Extrusion applications are used for applying both flat lines (also known as non-profiled or type 1 markings) and profiled markings (also known as structures or type 2 markings).
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Based on the material you are using (thermoplastic or 2 component cold plastic), Borum extrusion equipment can apply different lines and types of markings.
Read more below.
Thermoplastic extruder equipment
Line types: Flat and profiled lines, profiled markings such as long flex, edge flex and chess markings
Equipment: Consists of an insulated screw pump that takes the heated material from the material tank to the extruder head
- The extruder head is available in 3 different sizes giving the max total width of the line: 30 cm, 40 cm or 50 cm
- The extruder head is fitted with a number of shutters for making lines as requested; standard shutters of 5 cm width (E.g. 6 shutters of 5 cm for the 30 cm head)
- Shutters of other sizes than the 5 cm are delivered by special orders.
- Depending on choice of head the extruder is capable of applying widths of 5 cm to 50 cm in width
- Multiple lines can be made simultaneously with the extruder (e.g. double lines)
- Line thickness is usually between 2-4 mm (ribs/profiles can be up to 10 mm, depending on material)
- Usual working speed is 2-10 km/h depending on the conditions, e.g. material, line type and operator experience
- Effective heating of all significant parts of the extruder ensures the material does not stiffen and set inside the equipment
- Continuous circulation of the material inside the extruder ensures a homogeneous viscosity and prevents settling of sand/glass beads
- Built-in pressure regulating system ensures uniform line width and thickness, even when making broken and solid lines at the same time
2 component cold plastic extruder 98:2
Line types: Flat and profiled lines (continuous and interrupted lines), ribs
- The equipment for 2-component extrusion consists of a pump unit for the paint and hardener, that ensures the 98:2 ratio, a mixer for blending the paint and the hardener, and pressure valves for controlling the flow.
- There is one extruder head for each specific line width. Available sizes are 10, 12, 15, 17, 20, 22, 24, 25, 30 cm
- Quick connectors to the mixer and to the lifting cylinder for quick and easy exchange of head
- Alarm from the LineMaster when hardener does not flow during marking work
- Alarm when there is a break in the marking works, which is longer than set in the LineMaster.
- Line thickness usually around 1-3 mm (ribs/profiles can be up to 10 mm, depending on material)
- Recommended material viscosity for flat line extrusion is > 6500 cp and for ribs > 8500 cp.
- Usual marking speed is between 2 - 6 km/h depending on the conditions, e.g. material, line type and operator experience
- The cleaning process is an automated preset sequence ensuring the correct valves are opening/closing. The system is activated via the Borum LineMaster computer.
- For all Borum spray machines, the equipment is mounted on a sliding retainer frame as standard that allows you to quickly slide the equipment from one side to another
- The sliding retainer frame can be used for all Borum 2-component equipment, which makes switching equipment easy and quick.
- Optional: Depending on the configuration, the system can handle working with both 2-component cold plastic and cold paint