Standard |
MCH 101 - Introduction to Machine Tool
Introduces the fundamental concepts and procedures necessary for the safe and efficient use of basic machine tools. Topics include: use of hand and bench tools, use of power tools, analysis of measurements, safety and terminology, saw and blade selection, feed and speeds determination, use of coolants, saw and blade maintenance, sawing operations, drilling setup and operation, ISO 9000, Deming's quality theory, quality goals and objectives, and coordinate measurement machines (CMM).
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Competency Areas |
Hours
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Use of Hand and Bench Tools |
Class |
2 |
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Use of Power Tools |
D. Lab |
8 |
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Analysis of Measurements |
P. Lab/O.B.I. |
0 |
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Saw and Blade Selection |
Credit |
6 |
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Feed and Speeds Determination |
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Use of Coolants |
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Safety and Terminology |
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Saw and Blade Maintenance |
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Sawing Operations |
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Drilling Setup and Operation |
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ISO 9000 |
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Deming's Quality Theory |
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Quality Goals and Objectives |
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Prerequisite: |
Provisional admission |
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Corequisite: |
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Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D.Lab |
P.Lab/ O.B.I. |
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USE OF HAND AND BENCH TOOLS |
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Hand tools |
Cut threads with taps and dies. |
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Remove threaded fasteners and repair threads. |
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Sharpen and polish tools using abrasive stones. |
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Disassemble, assemble, and straighten parts using arbor
press. |
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Disassemble, fit, and reassemble parts. |
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Work materials with hand tools. |
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Demonstrate correct use of files. |
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Use other tools (hacksaws, chisels, screwdrivers, punches,
hand wrenches, and pliers). |
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Cut keyways with broach. |
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USE OF POWER TOOLS
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Portable power tools |
Demonstrate safe use and handling of portable power tools
(drill, grinders). |
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Finishing parts |
Polish parts using coated abrasives. |
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Finish parts with hand grinders. |
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Polish and buff parts with portable hand tools. |
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Set up and use hone to apply specified surface in hole and
fit to part or size. |
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Work materials with portable power tools. |
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ANALYSIS OF MEASUREMENTS |
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Inspection |
Inspect parts with precision measuring tools. |
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Inspect parts with comparison measuring tools. |
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Set up and inspect parts using dial indicators. |
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Inspect and measure keyways. |
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Inspect surface finish of parts. |
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Inspect parts according to quality control and inspection
standards and procedures. |
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Inspect machined parts. |
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Inspect assemblies. |
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Inspect parts with metric measuring instruments. |
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Verification |
Measure parts using optical comparators. |
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Measure parts using electronic measuring tools. |
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Verify dimensions. |
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Verify alignments. |
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Verify clearance fit or interference fit. |
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Analysis and action |
Define steps to be taken to correct procedures that have
resulted in faulty or rejected parts. |
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Explain the use of Pareto and fishbone charts. |
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SAFETY AND
TERMINOLOGY |
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SAW AND BLADE SELECTION |
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Type of machine |
Explain the various types of saws (cold saws, vertical and
horizontal band saws, and power hacksaws). |
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Determine which type of saw should be used to cut the
workpiece to blueprint specifications. |
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Geometry of workpiece |
Describe how the geometric shape of the workpiece would
affect the machine selection and workholding device. |
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Type of material |
Explain how the type of material dictates the type of
blade, pitch, and machine which would be used in cut-off operations. |
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Types of blades available for a specific function |
Use H.S.S. and bi-metal band saw blade tables. |
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List the types of hacksaw and circular saw blades that are
available. |
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Pitch and set |
Define pitch, set, and the variations of pitch or set that
are available on the cut-off and band saw. |
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Use correct pitch for size and type of material. |
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FEED AND SPEEDS DETERMINATION |
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Feed and speed tables |
Use feed and speed tables to set up machines. |
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Feed and speed calculations via Machinist's Handbook
formulas |
Calculate and set cutting feed and speed rate for sawing. |
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USE OF COOLANTS
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