Cemented Carbide Tipped Cutter

1、Cylindrical cemented carbide milling cutter

It is used for the machining plane. It can be divided into coarse teeth and fine teeth two kinds. Diameter d = 50mm, 63mm, 80mm, 100mm. Type of cutter geometry angle γn = 15 ° αo = 12 °, ω = 30 ° to 35 ° (fine tooth cutter) and ω = 40 ° ~ 45 ° (coarse tooth cutter). The coarse toothed cylindrical cemented carbide milling cutter has less number of teeth and the strength of the cutter, the chip space, regrinding times for coarse plus. Fine-tooth cylindrical cemented carbide milling cutter many teeth, smooth, suitable for finishing.

Choice of cutter diameter, should have sufficient rigidity and strength to ensure that the cemented carbide milling cutter spindle, the tooth enough chip space, select a smaller value as possible under the conditions of multiple regrinding. Otherwise, the milling power consumption, the cemented carbide milling cutter cut long time, thereby reducing the productivity. Usually select cemented carbide milling cutter diameter according to their milling parameters and cemented carbide milling cutter spindle.

2、End mill

Cemented carbide end mill can be divided into integral and indexable. The typical diameter d = 3 ~ 20mm made integral, diameter d = 12 ~ 50mm made indexable.

Integral cemented carbide end mill is divided into standard helix angle (30 ° or 45 °) and large helix angle (60 °), Mills (below left), the number of teeth of 2,4,6 teeth. 6 cutting teeth large helix angle mills smooth radial cutting force is small, suitable for finishing. The fewer the number of teeth of the cemented carbide milling cutter of the standard helix angle, chip flutes (1 to 2) the cutting edge through the center, suitable for hand roughing.

Indexable end mills according to their structure and purpose can be divided into common type, drilling and milling-type spiral tooth. Smaller diameter indexable end mills, clamp the blade space occupied by a very limited, so generally use the pressure-hole. It can be divided into paperback Road piece pressure hole and stand-mounted blade pressure hole type.

Cemented Carbide End Mill	Ordinary Indexable End Mills and Drill Milling Cutter
Integral cemented carbide end mill is divided into standard helix angle (30 ° or 45 °) and large helix angle (60 °) end mills	Indexable end mills according to their structure and purpose can be divided into common type, drilling and milling-type spiral tooth

Ordinary indexable end mills (Figure a) diameter d = 12 to 50mm. Suitable for rough, semi-finish milling step surface, opening slots can also be closed groove 5 ° slope milling largest downward sloping. Usually it is made of double positive rake angle (γp = 2 ° -5 °; γf = 1 ° - 7 °) type or positive and negative rake angle type (γp = 2 ° to 5 °; γf = -3 ° to 0 °) . Processing of aluminum alloy, titanium alloy and stainless steel have chosen the type of double positive rake angle. Blade is chip breaker blade or flat blade.

The circular blade end mills for milling roots (Fig. c) fillets boss, ribs and cavity surfaces. Slope milling, downward angle should be less than 5 °, the cutting depth should not exceed the blade radius. Circular blade end mills have two types: straight shank and Morse taper shank. When the cutter diameter d> 40mm, made of suit-style.

The indexable drilling milling cutter (Figure d) and the general structure end mills are different, it has a blade cutting edge in the radial direction over the center, but slightly below the centerline 0 of 15 ~~ 0.3 mm. Usually taken γp = +2 ° ~ +3 °; γf = -4 ~ -10 °; kr = 90 ° -100 °.It not only can the milling step surface and opening slot; can also drilling shallow holes, milling closed slot, and Poe milling chute.

3、Keyway cemented carbide milling cutter

Mainly used for processing round closed keyway. There are two cutters, the cylinder surface and the end surface has a cutting edge, the end face cutting edge until center, working along the axis of the feed movement. According to national standards, d = 2 ~ 22mm, straight shank keyway cemented carbide milling cutter taper shank keyway milling cutter diameter d = 14 ~~ 50mm. The keyway cutter diameter precision grade e8 and d8 are usually processed separately the H9 and N9 keyway. The peripheral cutting edge of the keyway cutter wear occurs close to the end face of the short length only. The regrinding simply grinding the face cutting edge cutter diameter unchanged.

Keyway Cemented Carbide Milling Cutter

Keyway milling cutter is used for processing round closed keyway.

4、Face milling cutters

Face cemented carbide milling cutter suitable for machining grooves and order countertops. The facecemented carbide milling cutter addition to the circumference having a main cutting edge, the side surfaces are also the secondary cutting edge, thereby improving the cutting conditions, and to improve cutting efficiency and to reduce the surface roughness, but the thickness dimension larger changes after regrinding. Straight teeth face cemented carbide milling cutter can be divided into the wrong tooth and insert face cemented carbide milling cutter.

Straight teeth face cemented carbide milling cutter. According to national standards, the cutter diameter d = 50 to 200 mm, the thickness L = 4 to 40mm. The thickness dimensions accuracy of the K11, K8. Its main feature is the circumference of the tooth in front and side teeth in front of a plane, can be milled once and sharpening, so that the process can be simplified; circumference teeth and end teeth are left protruding edge with easy sharpening and regrinding guarantee blade width unchanged. But before the side edge doublet angle γ'o = 0 °, the differential cutting conditions.

