Moshaddek Hossain

CSWP | CSWA |Mechanical Designer at IIEC | Aspiring Mechanical Engineer | BSc Student | Obsessed with Crafting Precision | Igniting the Future of Automotive Excellence

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Spur Gear Meshing

Moshaddek Hossain
in Assemblies
1 1 Beginner
Spur gear meshing refers to the process by which two spur gears engage with each other to transmit power and motion through their teeth. Spur gears are the most common type of gears, characterized by straight teeth that are parallel to the gear axis and mounted on parallel shafts. Key Points: Contact: When two spur gears mesh, the teeth of one gear (the driving gear) push against the teeth of the other gear (the driven gear), transferring torque and rotational motion. Pitch Point: The point where the teeth of the two gears make contact is called the pitch point. At this point, the linear velocity of both gears is the same, ensuring smooth transmission. Pressure Angle: The angle between the line of action (force transmission line) and the tangent to the pitch circle is called the pressure angle, typically 20° in modern gears. It determines the shape and strength of the teeth. Line of Action: The teeth slide and roll against each other along the line of action during meshing, which ensures continuous contact and minimizes vibration. Backlash: A small amount of clearance between meshing teeth (backlash) is often maintained to prevent jamming and accommodate thermal expansion or misalignment. Spur gear meshing is ideal for low- to medium-speed applications and provides high efficiency and accurate motion transfer, making it widely used in mechanical systems such as gearboxes, clocks, and industrial machinery.
SOLIDWORKS spur gear assemb spur gear solidworks tutorial solidworks
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