Recently, I worked on designing a crankshaft model based on an engineering drawing using CAD. This exercise helped me strengthen my understanding of several key mechanical design concepts: • Reading and interpreting technical drawings• Creating parametric sketches and expressions• Modeling complex shaft geometry• Designing crank webs and crank pins• Applying proper fillets for stress reduction• […]
Crankshaft (Alloy Steel – AISI 4140) Read More »
I recently designed and modeled a Pulley Bracket Assembly using Siemens NX as part of my mechanical design practice. The assembly consists of the following components:• U-Bracket (SUS304 Stainless Steel)• Pulley Wheel (Ø50 mm)• Hex Bolt M8 × 40• Deep Groove Bearings (608ZZ – 2 Nos)• Circlip / Retaining Ring• Washers During this project I
🔧 Pulley Bracket Assembly – Mechanical Design Project Read More »
The attached image shows a 3D model of a bush coupling (also called a bushing or resilient pin-and-bush coupling), consisting of two flanges connected by a central shaft with elastomeric bushings that allow limited articulation and absorb shocks. This design is commonly used in truck-trailer fifth wheel systems, pintle hooks, or drawbar couplings to handle
Balancing Force and Flexibility: The Engineering of Modern Bush Couplings Read More »
Cup needle roller bearing assembly (likely a full complement type without a cage), featuring thin cylindrical rollers arranged radially within an outer thin-walled shell, with inner ring details and precise dimensions labeled (e.g., outer diameter around 170mm). This design supports high radial loads in compact spaces, making it suitable for truck and trailer applications like
Drawn Cup Needle Roller Bearings: High-Density Radial Load Solutions Read More »
An Allen bolt, also known as a socket head or Allen head bolt, is a fastener with a hexagonal recess in its head, allowing it to be tightened or loosened using an Allen key or hex wrench. This design provides high torque capability and reliable clamping force, making Allen bolts ideal for applications where strength,
The Power of the Socket Head: Strength and Accessibility in Allen Bolt Design Read More »
This is a spur gear with a solid web, bossed hub and keyed bore, designed to transmit torque between parallel shafts with good strength and alignment. Main features Function and typical use
Bossed Hub Spur Gear: The Component for Reliable Parallel-Shaft Power Transmission Read More »
This is a small, solid spur gear with a keyed bore, likely intended to act as a pinion (the smaller gear) in a spur gear pair on parallel shafts. Main features Function and use
The Pinion Gear: Compact Spur Gear with Keyed Bore for Precise Speed Ratios Read More »
This is a solid spur gear with a keyed hub, used to transmit torque between two parallel shafts with a positive, non-slip connection Visible features Function in a mechanism Design advantages
Spur Gear with Keyed Hub: Achieving Positive Torque Transmission Between Parallel Shafts Read More »
The image shows a 3D model of a flat washer, a common mechanical component widely used in fastening and assembly applications. Description and Design Function and Applications Material and Standards Usage Example This flat washer is a simple yet essential component for achieving reliable, durable, and safe mechanical connections in a wide range of engineering
his model illustrates a manually operated loose fruit collector featuring a rotary combed drum and integrated collection basket, specifically optimized for collecting fruits like oil palm, nuts, or similar items from ground surfaces. Main Features How It Works Advantages Potential Applications and Modifications This concept leverages a rotary sweeping mechanism and targeted collection system to