Product Introduction

 

Corner Radius End Mills, specifically 4 Flutes, are designed with the purpose of creating a corner radius at the bottom of a milled shoulder. These tools offer several advantages over regular square-end mills. One of the key benefits is the stronger milling edge, which allows for increased feed rates and ultimately improves productivity. Additionally, the overall tool life is extended, further enhancing efficiency.
The main applications of corner radius end mills include adding a specific radius to a workpiece and performing finishing operations like removing burrs or sharp edges. The radius itself dictates the tool's limitations. As the diameters of the end mills increase, the operating speed can be reduced. On the other hand, if the radius is decreased, the tool can be run at higher speeds due to the larger effective cutter radius.
Larger diameter end mills possess higher strength than smaller ones of the same material quantity. This is because there is more material behind the radius in larger diameters. In situations where tight slots or holes are involved, a pilot with a smaller diameter may be necessary for clearance. When machining an inside corner, using a pilot with a smaller diameter enables tighter turns.
In summary, 4 Flutes Corner Radius End Mills offer enhanced milling capabilities. Their stronger milling edge allows for increased feed rates and prolongs the tool's lifespan. They are commonly used for adding radii and performing finishing operations. The radius determines the tool's constraints, impacting the operating speed. Additionally, larger diameters provide greater strength due to the increased material quantity. When working in tight areas, a smaller pilot diameter may be required, while smaller pilots enable tighter turns when machining inside corners.

 

Purposes

 

The 4 Flutes Corner Radius End Mills are most commonly used in CNC machining centers and CNC engraving machines. However, they can also be utilized in regular milling machines for processing tough and uncomplicated materials that require heat treatment. This versatile tool is a valuable addition to any machining operation seeking to achieve precise and efficient results.

 

A popular tool used in manufacturing planes on horizontal milling machines is the corner radius end mill. This type of milling cutter is designed with teeth arranged either in a straight line or a spiral pattern around its perimeter. The teeth can be classified as either straight or spiral, depending on their shape. They can also be categorized as coarse or fine based on the number of teeth they possess. The coarse helical gear milling cutter, with its limited but robust teeth and large chip holding area, is best suited for rough machining. On the other hand, the fine helical gear milling cutter is more suitable for finish machining.

 

The Corner Radius End Mill is a versatile tool that can be utilized for various cutting operations on gantry, end face, and vertical milling machines. This tool features both coarse and fine teeth, with cutter teeth positioned on both the end face and the perimeter of the tool. Additionally, there are three distinct structure varieties of this tool, including the integral type, inlaid type, and indexable type. By selecting the appropriate tool structure and teeth type, operators can achieve precise and efficient cutting results.

 

The end milling cutter is a tool that is commonly used for machining grooves and step surfaces. Its cutter teeth are located on the circumferential and end face, which means they cannot feed in the axial direction during use. However, when the cutter has an end tooth that passes through its center, it can feed axially. This feature makes it a versatile tool that can be used for a variety of machining applications. By carefully selecting the right end milling cutter and adjusting its position and feed rate, machinists can achieve precise cuts and high-quality results.

 

One tool that is commonly used for processing groove and step surfaces is the Corner Radius End Mill. This tool features teeth around the circumference and on each side, allowing it to be highly versatile in its applications. With its unique design, this end mill can be utilized for a wide variety of machining tasks and is a must-have for any machining or fabrication project. Whether you are cutting metal, plastic, or other materials, this tool is sure to provide the precision and accuracy you need to get the job done right.

 

The single-angle milling cutter and the double-angle milling cutter are two variants of a specialized tool used for cutting grooves at a specific angle.

 

The Corner Radius End Mill is a specialized milling cutter used for cutting grooves and deep workpieces. What sets it apart from other cutters is that it has more cutter teeth on its circumference which enables it to mill through materials with greater accuracy and speed. The cutter teeth are also designed with offset angles of 15′ and 1′ on both sides to reduce the amount of friction during the milling process.
Apart from the Corner Radius End Mill, there are other types of milling cutters - keyway milling cutters, T-shaped groove milling cutters, dovetail groove milling cutters, and a variety of forming milling cutters. These cutters are specifically designed to perform various milling operations, making them essential tools for every machinist.
In conclusion, the Corner Radius End Mill is a versatile and powerful tool for machining applications that require precision and speed. With its specialized design, it can perform deep grooving operations with ease and accuracy, making it a valuable tool for a wide range of industries.

