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Which of the following statement is true with respect to the computer numerical control machine tools?
  • a)
    The lead screws of the work table of CNC milling machines are driven by stepper motors
  • b)
    Automatic tool changer is common and unique feature of machining centers
  • c)
    Flexible automation substantially reduces machine cost
  • d)
    The preparatory code GOI (used while part programming in NC machine tools) stands for circular interpolation (CW)
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the following statement is true with respect to the computer ...
The correct answer is option 'B': Automatic tool changer is a common and unique feature of machining centers.

Explanation:

Machining centers are computer numerical control (CNC) machine tools that are used for a variety of machining operations such as milling, drilling, and tapping. They are designed to automate the manufacturing process and improve efficiency and productivity.

Automatic Tool Changer:
One of the key features of machining centers is the automatic tool changer. This feature allows for the automatic changing of cutting tools during the machining process. The tool changer is typically a carousel or magazine that holds multiple tools, and it is controlled by the CNC system. When a different tool is required for a specific operation, the CNC system commands the tool changer to select and replace the current tool with the desired one. This eliminates the need for manual tool changes, reducing downtime and increasing productivity.

Advantages of Automatic Tool Changer:
1. Increased Efficiency: With the automatic tool changer, machining centers can perform multiple operations without the need for manual tool changes. This significantly reduces the setup time and increases the overall efficiency of the machining process.
2. Versatility: The ability to automatically change tools allows machining centers to perform a wide range of operations without operator intervention. This makes them highly versatile and suitable for various machining applications.
3. Reduced Downtime: Manual tool changes can be time-consuming, especially for complex machining operations. The automatic tool changer eliminates the need for manual intervention, reducing downtime and improving productivity.
4. Improved Accuracy: The CNC system ensures precise tool positioning and alignment during tool changes. This results in improved accuracy and consistency in machining operations.
5. Flexibility: The tool changer can accommodate different types and sizes of cutting tools, providing flexibility in machining operations. It allows for quick and easy tool selection based on the specific requirements of the job.

In conclusion, the automatic tool changer is a common and unique feature of machining centers, which sets them apart from other CNC machine tools. It offers numerous advantages such as increased efficiency, versatility, reduced downtime, improved accuracy, and flexibility in machining operations.
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Community Answer
Which of the following statement is true with respect to the computer ...
Machining centers, are characterized mainly by their automatic and quick tool change by automatic tool changer.
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Which of the following statement is true with respect to the computer numerical control machine tools?a)The lead screws of the work table of CNC milling machines are driven by stepper motorsb)Automatic tool changer is common and unique feature of machining centersc)Flexible automation substantially reduces machine costd)The preparatory code GOI (used while part programming in NC machine tools) stands for circular interpolation (CW) Correct answer is option 'B'. Can you explain this answer?
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Which of the following statement is true with respect to the computer numerical control machine tools?a)The lead screws of the work table of CNC milling machines are driven by stepper motorsb)Automatic tool changer is common and unique feature of machining centersc)Flexible automation substantially reduces machine costd)The preparatory code GOI (used while part programming in NC machine tools) stands for circular interpolation (CW) Correct answer is option 'B'. Can you explain this answer? for Mechanical Engineering 2024 is part of Mechanical Engineering preparation. The Question and answers have been prepared according to the Mechanical Engineering exam syllabus. Information about Which of the following statement is true with respect to the computer numerical control machine tools?a)The lead screws of the work table of CNC milling machines are driven by stepper motorsb)Automatic tool changer is common and unique feature of machining centersc)Flexible automation substantially reduces machine costd)The preparatory code GOI (used while part programming in NC machine tools) stands for circular interpolation (CW) Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Mechanical Engineering 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statement is true with respect to the computer numerical control machine tools?a)The lead screws of the work table of CNC milling machines are driven by stepper motorsb)Automatic tool changer is common and unique feature of machining centersc)Flexible automation substantially reduces machine costd)The preparatory code GOI (used while part programming in NC machine tools) stands for circular interpolation (CW) Correct answer is option 'B'. Can you explain this answer?.
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