Korkeakangas laserhybridihitsaus

Copyright 2015 © Pemamek Oy Ltd
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Laser Hybrid Welding Date: 24.5.2017
Author: Niko Korkeakangas
LASER HYBRID WELDING
Mr. Niko Korkeakangas
Pemamek Ltd.
•Turku Science Park Oy
24.5.2017
TEEMANA METALLIT

PEMAMEK LTD.
• Located in Loimaa, Finland
• Established in 1970 – over 45 years
of experience in heavy automation
• Own personnel +170
• Net yearly sales 50 MUSD
• Exports over 95 % of annual production
• Modern facility, complete size of 20 000 m² (215,000 sq ft)
• Privately owned limited company with solid finances
• Customer-oriented engineering
• Partnerships with world leading companies in the industry,
e.g. Lincoln Electric and Yaskawa Motoman

Sao Paulo,
Brazil
Houston, USA
St. Petersburg,
Russia
Warsaw, Poland
Loimaa,
Finland
• Operates globally
close to its customers
• Sales offices in USA, Brazil,
Poland and Russia
• Over 15 000 deliveries,
to over 50 countries
PEMAMEK LTD.

SHIPBUILDIN
G
WIND
POWER
MOBILE
MACHINERY
STEEL STRUCTURE
MANUFACTURING
HEAVY
FABRICATIO
N
OIL & GAS
AND PROCESS
INDUSTRIAL
BOILERS
PEMAMEK BUSINESS LINES

PEMA
SOLUTIONS
MATERIAL
HANDLING
SPECIAL
SOLUTIONS POSITIONERS,
COLUMN&BOOMS,
ROLLERBEDS
ROBOTICS
PRODUCTION
LINES

Key hole
Welding direction
Melt pool
Metal vapor
Optical head with cross jet
Shielding gas MAG
Laser Hybrid Arc Welding
16kW fiber Laser

PEMA ONE SIDE WELDING STATION WITH LASER HYBRID WELDING

Laser hybrid welding in ship building
•less heat distortion and rework as straightening
•Improved quality with highly automated Pema equipment
•Significantly higher productivity level,
less than 40min from seam to seam
Straight panels after welding

Video

1. Welding monitoring
2. Environment
monitoring
3. Line manager –
operating control
4. WeldControl 100
5. Operating panel
6. Process camera
Operators environment, control cabinet
1. 2. 3. 4.
5.
6.

• Touch screen integrated operation
control system is used for operative
control of main devices on the line
• Navigation between pages is done
by touching the symbols within
navigation bar on the left side of the
screen or specified area on layout
Line Manager

Panel data
Line Manager
• Data Manager is used to control
data concerning plates on process
• Panel data can be imported from
planning system or it can be
manually input plate by plate
• automated control of process and
parameters according to plate /
panel sizes

-Quality groove with high productivity, Adaptive milling
-long tool life
-Alarms for tool maintenance
Groove preparation, Milling

• WPS control panel
• All welding parameters are
controlled through one screen
• Line Manager is calling parameters
from WC 100 database
• User access control levels for weld
engineers, service and operators
PEMA Weld Control 100

Lincoln Observer software
-Real-time welding values directly from
power source
Weld cameras
Weld Monitoring

Weld piece recording and root inspection and monitoring equipment

Error report, Shape and process parameters and location of the error
High root ~2,8mm

Optical head and beam quality

Hardness, related to carbon Hardness deviation on weld
Mechanical properties of Laser hybrid welded panels

Welding speed and Carbon content

Submerged arc welded seam, with crown grain size
8mm plate, 1,9kJ/mm, impact 15J (FL+2, -20 C)
Microstructure
and impact values
Laser hybrid weld, 20mm plate, HV5 273, impact 50J, base
material impact 115J, welding speed 1,0m/min, LHAW heat
input 0,88kJ/mm

• Material range A, AH, DH*
• Thickness range with one run 4-25 mm
• Welding speed range 1.2 -2.5 m/min
• Milling speed 2-9 m/min
• Plate and panel handling ~10 min/seam
 Capacity 20-40min/ 20m seam
Figures
4 mm LHAW 25 mm LHAW + 2 x Tandem Mag

4 mm
• Process LHAW
• Welding speed 2.5 m/min
• Laser power 4.2 kW
• Heat input 0.12 kJ/mm

6 mm
• Process LHAW
• Heat input 0.18 kJ/mm
• Process SAW
• Heat input 1,45 kJ/mm
5 mm

• Process LHAW + tandem MAG
16 mm
16 mm

20 mm
• Process LHAW + 2 x tandem MAG

25 mm
• Process LHAW + 2 x tandem MAG

LET’S MAKE MORE,
TOGETHER.
@PEMAWELDING

Korkeakangas laserhybridihitsaus

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