Burrs

Burrs are high-precision cutting tools used in a variety of material processing applications. They are known for their ability to machine complex contours and intricate details with the highest precision and efficiency. These tools are typically made of carbide or high-speed steel (HSS) and come in various shapes and sizes to meet different requirements.

Burrs find wide application in metalworking, mold making, and fine mechanics. They are often used for deburring, chamfering, smoothing, and engraving workpieces. Particularly in the machining of materials such as metal, plastic, and wood, burrs prove to be extremely versatile and effective. Thanks to their sharp cutting edges and robust construction, they can also effortlessly machine hard and abrasive materials.

In metalworking, burrs are often used to break sharp edges and shape complex internal contours. In mold making, they are employed to create precise cavities and fine details in molds and dies. In fine mechanics, they are used to process small and complex components with high accuracy, which is particularly important in the manufacture of watches, jewelry, and medical instruments.

Burrs are also of great importance in woodworking and the plastics industry. They enable precise surface machining as well as the creation of decorative details and patterns in these materials.

The diverse shapes of burrs – including cylindrical, spherical, conical, and pointed – allow for the creation of almost any conceivable shape and surface. This flexibility makes burrs an indispensable tool for precise and complex machining tasks. They support craftsmen and industrial operations in achieving the highest quality standards and making their machining processes efficient.

What types of burrs are there?

Burrs are available in a variety of shapes and types, specifically designed for different applications and materials. The main types are:

• Cylindrical burrs: Available with or without end cut, ideal for grinding flat surfaces and edges as well as end milling.
• Ball-shaped burrs: Optimal for machining curved surfaces and deburring internal contours.
• Conical burrs: With straight or rounded end, best suited for chamfering and machining edges and complex contours.
• Tapered burrs: Perfect for precise work in tight angles and fine detail machining.
• Drop-shaped burrs: Ideal for smoothing and finishing surfaces as well as machining concave areas.
• Oval or lens-shaped burrs: Excellent for curved surfaces and finishing concave and convex areas.
• Tree-shaped burrs: With rounded or pointed tip, ideal for machining complex contours and edges.
• Flame-shaped burrs: Particularly useful for hard-to-reach areas and smoothing narrow surfaces.

Additionally, there are special shapes tailored to specific requirements. This variety of burrs allows precise and efficient machining in various industries, including metalworking, fine mechanics, mold making, as well as plastic and wood processing.

Are there accessories for burrs?

Yes, there are a variety of accessories that can be used in conjunction with burrs to enhance their performance and versatility. Here are some of the most important accessories:

• Collets and collet chucks: Collets securely hold burrs in the grinding machine or handpiece, while collet chucks allow for quick installation and change of the collets.
• Coolants and coolant systems: Coolants such as liquids or emulsions are essential for cooling and lubrication during machining. They extend the life of the burrs and improve surface quality. Coolant systems ensure precise delivery of coolant to the machining area.
• Grinding wheels and dressing tools: Grinding wheels are used for finishing and sharpening burrs. Dressing tools shape and clean the grinding wheels to ensure precise and effective use.
• Tool holders and tool change systems: Tool holders organize and securely store burrs and accessories. Automated tool change systems enable quick and safe changing of burrs, especially in CNC machines.
• Measuring and inspection devices: Micrometers and calipers check the dimensional accuracy of machined parts, while surface measurement devices control surface quality and roughness.
• Protective equipment: Safety glasses, face shields, hearing protection, and gloves protect against sparks, dust, noise, and injuries from sharp edges or hot surfaces.
• Workpiece holders and clamping devices: These secure the workpiece during machining to achieve precise and safe results. Clamping devices reduce vibrations and movement of the workpiece.
• Cleaning devices: Compressed air nozzles and brushes remove chips and dust from burrs and the work area. Ultrasonic cleaners provide thorough cleaning of burrs to maintain their performance.

What should I bear in mind when using burrs?

When using burrs, several essential factors need to be considered to ensure optimal performance, precision, and safety:

• Material Compatibility: Both the burr, which can be made from materials such as carbide or high-speed steel, and the workpiece material must be compatible.
• Speed and Feed Rate: Proper setting of speed and feed rate is crucial to prevent overheating and premature wear.
• Cooling and Lubrication: To control temperature and extend the life of the burrs, appropriate coolants and lubricants should be used.
• Tool Clamping: The burr must be clamped correctly and securely. The clamping force should be regularly checked to ensure precise machining.
• Safety Measures: Protective equipment such as safety glasses, face shields, hearing protection, and gloves are essential to prevent injuries.
• Work Environment: A clean and well-organized work environment reduces the risk of accidents.
• Workpiece Fixation: The workpiece should be stabilized and securely fixed, for example, with clamping devices, to ensure precise machining and minimal vibrations.
• Maintenance and Tool Replacement: Regular maintenance and timely replacement of worn or damaged burrs are important to maintain performance.
• Training and Technique: Proper training and knowledge in handling burrs are essential to achieve the best results. A gentle start and smooth movements during machining help minimize tool breakage and achieve high surface quality.

These points help maximize efficiency, precision, and safety when using burrs and extend the lifespan of the tools.

Our service

At SFS, not only quality but also customer care is particularly important to us. If you have any questions, you can find your contact here:

Contact customer service