc minutes||<3 arc minutes|
|Weight with motor||16 kg
|Dimensions (l x w x h) mm||336 x 137 x 198
13.23 x 5.39 x 7.79"
|460 x 195 x 310
18.11 x 5.71 x 9.84"
|580 x 210 x 450*
22.83 x 8.27 x 17.72"
|720 x 290 x 450*
28.35 x 11.42 x 17.72"
|Typical traverse drive turret size||1,000 kg
|Typical elevation drive weapon calibre||20 mm
|Nominal output torque||40 Nm|
|Gear ratio motor: pinion||max. 3 mm
|Backlash||<50 arc minutes|
|Approximate Weight||11.5 kg
|Approximate Dimensions (l x w x h) mm||200 x 245 x 200
7.87 x 9.65 x 7.87"
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