Ce este o freză CNC

Introducere: CNC Milling Cutters – Precision Tools for Modern Manufacturing

CNC milling cutters are essential for precision manufacturing, shaping materials with accuracy in industries like aerospace and electronics. This guide covers what they are, how they work, and how to choose the best type

1. What is a CNC Milling Cutter? Definition & How It Works

A CNC milling cutter is a rotating tool that removes material from workpieces via high-speed rotation. It creates flat surfaces, slots, and complex 3D shapes. Key parts:

• Gambă: Connects to the machine spindle.
• Cutting Teeth: Directly remove material.

2. Types of CNC Milling Cutters & Their Uses
Choose based on material and geometry:

• Design: Flat bottom, sharp edges.
• Utilizări: Surface milling, slots, engraving.
• Subtypes:

2-Flaut: Best for aluminum (fast chip removal).

4-Flaut: Smoother finishes on steel.

Moara de capăt cu nas bilă

• Design: Rounded tip for 3D shapes.
• Utilizări: Mold making, aerospace parts.

Freză de capăt cu rază de colț

• Design: Rounded edges reduce stress.
• Utilizări: High-strength slotting.

Tăietor cu fantă în T

• Specialized: Machines T-slots in fixtures.

Pro Tip:

• Carbide Tools: Ideal for titanium/stainless steel.
• HSS Tools: Cost-effective for aluminum/plastics.

3. Top Applications of CNC Milling Cutters

• Aerospace: Lightweight alloys (titanium, aluminum)
• Auto: Engine blocks, custom parts.
• Electronics: Smartphone frames, laptop casings.
• Fabricarea matrițelor: Injection mold cavities.

4. How to Choose the Best CNC Milling Cutter

Step 1: Match Tool Material

• Stainless steel → Coated carbide.
• Cast iron → TiCN-coated.

Step 2: Optimize Geometry

• Helix Angle: 30°–45° for aluminum; 10°–20° for steel.
• Core Thickness: Thicker for heavy roughing.

Step 3: Balance Cost & Quality

• Premium Brands (Sandvik, Kennametal): High-volume durability.
• Local Brands: Budget-friendly for small batches.

Concluzie
CNC milling cutters ensure precision and cost-efficiency in manufacturing. By selecting the right type and optimizing parameters, businesses reduce downtime and boost productivity.