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MEC3903 Mechanical Practice 3

Semester 2, 2013 External Toowoomba
Units : 0
Faculty or Section : Faculty of Engineering & Surveying
School or Department : Mechanical and Mechatronic Engineering
Version produced : 24 April 2014

Contents on this page

Staffing

Examiner: Peter Penfold
Moderator: Harry Ku

Rationale

The successful practice of the profession of Mechanical Engineering requires a clear understanding of the relationship between engineering and engineering practice. An ability to recognise when a particular theory is applicable and an ability to accommodate the deviations from the theory that occur in the real world is essential. Some knowledge of a wide range of practical techniques, proprietary devices, materials, construction methods etc is also necessary. The engineer must be able to assess a complex situation, identify the critical elements and develop a workable, cost effective solution. All of this requires considerable self-confidence, and the ability to work with and lead teams.

Synopsis

The course comprises two parts - engineering metrology and computer assisted machining. It is the aim of this course to provide students with practical skills associated with each of these areas. Metrology activities include precision measurement of component features, form and geometry utilising specialised measuring instruments and equipment. Subsequent analysis and presentation of measurement data also form part of metrology. Computer assisted machining encompasses NC programming methods, program preparation, program verification and machining utilising computer software and technologies. The activities will be carried out individually and in groups.

Objectives

The course objectives define the student learning outcomes for a course. On completion of this course, students should be able to:

  1. conduct and utilise an engineering test in accord with a given general requirement;
  2. operate a range of engineering metrology equipment and analyse the data obtained;
  3. co-operate within a team-work environment;
  4. prepare CNC programs to machine a number of simple engineering components;
  5. participate in the CNC machining process for two simple engineering components.

Topics

Description Weighting(%)
1. Metrology practical tests Alignment Testing Angle and Parallelism Measurement Dimensional Measurement Thread Measurement Spur Gear Testing Slip Gauges and Comparator Measurement Surface Finish Measurement Profile Projector Measurement 35.00
2. Computer Assisted Machining NC programming Program preparation with CAM Tool-path simulation/program verification NC machine set-up and operation Health and safety considerations when operating NC machinery 65.00

Text and materials required to be purchased or accessed

ALL textbooks and materials available to be purchased can be sourced from USQ's Online Bookshop (unless otherwise stated). (https://bookshop.usq.edu.au/bookweb/subject.cgi?year=2013&sem=02&subject1=MEC3903)

Please contact us for alternative purchase options from USQ Bookshop. (https://bookshop.usq.edu.au/contact/)

  • There are no texts or materials required for this course.

Reference materials

Reference materials are materials that, if accessed by students, may improve their knowledge and understanding of the material in the course and enrich their learning experience.
  • De Garmo, EP, Temple Black, J & Kohser, RA 2002, Materials and Processes in Manufacturing, 9th edn, Wiley, New York.
  • Gayler & Shotbolt 1990, Metrology for Engineers, 5th edn, Cassell Publishers, London.
  • MEC3204 Production Engineering Study Book 2, USQ Publication, Toowoomba.

Student workload requirements

Activity Hours
Laboratory or Practical Classes 40.00
Report Writing 10.00

Assessment details

Description Marks out of Wtg (%) Due Date Notes
REPORT 1 - CNC AND CAM 1 65 27 Sep 2013
REPORT 2 - METROLOGY 1 35 27 Sep 2013

Important assessment information

  1. Attendance requirements:
    This course requires attendance at a residential school. It is the students' responsibility to attend and participate appropriately in all activities (such as lectures, tutorials, laboratories and practical work) scheduled for them, and to study all material provided to them or required to be accessed by them to maximise their chance of meeting the objectives of the course and to be informed of course-related activities and administration.

