!9# Sandvik Coromant TNMG 332-MM 1125 GC1125 Grade, PVD Coated, Triangle Shape, MM Chip Breaker, 332 Insert Size, 0.1875" Thickness, 0.0315" Nose Radius Carbide Turning Insert (Pack Of 10)
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Post Date : Mar 27, 2012 21:16:04 |
Usually ships in 4 to 6 weeks
The Sandvik Coromant TNMG GC1125 indexable turning insert with a choice of MM or MF chipbreaker style has a triangle shape with a 60-degree cutting angle, providing a balance of resistance to shock and wear for medium machining to finishing of stainless steel in average machining conditions. This double-sided negative insert has a chip groove on both sides, a hole in the center and six cutting edges. It has strong edges, zero clearance, and is a better choice for external turning than a positive insert. GC1125 is a combination of carbide and a coating of titanium aluminum nitride (TiAlN) and chromium oxide (Cr2O3) applied through physical vapor deposition (PVD), which provides both toughness and hardness for a balance of resistance to shock and wear when turning stainless steel at medium to low cutting speeds. Resistance to thermal shock makes this grade suitable for light interrupted cuts. PVD coatings give the insert longer life and better wear resistance than uncoated inserts, and maintain a sharper cutting edge than those with chemical vapor deposition (CVD) coatings.
The TNMG GC1125 is available with a choice of two types of chipbreakers: MM or MF. The MM chipbreaker is designed for medium machining cutting depths and feed rates. The MF chipbreaker is designed for low cutting depths and feed rates and should be chosen when finish quality is a priority. Tolerance of distance from the base to the tip of the triangle is + or - 0.002” to 0.005”. Tolerance of the theoretical diameter of the insert is + or - 0.002” to 0.005”. 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 TMax P Negative Insert family, which means they can be used with CoroTurn RC, a clamp-style insert holding system. This system is for use when stability and security are essential for productive turning of large components. The system is mostly used for external turning, from roughing to finishing, but also for internal turning.
>>>Sandvik Coromant TNMG 332-MM 1125 GC1125 Grade, PVD Coated, Triangle Shape, MM Chip Breaker, 332 Insert Size, 0.1875" Thickness, 0.0315" Nose Radius Carbide Turning Insert (Pack Of 10) Review !
- Designed for turning operations - from medium machining to finishing - on stainless steel in average machining conditions
- GC1125 grade is a PVD coating of titanium aluminum nitride (TiAlN) and chromium oxide (Cr2O3) over carbide that provides a balance of resistance to shock and wear
- Triangle shape is suitable for light roughing and finishing, and is used when there is limited machine power, a tendency toward vibration, or when either a large or small lead angle is required
- Medium-machining (MM) and finishing (MF) chipbreaker styles reduce buildup of chips at a range of cutting depths and feed rates
- Negative double-sided insert has zero degree clearance and a strong edge for external turning
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