Trusted by Fortune 500 Companies
Corner Rounding End Mills Manufacturer in China
JINOO’s Corner Rounding End Mills are engineered for milling transitions and radii on edges and slots with precise corner radius control. Featuring the optimized geometry design of a concave flute shape and chamfer undercuts, our Corner Rounding End Mills can achieve high cutting efficiency by eliminating rework and cutting resistance. All the tools are made from high-purity solid carbide, which comes from Guhring, and are equipped with world-class coatings like TiALN to ensure the longer tool service life of tools and maintain the stability of milling operations.
Corner Rounding End Mills By JINOO
3-Flute Corner Rounding End MillsSingle-ended design & Prevention of steps in machining.
4-Flute Corner Rounding End MillsPositive rake & Superior surfaces & Smooth transitions.
Back Corner Rounding End MillsSpecialize in milling radius on the back side of workpieces.
Common Machining Operations
You can choose the suitable type of Corner Rounding End Mills according to the processing method you require.
2 / 3 / 4-Flute & Long Reach & Back Corner Rounding End Mills.
2 / 3 / 4-Flute & Long Reach & Back Corner Rounding End Mills.
Back Corner Rounding End Mills.
Corner Rounding End Mills Specifications
- Corner Rounding End Mills
| Designation | s/min⁻ | Vf/mm/min | ap/mm | ae/mm | s/min⁻¹ | Vf/mm/min | ap/mm | ae/mm | s/min⁻ | Vf/mm/min | ap/mm | ae/mm |
| D1R0.2 | 18000-20000 | 800-1000 | 0.02-0.03 | 0.02-0.03 | 16000-18000 | 650-850 | 0.02-0.03 | 0.02-0.03 | 20000-22000 | 1000-1200 | 0.02-0.03 | 0.02-0.03 |
| D1.5R0.2 | 18000-20000 | 800-1000 | 0.02-0.03 | 0.02-0.03 | 16000-18000 | 650-850 | 0.02-0.03 | 0.02-003 | 20000-22000 | 1000-1200 | 0.02-0.03 | 0.02-0.03 |
| D2.DR0.2 | 15000-18000 | 1000-1200 | 0.03-0.04 | 0.03-0.04 | 13000-15000 | 850-1000 | 0.03-0.04 | 003-0.04 | 18000-20000 | 1200-1400 | 0.03-0.04 | 0.03-0.04 |
| D3R0.2 | 13000-15000 | 1200-1400 | 0.03-0.05 | 0.03-0.05 | 11000-13000 | 1000-1200 | 0.04-0.05 | 0.03-0.05 | 15000-18000 | 1400-1600 | 0.04-0.05 | 0.03-0.05 |
| D4R0.5 | 10000-12000 | 1500-1800 | 0.05-0.08 | 0.05-0.08 | 8500-10000 | 1200-1500 | 0.05-0.08 | 0.05-0.08 | 12000-15000 | 1600-1800 | 0.05-0.08 | 0.05-0.08 |
| D6R0.5 | 7000-8000 | 1800-2000 | 0.05-01 | 0.05-0.1 | 6000-7000 | 1500-1800 | 0.05-0.1 | 0.05-0.1 | 8500-10000 | 2000-2200 | 0.05-0.1 | 0.05-0.1 |
| D8R0.5 | 6500-7500 | 1800-2200 | 0.05-0.12 | 0.05-0.12 | 5500-6000 | 1800-2000 | 0.08-0.15 | Q08-0.12 | 7000-7500 | 2200-2500 | 0.08-0.15 | 0.08-0.12 |
| D10R0.5 | 5500-6500 | 2200-2500 | 0.05-0.15 | 0.05-0.15 | 5000-6000 | 2000-2300 | 0.1-0.15 | 0.08-0.15 | 6000-7000 | 2500-2800 | 0.1-0.15 | 0.08-0.15 |
| D12R0.5 | 4500-5500 | 2500-2800 | 0.08-02 | 0.08-0.2 | 4000-5000 | 2300-2500 | 0.1-0.2 | 0.1-0.15 | 5000-6000 | 2800-3000 | 0.1-0.2 | 0.1-0.15 |
JINOO Corner Rounding End Mills: Smooth Edges, Lasting Performance
Engineered for accurate edge rounding, JINOO’s Corner Rounding End Mills can deliver a perfect surface finish with high precision and durability.
JINOO’s Corner Rounding End Mills are ideal for demanding finishing especially when the stable radius is needed because of the excellent control of corner radius within ±0.01 mm, enabling consistent edge quality of all the workpieces to further promote the reduction of rework.
Our Corner Rounding End Mills are equipped with a reinforced tool structure to enhance milling performance in operations. With the increased core thickness by 30%, our tools can definitely minimize tool chatter and improve stability to avoid deformation in high-speed machining.
Featuring optimized cutting-edge geometry design, JINOO’s Corner Rounding End Mills significantly improve their chip evacuation, with resistance decreased by 15% to 20%. In this way, smoother surfaces and high-speed cutting can be available in versatile manufacturing processes and different industries.
Versatile flute options of our Corner Rounding End Mills are provided, such as 2-flute, 3-flute, and 4-flute, and they can be flexible for clients to choose to serve for materials with different features. When it comes to machine soft materials, fewer flutes will demonstrate better performance. However, more flutes will be suitable for machining harder materials like steel due to their higher rigidity.
