15 Typical Turning Tool Products And Their Applications

In the development process of turning tools, many excellent enterprises have emerged.

Today, I will introduce some typical product cases.

Table of Contents show

(1) Cermet turning blade (Zhuzhou Diamond)

The photo of YNT251 product is shown in Fig. 3-12.

cermet turning blade

Fig. 3-12 cermet turning blade

1. Product features

(1) Add nano composite powder raw materials, control the ring structure, strengthen the bonding phase, so that the material has excellent wear resistance and toughness, long service life of the blade and stable processing.

(2) The ultra-fine w-rich phase is uniformly distributed to improve the thermal conductivity, thermal cracking resistance and plastic deformation resistance.

(3) Proper Ta/Nb ratio and high N content materials have excellent thermal hardness.

(4) From finish machining to semi finish machining, it has good surface quality, strong versatility and wide applications.

2. Application fields

YNT251 is specially used for turning and boring.

It can be widely used in machinery, mining, rail transit, automobile, energy, aerospace, precision instruments and other industries.

See Fig. 3-13 for application photos and Fig. 3-14 for recommended cutting speed.

application photos

Fig. 3-13 application photos

Fig. 3-14 recommended cutting speed

(2) Duratomic ®  Steel turning blade

1. Product introduction

Good turning material grade for steel parts.

The new generation of duratomic innovation technology is used to further expand the peak performance, and has the function of used edge detection to reduce the waste rate.

TP2501 – the most versatile processing capacity of all steel grades, and can also process stainless steel and cast iron;

TP1501 – balanced processing capacity of high-end steel and ductile iron;

TP0501 – high speed machining capacity of all steel grades, and gray cast iron can be processed.

See Fig. 3-15 for photos.

Duratomic ®  Steel turning blade

Fig. 3-15 product photos

2. Application examples

1) Part: brake system plug ring.

2) Part material: 20 mncr 5, forged.

3) Blade: WNMG080412-M5, TP1501.

4) Application: end face and longitudinal outer diameter turning.

5) Cutting fluid: use external cooling.

6) Cutting parameters: vc=285m/min,n=935r/min,f=0.38mm/r,V=355.3mm/min,ap=2.6mm.

7) Processing effect: various workpieces are processed under severe conditions, and the service life of the tool is increased by 200%.

(3) Jetstream tooling ®  Duo double flow design turning tool bar

1. Product introduction

Jetstream Tooling ®  Duo’s lever type compact turning tool bar specially designed for negative angle blades has the function of spraying cutting fluid at the same time on the front and rear surfaces of the blades, as shown in Fig. 3-16.

At the same time, it is equipped with a flow deflector for finish machining and rough machining, which can be replaced at any time according to the processing conditions.

The best use pressure of cutting fluid is 7~15MPa, but as long as it is above 1.5MPa, the flying flow system will have an effect beyond the general external cooling.

It is not only an ordinary turning tool, but also applied to other high groove tool bars.

It has the advantages of effectively improving chip control, improving surface quality, improving efficiency and prolonging tool life.

Jetstream tooling ®  Duo double flow design turning tool bar

Fig. 3-16 application status

2. Application examples

1) Problem: chip removal problem. The machine tool is blocked and it is not easy to reach the required chip parameters.

2) Parts: gear rings.

3) Part material: SMG 4.

4) Tool: C5-PWLNR-35060-08JET.

5) Blade: WNMG080408-W-MF5, TP2501.

6) Application: cylindrical turning.

7) Cutting fluid pressure: 3~4MPa.

8) Cutting parameters: v=300m/min,=0.4~0.5mm/r,a=0.5mm.

9) Processing effect: the chip control is improved, and the tool life is prolonged by 15min (2 pieces).

(4) GC4325&GC4315 turning blades (Sandvik croman)

1. Product introduction

Sandvik cloneyman is equipped with inveio ™ Technical GC4325 and GC4315 (see Fig. 3-17) are extremely excellent materials that can realize the durability, predictability and longer tool life of steel turning process.

They are suitable for most machining occasions and are the preferred materials for steel turning.

