Long-term cost reductions through the use of a hot runner system |

Resources, plastic granulate included, become ever more valuable. With the use of a cold runner system there are inevitably high costs due to the unusable sprue. It is precisely these costs that must be avoided for more efficient production. Using a hot runner system saves on the cost of the unusable material. You can use our sprue cost calculator to calculate how much material costs could be saved in the injection moulding process.

Sprue cost calculator

Sprue weight in g*

Shot count*

Material price in € per kg*

You will save {{$ctrl.result}} euros in material costs by using a hot runner system instead of a cold runner system. Other factors not taken into account in this calculation also influence overall costs.

*Required field

*Only positive numbers

Other advantages of a hot runner system

Scarcity of raw materials and price increases in plastic granulate impact considerably on efficiency in production. By using a hot runner system, decisive application advantages can be achieved that have a positive impact on productivity. Although hot runners are often associated with higher procurement costs, there are many other technical and financial aspects that make them preferable to cold runners.

Technical perspective

Shorter cycle times, as sprues usually have to cool down for longer
Reduced loss of pressure
Improved holding pressure effect
Positive impact on shrinkage and warping
Injection from the inside possible
Potential to use stack moulds

Financial perspective

No sorting of runners required
No storage of runners required
No regranulation required
Less space required for the same production volume

Further information

If the advantages of a hot runner system outweigh the disadvantages for you, contact us and send us an enquiry. Our team is at your service. Alternatively you can also test our configurator for standardised hot runner systems.

Hot runner mould Hot runner service

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Long-term cost reductions through the use of a hot runner system

Sprue cost calculator