Kolli

Kolli

Introduction

Kolli is an automated feasibility analysis for tubes and profiles that are processed on CNC bending machines. It is the result of 30 years of continuous improvement and refinement. With the Kolli software framework 3R offers not only a computerized feasibility analysis with generation of CNC data, but also a construction platform for tube geometries, for processing on modern tube bending machines. For precise monitoring and support of the fabrication process the entire bending operation is simulated and tested for collisions.

Features

Isometric Drawing
Isometric Drawing

Kolli simulates the bending process of a tube geometry on one or more virtual bending machines. In case of interference or collision during the bending sequence the software independently searches for solutions. In addition the user can intervene manually at any time and adjust the bending process. The search for a suitable bending sequence is dependent on the machine type. The more complex the bending machine is (e.g. right / left bending machines with multiple heads and levels), the more options are taken into account for testing.

Kolli supports both simple mandrel bending machines as well as modern right- and left-bending machines with multiple bending heads and levels. In addition to standard mandrel bending with bending die Kolli also simulates roller and induction bending.

Isometric Drawing

Bending Simulation

If the bending simulation of a tube geometry results in a collision of the pipe with the machine, the ground or something else, Kolli checks one or more of these possibilities in an attempt to find a solution that does not result in a collision:
Isometric Drawing
Isometric Drawing

Generating CNC Data

Kolli considers all relevant machine, tool, and material-specific parameters when generating CNC data. It calculates the precise cutting length, considering the tube’s springback, the reduction in traction lengths caused by overbending and the bend’s radius increase, as well as the material stretching inside the bend.

Interfaces

A continuously growing number of interfaces enables the import and export of data. These interfaces allow the control of CNC bending machines as well as the import of tube geometries from third-party systems, ike measuring systems or CAD platforms.
Isometric Drawing
Isometric Drawing

Machine and Tool Editor

With the Machine Editor users can easily create a virtual model of their machine and its environment. The Tool Editor creates a virtual image of the bending tools, which is used with the model of the bending machine in the simulation.

Material Manager

The Material Manager administers the material-specific properties of the tubes, bars and profiles. Especially in unit production of tubes it is essential to achieve a precise bending result on first try. Using the Material Manager empirically derived data can be collected and recorded easily. The recorded information serves the fitting accuracy of the pipelines to be bent, and the generation of CNC data.
Isometric Drawing
Isometric Drawing

Automatic Testing of Multiple Pipelines on Different Machines

The Kolli framework can automatically test a large number of pipes on different machines and tool combinations. For every pipe Kolli automatically finds the right machine and tool. The entire simulation of all pipelines can be evaluated statistically.

Bending with Flanges

Some bending machines are capable of bending pipes with flanges. Depending on the clamping device Kolli calculates the relative rotation of the flanges against each other (flange welding machine) as well as the rotation before the first bend in order to ensure the correct position of the first flange after bending has been completed.
Isometric Drawing
Isometric Drawing

Cycle Times

For each tube geometry Kolli determines a machine-dependent theoretical cycle time. This way the speed and efficiency of several machines can be compared directly.