Screw feed

The product is conveyed to the weighing container by the action of the screws (Archimedean screws), which exert an adequate amount of thrust. As a result, the screw-feed system is used for products that are not very free-flowing.
This feeding mechanism is also ideal for very powdery and fluidized products, since the screws are contained in a fully enclosed housing that prevents any dust from escaping into the surrounding work area.
The feed system can have a single or double screw, depending on the required throughput and the characteristics of the product. Special features such as special mechanical seals also help control and regulate the flow, even with difficult products.
The screw-feed weighers manufactured by the Concetti Group permit excellent weighing precision thanks to the technology that has been used and the high-tech electronic control system that has been developed.
A control display dedicated to the weigher makes it possible to view the weighments and permits online adjustment of the weigher parameters.
The control electronics of the weigher can memorize up to 32 programs dedicated to different products that can be handled.

As a result, the product change operations can be handled rapidly and when the system is part of a complete installation, this feature enables connection to other machines downstream as well as self-adjustments guided by the PLC.
The screw-feed weighers manufactured by the Concetti Group comply with EC safety standards.

OPTIONS

  • Stainless-steel execution for particularly aggressive products.
  • Automatic systems for cleaning parts in contact with the product.
  • Removable screw to facilitate cleaning.
Screw feed weighers easy clean
Screw feed weighers easy clean

Screw feed weighers easy clean
Screw feed weighers


TECHNICAL DATA

  Gross weighers  Net weighers
Weighing range From 5 to 50 kg  From 5 to 50 kg
Rate Up to 300 weighments/h depending on the type of product handled. Up to 1500 weighments/h depending on the type of product handled.
Installed power 7 kW 7 kW
Compressed-air consumption 10 Nl/cycle 10 Nl/cycle


NOTE: The information listed in the chart is strictly indicative and will depend on the specific features of each machine. 

PackExpo2016Las Vegas, Nevada (IL-USA)
September 25-27, 2017
Ippe 2017 Atlanta (GA-USA) 
January 30 - February 1, 2018
 

Concetti Group Worldwide

The Concetti Group is present in over 46 countries with a network of qualified agents who can offer customers the assistance they need for studying appropriate production solutions, technical support, personnel training and the supply of spare parts.

 

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