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Insert ISO nomenclature - the details, and what's important

By Niraj M Wanikar, Chief Editor, CNCTimes.com, 2016-04-01 13:59:00

This blog is written by Dasarathi GV, Director-Applications, Cadem Technologies Pvt. Ltd. 
Cadem makes software products for:
1. Cycle time reduction, CNC programming for CNC turning and milling
2. CNC machine monitoring and DNC
3. CNC skill development and education.

CNC

Inserts ISO nomenclature – what’s important, and what’s not

insert-nomenclature-key-parameters

To cut metal profitably, there are in fact only 3 parameters that you really need to understand to select the right insert for your application. These are the numbers marked in red in the above example. The others, like the insert shape and cutting edge length, are automatically decided based on the holder that you are using. In the table below, you have to use your brain only in selecting the parameters where there is a brain in the row.

insert-selection-key-parameters

This document has the details of each parameter in the name.

More (actually prior) reading
Positive, Negative inserts
Insert coatings – simple explanation

 

Etc

Colaba – the tail of Mumbai city

Some time back I stayed in a hotel in Colaba in Mumbai, very close to the Gateway of India, at the southernmost tip of Mumbai.

Thankfully the hotel was about a km. from the touristy part of Colaba, and I got to see the view towards the Gateway instead of the ‘from the Gateway’ view that I would have seen as a regular tourist. I went camera-mad and got these pictures, mostly at dawn.

cadem-cnc-machining-colaba2 cadem-cnc-machining-colaba3

cadem-cnc-machining-colaba6 cadem-cnc-machining-colaba5

The name Colaba is a corruption of the original name Kolabhat, meaning a Koli village in the Koli dialect (a variant of Marathi). The Kolis, mostly fisherfolk, were the original inhabitants of the group of 7 islands now known as Mumbai. The name Mumbai itself is derived from Mumbadevi, the patron goddess of the Kolis.

cadem-cnc-machining-colaba1 cadem-cnc-machining-colaba4

Looking at the boats tethered to the shallow sea bed, I wondered how come nobody ever stole any of those expensive speedboats. Must be easy to just start one of them and drive (is that even the right word for moving a boat – I wonder what is the right word ?) it off to some neighbouring town, and nobody would ever know. Good thing I can’t swim and barely know the front end of a boat from the back (I only recently learnt that they’re called fore and aft respectively) – might have been tempted to steal one of those posh boats otherwise.

 

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