Cemented carbide milling cutters classification

Cemented carbide milling cutters can be divided according to the shape of the workpiece and conditions of use: indexable face cemented carbide milling cutters, the symmetric double angle cemented carbide milling cutters, single angle cemented carbide milling cutters, , thread single angle cemented carbide milling cutters, face milling cutters (high speed steel), asymmetric double angle cemented carbide milling cutters, cylindrical cemented carbide milling cutters, double-edged end mills, end mills, shell end mills, triangular blade cemented carbide milling cutters, three sides cemented carbide milling cutters, serrated blade cemented carbide milling cutters, saw blade cemented carbide milling cutters, convex cemented carbide milling cutters, concave cemented carbide milling cutters, slot cemented carbide milling cutters, T-slot cutters, wrong teeth T-shaped slot cutters, semicircle keyway hardcarbide cemented carbide milling cutters, rounded cemented carbide milling cutters, the double rounded cemented carbide milling cutters, cylindrical head screws countersunk hole cutter, forming the carbide milling center hole carbide cutter.

Cemented carbide tools milling introduction

Cemented carbide tools milling through the rotating milling cutter plane, surface, trench, thread and toothed etc..

Metal cutting includes turning, milling, grinding, forming and drilling. The milling characteristics are as follows: ① The intermittent cutting; ② The workpiece is fixed, and milling by rotating the cutter③ milling chip thickness will change.

The cemented carbide tools milling main can be divided into two categories peripheral milling (the blade circumference nose milling - face milling and side milling cutters, etc.) and end milling. Like milling cutters of the end face and the whole body has a cutting edge of the milling tool, can implement two milling.

Cemented Carbide Tools Milling Process

Cemented carbide tools milling completes the metal cutting by rotating the cutting edge of the tool along the workpiece in almost any direction programmable feed motion. This cutting action makes milling become an effective common processing method. Using the constrained path pattern, each cutting edge of the milling tool can be removed a certain number of metals, which makes cutting the formation and chip no longer is of paramount importance. The most common application is milling can be used to generate the plane - face milling, but with the increasing number of 5-axis machining centers and multi-tasking machine tools, other processing methods and surface processing methods has also been considerable development.

Cemented carbide tools milling process types

The parts impact or from the point of view of the tool path, cemented carbide tools milling process types include: face milling, shoulder milling, contour milling, cavity milling, slot milling, milling, thread milling, cutting high feed milling, plunging, ramping milling, helical interpolation milling and circular interpolation milling and trochoidal milling.

Cemented Carbide Tools Milling Definition

Cemented carbide milling tools using the one or more combinations of the following basic milling cutting action: radial, peripheral or axial cutting. Changing the milling method, a milling tool can rotate about a tool axis direction of the feed movement along the cutting action. For example: the face milling cutting action carried out by the combination of a cutting edge, wherein the main use of the cutting action on the periphery, and to a certain extent also with the cutting action of the surface of the milling tool. Milling tool along the workpiece is rotated at right angles to the direction of radial feed. The three edges milling major milling tool milling around the cutting edge. The milling tool is parallel to the rotation about an axis tangential feed. Plunge milling mainly use the tool end face or the end of the cutting edge, and through the axial feed, to perform local milling effect.

How to prevent cemented carbide milling wear?

(l) A reasonable choice the cemented carbide milling cutter blade grades: high toughness, resistance to thermal cracking susceptibility is small and has good heat resistance and wear resistance of the blade material should be used. Example: milling steel, YS30, YS25 grade blade can be used; optional milling cast iron the YD15 grades blade prevent milling cutter wear.

(2) Rational selection of milling parameters: in a certain processing conditions, there is a does not produce the breakage of the safety of the working area, as shown. Select can guarantee the cemented carbide milling cutter working properly to prevent the milling cutter wear the Vc and ƒz safe operating area.

(3) The relative position between the workpiece and cemented carbide milling cutter a reasonable choice: choose the installation location of the face milling cutter wear plays an important role in reducing the face milling. 

Cemented Carbide Broaches Types & Applications

Cemented carbide broaches species may be distinguished by machined surface portion, the structure and use of the broaches.

1.Distinguish cemented carbide broaches by different surface to be machined parts

Surface to be machined parts can be divided into within broaches and outside broaches. More common within broaches and outside broaches: round broaches, spline broaches, broaches Quartet broaches, keyway broaches and outside plane broaches.

2.Distinguish cemented carbide broaches by structures

Cemented carbide broaches are divided into integral broaches, welded broaches, assembly broaches and tipped broaches by structures. Cemented carbide broaches using for processing medium and small size surface are made of overall high-speed steel; Cemented carbide broaches machining large size, complex shape surface are made of assembled structures.

3.Distinguish cemented carbide broaches by different use methods

Cemented carbide broaches use methods can be divided into broaches, push knives and rotary broaches.

