technology - skf

SKF Capital Markets Day Technology

• Group Technology development • GBLM - Generalized Bearing Life Model

• SKF Smartifying Industry / Industry 4.0

• The customer is in charge – application driven

innovation

• Summary

Agenda

© SKF Group 2 November, 2015 Slide 3 2 November, 2015 Slide 3

GBLM

Generalized Bearing Life Model

© SKF Group

Bearing Life Calculation journey… B

ea

rin

g life

kn

ow

led

ge

1938

1947

1985

2012

Weibull’s

weakest

link theory

Lundberg & Palmgren

Dynamic capacity

Ioannides & Harris

Fatique limit model

Bearing surface

life model

2013 SKF Generalized

Bearing Life Model

SKF Insight

Bearing Health

Management

SKF Insight

Time

2015

2 November, 2015 Slide 4

SKF GBLM

© SKF Group

SKF Generalized Bearing Life Model


Surface: Tribology models

Sub-Surface: Hertzian Rolling Contact Fatigue

subsurface surface

bssssssGM ppRfRCfL ),,(),( 2110

internal

geometry

load rating

limiting speed

steel

composition

surface finish heat treatment

contamination resistance

wear resistance

coatings lubrication

reduced vibration

longer service life

lower noise

reduced friction

reduced vibration

corrosion resistance

© SKF Group

GBLM Calculation


on

GBLM benefits:

• Separates surface from

subsurface and use advanced

tribological models for surface

reliability modelling

• Provides unique representation

to specific surface features and

quality

• For the first time, gives indication

of the risk area of the bearing

with the SR parameter

SKF Generalized Bearing Life Model

© SKF Group

Conclusions


• The GBLM is built on the strength of the current Modified Rating

bearing model of SKF and ISO 281 but adds more flexibility and new

knowledge.

• GBLM allows the user to clearly separate surface from subsurface

risks and failure modes.

• GBLM introduces “performance factors” that can reflect special

design features of SKF bearings and can target specific region of the

operating conditions

• GBLM surface tribology model allows SKF together with our

INSIGHT bearing sensor technology to manage active the machine

health and to extend the real life

© SKF Group

Traditional condition monitoring

Con

ditio

n

Operational Life

Condition Monitoring

No Damage


No Damage No Damage

First sign

of damage Damage degradation

Listen & Feel

Bearing

failure

© SKF Group

SKF Insight™ – enabling SKF Bearing Health Management C

on

ditio

n

Operational Life

Insight Bearing health Management

Abnormal

conditions but

No damage


Good condition

No damage

Good condition

No damage

Good condition

No damage Good condition

No damage

First sign

of damage

Bearing

failure

acti

on

Abnormal

conditions but

No damage

acti

on

Extended usage

SKF Smartifying Industry

Industrie 4.0

© SKF Group

Industry 4.0 for SKF


• What is SKF view on the German „Industrie 4.0”

• Revolution or Evolution?

• What happens in SKF technology

• Standardization in manufacturing

• SKF production system

• Standard machines & controllers with intranet connection

• 3D product design model as core for all processes

• Paper free digital production processes

• SKF – Smartifying Industry examples

• Super flexible manufacturing for medium and low volume

• MOST – Mobile Operator Support Tool

• Big Data Analytics

© SKF Group

Super Flexible production channels

• Concept with automatic CNC resetting and robot handling

• Multi tasking CNC machine concept

• Full flexible digital production flow


Example

© SKF Group

SMARTIFYING INDUSTRY

Mobility for

smarter work

Indoor Positioning

for more automation

Real-time for

quicker issue

resolving

Mobile Operator Support Tool

Going mobile at SKF: MOST

https://www.youtube.com/watch?v=KRHIFLDTa68

© SKF Group

Big Data Analytics


SKF Remote Diagnostic Centres are currently monitoring < 2000 wind-turbines A simple calculation: 2000 WT x 2 MB / Day x 365 x 20 years = 29,2 TB only from wind turbines

SKF Quality Technology: full tracebility ~ 1 MB / Bearing

technology - skf

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