MODULE DESCRIPTION Module code Module name Module name in English Valid from academic year 2012/2013 MODULE PLACEMENT IN THE SYLLABUS Obrabiarki Sterowane Numerycznie Numerically Controlled Machine Tools Subject Level of education Studies profile Form and method of conducting Specialisation Unit conducting the module Module co-ordinator Mechanics and Machine Design 1 st degree (1st degree / 2nd degree) General (general / practical) Full-time (full-time / part-time) Computer-Aided Manufacturing The Department of Manufacturing Engineering and Metrology Edward Miko, PhD hab., Eng., Professor of the University Approved by: MODULE OVERVIEW Type of subject/group of subjects Module status Language of conducting Module placement in the syllabus - semester Subject realisation in the academic year Initial requirements Examination Number of ECTS credit points 6 Major (basic / major / specialist subject / conjoint / other HES) Compulsory (compulsory / non-compulsory) English 6 th semester Summer semester (winter / summer) Machining, Cutting Tools, Computer-Aided Technological Processes, Computer-Aided Design, Machine Design Technology, Materials Science, Metrology, Computer Graphics (module codes / module names) Yes (yes / no) Method of conducting Lecture Classes Laboratory Project Other
Per semester 30 30 TEACHING RESULTS AND THE METHODS OF ASSESSING TEACHING RESULTS Module target The aim of the module is to acquire knowledge and skills as regards programming numerically controlled machine tools. Other aims include: familiarising students with programming techniques, selecting machining process, cutting parameters, and tools for the selected production assignment; acquiring practical skills as regards handling controllers of the selected numerically controlled machine tools. Effect symbol Teaching results Teaching methods (l/c//other) Reference to subject effects Reference to effects of a field of study A student has knowledge as regards the construction, technological possibilities, and application of CNC machine tools. A student has also knowledge how to select machine tools for a specific production task. In addition, a student has knowledge on axial systems of machine tools, handling machine tools, a screen, managing files, tool boxes, operation modes, and creating machining programs. A student has knowledge as regards the structure of the CNC program, the structure of a program verse, selecting cutting parameters and tools. Additionally, a student is knowledgeable about the application of the shaping track function and machining cycles. Finally, a student is knowledgeable about programming program loops. A student is capable of selecting machining parameters and machines for a particular technological task. Moreover, a student can select a source material and a machine tool for making a determined production task. A student can create a machining program on the basis of shape track functions as well as machining cycles. A student understands the necessity of personal development as regards numerically controlled machine tools. A student is aware of the importance of the decisions made as regards programming numerically controlled machine tools in terms of their interaction on the natural environment and the responsibility for the decisions made. l KS_W01_KWW KS_W01_KWW KS_U01_KWW KS_U01_KWW K_K01 K_K02 T1A_W06 T1A_W07 InzA_W01 InzA_W02 InzA_W05 T1A_W06 T1A_W07 InzA_W01 InzA_W02 InzA_W05 T1A_W08 T1A_W09 T1A_W013 T1A_W16 InzA_U07 InzA_U08 T1A_W08 T1A_W09 T1A_W013 T1A_W16 InzA_U07 InzA_U08 T1A_K01 T1A_K02 InzA_K01 Teaching contents: Teaching contents as regards lectures Lecture number Teaching contents Reference to teaching results for a module
1 Basic notions and definitions. The principle of operation as regards a numerically controlled machine tool. Characteristic features as regards numerically controlled machine tools. 2 Coordinate axes and movement diversions. The structure of numerically controlled machine tools. 3 The classification of control systems. Characteristic feature of control systems. Point, section, shape, and mixed control. Interpolators. Linear, circular, screw, parabolic, and cubic interpolation. 4 Computer-aided CNC. A technological program and programming methods of numerically controlled machine tools. The record and structure of the control program. Information block format. The classification of functions appearing in information blocks. 5 Preparatory functions. Support functions. Discussing the operation and formats. 6 General principles of hand program preparation. The procedure of planning and programming. Program documentation. The methods of controlling the program. 7 Programming lathes. The correction of tool position. Typical preparatory and support functions in lathe machining as regards utilized lathe programming based on the CNC CYCLONE programming with the FANUC OT control system. 8 Machining cycles applied during turning. 