Automatic tool change machine CNC is widely used in production, and the selection of cutting tools is crucial to the product's performance during the machining process. Choosing automatic tool change machine CNC tools based on different carving needs is a systematic project that involves multiple aspects such as materials, design details, machining requirements, and machine performance. Choosing the right tool is the key to ensuring machining efficiency, surface quality, and cost control. JINAN M-SHINE will provide you with a comprehensive and practical guide to help you make wise choices.

Principles for selecting the core of automatic tool change machine CNC cutting tools

Before choosing any woodworking machine tool, ask yourself these four questions:

1. What materials does this automatic tool change machine CNC machine machine machine process?

·Soft materials such as wood, plastic, acrylic, and substitute wood: sharp angle cutting tools can be selected, with fewer blades such as 2, to facilitate chip removal.

·Hard materials such as steel, iron, and stainless steel: It is necessary to use hard alloy cutting tools with good rigidity, with a large number of blades such as 3 or 4. Coatings such as TiAlN can enhance wear resistance and heat resistance.

·Nonferrous metals such as aluminum and copper are most afraid of sticking to the blade, so it is necessary to choose cutting tools with extremely sharp edges, polished or specially coated with DLC, usually with 2 or 3 blades.

What machining effect does an automatic tool change machine CNC tool achieve?

·Rough machining: The goal is to quickly remove a large amount of material. Choose a tool with a large diameter and fewer blades, such as 2 blades, with a large chip pocket for efficient chip removal. Flat bottomed knives are the preferred choice.

·Precision machining: The goal is to obtain a smooth surface and precise dimensions. Choose tools with small diameters and multiple cutting edges such as 3 or 4 to ensure smooth cutting and smoothness.

·Corner cleaning/detail carving: The goal is to process corners and fine patterns. Small diameter cutting tools must be selected, such as tapered ball cutters or small diameter flat bottomed cutters.

What are the characteristics of carving patterns on Wood CNC machines?

·2D cutting/contour cutting: Flat bottomed knives are the best choice as they can produce clean right angled sidewalls and bottom surfaces.

·3D surface/relief: The ball end knife is the only option as it can form a smooth surface by following the cutting path.

·V-shaped carving/chamfering: The V-shaped knife is a specialized tool, and the angle and tip size determine the width and depth of the carving.

·Small text/complex patterns: require small-diameter tapered ball end or tapered flat bottom knives, which have better rigidity, are less prone to breakage, and can produce excellent details.

How is my Wood CNC machine capability?

·Spindle power: Low power spindles below 500W cannot drive large-diameter cutting tools for heavy cutting, and are prone to overload, stalling, or damage.

·Maximum speed: High speed is beneficial for cutting small diameter tools and can achieve better surface smoothness.

·Fixture rigidity: Machine tools with poor rigidity are prone to chatter when using long edged tools, which can affect machining quality and damage the tools.

Common types of automatic tool change machine CNC and their applicable scenarios

Practical skills and precautions for automatic tool change machine CNC cutting tools

1. "Open with a big knife, clean with a small knife": This is the golden rule of CNC machining. First, use a large-diameter tool to quickly remove most of the material, and then switch to a small-diameter tool to clean the corners and fine parts.

2. Selection of Blade Count:

·2 Blades: Large chip space, good chip removal, suitable for rough machining and processing of sticky or chip removing materials such as aluminum, wood, plastic, etc.

·3 Blades: Balancing chip removal ability and cutting smoothness, it is a universal choice for precision machining, especially suitable for aluminum and steel.

·4 or more edges: smoother cutting, higher surface finish, suitable for precision machining of steel parts, but slightly inferior chip removal ability.

3. Extension length: On the premise of ensuring that the required depth can be processed, try to make the part of the tool extending out of the chuck as short as possible, which can greatly improve rigidity, reduce vibration and tool breakage risks.

4. Trial cutting is key: Conduct trial cutting at the corners of unimportant materials or workpieces to verify whether the tool selection, speed, and feed rate are appropriate.

5. Listen to the sound: The piercing screams during processing usually indicate vibration, and it is necessary to reduce the feed rate, increase the speed, or switch to shorter/more rigid tools. A dull sound may indicate that the feed is too fast or the speed is too low.

There is no fixed formula for choosing a Wood CNC machine tool, but it is a logical process with rules to follow. Starting from materials, clarifying processing objectives, analyzing graphic features, and combining with your own equipment conditions, you can make the most suitable and economical choice from a wide variety of cutting tools. At the beginning, you can refer to the machining parameter table provided by the tool supplier and accumulate practical experience.

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