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Hägglunds in the Sugar industry
Hägglunds has been working
with hydraulic drives for more
than 40 years. Today you will
find our compact, efficient and
reliable drives operating in a
wide range of applications all
over the world.
A leading world-wide supplier of tough hydraulic drives
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A complete Hägglunds drive systemModular system for easy customisation
Power Unit.
Hydraulic motor.
Driven application.
Control system.
Electric motor.
Hydraulic pump.
Piping.
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HYDRAULIC DRIVE SYSTEM FEATURES
• Full torque at zero to maximum speed• Full speed variation • Higher Efficiency - No Gears• Space saving • No Foundation• Low Moment of Inertia – Quick Response• Complete System from one supplier• Easy Installation & Low Maintenance• Very High Reliability
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WHY WE NEED VARIABLE SPEED?
• Variable Cane Supply• Different variety of Cane• Variation in Fiber
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Comparison - Hydraulic & Electro-mechanical
0
20
40
60
80
100
120
140
160
180
200
0 20 40 60 80 100 120 140 1600
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40
60
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100
120
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0 20 40 60 80 100 120 140 160
Speed %
Torque %
Hydraulic Drive Electro-mechanical
Continuous Continuous
Overload Overload
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A COMPARISON
• Full torque at any speed gives advantages in milling efficiency:– Higher Extraction
– Lower Moisture
– Lower POL
– Lower Power Consumption
• High controllability• Full speed variation• Quick Response to keep mill always loaded
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Space Saving
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SUGAR MILLING CONCEPTS
• Independent Roller Drive• Assist Drive
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Features for improved performance
• High reliability
• Full torque from zero to maximum speed
• Low inertia- more reliable operations
• Unlimited number of starts, stops and reversals
• Easy installation and a minimum of maintenance
• Weight and space saving
Tough and reliable drive solutions for demanding applications
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INDEPENDENT ROLLER DRIVE
• Improving performance Each mill roll can be controlled independently, thereby better crushing performance
• All gears are eliminatedNo external forces
• Full controllability Minimized power requirement
Maximum Controlability
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Modular design – customised solutions
• Easing step by step invest-ments as demands increaseVersatile and modular drives engineered for use in severe environments
• Increased performanceDrives providing excellent controllability and reliability
• Space saving Save building and foundation cost
Top Roller Drives
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ASSIST DRIVES
• Minimised investmentsLess investment for higher throughput performance
• Improving performance Feed roller can be controlled independently, thereby better crushing performance
• Saving space and weight Small and compact motors with the highest power-to-weight ratio available
Re-powering by upto 100%
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Optimising operating conditions
• Excellent controllabilityThe feeder rollers are driven independently from the same mill
• Ideal throughput and best extractionThe excellent controllability enables related cane load and adjusted feed to the mill
• Space and weight saving Motors with the best power-to-weight ratio available
Pressure Feeder Drives
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US Sugar Corporation Worlds largest mill tandem
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Worlds largest mill tandem USSC
• 6 Mills• 56” x 100” rollers• 24 pc MB 4000• 26 000 TCD (C-
Tandem)• Total 40 000 TCD
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AUSTRALIA
INDIA
INDONESIA
MEXICO
COLOMBIA
VENEZUELA
COSTA RICAGUATEMALA
CHINA
THAILAND
USA
SOUTH AFRICA
VIETNAM
REUNION
PHILIPPINES
NICARAGUA
ARGENTINA
BRAZIL
Reference map Cane Sugar
PERU