Making of Keys (Prepare Stepped Keyed Fitting and Test Jobs) | NIMI | DIGITAL | TAMIL |

Описание: NIMI – Government of India brings you a practical, skill-enhancing video tutorial on the Making of Keys, with a special focus on preparing stepped keyed fittings and conducting accurate test jobs.

This hands-on session is crafted for fitters, machinists, and ITI trainees, highlighting essential mechanical practices and techniques vital for secure and precise component assembly.

Time stamp

00.- Title & Introduction
00.24 - Objectives
00.58 - Tools & materials
01.38 - preparation of part 1
04.50 - preparation of part 2
07.01 - preparation of part 3
08.39 - Recap

🎯 Practical Demonstrations Include:
🔹 Marking and shaping of keys using appropriate hand tools
🔹 Stepwise preparation of stepped keyways on shafts and hubs
🔹 Correct fitting techniques to ensure snug and secure assemblies
🔹 Use of measuring instruments to verify tolerances and alignment
🔹 Testing the keyed fit for smooth operation and proper torque transmission

📌 Why This Skill Is Essential:
Keys are critical in transmitting motion and power between rotating parts. Mastering the stepped keyed fitting ensures accuracy, strength, and reliability in mechanical assemblies like gears, pulleys, and couplings.

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