Double Belt Systems

Double-belt presses with circulating belts make it possible to implement continuous production processes. Continuous production methods enable you to boost production capacity whilst at the same time achieving lower energy consumption.  Pressing, heating and cooling are achieved in a single production step.

Even products from single belt conveyors can often be produced more economically and better on a double belt system. For example, double belt presses can be used to either heat or cool both sides of the product simultaneously. Boards, for instance, can be manufactured with both greater precision and density.

Double belt presses are suitable for the production of board and sheeting:

• mineral materials (engineered stone, solid surface)
• special plastics (e.g. PMMA) single and multi-ply composites
• fibre reinforced thermoplastics (FRTP)
• glass-fibre-reinforced board products (GRP)

Double belt presses also offer a solution for products with special properties, such as:

• high density,
• special surface finishes special surface textures, and
• flexible dimensions

Are you perhaps looking to replace a discontinuous batch process by a continuous process for the first time (conversion to endless production)? Or are you intending to switch from a simple belt conveyor to a double belt press? On the other hand, maybe you already have a double belt press in service and wish to increase its production capacity?

Berndorf Band Engineering is THE experienced partner for you when it comes to the development, construction and commissioning of an advanced double belt press or expanding the capacity of an existing system.

Our services:

Custom calculation of the press design in accordance with your own process parameters:

• dwell time in the heating section = conveyor speed
• temperatures in the heating and/or cooling sections 
• press pressure 
• calibration gap of press rollers vertical adjustment = distance between both belts

On the basis of these data, we can implement the system for you, from design of the machinery to installation and commissioning.

Optional expansion to optimize your production process:

• Development of upstream feeder systems, such as: 
  • continuous feeder systems 
  • extruders, feed pipes or dies doctor blade feed devices with/without sieve
  • mixing units
    
• Development of downstream processing components, such as: 
  • continuous transport 
  • crushers 
  • cutting and trimming tools
    

Technical details:

• Implementation as a roller or sliding table system depending on the necessary pressure inside the press. 
• Optimal control of belt tracking thanks to our bernmatic® belt tracking and tensioning system. This also makes it possible to use a continuous process to make products with fine production tolerances that could previously only be achieved with a discontinuous (batch) process. Our bernmatic® belt tracking and tensioning system is a standard feature of all our double belt presses.  
• Thanks to our close cooperation with our parent company Berndorf Band, we are able to achieve synergies between steel belt systems and steel belts.

Your benefits:

• You are able to achieve greater production capacity. 
• You save energy in your production due to more efficient cooling and heating processes. 
• You benefit from competitive advantages due to improved product characteristics and more economic production.

Successful users:

Please ask for our list of references 

These are just some of the products where Berndorf Band Engineering double belt presses play a key role in production:

• skis  
• special laminates 
• insulation materials and insulation boards 
• engineered stone

Find out more in our success stories.

Principle Sketch of a Double Belt System

More....