The amount of air needed for a pneumatic angle grinder can vary depending on the specific model and brand. However, on average, a pneumatic angle grinder typically requires around 170-200 liters per minute (L/min) of air to operate efficiently. It is important to check the manufacturer's specifications for the specific model you are using to ensure you have the appropriate air supply for optimal performance. **

The best cordless angle grinder for you will depend on your specific needs and budget. Some popular options include the DEWALT DCG413B, Makita XAG04Z, and Milwaukee 2780-20. Consider factors such as battery life, power, and ergonomics when making your decision. It's also important to read reviews and compare features to find the best option for your particular projects. **

The choice between an angle grinder and a reciprocating saw depends on the specific task at hand. An angle grinder is typically used for cutting, grinding, and polishing metal, while a reciprocating saw is better suited for cutting through wood, metal, and other materials in a straight or curved line. Consider the material you will be working with and the type of cut you need to make when deciding between an angle grinder and a reciprocating saw. **

Based on the information provided, it seems that the angle grinder Flex may be defective as it is not functioning properly and causing sparks and smoke. It is important to stop using the grinder immediately for safety reasons and contact the manufacturer or retailer for a possible replacement or repair. Defective tools can be dangerous and should not be used until the issue is resolved. **

Yes, you can cut wood with an angle grinder by using a wood-cutting blade specifically designed for this purpose. However, it is important to note that angle grinders are primarily designed for cutting metal and masonry, so using them on wood can be less precise and may cause splintering. It is recommended to use a circular saw or a jigsaw for more accurate and cleaner cuts on wood. **

The angle grinder may not be working anymore due to a variety of reasons. It could be a problem with the power source, such as a blown fuse or a tripped circuit breaker. It could also be an issue with the grinder itself, such as a worn-out motor or damaged wiring. Additionally, the grinder may have overheated and shut off as a safety precaution. It is important to troubleshoot the specific issue to determine the cause of the problem and take appropriate action to fix it. **

The energy requirement of an angle grinder can vary depending on its power rating and the intensity of its use. Typically, a small angle grinder with a power rating of around 500 watts may require about 2-3 amps of electricity to operate. However, larger angle grinders with higher power ratings can require more energy, sometimes up to 10-15 amps. It's important to check the specific power rating and energy requirements of the angle grinder in question to ensure it is compatible with the power source available. **

Yes, you can cut wood with an angle grinder by using a wood cutting blade. However, it is important to use the appropriate blade for cutting wood and to take proper safety precautions, such as wearing protective eyewear and gloves. Additionally, it is important to secure the wood properly before cutting to prevent any accidents. Always follow the manufacturer's instructions and guidelines for using an angle grinder for cutting wood. **