GC4325&GC4315 turning blades (Sandvik croman)

Fig. 3-17 GC4325 product photo

2. Product features

1) GC4325 – first choice for turning steel parts.

Long tool life: improved machine tool utilization;

Predictable performance: high security in unmanned operation;

Wide range of applications: reduce tool inventory.

2) GC4315 – ideal for high metal removal.

Able to withstand high cutting temperature: high cutting speed and long-time continuous cutting can be achieved;

Predictable performance: the perfect choice for safe unmanned mass production, with high metal removal rate without affecting tool life.

3. Technical features

(1)Inveio ™ Technology improves wear resistance and extends tool life.

(2)Inveio ™ Technology is the secret to ensuring predictable performance of the GC4325 and GC4315.

Closely aligned unidirectional crystals form a strong barrier facing the cutting area and chips, thus ensuring high wear resistance and long tool life.

4. Substrate

Sintered cemented carbide matrix has both high strength and reliable toughness, realizing the balance between the two.

Cobalt rich surface gradient sintering technology improves the safety.

The balance of GC4325 matrix (see figure 3-18a) can ensure the safety in various processes, and GC4315 matrix (see fig. 3-18b) is developed to withstand high temperature.

tool matrix

Fig. 3-18 tool matrix

a) GC4325 matrix

b) GC4315 matrix

5. Application examples

1) Part: synchronizer gear housing.

2) Part material: 20CrMoTi.

3) Machine tool used: ordinary CNC lathe.

4) Cutter body: DCLNL2525M12.

5) Blade: CNMG120408-PM4325.

6) Application: turning outer circle and end face.

7) Cutting parameters: vc =450m/min,f=0.3mm/r,ap=1mm,Emulsion external cooling.

8) Processing effect: the service life of single blade is increased by 86.5%.

9) The comparison of cutting life is shown in Fig. 3-19.

comparison of cutting life

Fig. 3-19 comparison of cutting life

a) GC4325179 pieces / blade

b) 96 general tools / blade

(5) Coroturn ® 300 turning tools (Sandvik croman)

1. Product introduction

The non ISO concept coroturn 300 widens the application range of ordinary turning.

This eight blade system has a unique shape, which can help customers ensure safe and efficient processing, thereby reducing the cost of individual parts.

2. Characteristics

(1) The tool handle with Coromant capto interface or QS cutter square can quickly change the tool and improve the connection of cutting fluid, so as to maximize the production efficiency.

(2) The outside can be operated without cutting fluid connecting pipe (cutting fluid will pass through QS stop or clamping unit).

(3) High precision cutting fluid makes chip breaking smooth, thus ensuring safe machining.

(4) The down feed cutting fluid can control the temperature and obtain long and predictable tool life.

(5) Stable blade clamping.

The knife pad separates the blade from the knife handle, thereby protecting the knife handle.

The new lever clamping solution enables the blade to self lock into the blade seat, and the tool rigidity (ilock) is achieved due to the fixed positioning point ™) Stable blade clamping (ilock ™), It can ensure high accuracy and repeatability within ± 0.05mm (0.002 in).

(6) The whole blade has more cemented carbide materials, which can ensure good heat conversion, so as to achieve predictable performance and wear.

(7) The interface between the handle and the blade ensures easy blade replacement.

(8) The overall strength of the blade combined with the safe clamping enables it to achieve good performance in dry cutting.

(9) More cutting edges can reduce blade usage and better control blade inventory.

The product photo is shown in Fig. 3-20.

Coroturn ® 300 turning tools

Fig. 3-20 product photos

3. Application examples

1) Part: circlip.

2) Part material: 4130.

3) Machine tool used: ordinary CNC lathe.

4) Cutter body: QS-3-80LR252531-10C.

5) Blade: 3-80-101104-8-L44325.

6) Application: Car outer circle.

7) Cutting parameters: v=320m/min,f=0.05mm/r,ap=0.5mm,emulsion external cooling.

8) Processing effect: the surface quality requirements of the customer’s parts are extremely high, and Ra < 0.8μm needs to be guaranteed.

