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What is a Sweep Pattern? Applications, Advantages and Limitations

🔗 Types of Patterns Used for Casting What is a Sweep Pattern? A sweep pattern is a type of pattern used in casting processes , particularly...

What is a Sweep Pattern? Applications, Advantages and Limitations

sweep pattern


🔗Types of Patterns Used for Casting


What is a Sweep Pattern?

A sweep pattern is a type of pattern used in casting processes, particularly for producing cylindrical or tubular parts. A complete pattern is not necessary to make this symmetrical shape. A sweep pattern combines a simple pattern and a sweeping motion on the central axis. The sweep pattern consists of a sweep board, often made of wood or metal, which represents the desired cross-sectional shape of the casting, and a spindle that guides the sweeping motion.

Diffusion Pump Maintenance

Diffusion Pump Maintenance


Diffusion Pump Maintenance

Caring for a diffusion pump involves periodically changing the working fluid, cleaning internal components, and troubleshooting issues to maximise uptime. Establishing maintenance routines is essential for safety and performance.

Types of Diffusion Pumps

Types of Diffusion Pumps

There are a few main types of working fluids used in diffusion pumps. The choice of working fluid determines the operating temperature range, ultimate vacuum level, and suitability for different applications.


Most modern diffusion pumps use a specialised high molecular weight oil as the working fluid that generates the high-velocity vapour jet. 


Diffusion Pump Applications, Advantages and Disadvantages

Diffusion pump applications


🔗What is diffusion pump? How it works?


Diffusion Pump Applications

Diffusion pumps are well suited for generating stable high vacuums across various industrial and research applications. They excel when very high gas volumes need to be handled without contamination. From large industrial coaters to small university labs, the versatility of oil diffusion pumps makes them a pragmatic choice for quickly generating stable high vacuums.

Working of Diffusion Pump

diffusion pump


What Is a Diffusion Pump?

A diffusion pump is a high-vacuum pump that operates without moving parts using a high-velocity vapour jet to transfer momentum to gas molecules and expel them from a vacuum chamber. This momentum transfer mechanism enables vacuum levels as high as 10-7 to 10-9 torr.

Addition And Subtraction of Vectors

Addition And Subtraction of Vectors


🔗Types of Vectors


Addition of Vectors

The addition of vectors refers to mathematically combining multiple vectors to determine a resultant vector. Adding individual vector quantities is essential for analyzing forces, accelerations, and other physics concepts.

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