The push knives thrust working under. Push knives are mainly used for the correction hardness <HRC45, the amount of deformation <0.1mm machined hole. The push knives structures is similar with broaches, but the fewer number of teeth, the length is short, the front and rear shank portion is relatively simple. The rotary broaches torque acts through the rotational movement of the cutting of the workpiece. 

What is Cemented Carbide Broaches?

Cemented carbide broaches are multi-tooth tools. When broaching, one tooth above the previous one tooth can cut away metal from the workpiece layer by layer, in order to obtain the desired working surface. Cemented carbide broaches efficient multi-tooth tool. Broaching cemented carbide broaches on the changes in the size of the cutter tooth resection allowance broaching tolerance level: IT7 ~~ IT9 surface roughness value: 0.5 ~~ 3.2μm. 

Cemented Carbide Countersinks Introduction

Cemented carbide countersinks are processing tools which drills pointed is cylindrical cone or plane, a countersink cut tapered countersink drill.

Cemented carbide countersinks plane, cylinders, cones, and other surface machining on the end face of the hole. The processed hole machining cylindrical countersunk holes, conical countersunk holes and the end face of the boss, use cemented carbide countersink drill.

Cemented Carbide Counterbore Drill Introduction

Cemented carbide counterbore drill generally used for the hole of the semi-finishing or finishing for hinge or grinding before the expansion of the pre-processing or blank hole, a 3-4 edge with no chisel edge, the rake angle and a rear angle along the cutting edge of a small change in the machining guide effect, the axial resistance is small, the cutting conditions than drilling.

Cemented Carbide Counterbore Drill & Countersinks & Reamers

Cemented carbide counterbore drills are used for the premachining reamer used as a hinge or in front of the grinding hole, such as drilling, casting hole, forging hole and punching expand.Compared with drills, cemented carbide reamers have the following characteristics:

(1) Cemented carbide reamers are used to expand the existing hole, and therefore the cutting edge does not need to extend to the center, no chisel edge, to avoid the adverse impact of the chisel edge of the chips.

(2) The reaming margin is relatively small, shallow chip flutes large thickness center of drills , the high strength of the cutter body, good rigidity, the larger the amount of feed and the cutting can be employed.


(3) Cemented carbide reamers have many teeth. Generally they have 3 to 4 cutters, the oriented is good and cutting smooth.

Drilling & Cemented Carbide Drills

Hole machining is widely used in cutting. drilling can used in hole processing in the solid material.

In metal cutting, the proportion of hole machining, the need for extensive use of a variety of hole machining tools. Hole Cutter divided into two categories according to their use: a class of tool hole machined from a solid material, such as twist drill, flat drill, center drill and deep hole drilling, etc.; the other is the existing hole again hole machined hole machining tool, such as reamers, countersink drill, reamer and boring tools.

The Hole Cutter major cemented carbide drills, reamers, boring tools, broaches and composite hole processing tool. 

Boring & Cemented Carbide Boring Tools

Boring is a turning process to expand the inner diameter of the hole or other circular contour with cemented carbide boring tools, the boring processing applications generally range from semi-roughing to finishing, with the boring tool is usually single-edged boring cutter.


Boring generally carry out on boring machine, processing center and a combination of machine tools, boring mainly used in the processing box, bracket and stand on the workpiece cylindrical bore, threaded holes, holes, grooves and face; When using a special attachment.When boring can be processed inside and outside the spherical cone.

Cemented carbide inserts introduction

In order to ensure cemented carbide inserts both with turning tools supporting the use can be used alone, so said the model size marker with cemented carbide turning tools are uniform provisions. In order to be consistent with the marked cemented carbide inserts of different models of its size is uniform provisions.

For example, 01 cemented carbide inserts corresponding 31-type cemented carbide turning tools, 02 cemented carbide inserts corresponding 41 cemented carbide turning tools,09-C-type cemented carbide inserts cemented carbide turning tools corresponding 92, 09The corresponding 93-J-type cemented carbide inserts cemented carbide turning tools. In short, these carbide inserts models must cemented carbide turning tools with the corresponding model corresponding

Cemented carbide turning tools sizes

Cemented carbide turning tools have 7 sizes: 0 to 6. the larger turning tools sizes is, the greater value length, width, and height dimensions have. From right to left, followed by 31 cemented carbide turning tools is 1 to 6 of cemented carbide turning tools. It is easy to see from the figure of their length, width, height is not the same.

Cemented carbide turning tools

Cemented carbide turning tools feature

The cutting portions of cemented carbide turning tools are composed by the main cutting edge, the secondary cutting edge, in front of, behind and vice behind. Cemented carbide turning tools’ front types depend on the nature of the workpiece material and tool material. The simplest is plane, positive rake angle plane suitable for high-speed steel tool and finishing with carbide turning tools, hard negative rake angle of the plane applicable to the processing of high-strength steel and rough cut steel castings carbide turning tools. With chamfered type of plane is in the plane of positive rake angle grinding have negative chamfer to improve the strength of the cutting edge, cemented carbide turning tools suitable for machining cast iron and steel. Claim chip breaker cemented carbide turning tool can be used with a negative chamfer of the arc face, or on the front of the flat-type grind chip breaker station.