On this basis, the use of Sandvik Keleman coroturn 300 cutter not only greatly improves the service life, but also the processing efficiency is higher than before, helping customers save processing costs.

See table 3-21 for the comparison between CoroTurn 300 tools and general tools in the market.

Table 3-21 processing comparison between CoroTurn 300 tool and general tool

FactoryGeneral toolsSandvik croman
Tool handle specificationMCLNR-2525M12QS-3-80LR252531-10C
Blade specificationCNMG120404-XXXX3-80-101104-8-L44325
Vc/(m/min)280320
n/(r/min)G50 S1800G50 S1800
f/(mm/r)0.05  0.05
ap/mm0.50.5
Reason for tool changePart surface roughness value out of tolerancePart surface roughness value out of tolerance
Machining result / (piece / blade)2~30124

(6) Precision internal cooling turning tool (Walter)

1. Product introduction

(1) The cutting fluid is directly conveyed through the pressing plate and along the flank.

(2) Precision cooling technology delivers the cutting fluid as close and horizontally as possible to the action point below the chip.

(3) Cutting fluid pressure of 1~15MPa can be used.

(4) Improve chip breaking performance, especially when the pressure is higher than 4 MPa.

(5) When machining stainless steel, superalloy and steel, the tool life is increased by 30%~150%.

See Fig. 3-21 for product photos.

Precision internal cooling turning tool (Walter)

Fig. 3-21 product photos

2. Application examples

1) Parts: drive shafts.

2) Part material: 1.4404 / X2CrNiMo17-12-2 stainless steel.

3) Tensile strength Rm = 600n/mm2.

4) Machine tool: Gildemeister CTX.

5) Turning tool bar: DCLNL2525X12-P.

6) Turning blade: CNMG120408-RM5 WSM20S.

7) Application: rough turning outer circle.

8) Internal cooling pressure: 8Mpa.

9) Cutting parameters: ap=3.0mm, vc=210m/min, f=0.50mm/r.

10) Processing effect: good chip breaking effect, forming short chips.

Thanks to high-pressure internal cooling, the new Silver Tiger PVD coated blade increases the tool life by 100%.

(7) ISO ecoturn economical turning tool

1. Product introduction

In the current economic environment, cost pressure is the main factor restricting the development of modern machining enterprises.

For this reason, tecolo has developed a new economical turning blade, which not only has good cutting performance, but also provides end users with low-cost and high-income processing solutions.

The new EcoTurn series blades (see Fig. 3-22) are smaller than the standard ISO series blades, so they are not only cost-effective, but also more environmentally friendly.

However, despite its smaller size, its performance is no less than that of standard size blades.

new EcoTurn series blades

Fig. 3-22 new EcoTurn series blades

2. Product features

(1) Small size blades save natural resources and reduce manufacturing costs.

(2) It has the same cutting performance as conventional size blades.

(3) The performance level is exactly the same as that of the conventional size blade when the back feed is less than 3mm.

(4) The thickness of the blade is the same as that of the conventional size blade, so it has the same performance in the resistance to edge collapse.

(5) A wide variety of chip breaking types support a variety of machining applications from semi finishing to finishing.

(6) A variety of blade materials are suitable for efficient cutting of steel, stainless steel, cast iron and other materials.

3. Application examples

1) Workpiece Name: hydraulic parts (see Fig. 3-23).

hydraulic components

Fig. 3-23 hydraulic components

2) Workpiece material: C45/S45C.

3) Application: turning outer circle, intermittent machining.

4) Machine tool: CNC lathe.

5) Cutting fluid: water soluble.

6) Cutter bar: AWLNR2020K0604-A.

7) Blade: WNMG060404E-TM T9125.

8) Cutting parameters: vc=300m/min,f=0.2mm/r,ap=1.4mm.

9) Processing effect: on the premise of ensuring the same cutting performance, the size of ISO Eco Turn is smaller than that of the conventional blade, so the tool cost is reduced and the tool life is increased by 1.5 times.

