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Available with us is a precision engineered range of CNC Tool, which is designed for machining metals. Before using it in our final product, these steels are properly heat treated, tempered and nitrated.



Carbide Insert

Carbide Insert


Cutting tool inserts are replaceable attachments for cutting tools that typically contain the actual cutting edge. Cutting tool inserts applications include boring, construction, cutoff and parting, drilling, grooving, hobbing, milling, mining, sawing, shearing and cutting, tapping, threading, turning, and brake rotor turning.

 

Cutting tool inserts can have many different geometries. Round or circular inserts are used in applications such as button mills or in radius groove turning. Some types are adjustable to employ unused edge portions once part of the edge is worn. A diamond insert is a four-sided insert with two acute angles used for material removal. Triangle inserts have a triangular shape; three equal sides and three tips with included angles of 60°. A trigon insert is a three-cornered insert resembling a triangle, but with a modified triangular shape, such as bowed sides or intermediate angles on the sides, to allow for higher included angles at the tips. Square cutting tips have four equal sides. Rectangular inserts have four sides, two of which are longer than the other two. These inserts are often used for grooving, etc., where the short sides contain the actual cutting edge. Rhombic or parallelogram inserts are four-sided, with an angle on the sides for cutting point clearance. A pentagon insert has five equal sides and angles. An octagonal insert has eight sides, typically index able.

 

In addition to inserts that are defined by their geometry, a number of types are differentiated by their tip angles. A ball nose mill is an insert with a hemispheric "ball nose" whose radius is one half of the cutter diameter, useful for machining female semicircles, grooves or radii. A radius tip mill is a straight insert with ground radius on tips, typically for use on milling cutters. In a chamfer tip mill the insert side or ends contain an angled section on tip to produce an angled cut or a chamfered edge on the workpiece, typically attached to milling cutter holders. A dogbone is a two-edged insert with a narrow mounting center and, as the name implies, a broader cutting feature on both ends, often used for grooving. Tip included angles can be 35, 50, 55, 60, 75, 80, 85, 90, 108, 120, and 135 degrees.

 

The Inscribed Circle (I.C.), or the diameter of the circle that fits entirely within the insert geometry generally categorizes insert size. This is used for most indexable inserts, except for rectangular and some parallelogram inserts, where length and width are used. Important specifications for cutting tool inserts include thickness, radius if applicable, and chamfer angle if applicable.

 

 

Application Boring / Parting / Drilling / Grooving / Hobbing / Milling / Cutting / Tapping / Threading / Turning / Shearing.
Geometry Circular / Diamond / Triangle / Trigon / Square / Rectangular / Rhombic / Pentagon / Hex / Octagon / Chamfer Tip Mill / Dogbone
Tip Included Angle 135° 35° / 50° / 55° / 60° / 75° / 80° / 85° / 90° / 108° / 120° /
Features Unground / Indexable / ChipBreaker / Dished
Insert Attachment Screw On / No Hole
Material Carbide / CBN / Cermet / Ceramic / Diamond / HSS / Cobalt
Coating TiN / TiCN / TiAlN / AlTiN / AlO / CrN / ZrN / Diamond / DLC





Threading Insert

Although some threading inserts have only one cutting surface, others have multiple cutters so that when one tooth wears out, work can move to a sharp tooth. The threading insert’s shape determines the number of sides and cutting angles.

 

The V. M. Tools Co. database provides information about many different types of threading inserts. Most are described according to shape.

 

Square threading inserts have square-shaped cutting tips with four equal sides. They are used for precision thread cutting.

 

Rectangular threading inserts have two long sides and short sides. They are used for grooving operations where the short sides contain the actual cutting edge.

 

  • Rhombic threading inserts and parallelogram threading inserts are also four-sided, but have an angle on the sides for cutting point clearance.
  • Pentagon threading inserts have five equal sides and angles for specific types of thread cutting.
  • Hex or hexagonal threading inserts have six sides.
  • Octagon or octagonal threading inserts are eight-sided and typically indexable for complex cutting operations.

 

Other types of threading inserts include ball nose, radius tip, and chamfer tip mills. Dogbone threading inserts are available, too. These two-edged inserts have a narrow mounting center and, as their name implies, a broader cutting feature on both ends. They are often used for grooving.

 

In addition to the included angle of the tip, thread type is a key specification for threading inserts. Thread type refers to the helical structure used to convert between rotational and linear movement. Common types include UNC, UNRC, UNF, UNRF, 8UN, Acme, and Whitworth threads.

 

The insert size is generally categorized by the inscribed circle (I.C.), or the diameter of the circle that fits entirely within the insert geometry. Inscribed circle is used for most indexable inserts, except for rectangular and some parallelogram inserts, where length and width are used.

 

Application Threading
Geometry Circular / Diamond / Triangle / Trigon / Square / Rectangular / Rhombic / Pentagon
Tip Included Angle 35° / 50° / 55° / 60° / 75° / 80° / 85° / 90° / 108° / 120° / 135°
Features Unground / Indexable / ChipBreaker / Dished
Insert Attachment Screw On / No Hole
Material Carbide / CBN / Cermet
Coating TiN / TiCN / TiAlN / AlTiN / AlO / CrN / ZrN / Diamond / DLC



Threading Insert




 



V. M. Tools Co.
Mr. Rishabh Shah (Manager)
55/57, Ground Floor, Nagdevi Cross Lane
Mumbai - 400003, Maharashtra, India


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