1 Single-10 ( ) to 240 cm3/r ( cm3/r) Fixed Displacement Double-20 ( ) to 398 cm3/r ( in3/r) Industrial and Vickers VMQ Vane Pumps . Triple-110 ( ) to 488 cm3/r ( in3/r) Mobile Applications Table of Contents Introduction and Application .. 3. Notes on Installment .. 4. Typical Section Views .. 5. Description .. 6. What is a Vane Pump? .. 6. Operational Recommendations .. 7. Fluid Cleanliness Recommendations .. 8. Hydraulic Fluid Recommendations .. 8. Fluid Selection .. 9. Moments of Inertia and Weights .. 9. Conversion Factors .. 10. Performance Data Industrial .. 12. Mobile .. 13. Sound Data .. 14. Model Code Single and Thru-Drive Pumps .
2 15. Double Pumps .. 16. Triple Pumps .. 17. Output Flow Industrial .. 18. Mobile .. 26. Input Power Industrial .. 34. Mobile .. 42. Single Pumps - Installation Dimensions VMQ1 25 .. 52. VMQ1 35 .. 53. VMQ1 45 .. 54. Thru-Drive Pumps - Installation Dimensions VMQT1 25T .. 55. VMQT1 35T .. 57. VMQT1 45T .. 58. Pumps Rear Mount/Coupling Details VMQ1 35T/45T .. 59. Selection of Pumps for Mounting on Thru-Drive Models .. 61. Double Pumps - Installation Dimensions VMQ2 2525 .. 62. VMQ2 3525 .. 63. VMQ2 4525 .. 64. VMQ2 4535 .. 65. Triple Pumps - Installation Dimensions VMQ3 352525 .. 66. VMQ3 453525 .. 67. Shaft Options.
3 68. Theoretical Permissible Equivalent Radial Load .. 71. Spline Data .. 73. Torque Loading .. 74. Water Glycol Guidelines .. 74. Pressure & Operating Temperature .. 74. 2 eaton Vickers VMQ series Vane Pumps V-PUVN-TM001-E5 February 2009. Introduction Performance eaton 's Vickers VMQ Pumps Increased power density Common inlet allowing for VMQ series meet global SAE and ISO stan- dards. Three single-pump and fewer ports and reducing the cost of redundant hose and three thru-drive frame sizes are fittings. available in 20 displacements, Twenty-two displacements ranging from 10 cm3/r ( in3/r) allow selection of the best to 240 cm3/r ( in3/r).
4 Four flow output for optimum use double-pump configurations of energy. offer combined displacements from 20 cm3/r ( in3/r) up Interchangeable cartridges to 398 cm3/r ( in3/r). Two between single, thru-drive, triple-pump configurations can double and triple Pumps , sim- combine displacements from plify cartridge selection and 110 cm3/r ( in3/r) to 488 reduce inventory. cm3/r ( in3/r). High volumetric efficiencies, Continuous outlet pressure rat- which increases productivity ings reach 293 bar (4250 psi), and reduces energy and oper- with permissible peak pressures ating costs. up to 310 bar (4500 psi). Compatible with a wide vari- ety of fluids, including fire resistant and biodegradable Features and Benefits fluids.
5 Hydraulically balanced design Shaft seal options: single seal (no internal radial forces) design for dry mount appli- gives almost limitless shaft cations, or double seal design and bearing life. for fluid separation in wet The latest state-of-the-art Vickers VMQ fixed displacement Extremely low noise levels mount applications such as enhance operator comfort. gearboxes or where lubri- vane Pumps from eaton set new standards of performance and Shafts easily handle maxi- cant is always present. (Wet efficiency for both industrial and mobile applications. The new mount applications extend mum pressures, ensuring VMQ series features design enhancements in all areas, result- exceptionally long shaft life.)
6 Shaft life.). ing in a unique combination of higher pressure capabilities and Unique bi-metallic wafer plate outstanding low noise levels. allows for cold start-ups. Applications Vickers VMQ Pumps provide continuous pressure ratings up Efficient design means Oil and Gas Pumps perform under to 293 bar (4250 psi) for the 25 frame size and displacements Metal Cutting the harshest speed, tem- up to 488 cm3/r ( in3/r) with the triple pump version. In perature and cyclical loading Dump Truck addition, further reductions in noise levels of an intrinsically conditions. Wheel Loader quiet design offer real possibilities in traditional internal gear Removable cartridges, usually Plastic Injection Molding pump applications.
7 With pump in-line, facilitate maintenance or flow changes. The highly seizure-resistant surface of the bronze wafer plate is particularly forgiving in cold start-up applications. eaton Vickers VMQ series Vane Pumps V-PUVN-TM001-E5 February 2009 3. Notes on Installment Pump Characteristics pump instability could occur. Mounting Pad Accessory Pilot Diameter If unloading pump at rates Drives Minimum Speed Concentricity of the customer's over 5,171 bar/sec (75,000 A splined shaft is recommended female pilot diameter relative to Minimum recommended start- psig/sec), make sure inlet ing speed, under fluid conditions on applications where the pump the effective axis of the female pressure does not fall below shaft is coupled directly into a drive must be within 0,10 mm stated on page 7, is bar (12 psi) absolute.
8 Generally 600 r/min. However, transmission or gearbox. Spline ( in.) total indicator reading. the pump size, system charac- Drive Alignment drives should be lubricated. The clearance between the male teristics and environmental con- Concentricity and angular align- The possibility of interference and female pilot diameters must ditions can raise or lower this ment of shafts are important between the shaft and transmis- be +0,01 to +0,05 mm (+ speed. A lower speed can often to pump life. Misalignment can sion splines, due to tolerance to + in.). be achieved after the pump has induce heavy loads on bear- stack-up, can exist.
9 Mounting Face primed. ings, causing premature failure. To reduce this possibility, side The customer's mounting face If low starting or operating Flexible coupling halves must tooth spline fits should be used. to which the pump or motor is speeds are required, consult be aligned according to the A side tooth fit and short length affixed must be square to the your eaton Hydraulics represen- coupling manufacturer's recom- of engagement permits more axis of the female drive within tative. mendations. flexibility and less tendency for 0,0381 mm per mm ( Rated Pressure Universal Joints side loading than does a major inch per inch).
10 Diameter fit spline or long spline Pumps should not be operated When using double universal Shafts engagement. As a general rule, at or near rated pressures at idle joint couplings, the shafts must Dimensions of keyed shaft the minimum spline engagement speeds for extended periods. be parallel and the yokes must receivers must be between should not be less than 85%. Localized overheating and dam- be in line. The offset should +0,003 and +0,03 mm (+ of the spline pitch diameter to age can result. be kept as low as possible. and + in.) of the maxi- ensure maximum shaft torque Maximum allowable offset will, mum shaft diameter shown on Never assume Pumps in a rating.