CNC Safety

Explanation
It is important to have prior instructions before operating any CNC machine to ensure safety and avoid any potential damage or accidents. Instructions provide guidance on how to properly use the machine, including setting it up, programming it, and operating it correctly. Without instructions, there is a higher risk of making mistakes or not knowing how to handle the machine properly. Therefore, it is crucial to have instructions before operating a CNC machine.

Explanation
The correct answer is "emergency" because it is important to be familiar with the procedure to stop the CNC machine in case of an emergency situation. This implies that there may be certain protocols or steps that need to be followed to ensure the safety of individuals and prevent any further damage or harm. Being prepared and knowledgeable about how to handle emergencies is crucial in any setting, especially when operating machinery or equipment.

Explanation
Leaving a CNC machine running can be dangerous as it can cause accidents and injuries. It is important to always ensure the machine is turned off and properly shut down before leaving it unattended.

Explanation
It is important to always double-check the RPM and Feedrate settings before machining to ensure accuracy and prevent any potential errors or damage. This involves carefully reviewing and verifying the settings to ensure they are correct and suitable for the specific machining process. Adjusting or tweaking the settings may also be necessary, but the initial step should always be to double-check them. Programming refers to the process of creating or inputting the instructions for the machine, which is not directly related to checking the settings.

Explanation
To ensure the smooth and accurate execution of a program on CNC machines, it is important to make sure that the correct program is loaded. Rushing the execution without verifying the program can lead to errors, malfunctions, or even accidents. Therefore, it is crucial to take the necessary time and caution to ensure that the correct program is loaded before proceeding with the CNC machine operations.

Explanation
It is important to never operate a CNC machine if you are not feeling 100% and could not concentrate. Operating a CNC machine requires focus and attention to detail, as any mistakes or lack of concentration could lead to accidents or damage to the machine. It is crucial to prioritize safety and ensure that you are in the right physical and mental state before operating a CNC machine.

Explanation
The correct answer is "personal" because it is important to follow personal safety precautions before operating a CNC machine. This includes wearing appropriate protective gear such as goggles, gloves, and safety shoes, as well as ensuring that loose clothing or jewelry is not worn while operating the machine. Personal safety precautions are necessary to prevent accidents and injuries to the individual operating the machine.

Explanation
The correct answer is "built-in". This means that one should never override any safety functions that are already integrated into the CNC machines. These safety functions are designed to ensure the safe operation of the machines and should not be tampered with or bypassed in any way. Doing so could pose a risk to the operator and others in the vicinity.

Explanation
The correct answer is "clamped". When working on a workpiece, it is important to ensure that it is securely held in place. Clamping the workpiece prevents it from moving or shifting during the work process, which can lead to inaccuracies or accidents. By securely clamping the workpiece, it provides stability and allows for precise and safe work to be done.

Explanation
When installing tools, it is important to set each individual offset. This means adjusting the position of the tool in relation to the workpiece or the reference point. The offset determines the distance between the tool and the desired location of the cut or operation. By setting the correct offset, the tool will be properly aligned and positioned for accurate and precise machining or cutting.