The use of frequency converters Bosch Rexroth VFC and EFC in a packaging machine

Packing Machine: Description and Features

The packing machine (mechanical) is designed for wrapping consumer packages such as glass bottles, PET bottles, cans, boxes, and other products with heat-shrinkable polymer film around the entire perimeter. This is done to group packages into transport containers. The method of joining packing film is implemented through heat sealing (TEN) in accordance with GOST 16299-78 standards.

Operational Features of the Packing Machine

  • Manual loading of products
  • Welding and cutting of film with an electronic knife
  • Wrapping of products
  • Use of ribbed TENs that are blown in the heat-shrink chamber
  • Smooth adjustment and automatic maintenance of the set temperature in the heat-shrink chamber
  • All parts have anti-corrosion coating

Description and Operating Principle

  1. Auger Feeder - A chain conveyor that sorts and transports bottles.
  2. Bottle Fixer - Incoming bottles are fixed by a special mechanism.
  3. Capping Mechanism - A device for feeding caps.
  4. Capping Turret - Installation for screwing caps on.
  5. Capping Head - Screws caps on with a special torque.
  6. Central Conveyor - A section for sequential control of the movement of bottles with caps.
  7. Bottle Remover - A rotating machine identifies a good bottle and transfers it to the chain conveyor.
  8. Chain Drive - Ensures quality transportation of bottles.

Functional Requirements

Discrete inputs, analog speed setting via PLC. Requirements for working characteristics include starting torque and speed synchronization.

Competitive Advantages

  • Compact size, saving space in the control cabinet.
  • High starting torque and speed setting accuracy ensure reliable operation without stops.
  • Regenerative braking function provides effective braking even without a braking resistor.
  • EFC series operates at 45 degrees without loss of power.
  • Improved protective coating with varnish for reliable operation in harsh operating conditions.

Frequency Converter Parameters

Parameter Code Name Set Value Note
b000 Access Settings 2 Additional parameters
C000 Control Mode 1 Vector control SVC
C015 Braking Key Activation Point 660 Operational braking point 660 V
C025 Overvoltage Protection Mode 2 Resistive braking enabled
C101 Auto-Tuning of the Motor 2 Auto-tuning with rotation
C105 Motor Rated Power - Depending on the motor
C107 Motor Rated Current - Depending on the motor
C108 Motor Rated Frequency - Depending on the motor
C109 Rated Rotation Frequency - Depending on the motor
C221 Torque Boost 01 Manual boosting
E000 Frequency Command Source 2 AI1 analog input
E001 Start Command Source 1 Via digital inputs
E008 Max Output Frequency 100 Depending on requirements
E009 Upper Frequency Limit 100 Depending on requirements
E026 Acceleration Time 2 Depending on requirements
E027 Deceleration Time 25 Depending on requirements
E000 Input X1 35 Rotation FORWARD
E101 Input X2 36 Rotation REVERSE
E173 Max Frequency of Analog Curve 1 100 Depending on requirements