1. Name
Harmit Singh Grewal
Topic
4 Lobe in 5 Lobe Oil Pumps
Objective
Manufacturing Techniques
Heat treating of steel parts
How lobes were cut
2. Advantages and Disadvantages

2. Manufacturing Techniques
Rotors are constructed out of 316L Stainless Steel
Corrosion resistant
Most resistant metal when working in Chloride
Machined slowly due to material
Heated to °C and cooled rapidly

3. Advantages Easy to service and easy to clean High Efficiency
Can handle Solids and liquids
Can operate dry for brief periods of time
Independent of pressure
No pulsating action

4. Disadvantages Requires timings gears Requires two seals
Not effective when using high-viscosity substances
Considerable wear due to metal to metal touching

6. Common Uses Food processing. Beverages. Dairy Produce.
Personal Hygiene Products.
Pharmaceutical.
Biotechnology.
Chemical.
Industrial.
Medium and heavy duty cycles.
Cars, run by the crankshaft

7. Works Cited www.azom.com/details.asp?ArticleID=2382#_Welding

8. In Conclusion High Efficiency Cheaper Can run dry
Very strong materials
Easy to clean
Considerable Wear and Tear
Timing Gears