MCHT 1120 Syllabus

Subject Code

MCHT

Course Number

1120

Course Title

Mill Operations I

Prerequisites

MATH 1012 or MATH 1111 or MCHT 1013, MCHT 1011

Corequisites

Terms Offered

Offered Summer and Fall

Credit Hours

(1-6-3)

Course Description

This course provides instruction in the setup and use of milling machines. Topics include safety, milling machines, milling machine setup, and milling machine operations. Students must pay a $30 supply fee when registering for this course.

Course Outcomes

Surface Grinders and Surface Grinder Maintenance
  O
rder        Description

1           Test grinding wheels.

2           Maintain grinding coolant system.

3           Perform basic surface grinder maintenance.

4           Store grinding wheels.

5           Perform safe grinding.

6           Calculate speed and feed limits for surface grinding.

7           Calculate maximum and minimum acceptable sizes of the workpiece from tolerances
  specified.

       8           Determine size, type, and hardness of material from blueprint specifications.

9           Translate tolerances to the range of acceptable finished sizes.

10          Find the basic size.

11          Define actual size.

 

Surface Grinder Setup
  O
rder        Description

1           Select grinding wheel using manufacturer's wheel data charts.

2           Ring test grinding wheels.

3           Inspect, mount, and dress surface grinding wheels.

4           Calculate and set surface grinding feeds and depth of cut.

5           Plan sequence of surface grinding operations.

       6           Setup surface grinder for manual operations.

  7           Setup surface grinder for automatic operations.

 

Surface Grinder Operations
  O
rder       Description

1            Grind parallel surfaces on surface grinder.

2            Grind parts square on surface grinder.

3            Grind vertical surface on surface grinder.

4            Grind angles on surface grinder.

5            Grind radii on surface grinder.

6            Grind profiles on surface grinder.

7            Remove warp using surface grinder.

8            Cut off parts on surface grinder.

9            Inspect ground parts.

 

Safety
  O
rder       Description
     1            Demonstrate shop safety awareness.

 

 

 

 

 

Safety

 

Order                 Description

1                     Identify and demonstrate safe heat treatment procedures.

 

Metallurgy

 

Order                 Description

1                     Define all the terms that describe the physical properties of metals.

2                    Describe non-ferrous metal, and the purification processes for the common non-ferrous metals used in industry.

3                    Outline the variation found in steel alloys, and how each affects the physical properties, cost, and machinability of the steel.

4                     Explain crystal structure of metals.

5                    Explain the numbering system used by the agencies that set standards for production of metal alloys.

6                     Discuss metallurgical properties of ferrous and non-ferrous metals.

7                     Discuss the advantages and uses of coatings or plating on metals.

 

Heat Treatment

 

Order                 Description

1                    Define the terms used for each type of heat treatment (example: hardening, anneal, temper, draw, etc).

2                    Explain upper and lower critical temperature, austinizing temperature, phase change temperature, and tempering limits on temperature.

3                     List the quenching solutions by their rank in severity and rate of agitation.

4                     Explain how the severity of quenching is compared to that of still water.

5                    Explain how severity of the quenching process affects the physical properties of the metal.

6                     Determine the hardness of metals with a Rockwell hardness tester.

7                    Explain how pendulum testing, charpy test, and tensile testers relate to the properties of metals.

8                     Discuss the affect of heat on cutting tools and the cutting process.