Live support chatWorm and Worm Wheel Design, Analysis, and Applications
Credit: 2 PDH
Subject Matter Expert: Jyoti Mukherjee, P.E., DEng, M.S., MBA, PGDBM
In Worm and Worm Wheel Design, Analysis, and Applications, you'll learn ...
- Properties and characteristics of worm gears
- Nomenclatures of worm and worm gear sets as per agma
- Worm and worm wheel set design principles
- Worm gear noise mitigation techniques
Overview
Preview a portion of this course before purchasing it.
Credit: 2 PDH
Length: 23 pages
Worm and worm wheel sets are useful for applications where a high gear ratio is required and when the shaft angle is 90 degrees, similar to bevel gears. Due to a high load carrying capacity at a lower speed, worm gear sets have been widely accepted in industry.
The teeth action in worm and worm wheel sets consists of sliding and rolling actions. A worm is basically a screw shaft which rotates about its own axis giving rotary motion to the worm wheel whose output shaft is at a right angle to the worm input shaft. The sliding and rolling action of the teeth are similar to those of rack and pinion set.
Because of this screw action, a worm gear set is very quiet during operation and vibration free. The speed transmission is very smooth and shock-free. Worms can rotate back and forth causing a smooth worm wheel rotation without any impact loading.
This course is devoted to the design and applications of worm gears and their analysis and properties. The contents of this course will help designers to a great extent in applying design principles for their design efforts. Details of gear classifications as per the American Gear Manufacturers Association (AGMA) will be briefly explained.
Applications, examples, and design discussions will be limited to helical gears that are mostly applied in machine tool applications. For applications such as heavy earth moving equipment, ship engines, automobile transmission, etc. worm gears are found to be very suitable and cost-effective when very high-speed reduction is necessary.
Learning Objectives
Upon completion of this course, participants will be able to:
- Describe the worm-and-worm-wheel arrangement.
- Compare the advantages and disadvantages of worm gears.
- Analyze common worm and worm wheel nomenclature for design calculations.
- Identify gear classifications and worm gear design considerations.
- Describe worm-and-worm-wheel materials and heat-treatment processes.
- Perform design calculations and evaluate the wear rate of a worm and worm wheel.
- Explain the lubrication of a worm and worm wheel.
- Describe gear tooth failure mechanisms.
- Analyze gear forces and stresses.
- Describe the gear-shaft and support-bearing arrangement.
- Explain the causes and mitigation of gear noise.
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 10 questions. PDH credits are not awarded until the course is completed and quiz is passed.
| This course is applicable to professional engineers in: | ||
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Preview a portion of this course before purchasing it.
Credit: 2 PDH
Length: 23 pages
