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News
Additional M-Class Inserts with 3-D Chip Breakers for MMT Threading Series
September 20, 2005
Mitsubishi Materials Corporation has recently manufactured a total of 31 new types of M-class insert with 3-D chip breakers for the MMT threading series. These new inserts will start to be marketed by Mitsubishi Materials Tools Corporation (President: Osamu Takata, Headquarters: 1-6-1 Yokoami, Sumida-ku, Tokyo).
In June 2005, M-class threading inserts for ISO metric threads were launched into
the market, since then they have enjoyed a good reputation for excellent chip control,
long tool life and burr prevention. Now in addition, the series has been expanded with
a total of 31 new inserts, with types for 60° and 55° partial profile threads,
unified coarse and fine threads, Whitworth screw threads and taper pipe threads.The new M-class inserts with 3-D chip breakers have the following features:
- 1.
- A unique chip breaker geometry ensures good chip control, especially in (3)the latter half of passes of (1)radial infeed type cutting when continuous chips are usually produced and wrap around the work piece.
- 2.
- Mitsubishi Materials Corporation’s unique manufacturing method has achieved a sharp cutting edge that conventional M-class inserts previously had difficulty achieving. The sharp cutting edge prevents burrs on (2)incomplete threads.
- 3.
- A good balance of wear and fracture resistance in combination with the versatile VP15TF grade. This grade is made from a substrate of micro-grain cemented carbide TF15 with MIRACLE VP coating. This makes the new inserts suitable for a wide range of threading applications.
- 4.
- The thread type is moulded on top of the insert for easy recognition.
< Word explanation >
(1)Radial infeed:
(1)Radial infeed:
- A method to cut the work piece perpendicularly to the work piece axis.
- When threading, the work piece entry and exit faces are often chamfered. Cutting of the chamfered faces causes incomplete threads.
- Usually during threading, an insert forms a prescribed thread by re-cutting several times at gradually greater depths. The number of times the tool performs this cut is often referred to as the number of passes. Particularly, in the final pass, the depth of cut is the smallest and therefore the chips tend to be continuous.
- Product name:
- MMT M-class insert with 3-D chip breakers: 31 different types, 1 grade.
- Release date:
- September 20, 2005
- Sales target :
- ¥450 million in the first year
- Standard price:
- MMT16ERA60-S VP15TF ¥1,350 (¥1,420 including tax)
To see all the items for the MMT M-class insert, please go to the following:
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