Quiz Questions Over Lathe Safety

The correct answer is "off" because it is important to always power off the machine before assembling or removing a chuck. This ensures safety and prevents any accidental activation of the machine while working with the chuck.

When filing, it is important to stand to one side because if the file is forced upward, standing to the side will allow it to go past your body instead of against it. This is a safety precaution to avoid any potential injury or harm that could occur if the file were to accidentally hit your body while filing.

Installing a tool as rigid as possible is important to prevent any excessive overhang. When a tool has too much overhang, it becomes more prone to movement and can potentially fly out during machining. Therefore, to ensure stability and safety, it is crucial to install the tool in a rigid manner, minimizing any potential risks.

Before turning on the power, it is important to ensure that the tailstock, tool holder, and the workpiece are properly secured or clamped in place. This is necessary to prevent any movement or displacement during operation, which could lead to inaccurate or faulty results.

The correct answer is "key" because the sentence states that one should never leave a chuck key or any other tool in the chuck. This is because if the machine is started, the chuck key may fly out and cause injuries. Therefore, it is important to remove the chuck key before starting the machine to ensure safety.

It is important to never change or shift gears while the workpiece is rotating because it can cause accidents or damage to the machinery. Changing gears while the workpiece is in motion can disrupt the balance and stability of the machine, leading to potential hazards. It is necessary to wait for the workpiece to come to a complete stop before making any changes to the gears.

It is important to never attempt to measure work, feel the edge, or adjust a cutting tool while the lathe is running to ensure safety. This is because the rotating lathe can pose a risk of accidents or injuries if any adjustments or measurements are attempted while it is in operation. Therefore, it is crucial to wait until the lathe is turned off before attempting any measurements or adjustments.

It is important to select the proper speed for different workpieces or drill bits based on their size. Smaller workpieces or drill bits should always run at higher speeds, as this allows for more efficient cutting and reduces the risk of damage. On the other hand, larger workpieces or drill bits should run at lower speeds to ensure stability and prevent overheating. Therefore, the correct answer is "lower" speed.

Before starting the machine, it is important to always engage the lathe chuck protective cover. This cover serves as a safety measure to prevent any accidents or injuries that may occur while operating the lathe machine. By engaging the cover, it ensures that any flying debris or fragments from the lathe chuck are contained and do not pose a risk to the operator or others in the vicinity.

The correct answer is rotating because removing or dislodging cutting chips while the part is rotating can be dangerous and cause injury. The spinning motion of the part can cause the chips to fly off at high speeds, potentially hitting someone nearby or causing damage to the machine. It is important to wait until the part has stopped rotating before attempting to remove or dislodge any cutting chips.