(8) Tungturn jet turning tool

1. Product introduction

When the traditional cooling method is used for machining, it is usually difficult to accurately deliver the cutting fluid to the tool tip, because the chip generated in the machining process blocks the continuity of the cutting fluid supply.

To solve this problem, tungturn jet can provide high-pressure cutting fluid from two directions (see Fig. 3-24), which can form short chips in the processing of difficult to cut materials and mild steel, thus improving production efficiency.

cutting site with high pressure cutting fluid

Fig. 3-24 cutting site with high pressure cutting fluid

2. Product features

(1) The high-pressure cutting fluid is delivered to the cutting area through the nozzle tube at the top of the tool bar and the cooling hole at the bottom.

(2) The cooling effect of cutting fluid in both directions reduces the flank wear and crater wear.

(3) High pressure cutting fluid on the rake face can break chips better, especially for difficult cutting materials.

(4) The cutting speed is improved and the high machining efficiency is realized.

(5) When machining titanium alloy and heat-resistant alloy, the cutting speed can be increased by 200%.

(6) When machining alloy steel and stainless steel, the tool life is increased by 100%.

3. Application examples

1) Workpiece Name: bar (see Fig. 3-25, cutting length 100mm).

bar

Fig. 3-25 bar

2) Workpiece material: 18CrMo4.

3) Application: cylindrical turning.

4) Machine tool: CNC lathe.

5) Cutting fluid: water soluble (7MPa).

6) Tool bar: PCLNR2525M0904-CHP.

7) Blade: CNMG090408E-TM T9125.

8) Cutting parameters: vc=150m/min, f=0.3mm/r, ap=2.0mm.

9) Cutting effect: excellent chip breaking effect, tool life increased by 2 times.

(9) Kennametal stellam turning tool

The machinability of stainless steel is poor due to its severe surface work hardening, large cutting force, high cutting temperature, difficult chip breaking, fast tool wear and high linear expansion coefficient of workpiece.

Compared with carbon steel, its machinability is reduced by nearly 50%.

In view of these processing characteristics of stainless steel, the selection of tools for processing stainless steel should not only consider the toughness of tool materials, but also select tools with large cutting front / back angles and sharp cutting edges.

At the same time, the coating material of cutting tools mainly selects the physical deposition method to obtain a smoother cutting surface of the tool, so as to reduce the cutting force.

1. Product introduction

Kennametal stellam’s turning tool products have made special and in-depth design for stainless steel materials from three aspects: material, tool structure and tool coating, and become the recommended products for stainless steel material processing.

Kennametal stellam turning tool base material contains very wear-resistant chemical components. At the same time, it is equipped with different chip breaking groove structures according to the processing properties.

Whether it is rough machining or finish machining, the tools with high wear resistance and high toughness show their excellent processing performance.

Their products are trusted by the majority of users with high efficiency and long service life.

2. Application examples

1) Part name: valve element.

2) Part material: 316L stainless steel.

3) Cooling method: external emulsion.

4) Machining type: Turning excircle and end face.

5) Machine tool: CNC lathe.

6) Cutter bar: MCLNR2525M12.

7) Blade: CNMG120412E-4E.

8) Cutting parameters: vc=120m/min, f=0.25mm/r, ap=2.5mm, l=50 × 23mm, machining diameter 150mm.

The processing life is 20 pieces / blade (the blade parameters in the same industry are vc=120m/min, f=0.15mm/r, ap=1.5mm, and the processing life is 7 pieces / blade).

(10) BeyondTM DriveTM latest materials and groove series blades

1. Kenner beyond ™  Drive ™ Products

Kenner metals launches new beyond ™  Drive ™.

The material blade (see Fig. 3-26) is specially designed for processing cast iron, steel parts, stainless steel and other parts.

Beyond ™  Drive ™, the appearance of the product is bronze, which improves the wear identification performance of the tool.

Beyond ™  Drive ™, the productivity of the product is increased by 30% and the processing safety is improved.

The stress relief treatment of the coating reduces the stress between the coatings and improves the adhesion of the coating.

BeyondTM DriveTM blade

Fig. 3-26 BeyondTM DriveTM blade

Beyond ™  CVD material has stable surface roughness and lower cutting force, which can improve cutting speed and shorten machining cycle.

