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Sandvik Coromant CoroTurn 107 Carbide Turning Insert, VCGX, 35 Degree Diamond, AL Chipbreaker, H10 Grade, Uncoated, VCGX 221-AL, 1/4" iC, 0.0157" Corner Radius (Pack of 10)
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About Sandvik Coromant CoroTurn 107 Carbide Turning
The Sandvik Coromant VCGX H10 indexable turning insert with AL chipbreaker has a 35-degree diamond shape (also called rhombic) and a 7-degree clearance angle, providing a balance of resistance to shock and wear for finishing aluminum in difficult to good machining conditions. This single-sided positive insert has chip grooves on one side, a countersunk hole in the center, and two cutting edges. It has a 7-degree clearance angle for light cutting forces and side clearance, making it better than a negative insert for internal turning. It can also be used for longitudinal turning, profiling, and when there is limited machine power and tendency toward vibration. The insert’s uncoated carbide provides toughness, hardness, and edge sharpness for a balance of resistance to shock and wear. The VCGX H10 has an AL chipbreaker, for finishing at a range of cutting depths and feed rates and provides soft cutting at high cutting speeds. Tolerance of the distance from the outer edge of the inscribed circle to the tip of the diamond is + or - 0.001”. Tolerance of the theoretical diameter of the insert is + or - 0.001”. Insert thickness tolerance is + or - 0.005”. Different insert shapes and sizes may have different inscribed circle (iC) measurements, which are related to the insert’s range of cutting depths, speeds, lead angle, and feed rates. The inscribed circle is the largest circle that can be drawn within the edges of the insert shape. In general, as the insert size and iC become larger, the maximum cutting depth increases. The cutting depth influences the metal removal rate, number of cuts, chip evacuation, 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 be used to 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. Inserts are coded according to their specific cutting and application capability (e.g. VNMG 16 04 04-QM). Each part of the code represents details of the insert shape, nose angle, clearance, tolerance, size, geometry, grade, and chipbreaker style. Sandvik Coromant manufactures tools for turning, milling, and drilling. The company, headquartered in Sweden, makes tools used throughout the metalworking field, including the automotive and aerospace, die and mold, and general engineering industries. Sandvik Coromant inserts meet International Organization for Standardization (ISO) and American National Standards Institute (ANSI) standards. Matching Inserts to Holders These inserts are part of the Sandvik Coromant CoroTurn 107 Positive Insert family, which means they can be used with CoroTurn 107 screw clamping system. The CoroTurn 107 is the first choice system for internal longitudinal turning of small diameters, and is also used for external light roughing to finishing of smaller, slender components.
