NextDent Cast

NextDent Cast is an easy burn out 3D printing material, residue-free and suited for all kinds of purposes. Whether you need a support structure, a frame or orthodontic devices. Simply design and print making use of our castable material and the investment material that is recommended. Casting the parts in the metal you require.

Accuracy Tips

In order to achieve good accuracy with Cast it is important to follow the part setup instructions below for orientation and supports. Some other key tips are as follows:

  1. Highly-textured surfaces will accumulate many unnecessary supports when auto-generating supports. Be sure to erase contact points so that support pillars do not fuse together and break the RPD when supports being removed.
  2. Use tweezers to remove supports if necessary
  3. If parts are failing to adhere to supports, increase Pillar Top Ratio to 0.25. 
  4. Verify proper cleaning method. Insure cleaning solvents are not saturated and parts are allowed to dry before post cure.

Orientation

Orient part with at least one cross bar parallel to XY-plane of the grid on 3DSprint™. In general, the part should appear flat to prevent supports from being on fitted side of the part. Thus, it may be necessary to be off parallel with the cross bar to get a more flat part. In addition, the fitted side of the part should not have supports.

Cast-Fig-1.jpg

Figure 1. Front view of cast model with rear bar parallel to XY-plane and fitted side facing away from the grid on the 3SDPrint XY-plane.

 

Add Supports

Add supports to the part using the Create Supports function under the Smart Supports icon. Look at the supports and determine how they may need to be modified. The supports should not be on the fitted surface.

Cast-fig-2.jpg

Figure 2. Isotropic view of supported cast model with rear bar parallel to XY-plane. Note no supports reside on fitted (top) surface.

 

If the part has a rough surface due to the scanned patient model, some supports may need to be removed. A rough or textured surface should always have the support nodes evaluated before printing. Too many supports can break or damage the part during support removal.

cast-fig-3-1.jpg cast-fig-3-2.jpg

Figure 4. The images show a better supported cast model. The right image shows the excess nodes removed from the textured area.