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Module I: introduction to CNC technology & programming
Introduction to CNC technology – CNC machines controls. History & development of CNC technology.
Conventional Vs. non-conventional machine tool. Numerical control on CNC machine tools CNC control and CNC Control and types of CNC control Calculation of technological data for CNC machining. CNC clamping system.
Expt1: Identification of different parts of CNC lathe including data input
Expt2: Identification of different parts of CNC mill including data input
Module II: Drawing interpretation
Drawing interpretation practice, identifying feature from sketch and operation from feature
Expt3: Practice on CNC controller using on-screen simulation for generating different profile
Module III: CNC programming
Introduction to CNC programming Introduction and demonstration of line programs CNC programming or lathe & milling machine using iso codes into the CNC simulator. CNC programming for lathe and milling machines using different machining cycles into the CNC simulator. Procedures Associated with part programming, Cutting process parameter selection, Process planning issues and path planning, G & M Codes, Interpolations, Canned Cycles and Subprograms.
Expt4: Writing simple code and test on controller for CNC lathe
Expt5: Writing simple code and test on controller for CNC mill
Expt6: programming canned cycles for simple profile
Module IV: Program generation for CNC milling and turning
Tool compensations Exposure for programming and simulator of FANUC, SINUMERIC
Expt 7: Machining of programmed exercise on CNC lathe machine.
Expt 8: Machining of programmed exercise on CNC milling machine.
Module V: Programming for CNC Turning and Milling
Plan and optimize programs for CNC turning and milling operations. Calculate parameters like speed feed and depth of
cut etc. and set references for the various operations. Prepare operation and operation sequence for the lathe operations like turning, grooving etc. Prepare & set CNC lathe operations and test run programmed Execute program and inspect simple geometrical forms / standard parts Use of various PPE’s on CNC lathe machine. Prepare & set CNC Milling operations and test run programmed. Execute program and inspect simple geometrical forms / standard parts. Use of various PPE’s on CNC milling machine.
Expt 9-12: Programming for complex shape cylindrical and prismatic objects with parameter selection, machining. (at least 4 exercises)
Module VI: Modern CNC systems
Introduction to advanced CNC systems: Computer Aided Part Programming (CAPP), it’s application using Solidworks/MasterCAM. comparison of manual part programming and CAPP for a simple component, Automatic Tool Changer, Automatic Pallet Control, Automatic Storage & Retrieval Systems.
Expt 13: comparison of manual part programming and CAPP for a simple component
Course outline Prepared by; Sudeep Kumar Singh Date:21/05/2020
Source of reference; 1. curriculum PG Dploma Tool Desgn and CAD/CAM-level-8
To be given by the subject teacher based on the content covered.
Programming for complex shape cylindrical objects with parameter selection, machining(at least 3 exercises)
Programming for complex shape prismatic objects with parameter selection, machining(at least 3 exercises)
Based on the below case studies develop a presentation product to identify skills gained during the training. Specifically identify the process/institutional changes required for the CNC operations.
Sudeep currently working as Assistant Professor in Mechanical Engg. Dept, Centurion University of Technology and Management, bears a long experience of 12+ years in teaching and research. Prior to that he also has worked in manufacturing industry like Apollo Tyres Ltd(Vadodara Plant), Project Technologists Pvt. Ltd. and Vishav Components Sourcing India Pvt. Ltd. He has […]