Jesco has 3 basic types of High Viscosity Urethane Gear Meter Dispensers. These systems are typically used in automotive glass bonding applications for dispensing High Viscosity (~12 McP) Urethane Adhesives. Similar systems are available for dispensing lower viscosity adhesives and / or sealer materials.

N-2900 Series
N-2900A-AE Series
N-2900B-AE Series

N-2900 Series

• Basic, low cost Gear Meter Dispenser for Manual dispense or less critical Automated dispense applications.
• Precision Tool Steel Gear Pump for Positive Displacement, long life, and low maintenance.
• Gear Pump Specifications:
  --50 cc/rev displacement.
  --5800 psi max outlet pressure.
  --4300 psi max differential
  
• Inline Helical Gear Reducer.
• Permanent Magnet DC Motor with Mag feedback and brake.
• Outlet Pressure Switch for monitoring High and Low pressure conditions.
• Pedestal Mounted Vertical Pump Down metering unit.
• Relay Logic Control Panel with 2 Pin Receptacles for Automation Interface.
  (1) for 120 VAC discrete signals.
  (1) for 0-10 VDC Analog Flow Rate Setpoint.
• Regenerative DC Drive Motor controller.
• 20 ft Hardwired Cables to Metering Unit.
• Manual Flow Rate Adjustment Pot.
• Optional Flow Rate Indicator with Adjustable Alarm Set-points. (TOP)

N-2900A-AE Series

• Electric Servo Driven Gear Meter Dispenser for Robotic Applications.
• Precision Tool Steel Gear Pump like N-2900 Series.
• 50 cc/rev Displacement Pump is Standard.
  70 cc/rev Displacement Pump is Optional.
• Inline Cycloidal Gear Reducer is Compact, High Efficiency, Long Life, High Reliability and Maintenance Free for 4 years.
• Brushless DC Servo Motor provides Reliable, Maintenance Free pump drive and Fast Accel and Decel capability.
• Various Meter Mounting Configurations Available:
  --Robot Arm Mount (for ABB, Fanuc, Kawasaki, Kuka, Nachi)
  --Robot Hip Mount
  --Vertical Pump Down Pedestal
  --Vertical Pump Up Pedestal
  --Horizontal Pedestal Mounts.
• Flush Sensing Pressure Transducers at Inlet and Outlet of Metering Unit for Monitoring and Display of Pressures.
• 50 cc Systems Flow Rate Range: 6 min. to 122 max. in³/min continuous.
• 70 cc Systems Flow Rate Range: 8 min. to 171 max. in³/min continuous.
• System Designed to Operate over the following Range of Conditions:
  --100 – 5800 psi Inlet Pressure.
  --0 – 5800 psi Outlet Pressure.
  --2000 psi max Continuous.
  --4000 psi max Momentary
  
• Relay Logic Control Panel with 2 Pin Receptacles for Interface to the Robot.
  (1) for 0 – 10 VDC Analog Flow Rate Signal.
  (1) for Discrete Signals, Available in 120 VAC or 24 VDC, with or without Isolation Relays.
• 50 ft single ended Pin Connected Cables to Metering Unit is Standard. Double Ended Pin Connected Cables and Longer lengths are Optional.
• Continuous Flex Rated Cables Provided for Arm and Hip Mounted Units as Standard. Heavy-Duty Continuous Flex (Super Flex) Rated Cables are Optional.
• Volume and Flow Rate Indicator with High and Low Adjustable Alarms is Optional.
• Torque Monitor Display with Adjustable Alarm is Optional.
• Outlet Low Pressure Adjustable Alarm is Optional.
• Brushless DC Servo Drive provides Accurate and Repeatable Speed (Flow) Regulation and Momentary 200% Peak Motor Torque for Fast Accel and Decel Capability. It Provides Constant and Repeatable Flow Rates Even Against Variable Loads such as Changes in Material Viscosity or System Pressures. (TOP)
  

N-2900B-AE Series

• Servo Driven Gear Meter Dispenser for Robotic Applications.
• Same as N-2900A-AE Series Features, except for the following.
• PLC Control Panel with AB SLC 5/04 PLC is Standard. Other Processors / PLC types are Optional.
• Includes “DeviceNet” Network for Dispenser I/O Device Fieldbus and Robot Interface purposes as Standard.
• AB “Remote I/O” Network for Robot Interface and Equipment and/or Process Data Reporting is Optional.
• Pin Receptacles for Discrete and Analog Robot Interface Signals are Optional.
• AB “Data Highway” Network Capability for Remote Programming of PLC and/or Equipment and Process Data Reporting is Standard.
• Ethernet Network Capability is Optional.
• Includes a 6” Color Touchscreen for HMI / MMI Functionality, Diagnostics and Access to Adjustable Machine Parameters as Standard.
• Includes Digital Sinusoidal PWM type Servo Drive Amplifier. Digital Drive simplifies Set-ups and Servo Tuning. Sinusoidal PWM Drive Output is more Efficient and provides Better Motor Characteristics.
• Volume and Flow Rate Indicator with High and Low Adjustable Alarms is Standard.
• Torque Monitor Display with Adjustable Alarm is Standard.
• Outlet Low Pressure Adjustable Alarm is Standard. (TOP)