us6357922b1 - lubrication system for high speed

High Speed Grease

High performance grease with high speed index for high speed applications operating in low temperatures Offers low starting resistance at low temperatures Berulub KR EP 2 has excellent consistency temperature behaviour and provides long life lubrication by reducing friction and wear of the contacting surface

US2303168A

US6357922B1 (en) 2002-03-19: Lubrication system for high speed antifriction bearings DE10212808B4 (en) 2004-07-29: Separator US4037890A (en) 1977-07-26: Vertical type antifriction bearing device CN101390275B (en) 2012-04-18: Bearing device for main electric motor for vehicle

Studies on tribology

If the critical speed becomes lower than half the rated speed oil whip may occur This will limit the maximum output of a generator The item (1) shows however it is possible to operate a long rotor of a low critical speed at any high speed without the possibility of oil whip

Detailed Information on Types of Bearing Lubrication

A smaller percentage may be specified for a high speed low torque application while a much higher fill may be advisable for a low speed high load application Grease Speed Rating Greases have speed ratings sometimes called "DN" ratings The calculation for the "DN" of an application is as follows: Speed in rpm x (bearing ID + bearing

Air Lubrication Technology

Apr 01 2019Mitsubishi Air Lubrication System (MALS) was one of the first commercial air lubrication systems developed in the marine industry by the Japanese Shipbuilder Mitsubishi Heavy Industries (MHI) based on research developed since the 1980s in Japan The MALS is a patented air lubrication system using the BDR method

7 Lubrication of Bearings

The lubrication methods available for bearings on a machine tool include grease lubrication oil mist lubrication air-oil lubrication and jet lubrication Each method has unique advantages Therefore a lubricating system should be selected that best suits the lubrication requirements Tables 7 1 and 7 2 summarize the features of various

High Speed Spindles

IBAG high speed spindles use the most advanced bearing technology available today including hybrid ceramic angular contact ball bearings with advanced micro oil-air bearing lubrication systems To enable peak bearing performance IBAG spindles utilize through-race lubrication as well as extensive oil evacuation methods

Bearings for high speed operations

The example in the diagram figure 6 shows a comparison of bearings for a high speed internal grinding spindle At a speed of 40 000 r/min the radial stiffness of a particular hybrid bearing has been reduced to 70 % of the static stiffness while for a comparable bearing with steel balls the stiffness has been reduced to

Plant Engineering

Jun 10 2016Oil-mist lubrication Oil-mist lubrication systems are used in high-speed continuous-operation applications This system permits close control of the amount of lubricant reaching the bearings The oil may be metered atomized by compressed air and mixed with air or it may be picked up from a reservoir using a Venturi effect

The Three Mistakes of Bearing Lubrication

Lubrication serves a primary purpose which is to create a thin layer of lubricant between rolling and sliding elements that reduces friction So it makes sense that the best way to determine the lubrication requirement of a machine is to monitor friction levels – not time in service

Lubrication of Gears

Sometimes for maintenance reasons a grease lubricant is used even with high speed Table 13 1 presents lubricants methods and their applicable ranges of speed Grease lubrication can be applied in low speed / low load applications however it is important to apply grease periodically especially for gears of the open-type usage

Lubrication of ball bearings

T he suitability for very high speeds of modern high-speed greases allows the increasing use of application-friendly and economical advantages of grease lubrication Operating requirements which exceed the performance of lubricating greases provide oil-lubricated bearings with maximum service life in the highest speed and temperature ranges

TPC Handpiece Cleaning Lubrication System 3 High Speed

The TPC Dental Products Handpiece Lubrication System is a compact high speed handpiece lubrication system that supports 3 high speed positions This unique handpiece lubrication system is optimal for high-performing dental practices and is ideal due to its ability to save time its easy operation and its optimal performance

High

Feb 01 2015Lubrication systems for tandem cold rolling mills are mainly classified as either recirculation systems or direct application systems as shown in Fig 1 The differences were described by Semoto and Okamoto (1992) with the historical background Recirculation systems are mainly applied to sheet gauge products while direct application systems are mainly used in high speed rolling mills

High Speed Spindle Design and Construction

Bearing Lubrication is a critical component in the complete high speed spindle system Depending upon bearing size type and speed bearing lubrication may be permanent grease packed or some type of oil system The maintenance of the lubrication system is vital and must be closely monitored to insure that proper bearing conditions are maintained

Bearing Lubrication

This is sometimes called "splash lubrication " Next in complexity are the oil mist and air/oil systems that are designed to provide the exact amount of oil needed for lubrication preventing excess oil that could be churned by the bearing increasing drag and temperature For high-speed applications jetted circulating oil is often necessary

Hull air lubrication: future and challenges

Air lubrication reduces the drag force on the wetted surfaces of the hull due to the lower viscosity of air compared to water Illustration: SSPA Depending on the size of chamber and cruising speed air cavity systems (ACS) are divided into single wave multi-wave and multi-chamber designs Illustration: SSPA

Industrial fans

Automatic lubrication systems Single-line lubrication systems Dual-line lubrication systems Multi-line lubrication systems Progressive lubrication systems Oil circulation lubrication systems Oil and air lubrication systems Minimal quantity lubrication systems Chain lubrication Solutions for special applications Crane lubrication

Replacing Bronze Bearings with CIP Composites

CIP Composites are self-lubricated minimizing the concerns with lubrication systems specifically in high load slow speed or oscillating applications CIP Composites eliminate noisy stick-slip problems extend operating life and reduces wear making for better operating efficiency

High Flow Inlet Centrifugal Blower

Hoffman Lamson's high capacity line of blowers and exhausters deliver reliable proven performance With capacity ranging from 2 000 to 41 300 CFM (3 400 to 70 100 m 3 /h) these high capacity multistage blowers are optimal for large scale industrial processes and applications such as air and gas

US2303168A

US6357922B1 (en) 2002-03-19: Lubrication system for high speed antifriction bearings DE10212808B4 (en) 2004-07-29: Separator US4037890A (en) 1977-07-26: Vertical type antifriction bearing device CN101390275B (en) 2012-04-18: Bearing device for main electric motor for vehicle

Plant Engineering

Jun 10 2016Oil-mist lubrication Oil-mist lubrication systems are used in high-speed continuous-operation applications This system permits close control of the amount of lubricant reaching the bearings The oil may be metered atomized by compressed air and mixed with air or it may be picked up from a reservoir using a Venturi effect

US4281942A

A lubrication system for the spline connection and generator bearing of a high speed aircraft generator which utilizes a split ring seal and quad o-ring is disclosed The split ring seal retards lubricant flow so that there is an accumulation in the area of the splined connection which prevents wear of the splines The retardation also forces oil to a bearing lubrication hole

Lubrication of Gears

Sometimes for maintenance reasons a grease lubricant is used even with high speed Table 13 1 presents lubricants methods and their applicable ranges of speed Grease lubrication can be applied in low speed / low load applications however it is important to apply grease periodically especially for gears of the open-type usage