9 Programming milling machines. The correction of tool position. Characteristic preparatory and support functions utilised in programming milling machines based on the HEIDENHAIN control system. 10 Programming milling machines and milling centres in the HEIDENHAIN 530 programming language. 11 Machining cycles applied in milling machining. 12 Automated programming. The criteria of selecting machine programming system. Introduction to CAD/CAM. Teaching contents as regards project Project class number Teaching contents 1 Introduction. The principles of obtaining a credit for the subject. OHS. A CNC lathe axial system of the machine tool, its construction, and basic equipment element. A control panel, function buttons, and basic operation modes. 2 Preparing a technological process of a lathed object according to the submitted drawing: selecting a parent substance; dividing a process according to operation, processes, settings; determining machining bases and the fixing method; selecting cutting tools and cutting parameters. 3 Work with the tool box. Measuring a tool; presenting available methods. Determining the zero of the programme. 4 Preparing a control program with the use of machining cycles applied during turning. Preparing the documentation of a detail machining control program on a lathe. 5 The transmission of a sample machining program. Preparing machine tools to make a program, a simulation. Making a detail on the basis of the prepared program on a lathe. Detail measurement. 6 CNC milling machine machine toll axial system, its construction, basic equipment element. Control panel, function keys, and basic operation types. Reference to teaching results for a module
7 The cycles of a measuring probe in operation modes and a rotating wheel applied on CNC lathes and lathing centres. A review of the available cycles. Tool data. Tool measurement. Tool box editing. Position table editing. The operation of the preset table in various machine configuration. Editing reference point in the preset table. 8 The fundamentals of programming on CNC lathes and lathing centres. Verse structure and the position of the machined object. Shape track functions. Approach and deproach. Programming a simple contour according to a drawing. 9 The positions of the machined object: absolute positions of the machined object (G90). Incremental positions of the machined object (G91). Radius correction. 10 A cycle review on CNC milling machines and milling centres. Cycles for drilling pockets, pins, and grove milling. Defining cycles. Cycle induction. 11 Cycles for making point patterns, point patterns on a circle and point patterns on lines. 12 Calculating co-ordinates and general information: determining a reference point (base). The zero point. A mirror reflection. A turn. 13 Transmitting a sample machine tool program Preparing a machine tool for making a program, simulating (tool measurement, setting the zero position for the program). Program simulation in a controller. Making an object on the basis of the prepared program on the milling machine. Measuring the machined object. 14 Obtaining a credit for the subject. The methods of assessing teaching results Effect symbol Methods of assessing teaching results (assessment method, including skills reference to a particular project, laboratory assignments, etc.) An examination, a project, and a final test An examination, a project, and a final test An examination, a student s involvement during project, a student s independent project, and a final test An examination, a student s involvement during project, a student s independent project, and a final test Observing a student s involvement during the, a discussion during project Observing a student s involvement during the, a discussion during obtaining a credit for the project STUDENT S INPUT ECTS credit points Type of student s activity Student s workload 1 Participation in lectures 30 2 Participation in 3 Participation in laboratories 4 Participation in tutorials (2-3 times per semester) 15 5 Participation in project 30 6 Project tutorials 15
7 Participation in an examination 2 8 Participation in a final test on laboratory 9 Number of hours requiring a lecturer s assistance 92 (sum) 10 Number of ECTS credit points which are allocated for assisted work 3 11 Unassisted study of lecture subjects 20 12 Unassisted preparation for 13 Unassisted preparation for tests 14 Unassisted preparation for laboratories 15 Preparing reports 16 Preparing for a final laboratory test 17 Preparing a project or documentation 20 18 Preparing for an examination 10 19 Preparing questionnaires 20 Number of hours of a student s unassisted work 50 (sum) 21 Number of ECTS credit points which a student receives for unassisted work 22 Total number of hours of a student s work 132 23 ECTS credit points per module 1 ECTS credit point=25-30 hours 6 24 Work input connected with practical Total number of hours connected with practical 50 25 Number of ECTS credit points which a student receives for practical 2 2