Having a good quality geometry is essential in building a proper mesh for a successful CAE analysis. Low-quality geometry will need additional manual efforts to repair defects in the pre-processing stage and the mesh quality can be compromised. Moldex3D CADdoctor is a useful tool that supports data translation among multi-CAD systems and fixes geometric errors from different file conversions. Here are 3 easy steps in CADdoctor to help you check and fix common errors of your CAD model: Step 1: After importing the geometry into Designer, click Step 2: The main working panel on the left has two sections: the upper section lists all the detected defects, and the lower section contains the basic repair tools ( Step 3: Second, click Step 4: Click Auto Heal icon will then become modified geometry back to Designer by clicking Note: Click on the remaining defects, CADdoctor will locate them and suggest corresponding fix tools below the working panel.
Concrete block making machine is a professional production of concrete products brick making and molding equipment, It usually consists of hopper, mixer, vibrating table and forming mold and other components. The operator puts the concrete raw materials into the hopper, the mixer mixes the raw materials evenly, and then vibrates the concrete through the vibrating table, and forms it into the shape of blocks with the help of the forming mold. Finally, after a certain period of curing, the concrete blocks can be taken out of the molding machine for subsequent processing and use. According to the size of the output to choose different models of block molding machine, according to the scale of investment can be selected from simple type, optimized type, selected type, semi-automatic configuration, fully automatic configuration and other block molding machine brick production line.
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Surface mesh defect: Not using CADdoctor (left) vs. using CADdoctor (right)
 to review the geometry quality. Under Geometry Defect Checks, click CADdoctor and select Yes in the following window. CADdoctor will be launched and the model will be imported automatically.
). First, click
 to Check the geometry defects and the results will be listed in the table.
 Auto Stitch to fix adjacent vertexes and curves with distance smaller than the user-defined tolerance. The pop-up window will show the number of free edges before auto-stitch and the tolerance to apply.  Specify a tolerance and click Try; CADdoctor will estimate the number of free edges after stitch. Click Fix to execute stitching if satisfied with the estimated result.
 Auto Heal and OK to further improve geometry quality by repairing more geometry defects. After these three basic steps, a significant improvement can be observed in the defect list (the
 , meaning the model has been improved). User can export the
 .
