In this article we sill show you how to drill counterbored screw clearance holes in Siemens NX with Hole command. There are lots of types of standart hole drilling options in Siemens NX and one of them is counterbored screw clearance hole drilling. You can find the articles about other standard size hole drilling commands in Mechanical Base.
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To drill the counterbored screw clearance hole in Siemens NX, click on the Hole command as shown by red arrow above.
After entering to the Hole command, select the Screw Clearance Hole from the pop up menu as shown by red arrow above in Siemens NX.
In Position section shown by red box above, you need to select the face that you want to create the holes on it as shown by red arrow above.
After the face is selected, a special section will be opened. In this section you can select the exact hole locations by putting points with your mouse as shown by red arrows above. If you complete the specification of points, click on Finish from the right-top section to turn back to Hole command.
You can select the direction of your counterbored screw clearance holes from the red box;
Normal To Face: The counterbored screw clearance hole is drilled normal to the selected face.
Along Vector: Also you can select a line or a axis to define the hole’s direction from the drawing scheme in Siemens NX.
You need to select the Counterbored screw clearance hole form as shown by red box above in Siemens NX.
Select the counterbored screw type as shown in red box above such as; Socket Head, Shoulder Screw, Cheese Head, Pan Head, Hex Head etc.
Select a standart screw size from the red box region such as M10, M15 etc. in Siemens NX Hole command.
Select a Fit situation for screw hole such as Close, Normal or Loose. Also you can define it as Custom by yourself according to your mechanical application.
You can select a depth determination method as in red box above in Siemens NX;
Value: You will enter a depth value for the counterbored screw clearance hole.
Until Selected: The depth of counterbored screw clearance hole will be drilled up to selected face or feature in this method.
Until Next: The depth of counterbored screw clearance hole will be drilled up to other feature in it’s extension.
Through Body: The whole body will be drilled.
The depth option will be determined according to this selection;
Cylinder Bottom: Depth will be determined according to cylinder bottom as shown by red arrow.
Cone Tip: Depth will be determined according to cone tip as shown by green arrow.
You can enter a angle value for define the cone tip angle as shown by green arrow above.
You can adjust the chamfering options for counterbored screw clearance hole as shown by green arrow above in Siemens NX. You can enable or disable them.
You can select a counterbored screw clearance hole standard such as ANSI, DIN etc. And you can define a Tolerance value as shown by green arrow above.
Click OK to finish the counterbored screw clearance hole drillin operation.
Hole drilling is very basic as you can see in Siemens NX.
You can find the articles about other standard size hole drilling commands in Mechanical Base.