The variable pitch parameter in SolidWorks refers to the height calculated based on the pitch of the set number of turns and the diameter of the current turn.
When creating internal threads (threaded holes) in SolidWorks, it is recommended to use the irregular hole feature. This approach ensures that the thread representation on engineering drawings meets the required standards and allows for direct annotation.
For external threads (such as threaded rods), you can model a cylinder using the thread’s nominal diameter and then apply a decorative thread line. This method ensures that the thread depiction on engineering drawings complies with standards, though you will need to manually replace the diameter symbol (Φ) with the letter “M”.
Understanding Pitch:
Pitch is defined as the axial distance between two adjacent teeth along the pitch line of a thread.
In model airplanes, the pitch of a propeller refers to the distance the propeller moves forward in the air during one full revolution.
In physics, when a charged particle enters a uniform magnetic field B at a velocity v forming an angle θ with the field, it follows a helical path. The distance traveled by the particle during one complete rotation in the magnetic field is called the pitch (h), calculated as:
h = (2πmv cos θ) / (qB)
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