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SAI GS motor is a fixed displacement motors which can reach rotation speeds up to 3 times higher than traditional radial piston motors. The high ratio between maximum and minimum speeds, together with excellent efficiency and cavitation resistance make this series ideal for high power density applications where performance and reliability are necessary requirements for the circuit.
Features:
1) High Speed: The GS Series high speed motors have maximum speeds which are two to three times higher than those normally expected in LSHT motors.
2) Low Speed: The radial piston design ensures excellent low speed characteristics.
3) High specific speed range: The ratio (max speed); (min speed) is higher than any other type of equivalent hydraulic motor, giving greater flexibility of application.
4) High power ratings: The motors rugged design and high operating efficiency enable high continuous powers to be transmitted.
5) Disc Cage:
Hydraulic motor makes the most of speed with disc cage oncrankshaft central roller bearing. This particular kind of cage offers two remarkable advantages, compared to most of the cages available on the market:
- minimize heat generation, due to the reduced friction area;
- maximize heat dissipation, as surfaces of the rolling parts are easier to flush.
The high speed capability, with equivalent high power ratings, is possible due to the following factors;
Forced lubrication of all load-bearing surfaces - hydraulic balancing of piston foot, cylinder trunnion and distributor rotor;
Low sliding speeds of load bearing surfaces - compact distributor rotor, central piston support bearing, cylinder trunnions.
High dynamic stability of the pistons - the sleeves of the oscillating cylinder have been extended in order to give the piston added directional guidance. Also, the lightweight, single-component design of the piston minimizes the effects of inertial forces at high speeds. The stability of the piston is further helped by the spherical surface of the piston-support ring which favors self-centering of the piston at high speed and eliminates stick-slip phenomena at low speeds.
Mechanical, non-elastic piston guidance design - the pistons follow the shaft eccentric without separation and hammering under all normal and anomalous hydraulic or mechanical operating conditions (cavitation, high case pressure, vibration, centrifugal forces, etc.)
Surface finishing of the pistons and cylinders to prevent seizure.
Increased cylinder-wall thickness and stronger cylinder trunnions for stiffer, higher strength cylinders.
Type: GS05, GS1, GS2, GS3, GS4, GS5A, GS6A
SAI GS motor is a fixed displacement motors which can reach rotation speeds up to 3 times higher than traditional radial piston motors. The high ratio between maximum and minimum speeds, together with excellent efficiency and cavitation resistance make this series ideal for high power density applications where performance and reliability are necessary requirements for the circuit.
Features:
1) High Speed: The GS Series high speed motors have maximum speeds which are two to three times higher than those normally expected in LSHT motors.
2) Low Speed: The radial piston design ensures excellent low speed characteristics.
3) High specific speed range: The ratio (max speed); (min speed) is higher than any other type of equivalent hydraulic motor, giving greater flexibility of application.
4) High power ratings: The motors rugged design and high operating efficiency enable high continuous powers to be transmitted.
5) Disc Cage:
Hydraulic motor makes the most of speed with disc cage oncrankshaft central roller bearing. This particular kind of cage offers two remarkable advantages, compared to most of the cages available on the market:
- minimize heat generation, due to the reduced friction area;
- maximize heat dissipation, as surfaces of the rolling parts are easier to flush.
The high speed capability, with equivalent high power ratings, is possible due to the following factors;
Forced lubrication of all load-bearing surfaces - hydraulic balancing of piston foot, cylinder trunnion and distributor rotor;
Low sliding speeds of load bearing surfaces - compact distributor rotor, central piston support bearing, cylinder trunnions.
High dynamic stability of the pistons - the sleeves of the oscillating cylinder have been extended in order to give the piston added directional guidance. Also, the lightweight, single-component design of the piston minimizes the effects of inertial forces at high speeds. The stability of the piston is further helped by the spherical surface of the piston-support ring which favors self-centering of the piston at high speed and eliminates stick-slip phenomena at low speeds.
Mechanical, non-elastic piston guidance design - the pistons follow the shaft eccentric without separation and hammering under all normal and anomalous hydraulic or mechanical operating conditions (cavitation, high case pressure, vibration, centrifugal forces, etc.)
Surface finishing of the pistons and cylinders to prevent seizure.
Increased cylinder-wall thickness and stronger cylinder trunnions for stiffer, higher strength cylinders.
Type: GS05, GS1, GS2, GS3, GS4, GS5A, GS6A
