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25 Avr 2017 - 18:18:04

Sauer Danfoss (Turolla) Gear Pumps

How To Keep Gear Pumps


Gear pumps are rotary pumps that use two meshing cogs to force out liquids with both low to excessive viscosities. Gear pumps are easy, sturdy and inexpensive pumps which might be suitable for pressures below 20 MPa (three,000 psi). These pumps fall beneath optimistic displacement, which implies that they pump a steady amount of fluid for each cycle. The liquid is then trapped by the gear enamel and forced out to the outlet in the course of the discharge stroke. For lubrication, the gear pump utilises a small amount of oil that comes from the compelled aspect of the gears that flows by way of the hydrodynamic bearings and expels the same oil to the a part of the gears with low pressure.


Turolla OCG excessive performance gear pumps are fastened displacement pumps which include the pump housing, drive gear, driven gear, DU bushings, rear cover and entrance flange, shaft seal and internal/outer seals. For those who fill the gearbox from the highest hole, until you might be VERY FORTUNATE you're going to get an air lock in the gearbox, this might be a big bubble of air that takes up the area required for the gear oil to fill.


Turolla OCG high efficiency gear pumps are fastened displacement pumps which consist of the pump housing, drive gear, driven gear, DU bushings, rear cowl and entrance flange, shaft seal and internal/outer seals. In the event you fill the gearbox from the highest hole, until you are VERY FORTUNATE you will get an air lock in the gearbox, this can be an enormous bubble of air that takes up the space required for the gear oil to fill.


Have interaction the drive pinion, a solenoid valve is activated, which exerts lube oil strain on the piston of the drive pinion. At the same time, creep pace operation of the radial piston motor is started by the power from the stress Vane pumps reduced oil from the turning gear pump to guarantee engagement of the drive pinion. Then the engagement solenoid valve is switched off, the turning gear remains engaged by the optimistic torque of hydraulic motor.


Interact the drive pinion, a solenoid valve is activated, which exerts lube oil strain on the piston of the drive pinion. At the same time, creep speed operation of the radial piston motor is started by the pressure from the stress reduced oil from the turning gear pump to guarantee engagement of the drive pinion. Then the engagement solenoid valve is switched off, the turning gear remains engaged by the positive torque of hydraulic motor.
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