 

Parameters

 

SPECIFICATION	R	d1	L1	D	L
D4*12*D4*50L	R0.1-R0.5/R1	4mm	12mm	4mm	50mm
D4*16*D4*75L	R0.1-R0.5/R1	4mm	16mm	4mm	75mm
D4*20*D4*100L	R0.1-R0.5/R1	4mm	20mm	4mm	100mm
D5*15*D5*50L	R0.1-R0.5/R1	5mm	15mm	5mm	50mm
D5*20*D5*75L	R0.1-R0.5/R1	5mm	20mm	5mm	75mm
D5*25*D5*100L	R0.1-R0.5/R1	5mm	25mm	5mm	100mm
D6*18*D6*50L	R0.1-R0.5/R1	6mm	18mm	6mm	50mm
D6*24*D6*75L	R0.1-R0.5/R1	6mm	24mm	6mm	75mm
D6*30*D6*100L	R0.1-R0.5/R1	6mm	30mm	6mm	100mm
D8*24*D8*60L	R0.1-R0.5/R1	8mm	24mm	8mm	60mm
D8*30*D8*75L	R0.1-R0.5/R1	8mm	30mm	8mm	75mm
D8*35*D8*100L	R0.1-R0.5/R1	8mm	35mm	8mm	100mm
D10*30*D10*75L	R0.1-R0.5/R1	10mm	30mm	10mm	75mm
D10*45*D10*100L	R0.1-R0.5/R1	10mm	45mm	10mm	100mm
D12*35*D12*75L	R0.1-R0.5/R1	12mm	35mm	12mm	75mm
D12*45*D12*100L	R0.1-R0.5/R1	12mm	45mm	12mm	100mm

 

Tolerances
Flute Diameter	Flute Diameter Tolerance	Shank Diameter Tolerance
Φ1.0-Φ2.9	0～-0.02	H6
Φ3-Φ6	-0.01～-0.03
Φ6-Φ10	-0.01～-0.035
Φ10.0-Φ18.0	-0.01～-0.04
Φ18.0-Φ20.0	-0.015～-0.045

 

Application
Carbon Steel Alloy Steel	Pre-harden steel	High-hardened				Stainless Steel	Copper Alloy	Aluminum Alloy
	45HRC	50HRC	55HRC	60HRC	65HRC
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Recommended Parameters

 

Material	Carbon Steel, Alloy Steel, S45C, FC, FCD, SCM, S50C, SKS...		Alloy Steel, Tool Steel SCR, SNCM, SKD11, SKD61.NAK80		Hard Steel, SKD11
Hardness	HRC30		HRC50		HRC60
Diameter	Cutting speed(VC) (mm-1)	Feed(F) (mm-min)	Cutting speed(VC) (mm-1)	Feed(F) (mm-min)	Cutting speed(VC) (mm-1)	Feed(F) (mm-min)
1mm	22000	400	18000	200	9000	140
1.5mm	12000	500	11000	280	5200	150
2mm	10000	550	10000	280	4600	170
3mm	9000	600	5500	310	3500	220
4mm	6000	750	5000	400	2200	220
5mm	4800	800	4000	400	1700	240
6mm	4500	820	3800	420	1600	300
8mm	3500	820	2800	420	1000	300
10mm	3000	820	1800	420	900	300
12mm	2000	820	1600	350	800	300
16mm	1500	650	1000	300	500	150
20mm	1200	650	900	300	400	150

 

 

Raw Material List

 

Grade	ISO Code	Chemical Compositions（%）		Grain Size(um)	Physical Mechanical Properties(≥)			Coating
		Wc	Co		Density(g/cm3)	Hardness (HRA)	T.R.S(N/mm2)
YG10X(50HRC)	K30-K40	89	10	0.8	14.43	91.5	2500	TISIN
UF12U(55HRC)	K40	87	12	0.6	14.15	92.3	3900	TISIN
AF501(60HRC)	K05-K10	89	10	0.4	14.1	92.8	3600	NANO BLACK
AF308(65HRC)	K05-K10	91	8	0.3	14	93.8	3800	NANO (BLUE)

 

Detailed Photos

 

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