In addition, it has higher productivity and profitability (up to 300%) and can be used in a variety of processing applications.

Beyond PVD materials can still adopt higher cutting speed at high temperature (increase cutting speed by 20% ~ 30%).

Kenner metal provides a complete set of ISO-/ANSI- type blades (see Fig. 3-27).

Beyond ™  CVD material has stable surface roughness and lower cutting force, which can improve cutting speed and shorten machining cycle.

In addition, it has higher productivity and profitability (up to 300%) and can be used in a variety of processing applications.

Beyond PVD is a PVD coating material with excellent wear resistance at high temperature.

It can adopt higher cutting speed and increase the cutting speed by 20%~30%.

It improves the ability to resist deep cuts.

Beyond PVD is suitable for processing various materials, especially stainless steel and high-temperature alloy workpieces.

KCU25 ™ PVD coated blade with good cutting edge toughness and wear resistance.

It can improve the cutting speed and feed rate, and increase the back feed by 10%~20%.

It can be used for general machining to rough machining applications of various materials.

Fig. 3-27 ISO-/ANSI- type blades

2. Application examples

1) Part type: Marine part (see Fig. 3-28).

marine parts

Fig. 3-28 marine parts

2) Machining type: turning.

3) Customer demand: reduce beat time, stable performance, consistent tool life, reduce single piece cost, avoid intermittent cutting and long chips.

4) Tool: CNMG190612RN KCP40B.

5) Diameter: 960mm.

6) Cutting parameters: vc=120m/min,n=40r/min,f=0.5mm/r,ap=2mm.

7) Tool life: 0.45 pieces / blade.

8) Processing cycle: 85.5min.

9) The final result: the beat time is reduced by 55% and the tool life is increased by 50%.

(11) PCBN chip breaking groove blade

1. Product introduction

For the full-automatic production line, the chip wrapping, 3D chip breaking groove design and unique laser processing can effectively solve the chip cutting problem and greatly improve the operation efficiency.

The cutting field is wider, and the same groove can be broken from finish machining to rough machining.

See Fig. 3-29 for product photos.

PCBN chip breaking groove blade

Fig. 3-29 PCBN chip breaking groove blade

2. Application examples

1) Part: input shaft (see Fig. 3-30).

input shaft

Fig. 3-30 input shaft

2) Workpiece material: quenched steel.

3) Case comparison: see table 3-22 and table 3-23 for cases, and see Fig. 3-31 for chip breaking comparison.

Table 3-22 comparison of machining results of two PCBN tools

Blade materialOriginal PCBN toolWald PCBN toolPNH0120 (chip breaking type)
Blade specificationVBGT160408-2NVBGT160408-2N
Cutting velocityVc/(m/min)200200
Feed f/(mm/r)0.070.07
cutting depth ap/mm0.130.13
Processing quantity / piece3030
Chip shapeEntanglementNormal chip breaking

Table 3-23 comparison of machining parameters and results of two PCBN tools

Blade materialOriginal PCBN toolWald PCBN toolPNH0120 (chip breaking type)
Blade specificationCNGA120408CNGM120408-2N
cutting velocityVc/(m/min)160100
Feed f/(mm/r)0.05-0.060.1~0.12
cutting depth ap/mm0.6~0.70.6~0.7
Processing quantity / piece1556
Chip shapeEntanglementNormal chip breaking
chip breaking comparison

Fig. 3-31 chip breaking comparison

a) Original tool chip

b) Wald tool chip

(12) PCD chip breaking groove blade

1. Product introduction

Walder PCD chip breaking groove blade (see fig. 3-32) has “Walder standard chip breaking groove shape” and “Walder customized chip breaking groove shape” to choose from.

3D laser processing can effectively solve the chip problem, prevent the chip from scratching the surface quality of the workpiece with high requirements, online detection of the full-automatic production line and the clamping of the manipulator, as well as the damage of the cutting tool and tool bar caused by the chip removal during the inner hole processing, and the workpiece is scrapped.