Cemented carbide turning tools application

Cemented carbide turning tools can be used for horizontal lathes, turret lathes, automatic lathes and CNC lathes, turning tools have a lot of types and broad many applications.

Cemented carbide turning tools

Cemented carbide turning toosl are used for the turning process, the tool having a cutting portion. Cemented carbide turning tools are one of the most widely used tools. The working portion of the cemented carbide turning tools is that of generating and processing a portion of the chip, including the edge, so that the structural elements of the chips of broken or rolled structure, the chip removal space or volume reservoir chips, the cutting fluid passage.

Cemented carbide cutting tools cutting layer parameters

Cutting layer of the cemented carbide cutting tools is the workpiece material layer to cut through the removal of the workpiece in a single pass of to the cutting portion. Cutting layer shape, size directly affects the deformation of the cutting process, the tool bear the load as well as the cemented carbide cutting tool wear. As shown, when the main and auxiliary cutting edges is straight, and λs = O °, KR> 0 °, the cutting layer to the nominal cross section ABCD is a parallelogram, if Kr = 90 °, or rectangular.

Cemented Carbide Cutting Tools Working Angles

The installation position of the cemented carbide cutting tools, cutting Synthesis of the direction of movement changes, will cause a change in angle of the tungsten carbide cutting tools. Thus research during the cutting process the tool angle, the relative position of the tungsten carbide cutting tools with the workpiece, the relative movement to create a reference system on the basis of this reference system, said reference system. The tool perspective - that of the work reference system defined angle.

Cemented carbide cutting tools angles reference system

Cemented carbide cutting tools angles are important parameter for determining the tungsten carbide cutting portion of the cutting tools geometry. Cemented carbide cutting tools angles for defining the respective reference coordinate plane, called the reference system. Reference system, there are two types: the tool stationary reference frame - the marked tool design, grinding and measuring benchmarks using this tool angle defined by said tool marked angle; the tool working reference system - to determine the cutting tool angles benchmark, use this tool angle defined by said tool angle.

Tungsten carbide cutting tools design, label, grinding, and the most common is the measured angle to the reference system of the orthogonal planes. But the label indexable cutter or a large edge inclination tool commonly used in the normal plane of reference. In the manufacturing process of cemented carbide cutting tools such as milling cutter groove when sharpening flank, often required assuming that the work plane, the angle of the back of the plane reference system, or prior to use, followed by orthogonal plane angle of the reference system.

Cemented Carbide Cutting Tools Motion

Cemented carbide cutting tools motion in the role played by relative movement of the workpiece and cemented carbide cutting tools machining, divided into the main movement and feed movement.
1. Main motion
The main motion is the most important cutting power consumption up to the movement; it is the relative motion of carbide cutting tool and the workpiece between students. The car, the main motion of the boring machine spindle rotation movement.
2．Feed motion
The feed motion of the additional movement is generated between the cemented carbide cutting tool and the workpiece in order to maintain the cutting performed continuously. Vf is cars cylindrical longitudinal feed speed of movement, it is continuous. Horizontal feed movement is intermittent.
3．Cutting layer

Cutting cemented carbide cutting tools to cut through the removal of the workpiece in a single pass of the workpiece material layer. Workpiece rotation time, the cemented carbide cutting tool just moved from position I to Ⅱ, cut the workpiece material between the layer I and Ⅱ. The quadrilateral ABCD is the nominal cross-sectional area of the cutting layer. Actual cutting layer cross-section is a quadrilateral ABCE , △ AED is the cross-sectional area of the remaining on the surface of the processed.

Cemented Carbide Tool Life

Tools wear at high temperature conditions by the workpiece in the cutting tool, the friction of the chips, so that the tool material gradually wear or breakage of the phenomenon appears. Research tool wear causes prevent premature excessive tool wear and how to extend cemented carbide tool life, which is affecting the efficiency of production, processing costs and processing quality is an important topic.


Cemented carbide tool life T is defined as the total cutting tool wear reaches a predetermined standard time (MIM), factors affecting the tool life.

Cemented Carbide Tool Wear

Cemented carbide tool wear is the phenomena, in high temperature conditions the tool material is gradually wear or breakage by the workpiece, the friction of the chips. Research tool wear causes prevent premature excessive tool wear and how to extend tool life, which is affecting the efficiency of production, processing costs and processing quality is an important topic.

Cemented carbide tool wear in the form of: Cemented carbide tool wear normal and abnormal tool wear can be divided into two categories. Normal tool wear the continuous gradual wear and tear, abnormal tool wear, including brittle breakage and plastic damaged two.
1. Normal cemented carbide tool wear: increase wear gradually expanded form, including wear in front of the main flank wear, vice flank wear with cutting time.

2. Abnormal cemented carbide tool wear, also known as broken