Linear drives from Curtiss-Wright can be used in a wide range of applications and consist of a linear roller screw spindle, transmitting the rotation of the motor linearly. For upgrades and replacements of existing elevation hydraulic drives, an Elevation Linear Gear (ELG) can be easily installed within the available space.
All linear drives are modular where the servo drive and hand crank can be repositioned when location and space restraints require. Dual redundant brakes and a manual backup drive (for use when power is off) are also included for system security.
|ELG 10||ELG 30||ELG 60|
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|ELG 10||ELG 30||ELG 60|
|Typical application (weapon caliber)||20 mm
|Nominal output force||10 kN||30 kN||75 kN|
|Gear ratio||1:1||1.5:1 to 2.62:1||1.5:1 to 4.9:1|
|Screw pitch||10/15/20/25 mm
|Rigidity with motor shaft blocked||>50 MN/m||>90 MN/m||>200 MN/m|
|Backlash with motor shaft blocked||<0.1 mm||<0.05 mm||<0.05 mm|
|Approximate weight with motor and manual backup||25 kg
|Dimensions (l x w x h) mm||650 x 90 x 232
25.59 x 3.54 x 9.13"
|875 x 192 x 246
34.45 x 7.56 x 9.69"
|750 x 255 x 300
29.53 x 10.04 x 11.81"
- ELG 30 comes without a hand crank
- Working stroke in accordance with requirements
|Typical application (weapon calibre)||20 mm
|Nominal output force||10 kN|
|Gear ratio motor: screw||1:1|
|Screw pitch||5/10 mm
|Approximate weight||12 kg
|Approximate dimensions (l x w x h) mm||490 x 90 x 130 mm
19.29 x 3.54 x 5.12"
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