Feeding systems

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Our extensive product range includes a large number of feeding systems with screw diameters from 5 to 130 mm. From very small quantities starting at 5 g per hour up to several tons, a wide range of materials can be precisely fed. The performance of the equipment is particularly evident in the efficient feeding of poorly flowing powders. Both for gravimetric as well as the volumetric feeding, Three-Tec offers the appropriate devices incl. control system.
The sophisticated design allows assembly, disassembly and cleaning of all components in contact with the product in just a few steps and in a very short time. All components in contact with the product consist of stainless steel 1.4404 (AISI 316L) and can therefore be cleaned easily and efficiently with a wide range of liquids and solvents. Automated cleaning systems such as WIP (washing in place), CIP (cleaning in place) or SIP (sterilization in place) are available on request.

Flat-tray feeders
Three-Tec‘s flat-tray feeders guarantee precise volumetric and gravimetric feeding of good to poor-flowing, moist or bridging products with flowabilities of ffc 1 - 5. All flat-tray feeders can be supplemented with a scale and control system at any time and operated as a gravimetric «Loss in Weight» or «Gain in Weight» and as a continuous system, or used for batch filling.
The flat-tray feeders are equipped with easily exchangeable feeding tools. Various feeding tools such as auger, concave or spiral screws facilitate adaptation to the product to be fed.

The two feeder types ZD 5 i6000 and ZD 9 i10000 are also available with integrated load cells instead of the platform scale. The all-in-one solution makes the feeder smaller, lighter (only 5 kg) and easier to handle and thus easier to position.
Due to the low drop height, the feeder has a lower susceptibility to external disturbances such as drafts or vibration. In addition, the resolution of the load cell is considerably better due to the smaller weight of the device.

Twin and single screw feeders
Twin and single screw feeders allow precise volumetric and gravimetric feeding of well-flowing powders, granules, micro-granules, grain, pellets, chips, flakes and short fibers.
All standard feeding units can be upgraded with a scale and weighing electronics and operated as gravimetric «Loss in Weight» or as batch systems. The flat-tray feeders are equipped with easily exchangeable feeding tools. Various feeding tools such as auger, concave or spiral screws facilitate adaptation to the product to be fed. The horizontally rotating bridge breaker prevents the product from bridging and the bulk material thus flows into the feeding screws without interruption. For free-flowing bulk solids units are also available without bridge breaker.
The standard feeding units are available in a type version «Quick Clean» as volumetric or gravimetric version, which are very easy to disassemble and clean.

https://www.three-tec.ch/en/feeding-systems/

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Three-Tec is the specialist for the development and production of feeding systems, extruders and process equipment in process technology. Our family-owned company, now in its second generation, was founded in 2000, employs about 40 people and is based in Seon AG, Switzerland.

We offer our international customers from all demanding industrial sectors a comprehensive range of quality products, rounded off by competent advice and fast, reliable and individual service. Thanks to the in-house development and manufacture of our products, we can offer our customers the highest quality standards and the greatest possible flexibility and are able to develop customized solutions. Our products are Swiss Made: They are developed and manufactured at our site in Seon AG.

Only with the right process, high-quality products and precisely fitting individual parts, the best feeding and extrusion results can be achieved. We offer our customers everything from a single source so that they receive the perfect product for their needs: From development to manufacturing, programming, testing in our test lab, service and support. Most of our devices are developed and produced according to specific requirements of the customers especially fortheir purposes and are unique pieces.

Feeding systems
Our extensive product range includes a large number of feeding systems with screw diameters from 5 to 130 mm. From very small quantities starting at 5 g per hour up to several tons, a wide range of materials can be precisely fed. The performance of the equipment is particularly evident in the efficient feeding of poorly flowing powders. Both for gravimetric as well as the volumetric feeding, Three-Tec offers the appropriate devices incl. control system. The sophisticated design allows assembly, disassembly and cleaning of all components in contact with the product in just a few steps and in a very short time.

Extruders
The extruders from Three-Tec are characterized by a compact design, a high torque and an intuitive operation by means of a touch panel. They are available with various screw diameters from 5 to 100 mm and can process smallest quantities from 0.5 gram as well as large quantities up to 2 tons. Our mini extruders, which we have been developing and producing since 2005, are among the most world‘s smallest devices. Through the compact and user-friendly construction, the total cost per test is significantly lower than for other devices.

Process equipment
In our process equipment range, our customers will find a wide selection of peripheral devices to cover all their needs. All products are manufactured at our site. This allows us to guarantee the highest quality and to respond to customer requests individually and promptly.

Special machinery
Three-Tec develops and manufactures a wide variety of special machinery according to customer requirements. Thanks to our many years of experience, we can find a suitable solution for every requirement.

Test laboratory
In our test laboratory, we offer our customers the perfect environment to carry out tests with their original products and our know-how to achieve the best possible results. The test lab with various equipment can also be rented for process development and feasibility studies or contract manufacturing. The use of the test lab is also possible at short notice as well as via video call.

Globally present
Devices from Three-Tec are used by our customers in more than 35 countries on six continents. Customers from all demanding industries and the research and development sector rely on Three-Tec‘s high-quality devices: Our customers are active in the pharmaceutical industry, medical technology, food industry, cosmetics industry, chemicals and plastics production, building materials industry, power generation, battery production, tobacco industry and recycling industry. In addition, we can count many universities, colleges and testing laboratories among our customers.