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2D, 3D and 5-axis Milling – where and how much are they used?

By Niraj M Wanikar, Chief Editor, CNCTimes.com, 2017-01-05 15:17:00

2D, 3D and 5-axis Milling – where and how much are they used?

2d-3d-5-axis-cnc-machining-globe

The vast majority of CNC machines worldwide (95 % or more) are used for 2D milling. This can be milling on vertical or horizontal machining centers.

The rest of the machines, 5 % or less, are used for 3D or 5-axis milling in tool rooms and aerospace companies. 3D milling is typically done on vertical machining centers, and 5-axis milling on 5-axis machining centers.

See this earlier post for what is 2D, 3D and 5-axis milling.

There is a common misconception that 2D miling is ‘low tech’ and 3D and 5-axis milling are ‘high tech’. The fact is that both are high tech (or low tech) in different ways.

2d-3d-cnc-machining-complexity

In 3D and 5-axis milling the part geometry comprises complex 3D surfaces. The variety of operations is small, process planning and tool selection are simple.
In 2D milling the part geometry comprises simple holes and planes. The variety of operations is very large, process planning and tool selection are complex.
The knowledge of machining operations, process planning and tooling required is actually far more in 2D milling.

 

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CNC software

 

Etc

Pigging out on authentic Lebanese food in Bangalore

On a recent visit to Lebanon I fell in love with the food, and felt a craving for it a few weekends ago. I’d heard a lot about a restaurant called Byblos in Bangalore, and decided to land up there for dinner. I went there expecting to find food that was a distant relative of the original Lebanese, but it turned out to be totally authentic. I even saw a Lebanese chef hanging around (unless it was a Punjabi guy palming himself off as Lebanese – they look similar :) ).

byblos1

Lebanese food is an amalgam of Persian, Turkish, Greek and lately French influences. It’s very vegetarian friendly – there’s a big variety of dishes that are actually vegan because they have no dairy products. Most of them are sauteed in olive oil. There is a large variety of meat dishes too, and there is are a couple of types of bread that are like the Indian Roti. The Lebanese are as big consumers of sweets as Indians, and the sweets that are very similar to Indian sweets.

 byblos3 byblos4  byblos2

The restaurant is named after the city of Byblos in Lebanon, a beautiful and old city that is a UNESCO World Heritage site. It is possibly one of the oldest continuously inhabited cities in the world, possibly from 5000 BC.

I overate as usual, and walked out feeling happy because of the quality and quantity of food, and the reasonable bill.

Here’s a good way of dieting:

seafood

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