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Gear hydraulic motor KM 1
high-pressure

gear hydraulic motor
gear hydraulic motor
gear hydraulic motor
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Characteristics

Technology
gear
Other characteristics
high-pressure
Torque

40 Nm, 55 Nm (29.5 ft.lb)

Pressure

Max.: 300 bar (4,351 psi)

Min.: 0 bar (0 psi)

Displacement

Max.: 22 cm³ (1 US fl oz)

Min.: 6 cm³ (0 US fl oz)

Description

Accordingly to its configuration – the Design principle is illustrated by the Sectional figure above – the KRACHT External Gear-Type Motor Series KM 1 is classified in the category of the so-called Gland-Type Bearing Motors. All essential functional parts as the gearing and the gland bearings are located in an aluminium housing manufactured of a high strength extrusion alloy which is closed on each side by an end cover or by a flange mounting cover respectively. The gearing of case hardening steel in surface hardened condition consists of the pinion shaft and the pinion. Highest manufacturing quality is assured by grinding and honing of the tooth flanks. The surfaces of the journals are super finished. An important reduction of the type dependent deviation of the volumetric flow and of the pressure pulsation was achieved on the basis of the great teeth number (z = 13) and the specially shaped teeth. The gland bearings located on both sides of the gearing carry the journals in heavy duty multicomponent plane bearing bushes and contain additionally those sealing elements which serve for the pressure field sealing to compensate the axial clearance. Multiple engine combinations are possible. The optimal design of the pressure fields guarantees very good efficiencies over a wide pressure/speed range on the one hand – at the nominal working point for instance a total efficiency of 90 % and above is reached – and ensures a smooth starting behaviour of the motor on the other hand and that already at a low rate of the input flow.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.