In this article we will show you how to obtain standard-sized simple screw clearance hole in parts of Siemens NX. You know that the standard holes are generaly used in machine parts and also simple screw clearance holes are generally used for bolt assemblies in mechanical systems. Siemens NX has a special tool to obtain these standard simple screw clearance holes. We start with the how to drill standard simple screw clearance holes to parts by using Hole command in Siemens NX.
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To drill standard-size simple screw clearance hole to parts in Siemens NX, you need to click on the Hole command as shown by red arrow above.
After entering to the Hole command in Siemens NX, you need to select the Simple screw clearance Hole as shown by blue box above from the pop-up menu.
To drill simple screw clearance holes on Siemens NX parts, select the Simple form from the Form And Dimensions tab as shown by blue box above.
You need to select your standard screw size as shown by blue box in Hole command.
You can select the fit option between hole and the screw clearance from blue box above.
You need to specify your own simple screw clearance hole dimensions in Siemens NX;
Diameter, Start Chamfer, End Chamfer values are adjusted automatically as shown by green boxes above. You need to enter these values of simple screw clearance holes;
Depth: Depth of the simple screw clearance holes as shown by green arrow above.
Tip Angle: The angle of cone o the drilled simple screw clearance hole as shown by blue arrow in Siemens NX.
You can select a Depth Limit method to drill simple holes as shown by green box above:
Value: Enter a depth value for simple screw clearance hole.
Until Selected: It drills the hole up to selected feature.
Until Next: It drills the simple screw clearance hole up to Next feature.
Through Body: It drill the whole body that simple screw clearance hole geometry belongs.
You can adjust the depth of the simple screw clearance hole as shown in green box above;
Cylinder Bottom: 40mm depth will be adjusted according to the cylinder bottom.
Cone Tip: 40mm depth will be adjusted according to the cone tip.
After you done with the adjustments for your simple screw clearance hole driling operation in Siemens NX, click OK or Apply to complete it.
As you can see above, the simple screw clearance holes are obtained with Hole command in Siemens NX.