COVID-19 College Update | March 31, 2020

In accordance with Governor Wolf’s directive, the College’s physical campuses and centers will remain closed through April 30. However, all courses, student support services and College operations are occurring remotely. The College continues to serve students and the communities of Delaware and Chester Counties. Please visit for more information.
Delaware County Community College, Serving Delaware and Chester Counties

MTT 112 - Lathe Operations I

Course Description

This course provides instruction in the terminology, design, setup, operation, and daily care of conventional metal working engine and related lathes. Theory and practical skill development exercises will focus on cutting tool preparations for completing external surface machining such as; straight turning, threading, chucking and tailstock operations. Accident prevention practices and procedures will be stressed throughout the course. Upon successful completion of this course, students should be able to: Lubricate, clean, and perform commonly assigned operator maintenance duties for a lathe. Interpret work-related documents for piece-part machining on a lathe. Utilize appropriate terminology and accident prevention practices and procedures while referring to, and using lathes, and related accessories. Research design criteria and sharpen lathe tools and twist drills via off-hand grinding. Utilize detail drawings, calculations, layout tools, precision measuring instruments and appropriate techniques to prepare parts for manufacture on a lathe and verify part dimensions during inspection procedures. Identify, select, mount, set-up and adjust appropriate machine tool accessories, attachments, work holding and tool holding devices, cutting tools, and work-pieces in preparation for performing lathe operations. Calculate and set speeds/feeds in order to perform lathe operations such as facing, chamfering, center drilling, drilling, reaming, turning, necking, grooving, parting, knurling, external threading as well as hand tapping, filing, polishing, and de-burring.
Credit Hours: 3
Lecture Hours: 2
Lab Hours: 2

Course Prerequisites: Coreq. MTT 108, MTT 110, MTT 111