RESEARCH PAPER
Increasing of Energy Efficiency of Spindles with Fluid Bearings
1
Chernihiv National University of Technology, Mechanical Engineering Department, 95 Shevchenko Street, Chernihiv, Ukraine
Submission date: 2015-10-05
Acceptance date: 2017-09-18
Online publication date: 2017-10-07
Publication date: 2017-09-01
Acta Mechanica et Automatica 2017;11(3):204-209
KEYWORDS
Energy EfficiencyPower LossesHybrid Fluid BearingSpindleMachine ToolLow Viscosity LubricationCorrosion Protection
ABSTRACT
Promising ways of energy efficiency gain of spindles with fluid flow bearings are offered. New design of journal hybrid flow bearing which contains spherical bearing pockets and adjustable valves with relay control system is offered to improve energy efficiency of spindle units of machine tools. To reduce power losses of fluid bearings at high speed special lubrication based on water with integrated system of corrosion protection is offered. Results of theoretical research of energy consumption of grinding machine tool with a new design of spindle hybrid bearings are presented. Power losses of the spindle unit with both new design and base design of journal bearings are assessed. Effectiveness of new design of spindle hybrid bearings at high operating speeds is shown.
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| eISSN: | 2300-5319 |
| ISSN: | 1898-4088 |
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