Multifunctional 234-Edge Sharpening Machine ED-20H for Tungsten Steel Drill Bits
End Mill Cutter Sharpening Machine
The ED-20H Multifunctional Sharpening Machine is a precision-engineered solution for maintaining the cutting efficiency and service life of tungsten steel (carbide) and high-speed steel (HSS) end mills and twist drills. Designed for workshop environments, this robust machine delivers consistent, high-accuracy sharpening for tools with up to 4 flutes. By enabling on-site re-sharpening, it minimizes tool replacement costs and production downtime, ensuring your machining operations remain productive and cost-effective. Its compact footprint (370x350x380mm) and intuitive controls make it an ideal asset for tool rooms, maintenance departments, and small-to-medium manufacturing facilities.
End Mill Sharpening Technical Advantages
Comprehensive Tool Coverage: Capable of sharpening both 2, 3, and 4-flute end mills and standard twist drills (straight and taper shank) within a diameter range of φ3-20mm. This versatility eliminates the need for multiple dedicated sharpening machines.
Precision Angle Control: Restore your tools to their original cutting geometry with precisely adjustable angles. The machine allows for independent grinding of the secondary clearance angle (6°), primary relief angle (20°), and end gash angle (30°) . The apex angle is adjustable from 90° to 140°, accommodating a wide variety of drilling applications.
Efficient & User-Friendly Operation: The sharpening process is streamlined for speed and simplicity. An unskilled operator can complete a full sharpening cycle for a standard tool in under one minute. The machine features a quick-change collet system (8 collets included) and dedicated tool holders for 2, 3, and 4-flute end mills, ensuring fast and repeatable setups.
Engineered for Durability: Powered by a robust 600W motor and featuring a high-speed spindle (6000 RPM), the ED-20H is built for continuous, demanding use. It utilizes standard EDCBN (for HSS) or SDC (for carbide) grinding wheels, offering excellent material removal rates and a superior surface finish on the cutting edge.
End Mill Sharpening Machine Technical Parameters
| Model | ED-20H(with fine grinding) |
| Applicable diameters | Drill φ3-20mm |
| Applicable flutes | Twist drills |
| Axial angles | Secondary clearance angle 6°,Primary rellef angle 20°,End gash angle 30° |
| Grinding wheel | EDCBN(or SDC) |
| Power | 220V±10%AC |
| Grinding scope of the apex angle | 90°-140° |
| Rated speed | 6000rpm |
| Outer dimensions | 370*350*380(mm) |
| Weight/Power | 26KG/600W |
| Normal accessories | Collet*8pcs, 2 flutes holder*8pcs, 3 flutes holder*8pcs,4 flutes holder*8pcs, case*1pcs, Hexagon wrench *2pcs,controller*1pcs, Chuck group*1 Group |
Multi-Flute End Mill Sharpener Applications
The ED-20H is essential for any operation relying on precision drilling and milling. It is widely used for maintaining tools in:
General Metalworking & Fabrication Shops
Mold and Die Making
Automotive Parts Manufacturing
Aerospace Component Production
Maintenance, Repair, and Overhaul (MRO) Operations
Educational and Training Workshops
Re-Sharpening Machine Operation & Maintenance Tips
For Optimal Results: Always ensure the tool shank and the collet are clean before mounting. Use the appropriate flute holder for your tool to guarantee correct indexing and angle grinding.
Wheel Selection: Use the EDCBN (Electroplated Cubic Boron Nitride) wheel for sharpening HSS tools and the SDC (Synthetic Diamond) wheel for tungsten carbide tools to maximize wheel life and grinding efficiency.
Daily Maintenance: After each use, clean grinding dust from the machine bed and around the motor housing. Regularly check the grinding wheel for wear and replace it when the grinding performance degrades or surface finish becomes inconsistent. Lubricate the spindle bearings as per the maintenance schedule provided in the manual.
Why Choose Us
Factory Profile
About Us
FAQ
Q1: What is the minimum order quantity (MOQ) for this machine?
A1: The MOQ for the ED-20H sharpening machine is 1 unit, making it accessible for workshops of all sizes.
Q2: Can I use this machine to sharpen drills with a special point geometry (e.g., split point)?
A2: While the ED-20H is primarily designed for standard twist drill point geometries (apex angle 90°-140°), it can produce a split point or thinner web with the appropriate operator technique and dressing of the grinding wheel. For production-level sharpening of specialized geometries, we recommend consulting our technical team.
Q3: What is your warranty policy for the ED-20H?
A3: We offer a comprehensive 12-month warranty against manufacturing defects on the main machine frame and motor. Wearing parts like the grinding wheel, collets, and holders are covered for a period of 6 months under normal usage conditions.
Q4: Do you provide technical support for installation and operation?
A4: Yes, our technical support team is available to assist with installation guidance, operational queries, and troubleshooting via email, phone, or video call. We also provide a detailed user manual and can arrange for on-site training for larger orders.
Q5: How long is the typical delivery time?
A5: For standard orders of the ED-20H, the delivery time is typically 15-20 working days after order confirmation and payment receipt. We can also ship to your freight forwarder in China upon request.