To promote the stability of chip flow and reduction of heat generation, JINOO’s Corner Rounding End Mills have the optimized helix angles of 30°–45°. The innovative helix angles can easily reduce the reflection even when machining deep cuts of hard-to-process materials like stainless steel.
JINOO’s Corner Rounding End Mills have the progressive arc transition to ensure enhanced surface finish. When combined with advanced geometry design, the contact between the tool and the material will be continuous with fewer tool marks to reduce the wear of the tool even in high-speed manufacturing.
Precision Radius Control
Notably, our Corner Rounding End Mills provide corner radius accuracy within ±0.01 mm, allowing for flawless machining in different workpieces. Especially for automotive and aerospace components that need absolute dimensional accuracy, our Corner Rounding End Mills will always maintain a consistent standard with minimal tolerance. Because of the unchanged radius control, the probability of reworking can be reduced by 25% as well as the exceptional surface finishes.
Optimized Cutting Edge Design
JINOO’s Corner Rounding End Mills promote cutting forces by deceasing cutting resistance by 15-20%, ensuring the minimal vibration and reflection. By optimizing the cutting-edge design, our tools have the obvious advantage that they can be used for machining more materials which require precise machining from aluminum to hardened steels compared to conventional ones.
Reinforced Tool Structure for Stability
Even in deep cuts and 3D complex contours, JINOO’s Corner Rounding End Mills can maintain stable and smooth cutting with strengthened tool structure in demanding workflows. The refined, thicker core and superior tool structure can further boost tool rigidity by up to 30%, lowering tool vibration even under heavy-duty machining conditions. When combined with innovative flute geometry, our Corner Rounding End Mills will achieve dimensional stability to reduce tool wear and extend tool life by approximately 20%.
Reliable Performance
JINOO keeps staying at the forefront of technology research due to the continuous optimization of products and services. We can make sure of the high quality and standard of our CNC tools, which are able to exceed your expectations.
Professional R & D Team
JINOO’s Research and Development team is composed of 15 highly skilled professionals, led by a senior technical engineer with rich experience of over 40 years. Combined with their expertise and dedication, JINOO can deliver unmatched quality of products with high precision.
JINOO Corner Rounding End Mills: Outstanding In Different Industries
Depending on high accuracy and superior edge finishing JINOO’s Corner Rounding End Mills demonstrate in manufacturing, they play a vital role in multiple applications and industries from machining the mould to precision components.
In the die-mould industry, JINOO’s Corner Rounding End Mills are utilized for complex 3D contouring to maintain reliability, especially in high-volume production. The radius accuracy can be strictly limited within ±0.01 mm to improve consistent surface finish by 20% with extended tool lifespan.
In the automotive industry, our Corner Rounding End Mills are suitable for machining engine and chassis components. They can maintain satisfying dimensional tolerances within ±0.02 mm. Besides, rework can be easily reduced by 15% to improve the working efficiency.
JINOO’s Corner Rounding End Mills are able to provide refined edge rounding on precision equipment, enabling a superior surface finish of Ra 0.4 µm. What’s more, sharp edges and unique geometry design ensure excellent handling in operations.
Our Corner Rounding End Mills also take a place in the mechanical industry, especially for precise components like shafts with round edges. Stress concentration can be remarkably reduced to enhance reliability. Notably, the tolerance is rigorously limited within ±0.015 mm.
Testimonials
“We’ve been using Corner Rounding End Mills from JINOO for 2 years; they are always the most reliable partners. What impresses me most is the outstanding radius control, which enables consistent edge rounding with strict tolerances. Besides, the reinforced tool structure and advanced geometry design promote stable machining even in high-speed cutting. We have to say that our machining efficiency has improved by over 30% and it’s very cost-effective because of the long-lasting tool lifespan. We all recommend JINOO as your reliable supplier!”
Laura MartinezLead Production Engineer
Of course!JINOO can provide customization services for our clients to suit demanding requirements. No matter the radius sizes or the flute numbers of our Corner Rounding End Mills, you can change the parameters to suit your machining requirements.
They are mainly made from high-purity solid carbide bar from Guhring, which enables the high quality and wear-resistance of JINOO’s Corner Rounding End Mills. Our tools can easily adapt to high-speed machining even in a high-temperature environment.
Yes, we are always willing to offer versatile options of appropriate coatings such as AlTiN, TiAlN, and DLC for you to choose, which boast exceptional ability of wear-resistance and tool longevity.
Build Your Own Corner Rounding End Mills
If you require the customization of your Corner Rounding End Mills, you can contact our engineering team using the factors below to confirm the technical design proposal.
- Overall Length
- The Diameter
- The Radius
- Shank
- Number of Flutes
- Single End / Double Ends
- Tip Angle
- Side Angle
- Material to be Cut
The corner radius of JINOO’s Corner Rounding End Mills is always precise in dimensional accuracy, enhancing machining performance due to strict quality control within ±0.01 mm.
For soft materials like aluminium, 2-3 flutes are more suitable for machining due to enhanced chip evacuation. However, using more flutes, such as four flutes, will be ideal for hard materials like steel to ensure a smooth surface finish.
Smoother chip evacuation can be achieved with a helix angle of 30° to 45°, which reduces vibration and deflection, promoting high-speed machining.
Yes, JINOO’s Corner Rounding End Mills are equipped with an optimized core geometry and a unique cutting edge to improve stability even under heavy-duty conditions.
