The Sandvik Coromant 490R GC1030 right-hand carbide indexable milling insert has a square shape, is available with a PL, ML, PM, MM, or PH chipbreaker, and provides a balance of resistance to shock and wear for light, medium, or heavy machining of steel in average machining conditions. A combination of carbide and a thin coating of titanium aluminum nitride (TiAlN) and titanium nitride (TiN) applied through physical vapor deposition (PVD) performs well when tool is unstable, such as in short engagements, long overhangs, and when there is a risk of chip jamming. In general, coatings extend insert life and provide better wear resistance than uncoated inserts. Inserts with PVD coatings maintain a sharper cutting edge than those with chemical vapor deposition (CVD) coatings. This positive insert is used with the CoroMill 490, a screw-style insert holding system for square shoulder and face milling. The chipbreakers available with this insert provide a range of edge performances. The light-machining PL, medium-machining PM, and heavy-machining PH chipbreakers come with an M edge performance type for highest security. The light-machining ML and the medium-machining MM chipbreakers come with an E edge performance type for highest sharpness and precision. The square shape provides strong cutting edges and has slightly crowned edges to improve cutting accuracy. The insert has a hole in the center, four cutting edges, and a 15-degree clearance angle. Milling inserts are coded according to their specific cutting and application capability (e.g., 490R-08T308M-PL). Each section of the code represents details of the insert: compatible toolholder series, hand, size, insert thickness, corner radius, edge performance, and chipbreaker style. Insert shapes and sizes may have different inscribed circle (iC) measurements, which relate to ranges of cutting depths, speeds, lead angles, and feed rates. The iC is the largest circle that can be drawn within the edges of the insert shape. Generally, as the insert size and the iC become larger, the maximum cutting depth increases. Cutting depth influences the metal removal rate, the number of cuts, chip evacuation efficiency, and power required when using the insert. Indexable inserts are small cutting tools designed to remove material in external and internal cutting applications such as turning, milling, drilling, and grooving. They are held by an insert holder, have multiple cutting edges, and can be rotated when one edge wears down. Multiple inserts can accomplish a variety of cuts in one operation. An insert is either positive or negative, which refers to the rake or clearance angle at which the insert removes material. Sandvik Coromant produces tools for turning, milling, and drilling. Headquartered in Sweden and represented in 130 countries, the company manufactures tools used throughout the metalworking field, including the automotive and aerospace, die and mold, and general engineering industries. Matching Inserts to Holders These inserts are used with the Sandvik Coromant CoroMill 490, a screw-style insert holding system. This system is the best choice for square shoulder milling and face milling at low depths of cut. When used with the CoroMill 490, this insert has 90-degree lead angle that gives a gradual entry into the cut and directs most of the cutting forces radially in the direction of the feed.
- Maximum cut depth: 0.217 inches
- Used with the Sandvik Coromant CoroMill 490 for light-, medium-, or heavy-machining face and square shoulder milling on steel in average machining conditions
- GC1030 grade is a physical vapor deposition (PVD) coating of titanium aluminum nitride (TiAlN) and titanium nitride (TiN) over carbide that provides a balance of resistance to shock and wear and performs well when the tool may be unstable
- Choice of light-machining (PL or ML), medium-machining (PM or MM), or heavy-machining (PH) chipbreaker to help prevent chip buildup
- Square shape has strong cutting edges
- Four slightly crowned edges improve cutting accuracy
Brand: Sandvik Coromant
Product ID: 1117168713321576
Product Dimensions: 4cm x 4cm x 1.1cm
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