Vacuum casting

Vacuum casting is the ideal technique for small, high-quality series. For vacuum casting we use silicone moulds so that mould investment is limited. The maximum size that L-stin offers through vacuum casting, is the size of a car bumper.

How does vacuum casting work?

Vacuum casting - Step 1: We make a quality master model through 3D printing.

Step 1

We make a quality master model through 3D printing.

Vacuum casting - Step 2: We place this master model, provided with runners and sprue, in formwork. We fill the formwork with silicone.

Step 2

We place this master model, provided with runners and sprue, in formwork. We fill the formwork with silicone.

Vacuum casting - Step 3: After the silicone has cured, we cut open the silicone mould and remove the master model.

Step 3

After the silicone has cured, we cut open the silicone mould and remove the master model.

Vacuum casting - Step 4: We place the silicone mould in a vacuum cabinet. Under full vacuum we fill the mould with a PUR mixture.

Step 4

We place the silicone mould in a vacuum cabinet. Under full vacuum we fill the mould with a PUR mixture.

Vacuum casting - Step 5: We place the mould in an oven so that the product can fully harden.

Step 5

We place the mould in an oven so that the product can fully harden.

Vacuum casting - Step 6: When it has cooled down, we open the mould and remove the product. We cut off the runners and the sprue. Depending on the required degree of completion we sand, prime and lacquer the product.

Step 6

When it has cooled down, we open the mould and remove the product. We cut off the runners and the sprue. Depending on the required degree of completion we sand, prime and lacquer the product.