Tungsten carbide rotary burr is amongst the small carbide tools found in different industries including machinery, automobiles, ships, chemicals, craft carving, and so forth. They may also provide for deburring. If you’re a tungsten carbide rotary burr beginner, you may be wrongly identified as countless varieties of tungsten carbide rotary burrs. You could think just what the right shape and size of carbide rotary burrs to choose, what type is much more suitable, and just what should take note of. On this passage, there are 7 strategies for tungsten carbide rotary burrs beginners to assist you choose the one more beneficial.

One can learn from the following aspects:

1. Shape
2. Size
3. Fitting
4. Direction
5. Grease
6. Pressure
7. Speed

1. Shape

There are numerous shapes of tungsten carbide rotary burrs. They are tungsten carbide cylindrical rotary burrs (A kind), tungsten carbide cylindrical rotary burrs (C type), tungsten carbide spherical burrs (D type), tungsten carbide oval burrs (E type), tungsten carbide arch round nose burrs (F type), tungsten carbide arch pointed nose burrs (G type), tungsten carbide flame burrs (H type), tungsten carbide 60°cone burrs (J type), tungsten carbide 90°burrs (K type), tungsten carbide conical round nose burrs (L type), tungsten carbide conical pointed nose burrs (M type), tungsten carbide inverted cone burrs (N type), and the like.

2. Size

A greater carbide head has higher efficiency. So, selecting a reasonable big head can increase work and save time. The top diameter can be 3mm, 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, etc.

3. Fitting

Selecting the best chuck is very important for any tungsten carbide burrs beginner. Usually, 4 common varieties of chuck/ holders will probably be used. They’re hydraulic tool holders, multi-clamp tool holders, universal tool holders, and shrink-fit holders.

Hydraulic Tool Holders

A hydraulic tool holder is a tool-holding system well suited for most machining applications. The hydraulic tool chuck adopts a tool clamping method different from conventional chucks. The force is created by a screw mechanism. By operating the screw mechanism, uniform hydraulic pressure could be generated within the chuck. This pressure is transmitted with an expanding steel sleeve that clamps the tool.

Multi-clamp Tool Holders

The structural kind of the multi-clamp tool holder is extremely simple. The tool is firmly clamped in three positions with a ground polygonal hole. In high-speed cutting machining, multilateral clamping is an excellent tool clamping method, since the clamping from the tool is realized from the elastic deformation from the collect. The main advantage of it holder is its very compact design.

Universal Tool Holders

Universal tool holders are available in two styles. One is for light-duty machining the other is perfect for medium to heavy-duty machining. An essential advantage of the universal tool holder would it be has good vibration damping, which could improve tool life and workpiece surface finish quality, and it is costs are comparable to most high-end socket tool holding systems.

Shrink Fit Holders

Shrink fit holders depend on the leading of thermal expansion and contraction, and adopt induction technology to heat the chuck. Shrink fit tool holders have some of advantages, mainly including high radial runout accuracy, high transmission torque, and relatively small shape design. When it comes to vibration-damping performance, shrink-fit chucks are inferior to hydraulic chucks and multi-clamp chucks.

With the chucks or holders, workers also need to be careful. To begin with, workers should better utilize correct chuck for corresponding burrs and check the concentricity of the machine to prevent tremors and shock. Otherwise, it’s going to cause premature wear. Then, the grabbing position should be no less than 2/3 with the shank.

4. Direction

Just what the beginners should focus on is because must move burr head one way, from left to right, or from directly to left. In case you move it forwards and backwards, it can premature wear and cracks from the cutting edge.

5. Grease

When you are processing highly viscous materials you’d better use lubricating oil or grease in order to avoid carbide burr that doesn’t work, due to blockage of chip removal groove.

6. Pressure-use an appropriate pressure

The ideal pressure ought to be used during work. Much ruthless could cause the temperature to become too high to dissipate. It may well even result in the welding part to fall off.

7. Speed

Even though you may are certainly not using tungsten carbide burrs, RPM is definitely a significant thing you ought to worry about. For tungsten carbide rotary burrs, reasonable operating speed is essential to offer the required amount of cutting and workpiece quality.

Attempt to pick the highest speed within the allowable range, because low speed will reduce chip removal performance and convey trembling, which leads to reduced tool life and poor surface finish.

Workers ought to choose a suitable operating speed for every form of rotary carbide burr in accordance with the specific application. There are 2 methods, through which you can attempt to regulate speed with a suitable number.

Method 1

Increasing speed can improve processing quality and lengthen tool life, however it could cause the shank to break;

Method 2

Reducing speed will assist to quickly remove material but can increase the risk for system to overheat and cutting quality to fluctuate.
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