Standards

 Posted: 10/09/07

R State Standard

£ Institutionally Developed

College: n/a

MCA 208 – Advanced Grinding I

Course Description

Provides instruction in advanced grinding operations and procedures. Emphasis is placed on skill development through laboratory experiences. Topics include: surface grinding, cylindrical grinding, tool and cutter grinding, grinding theory, and safety.

Competency Areas	Hours
Surface Grinding	Class	1
Cylindrical Grinding	D. Lab	4
Tool and Cutter Grinding	P. Lab/O.B.I.	0
Grinding Theory	Credit	3
Safety

Prerequisite:	MCH 112
Corequisite:

Course Guide

Competency	After completing this section, the student will:	Hours
		Class	D.Lab	P.Lab/ O.B.I.
SURFACE GRINDERS		3	15	0
General information	Define the terms used in grinding operations.
	Explain how surface grinding machines work.
	Describe procedure to set up power cross feeds and cross feed positive stops.
	List the types of workholding devices used in surface grinding.
Application	Demonstrate dressing and turning grinding wheels.
	Set up a surface grinder to grind a straight flat surface to very small tolerances.
	Set feeds and speeds, stops and reversing dogs, and power longitudinal power feeds on both horizontal and vertical spindle surface grinders.
	Select and set up the equipment needed to grind internal surfaces.
CYLINDRICAL GRINDING		3	15	0
General information	Describe the machine accessories for cylindrical work.
	Determine work surface speeds for specified workpieces and wheel speed rpm.
Setup	Set up the surface grinder with a turn wheel, head and foot stock, and workpiece.
Application	Grind workpieces to specified size and finish. Grind a tapered workpiece to a specified size and finish.
TOOL AND CUTTER GRINDING		2	9	0
General information	Explain the use of a clearance table for sharpening milling cutters with a disk wheel.
	Demonstrate the use of a cylindrical grinder to sharpen milling cutters with straight teeth.
	Determine cutting speeds and depth of cut for high speed steel, cast nonferrous, and sintered carbide milling cutters.
	Explain the cutting procedures for sharpening end mill cutters.
Setup and application	Set up a surface grinder to sharpen horizontal milling cutters and end mill cutters.
GRINDING THEORY		1	0	0
	Explain each of the speed and feed formulas needed to perform safe surface grinding operations.
	Explain the marking for identifying grinding wheels and other bonded abrasives.
	Show how grinding wheel charts are used for grinding specified materials, types, shapes, or size of grinding wheels.
	Explain how bonds affect the speed limitation of grinding wheels.
SAFETY		1	1	0
	Identify safety procedures for setup and operation of grinding machinery.
	Demonstrate safety procedures for setup and operation of grinding machinery.

Suggested Resources

Books

ASM International. (1987). Tool materials for high-speed machining. Materials Park, OH: Author.

ASM International. (1988). Machining source book. Materials Park, OH: Author.

ASM International. (1989). Machining metals handbook (Vol. 16). Materials Park, OH: Author.

Baril, R. (1987). Modern machining technology. Albany, NY: Delmar.

Business Communications Staff. (1986). Advanced high technology machining systems. Norwalk, CT: Author.

Malkin, S. (1989). Grinding technology: Theory and applications of machining with abrasives. New York: Halsted Press.

McGeough, J. A. (1988). Advanced methods of machining. New York: Chapman & Hall.

Smith, G. T. (1989). Advanced machining. New York: Springer-Verlag.

Posted: 10/09/07