The wrong tooth face cemented carbide milling cutter y'o approximate equals to λs. Facecemented carbide milling cutter with straight teeth, it has the advantages of smooth cutting, the cutting force is small, easy chip removal and chip flutes large.

Straight Teeth Face Milling Cutters	Wrong Teeth Face Milling Cutters
Straight teeth face cemented carbide milling cutter is ease for sharpening and ensures that the blade width unchanged after regrinding.	Straight teeth face cemented carbide milling cutter have many advantages, such as smooth cutting, small cutting force, easy chip removal and large chip flutes.

Inlaid teeth face cemented carbide milling cutter diameter d = 80 ~ 315mm, thickness L = 12 to 40mm. Opened on the cutter body with 5 ° slope alveolar, wedge-shaped knife with serrated teeth wedge within the alveolar. Each with alveolar tooth pattern turn staggers the P / Z (Z for the same number of teeth to tilt; P serrated teeth pitch). Cemented carbide milling cutter wear, can turn to remove the knife teeth, and move to the next adjacent the same within the alveolar. After adjusting cemented carbide milling cutter thickness increased by 2p / Z, and then by re-grinding, recoverability milling cutter thickness dimension.

Cemented carbide indexable face cemented carbide milling cutter is generally by means of the wedge screws or pressure-hole to insert clamping the cutter bodies, the majority of the installation of the blade Paperback, have all enacted installed. Three cutting edges at the same time to participate in cutting, Paixie poor, so the fewer number of teeth face cemented carbide milling cutter, in order to ensure adequate chip space. Indexable face cemented carbide milling cutter, front corner and generally γp = +3 ° ~ +5 °, γf = -2 ° ~ +7 °. Take K'r = 40 'to 1 °. Used can be transferred to bit face cemented carbide milling cutter diameter d = 80 ~ 315mm, thickness L = 10 to 32mm; generally indexable face cemented carbide milling cutter have two keyway, so that, when used in combination, the cutter stagger so smooth cutting.

Inlaid Teeth Face Milling Cutters	Cemented Carbide Indexable Face Milling Cutters
Inlaid teeth face milling cutters wear, you can turn to remove the knife teeth, and move to the next adjacent the same within the alveolar.	Cemented carbide indexable face milling cutters are generally wedge screws or pressure-hole clamping the blade in the knife body.

5、Angle cemented carbide milling cutter

Angle cemented carbide milling cutter is mainly used for processing angled grooves and beveled. Diagram a is single angle cutters, the conical cutting edge main cutting edge, the face cutting blade as Vice cutting edge. Figure b is a double-angle cemented carbide milling cutter, the cutting edges of the two conical surfaces of the main cutting edge. It is divided into symmetrical double angle cutters and asymmetric double angle cutters. National standards, single angle cutters diameter d = 40 ~ 100mm, the angle between the two blade θ = 18 ° to 90 °. Asymmetric double angle cutters diameter d = 40 ~ 100mm, the angle θ = 50 ° -100 °. The symmetric double angle cutters diameter d = 50 ~ 100mm, the angle θ = 18 ° to 19 °.

Angle Milling Cutter	High Speed Steel Die Milling Cutter
Angle cemented carbide milling cutter is mainly used for processing angled grooves and beveled.	High speed steel die cemented carbide milling cutter is mainly divided into conical end mills, cylindrical ball nose end mills and conical ball nose end mills.

6、Die mill

Die cemented carbide milling cutter for machining a mold cavity or punch forming surface. Widely used in mold manufacturing. It is evolved by the end mills. High speed steel die milling cutter is mainly divided into conical end mills (diameter d = 20mm, semi-cone angle α / 2 = 3 °, 5 °, 7 ° and 10 °), cylindrical ball end mill (diameter d = 4 ~ 63mm) and conical ball nose end mills (diameter d = 6 ~~ 20mm semi-cone angle a / 2 = 3 °, 5 °, 7 ° and 10 °). To select die cemented carbide milling cutter by the shape and dimensions of the workpiece.

Cemented carbide ball end mill can de divided into overall style and indexable type. The overall cemented carbide ball nose cutter diameter d = 3 to 20mm, helix angle ω = 30 ° or 45 °, the number of teeth 2 = 2 to 4 teeth. It is suit for high-speed, large feed milling. The machined surface roughness is small, mainly used for the fine milling.

Indexable Ball Nose End Mills	Cemented Carbide Rotary Ffile
When use indexable ball nose end mills for slope milling, milling surface is very rough. So it is mainly used for high-speed roughing and semi-finish milling.	Cemented carbide rotary files can replace the diamond rasp and grinding head to processing of various molds, cutting efficiency can be increased several times.

Indexable ball nose end mills equipped with one or two indexable inserts front end, it has two circular cutting edge, larger diameter indexable ball nose end mills in addition to the end of the blade circumference also installed rectangular indexable inserts, to increase the maximum cutting depth. Slope milling this ball end mill, the downward angle not greater than 30 °. Milling surface is very rough. So it is mainly used for high-speed roughing and semi-finish milling.

Cemented carbide rotary file, also known as carbide die cemented carbide milling cutter, diamond rasp and grinding head can replace machining quenched hardness of less than 65HKC various molds, cutting efficiency can be increased several times.

Chinatungsten Online can provide various sizes and grades of cemented carbide cutting tools, non-standard products are also customized according to customer requirements. Welcome to consult and purchase sales@chinatungsten.com, sales@xiamentungsten.com .