PCD chip breaking groove blade

Fig. 3-32 PCD chip breaking groove blade

2. Application examples

1) Part: motor flange.

2) Part material: ADC12.

3) Application: automatic production line chip breaking processing.

4) Case comparison: see table 3-24 and fig. 3-33 for the processing comparison between Walder PCD chip breaking groove blade and PCD non chip breaking groove blade.

Table 3-24 comparison of processing parameters between Walder PCD chip breaking groove blade and PCD non chip breaking groove blade

Blade materialOriginal PCBN toolWald PCBN toolPNH0120 (chip breaking type)
Blade specificationVCMT160404VCMT160404
cutting velocityVc/(m/min)650650
Feed f/(mm/r)F0.1/F0.08F0.25/F0.08
cutting depth ap/mm0.15O.25
Cutting times / time11
Processing quantity / piece2000020000

Fig. 3-33 comparison of chip breaking effect

a) Non chip breaking blade chip

b) Wald tool chip

(13) Achtech-PB1 chip breaker

1. PB1 chip breaking groove

Steel parts finishing – semi finishing chip breaking groove: the steel parts finishing chip breaking groove PB1 (see Fig. 3-34) introduced by octet, the chip breaking effect comes from the unique design.

The flexible chip breaking groove achieves excellent chip control ability and can be used for semi finishing.

PB1 chip breaking groove

Fig. 3-34 PB1 chip breaking groove

Features of PB1 chip breaking groove:

(1) Good cutting control is based on ductile chip breaking grooves.

(2) Unique chip breaking point design and flexible chip breaking groove achieve excellent chip control ability.

(3) The inclined cutting edge is adopted, and the cutting edge is sharp to ensure the processing stability.

(4) The two-color coating technology is adopted to clearly judge the wear value of the flank.

Recommended brand: AC150P/AC250P.

2. PD3 chip breaking groove

Medium processing of steel parts – semi finishing chip breaking groove: medium processing of steel parts, groove selection, wide cutting range (large back feed and feed), superior bearing processing performance in automobile manufacturing.

PD3 chip breaking groove is shown in Fig. 3-35.

PD3 chip breaking groove

Fig. 3-35 PD3 chip breaking groove

Features of PD3 chip breaking groove:

(1) The three convex point structure design is suitable for the wide application range of medium semi finish machining.

(2) The unique chamfering design increases the cutting edge strength and takes into account the sharpness.

(3) The gentle front corner design enhances the anti collapse performance.

(4) The two-color coating technology is adopted to clearly judge the wear value of the flank.

Recommended brand: CVD : AC150P / AC250P.

3. PD5 chip breaking groove

Rough machining groove shape of steel parts is also used for rough machining of cast iron.

PD5 chip breaking groove is shown in Fig. 3-36.

PD5 chip breaking groove

Fig. 3-36 PD5 chip breaking groove

Features of PD5 chip breaking groove:

(1) Front corner tool tip, streamlined chip counter, smooth chip cutting, enhanced control of crater wear

(2) High strength cutting edge, intermittent, stable when machining oxide skin workpiece.

(3) A wide range of chip breaking groove design, easy to deal with large feed processing.

(4) Wide shallow groove design, plus flow linear chip counter, which is used for superior chip breaking effect at small back feed and small feed.

Recommended brand: AC150P/AC250P/AC350P

4. PD8 chip breaking groove

Heavy duty rough machining groove shape of steel parts.

It is also applicable to stainless steel rough machining PD8 chip breaking groove, as shown in fig. 3-37.

PD8 chip breaking groove

Fig. 3-37 PD8 chip breaking groove

Features of PD8 chip breaking groove:

(1) Low cutting force, suitable for small power machine tools.

(2) The unique chamfering and curved chip breaking groove get excellent chip breaking effect.

Recommended brand: AC150P/AC250P/AC350P

5. PD9 chip breaking groove

The product of heavy-duty rough machining chip breaking groove for steel parts is shown in fig. 3-38.

PD9 chip breaking groove

Fig. 3-38 PD9 chip breaking groove

Features of PD9 chip breaking groove:

(1) High strength cutting edge design.

