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News
New Inserts for UC Series
October 17, 2005
Mitsubishi Materials Corporation has recently manufactured additional 7° positive and MA type breaker, negative inserts for the UC5105/UC5115 cast iron turning grades.
With the MA chip breaker negative inserts and the additional 7° positive inserts, a total of 87 new inserts will start to be sold by Mitsubishi Materials Tools Corporation (President: Osamu Takata, Headquarters: 1-6-1 Yokoami, Sumida-ku, Tokyo).
Use of the new All Black Super Even Coating Technology(1) has made it possible
to achieve an advanced level of top surface smoothness and a higher strength of the coating
layers. This technology has promoted the reputation of UC5105/UC5115 grades
in the market for long tool life when turning cast iron. However, there are various machining
applications with UC5105 and UC5115 where vibration occurred and the surface finish of
machined parts deteriorated when machining low rigidity, cast iron parts such as small
diameter shafts and thin walled discs.To deal with such problems, increased sharpness MA chip breaker inserts have been newly added to the UC5105 and UC5115 range. To further overcome these application problems, 7° positive inserts with a chip breaker have also been added, these inserts are suitable for a wide range of machining applications including internal turning of cast iron.
Key features of the negative MA chip breaker inserts in UC5105 and UC5115 grades are as follows.
- 1.
- MA chip breaker
The use of a positive land gives high sharpness to prevent vibration. This leads to an improvement of the surface finish when machining low rigidity, cast iron parts. - 2.
- Cemented carbide substrate
UC5105 has the highest hardness carbide substrate that remains suitable for coating. It helps prevent deformation of the cutting edges during the high structural demands of high-speed machining.
UC5115 has an all-around, extremely tough cemented carbide substrate and achieves a stable cutting edge condition even during heavy interrupted cutting. - 3.
- Coating
Both UC5105 and UC5115 grades have coatings consisting mainly of a wear and fracture resistant nano-fiber titanium carbo nitride(2) layer and a fine-grained, exceptionally wear-resistant and specially heat resistant alumina(3) layer for delivering superior performance during high-speed machining. In addition, the use of the All Black Super Even Coating Technology prevents abnormal damage that conventional inserts often suffer from during the turning of cast iron.
< Word explanation >
(1)All Black Super Even Coating Technology:
(1)All Black Super Even Coating Technology:
- A hybrid surface treatment technology, developed using a combination of Mitsubishi Materials' unique, chemical Even Coating technology and a special mechanical surface treatment. An extremely smooth coating surface can be obtained by using this technology.
- Titanium carbo nitride (TiCN) is a coating material with a higher hardness than titanium nitride (TiN), and it exhibits superior abrasive wear resistance. Nanofiber titanium carbo nitride is a fibrous titanium carbo nitride, coated by using Mitsubishi Materials' micro-structure control technology, and has an excellent balance of wear and fracture resistance.
- Alumina (Al2O3) has high thermal stability properties and is an effective material for increasing wear resistance where cutting temperatures are likely to increase, such as on the top rake face that is constantly in contact with high-temperature chips. This fine-grained, exceptionally wear-resistant alumina also achieves a high coating strength by refining the grain size of the alumina when using Mitsubishi Materials' micro-structure control coating technology.
Additional standard items
- Product name:
- Negative inserts with MA chip breaker in UC5105 / UC5115 grades: 65 items
7° positive inserts with chip breaker in UC5115 grade: 22 items - Release:
- October 17, 2005
- Sales target:
- ¥200 million in the first year
- Standard price:
- Same as existing coated inserts
For details on the product above, please click here.
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