23 March, 2019

Piston filling machine for pasty products (Jan 2011)

04 January, 2011

A precision dosing posed a problem for a machine manufacturer offering systems for liquid and pasty products. They wanted to improve the dosing precision of their piston filling pumps and to ensure the gentle handling of the products to be dosed.

The inaccuracies of their existing system were due to the poor positioning properties of their conventional pneumatic solution.
The answer was to use a Parker Electro thrust cylinder and decentralised servo drive to enhance precision. The existing pneumatic solution was replaced by an IP 65 electro thrust cylinder driving the pump piston and in combination with a Parker servo drive controller it allowed for extremely delicate and precisely repeatable dosing.
The servo drives arrangement provides complete control of the dosing pump. Via a defined interface and a corresponding fieldbus option card the process was easily integrated into the end customer’s existing control and fieldbus architecture. Alternatively it can be operated independently without an external controller in cost sensitive applications. In addition to considerable construction time savings thanks to a standardised mechanical solution, the mounting time was reduced by several hours due to pre-mounted and customised components.
The flexibility as a result of these improvements and reduced mounting times of this advance machine means the manufacturer has successfully introduce the new model onto the market and as a result their customers are delighted with the outcome, quality production, less waste, less maintenance and of course reduced costs.

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