  2. Requirements for students to complete each assessment item satisfactorily:
    To satisfactorily complete assessment one students must participate in NC machining activity and submit programs and tool-plots as prepared during the NC and CAM activities. To satisfactorily complete assessment two students must submit the results and data obtained from the metrology activities. If, in the opinion of the examiner, the accuracy of results is below the standard specified in the assessment scheme then students may be required to resubmit their assessments.

  3. Penalties for late submission of required work:
    If students submit assignments after the due date without (prior) approval of the examiner then a penalty of 5% of the total marks gained by the student for the assignment may apply for each working day late up to ten working days at which time a mark of zero may be recorded. No assignments will be accepted after model answers have been posted.

  4. Requirements for student to be awarded a passing grade in the course:
    To be assured of receiving a passing grade students must satisfactorily complete (as defined in Statement 2) at least 80% of the practical and other activities.

  5. Method used to combine assessment results to attain final grade:
    As P is the only passing grade available for this course, all students who are qualified for a passing grade, under the requirements in 4 above, will be given a grade of P. Other students will be given either a Failing grade or an Incomplete grade.

  6. Examination information:
    There is no examination in this course.

  7. Examination period when Deferred/Supplementary examinations will be held:
    Not applicable.

  8. University Student Policies:
    Students should read the USQ policies: Definitions, Assessment and Student Academic Misconduct to avoid actions which might contravene University policies and practices. These policies can be found at http://policy.usq.edu.au.

Assessment notes

  1. The due date for an assignment is the date by which a student must despatch the assignment to the USQ. The onus is on the student to provide proof of the despatch date, if requested by the Examiner.

  2. Students must retain a copy of each item submitted for assessment. This must be despatched to USQ within 24 hours if required by the Examiner.

  3. In accordance with University Policy, the Examiner may grant an extension of the due date of an assignment in extenuating circumstances.

  4. If electronic submission of assessments is specified for the course, students will be notified of this in the course Introductory Book and on the USQ Study Desk. All required electronic submission must be made through the Assignment Drop Box located on the USQ Study Desk for the course, unless directed otherwise by the examiner of the course. The due date for an electronically submitted assessment is the date by which a student must electronically submit the assignment. The assignment files must be submitted by 11.55pm on the due date using USQ time (as displayed on the clock on the course home page; that is, Australian Eastern Standard Time).

  5. If the method of assessment submission is by written, typed or printed paper-based media students should (i) submit to the Faculty Office for students enrolled in the course in the on-campus mode, or (ii) mail to the USQ for students enrolled in the course in the external mode. The due date for the assessment is the date by which a student must (i) submit the assessment for students enrolled in the on-campus mode, or (ii) mail the assessment for students enrolled in the external mode.

  6. The Faculty will NOT normally accept submission of assessments by facsimile or email.

  7. Students who do not have regular access to postal services for the submission of paper-based assessments, or regular access to Internet services for electronic submission, or are otherwise disadvantaged by these regulations may be given special consideration. They should contact the examiner of the course to negotiate such special arrangements prior to the submission date.

  8. Students who have undertaken all of the required assessments in a course but who have failed to meet some of the specified objectives of a course within the normally prescribed time may be awarded the temporary grade: IM (Incomplete - Make up). An IM grade will only be awarded when, in the opinion of the examiner, a student will be able to achieve the remaining objectives of the course after a period of non-directed personal study.

  9. Students who, for medical, family/personal, or employment-related reasons, are unable to complete an assignment or to sit for an examination at the scheduled time may apply to defer an assessment in a course. Such a request must be accompanied by appropriate supporting documentation. One of the following temporary grades may be awarded IDS (Incomplete - Deferred Examination; IDM (Incomplete Deferred Make-up); IDB (Incomplete - Both Deferred Examination and Deferred Make-up).

  10. Harvard (AGPS) is the referencing system required in this course. Students should use Harvard (AGPS) style in their assignments to format details of the information sources they have cited in their work. The Harvard (AGPS) style to be used is defined by the USQ Library's referencing guide.
    http://www.usq.edu.au/library/referencing