(2) Apply intermittent and oxide skin workpiece cutting.

(3) Wide groove design can realize large feed rate and large back feed rate.

Recommended brand: AC150P/AC250P/AC350P.

(14) USF grooved precision turning blade

1. Tool features

(1) With the parallel groove structure design, the chip contact length can be effectively controlled under the conditions of small feed rate and large back feed rate.

(2) The groove design with large front angle and high smooth surface is adopted, with small cutting force and sharp cutting, which can form a good product surface roughness.

(3) The arc precision of the tool tip shall be controlled within 0.02mm to ensure the machining precision of the product.

2. Application fields

It is most suitable for precision turning of small shaft parts such as microelectronics and motors.

For example, the roller shafts of photocopiers, fax machines, printers, laser engraving machines and other equipment;

Shaft processing of micro motors for electric fans, hand drills, razors, cameras and vacuum cleaners.

It is used in various types of batch processing industries to produce high-precision and high required surface roughness products through turning according to customer requirements, as shown in fig. 3-39.

high precision product processing

Fig. 3-39 high precision product processing

3. Application cases

1) Workpiece: computer hard disk motor shaft (see Fig. 3-40).

Fig. 3-40 application case of computer hard disk motor shaft

a) Computer hard disk motor shaft

b) Comparison of machining life of two cutting tools

2) Material: SF20T.

3) Hardness: 230~250 HBW.

4) Machine tool: precision turning center.

5) Processing position: outer circle.

6) Original tool cutting parameters: vc=120m/min,f=0.015mm/r,ap=0.02mm.

7) Number of processed pieces: 1500 pieces / blade.

8) Current blade and cutter model / Brand: VPGT110301R-USF/YBG202.

9) Cutter bar: SVJPR1212K11.

10) Current tool cutting parameters: vc=120m/min,f=0.015mm/r,ap=0.02mm.

11) Number of processed pieces: 3500 pieces / blade.

12) Processing results: the processing life of the current Zhuzhou Diamond blade YBG20/VPGT110301R-USF is significantly longer than that of the original blade, and the service life of the blade is nearly twice that of the original blade.

(15) Heli-turn LD

1. Product introduction

HELI-TURN LD is shown in fig. 3-41, including WNMX, CNMX and DNMX blades.

The alloy brand is mainly based on SUMO TEC technology, and the lever and eccentric pins are clamped with a hook and pressing plate pressing structure.

The blade is designed with large positive rake angle and spiral cutting edge, which reduces the cutting force and obtains higher productivity.

spiral blade flat mounted turning blade

Fig. 3-41 spiral blade flat mounted turning blade ( HELI-TURN LD )

2. Features

(1) The rounded corners of the CNMX and WNMX blades are designed as polishing edges, so that high surface quality can be obtained in the case of high-speed feeding.

(2) The unique chip breaking groove design of the blade ensures the reliability of the cutting process.

(3) CNMX and WNMX blades need to be equipped with their unique tool pads, while DNMX blades can be clamped on standard tool bars.

3. Application examples

(1) Part name: cylinder head

1) Processed material: SAE 4130;

2) Machining type: rough machining;

3) Blade: CNMX 160712-HTV;

4) Alloy grade: IC807;

5) Cutting parameters: vc=145m/min;f=0.7mm/r;ap=4.8mm;

6) Number of workpieces processed per cutting edge: 11;

7) Stop reason for trial cutting: wear;

8) Processing time of each part: 4.25min.

9) The feed is doubled, and the part processing cycle is reduced from 5.36min to 4.25min.

(2) Part name: transmission components (energy industry)

1) Processed material: SAE 4140.

2) Machining type: rough machining.

3) Blade: CNMX 160712-HTV.

4) Alloy grade: IC8250.

5) Cutting parameters: vc=200m/min;f=0.64mm/r;ap=5mm.

6) Number of workpieces processed per cutting edge: 150.

7) Processing time of each part: 1.20min.

8) With the increase of cutting speed and feed rate, the machining cycle of parts is shortened by 40%.

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