QXM-Mobil
8Pages

Internal Gear MotorsSeries QXM12-Mobile and QXM22-Mobile • Excellent torque characteristics even at high speed ■ Sealing concept for ultra-high protection against external leakage • Easy start, no „stick-slip-effect" • Valve functions can be integrated • Integral outboard bearing can carry high external loads 1.1 General The QXM-Mobile internal gear motor was specifically developed for use in mobile applications. Its outstanding efficiency and extremely low noise levels also make a significant contribution to reducing the costs of both energy and anti-noise measures. The QXM design principle, featuring an integral outboard bearing, ensures top-class protection against leakage at the shaft seal. Examples of load-related operating conditions: • Magnitude of the external shaft loading • Direction of the external shaft loading • Motor speed • Viscosity of the hydraulic fluid • Cleanliness of the hydraulic fluid 1.1.1 Externalloads The QXM-Mobile features an integral heavy-duty outboard bearing for carrying external loads, both radial and axial. Depending on the specific QXM-Mobile application, certain loads and duty cycles occur. To determine the service life of the antifriction bearing, it is necessary to know the motor's loading profile and operating conditions. Please ask Bucher Hydraulics about the service life in your particular application. 1.2 Application examples • Fan drives in general • Fan drives in cooling systems • Blower drives in general • Blower drives in seed drills

With anti-cavitation valve and drain line With anti-cavitation valve, ON/OFF valve, drain line and tell-tale hole for leakage 1). IN With pressure relief valve and drain line With anti-cavitation valve and tell-tale hole for leakage 1). With out drain line IN Technical data 3.1 General Main characteristics Description, value, unit Mounting attitude Mounting method right (CW), left (ACW), or bidirectional (viewed from the shaft end) IN and OUT = service ports, D = external drain port Hydraulic fluid HLP mineral oils to DIN 51524 Part 2 Minimum fluid cleanliness Viscosity grades Viscosity...

3.2 Geometric displacement (the operating data apply for mineral oils at 42 mm2/s 1) For continuous operation at maximum operating pressure 2) Theoretical value at maximum operating pressures 100-P-000162-EN-02 /06.2016 Internal Gear Motors QXM-Mobile

100-P-000162-EN-02 /06.2016 Internal Gear Motors QXM-Mobile

Tell-tale hole for leakage 4.5 Optional: second shaft seal and tell-tale hole for leakage (only possible for size 2) Sealing version for ultra-high protection against external leakage. Tell-tale hole for leakage Primary radial shaft seal ring Secondary radial shaft seal ring 100-P-000162-EN-02 /06.2016 Internal Gear Motors QXM-Mobile

5.1 Model code WICHTIG: Below listed individual variants can not all be combined. Discuss yourchoices before ordering with your advisor of Bucher Hydraulics. 5.2 Minimum order quantity The manufacturing processes for the internal gear motors series QXM12- and QXM22-mobile are aligned to the most modern methods for the large-scale production. That we can integrate yourordereconomically in this manufacturing process, we need a minimum order of 300 motors per year in lot sizes of min. 45 pieces. 100-P-000162-EN-02 /06.2016 Internal Gear Motors QXM-Mobile

6 Notes on operation 6.1 Temperature and viscosity The temperature of the fluid in the system should not exceed 100 °C. At operating temperature, the viscosity of the hydraulic fluid must not be less than 10mm2/s, and when starting the motor it must not be more than 4000 mm2/s. The motor must not be put under load until the operating viscosity has been reached. 6.2 Cold starting Much of the damage to hydraulic motors happens in the first few minutes after a cold start. To ensure the long service life of the motor, it is particularly important that it is not subjected to pressures > 100 bar...

in1o.kl@bucherhydraulics.com www.bucherhydraulics.com © 2015 by Bucher Hydraulics GmbH, D-79771 Klettgau All rights reserved. Data is provided for the purpose of product description only, and must not be construed as warranted characteristics in the legal sense. The information does not relieve users from the duty of conducting their own evaluations and tests. Because the products are subject to continual improvement, we reserve the right to amend the product specifications contained in this catalogue. Classification: 420.245.000.200 100-P-000162-EN-02 /06.2016 Internal Gear Motors...