dÜrr wheel painting conference 2019...24.10.2019 3 • founded in 1897 as sheet metal work • a...
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DÜRR
Wheel Painting
Conference 2019
Martin Huthoefer (Area Sales Manager)
23.10.2019
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24.10.2019 2
Gema Switzerland GmbH
40 years of experience in electrostatic powder coating with leading
edge technology and wide product range.
。
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324.10.2019
• Founded in 1897 as sheet metal work
• A world leader in powder coating technology since '60s
• Since April 2012 Gema part of Graco
(Industrial Equipment Segment)
• 7 affiliate companies in CN, DE, FR, IT, JP, UK, USA, (IN)
• Approx. 400 employees worldwide
• Agencies and sales offices in more than 60 countries
• Worldwide service on spot available
Gema Switzerland GmbH
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424.10.2019
Gema
Germany
Gema
Italy
Gema
France
Gema
UK
Gema
US
Gema
Mexico
Gema
China
Gema
Japan
Gema
Distribution(Switzerland)
CUSTOMERS
Marketing
Research and Development
Engineering
Customers's Lab
Procurement
Manufacturing
Quality Control
Accounting
Finance
Controlling
Gema Headquarters - Switzerland
CUSTOMERS
Gema – Global Organization
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5© 2018 by Gema Switzerland GmbH - All rights reserved.
Strong Worldwide Presence
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● Protection against scratches
● Impact resistance
● UV protection
● Resistance against solvents, oils and fuels
● Optimum of corrosion protection
● Longer attractive surface
● Better for the environment
● Recovery of overspray => More efficiency24.10.2019 6
Why Powder Coating on alloy wheels?
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24.10.2019 7
The Wheel Parts – Increasingly difficult
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● Various Wheel Coating Solutions
● One result a perfect surface
24.10.2019 8
Wheel Coating by GEMA
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24.10.2019 9
Wheel Coating, Manual – Job Coating
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24.10.2019 10
Wheel Coating Vertical
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24.10.2019 11
GEMA Wheel Coating – Higher Capacity
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1224.10.2019
Gun layout
Guns for top coating
Guns for tire seat
Guns for bottom coatingSynchronized
Typical wheel system layout by GEMA - Evolution
Plastic Booth up to 8 Meters
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1324.10.2019
Gun layout / Reciprocators
Guns for top coating
Fixed Guns for tire seat
Synchronized Guns for bottom coating
Typical wheel system layout by GEMA - Evolution
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1424.10.2019
AZO Sieve with single hopper for single color application
Typical wheel system layout by GEMA - Evolution
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The next Level
24.10.2019 15
GEMA - Wheel Coating - Evolution
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24.10.2019 16
Wheel Coating Floor Conveyor
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● Cyclone
● Double Powder Center
● Top Guns only fresh Powder
● Short booth design 4 m
● Big Bag fresh powder supply
GEMA - Wheel Coating - Evolution
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24.10.2019 18
● Gun arrangement on synchro axis
● For top, side and bottom
● Height adjustable from bottom
GEMA - Wheel Coating - Evolution
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24.10.2019 19
GEMA - Wheel Coating - Evolution
Coating of 2 wheels at the same time
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24.10.2019 20
GEMA - Evolution– Optimized Air Flow
Area of lowest Airspeed for ideal coating condition
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24.10.2019 21
GEMA - Evolution– Optimized Cleaning
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2224.10.2019
GEMA - Wheel Coating - Evolution
● All guns adjustable
● All guns Synchronized
● Higher Automatization Level
● More Data Collection
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24.10.2019 23
GEMA - Wheel Coating - Evolution
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2424.10.2019
GEMA - Wheel Coating - Evolution
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24.10.2019 25
Application Key Components by GEMA
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24.10.2019 26
GEMA AP01 OptiSpray Application Pump
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24.10.2019 27
OptiFlow IG07
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● Technical :
o 135° injector or Application Pump
o Double Hopper or OptiCenter for quality improvement (top = fresh / bottom = recovery)
o UltraSonic Sieve for improved powder handling
o Cyclone for improvement of powder quality and Color Change
24.10.2019 28
GEMA Design Recommendations
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● Application :
o Design Speed up to max 8 m/min with 2 wheels parallel
o Faster line speeds only after testing => More stations
o Powder needs time to settle on the wheel, at 8 m/min with 30 rpm the first 2 turns limited powder adhesion
o Fresh powder for top guns for top quality
24.10.2019 29
GEMA Design Recommendations
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Thank you very
much for your
time.