What is the primary function of the tool post in a lathe machine?

This question was previously asked in
RRB JE ME 22 Apr 2025 Shift 2 CBT 2 Official Paper
View all RRB JE Papers >
  1. To secure the workpiece firmly on the machine bed
  2. To control the feed rate and depth of cut during machining
  3. To hold and adjust the tool for a suitable working position
  4. To support the compound rest and provide rotational movement

Answer (Detailed Solution Below)

Option 3 : To hold and adjust the tool for a suitable working position
Free
General Science for All Railway Exams Mock Test
2.1 Lakh Users
20 Questions 20 Marks 15 Mins

Detailed Solution

Download Solution PDF

Explanation:

Primary Function of the Tool Post in a Lathe Machine

Definition: The tool post in a lathe machine is a crucial component designed to hold the cutting tool securely and allow precise adjustments of the tool position during machining operations. This component is fundamental in ensuring the tool's stability and precision, which are critical for achieving the desired machining results.

Working Principle: The tool post is mounted on the carriage of the lathe machine, and it typically consists of a base plate, a tool holder, and a clamping mechanism. The tool holder can accommodate various types of cutting tools, and the clamping mechanism secures the tool in place. The tool post allows the operator to adjust the tool's position in multiple directions, ensuring it is set at the correct angle and height relative to the workpiece.

Advantages:

  • Provides a secure and stable platform for the cutting tool, reducing vibrations and improving machining accuracy.
  • Allows for precise adjustments of the tool position, facilitating the machining of complex shapes and features.
  • Enhances the versatility of the lathe machine by accommodating various types of cutting tools and tool holders.

Disadvantages:

  • Requires careful setup and adjustment to ensure optimal tool positioning and machining accuracy.
  • Improper clamping or adjustment can lead to tool deflection or breakage, affecting the quality of the machined part.

Applications: The tool post is used in various machining operations on a lathe machine, including turning, facing, threading, and parting-off. It is an essential component for both manual and CNC lathes, providing the necessary support and adjustability for precise machining.

Latest RRB JE Updates

Last updated on Jun 7, 2025

-> RRB JE CBT 2 answer key 2025 for June 4 exam has been released at the official website.

-> Check Your Marks via RRB JE CBT 2 Rank Calculator 2025

-> RRB JE CBT 2 admit card 2025 has been released. 

-> RRB JE CBT 2 city intimation slip 2025 for June 4 exam has been released at the official website.

-> RRB JE CBT 2 Cancelled Shift Exam 2025 will be conducted on June 4, 2025 in offline mode. 

-> RRB JE CBT 2 Exam Analysis 2025 is Out, Candidates analysis their exam according to Shift 1 and 2 Questions and Answers.

-> The RRB JE Notification 2024 was released for 7951 vacancies for various posts of Junior Engineer, Depot Material Superintendent, Chemical & Metallurgical Assistant, Chemical Supervisor (Research) and Metallurgical Supervisor (Research). 

-> The selection process includes CBT 1, CBT 2, and Document Verification & Medical Test.

-> The candidates who will be selected will get an approximate salary range between Rs. 13,500 to Rs. 38,425.

-> Attempt RRB JE Free Current Affairs Mock Test here

-> Enhance your preparation with the RRB JE Previous Year Papers

Get Free Access Now
Hot Links: teen patti joy 51 bonus teen patti all app teen patti - 3patti cards game