ISO turning insert nomenclature – simplified

ISO turning insert nomenclature – a simple rule to remember

Inserts, those SMALL things that we use to cut material, have a BIG impact on our shop’s profitability. It makes sense to know ISO turning insert nomenclature. Here is a quick explanation that makes it easy to remember insert names.

Inserts are known by an ISO naming convention that describes their shape and size. Each alphabet and number in the name signifies an aspect of the insert’s shape or size. E.g., the first alphabet is the shape, while the last two numbers are the nose radius.

ISO turning insert nomenclature - explanation
Insert shapes in ISO turning insert nomenclature
Inserts box showing ISO turning insert nomenclature
Insert name on a box
Pic. source: Sandvik

Action point

If you decide the tooling (e.g., if you are a programmer, process planner or industrial engineer), you have to know the naming convention thoroughly, as well as the logic behind selecting the shape and size of an insert.

If you’re a big shot, just learn the meaning of the parameters marked in red in the above picture, to impress the gang with your knowledge of ISO turning insert nomenclature.

Text and pics. source: CADEM NCyclopedia multimedia CNC training software.

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Lost baggage at airports – where does it end up?

I saw this sad sight on the baggage carousel in Bangalore airport recently. A suitcase handle that had got detached from its parent bag, and was going round and round on its own.

I read recently that worldwide, 3 Cr. (30 million ) bags are lost every year. Of these, 95 % are retrieved by airlines and returned to their owners, which means they were just misdirected (sent to the wrong destination – the passenger going one way and the baggage another), while 5 % are actually lost. The causes: Not loaded on your aircraft at all, tagging error, someone else taking away your bag thinking its his/hers, mishandling on arrival (like being put on the wrong baggage carousal)..

So what happens if your bag is among the 5 % that are lost forever ? You get a compensation, and the bag ends up unclaimed in some airport. Its contents are either auctioned off (here’s the auction site of IGI Airport, New Delhi) or given to charity.

What’s worse than having your bag disappear into the airline system ? Getting it, but after one of these happens to it:
– In 2010, a waste pipe burst in London’s Heathrow airport, burying 240 suitcases in human waste.
– Bags on the tarmac in an airport in the US were soaked in jet fuel.
– Some bags caught fire in an airport (again in the US) because they were placed too close to the engine after unloading.