Tool and Diemaking Faculty

Meet Your Professor(s)

Mark Rosenberry

Program Chair

Ankeny Campus

515-964-6452

Industry Expertise
Die repair
Geometric Dimensioning and Tolerancing (GD&T)

Courses Typically Taught:
MFG 105 - Machine Shop Measuring
MFG 121 - Machine Trade Printreading I
MFG 132 - Machine Trade Printreading II
MFG 260 - Mill Operations Theory
MFG 261 - Milling Operations Lab
MFG 276 - Hand & Bench Machine Tools
MFG 273 - Mill Operations II
MFG 274 - Mill Operations Lab II
MFG 290 - Heat Treatments
MFG 270 - Grinders Theory
MFG 271 - Grinders Lab
MFG 140 - Geometric Dimension/Tolerance

Dale Collins

Associate Professor

Ankeny Campus

515-964-6845

decollins@dmacc.edu

Industry Expertise:
Journeyman Tool and Diemaker
Journeyman Mold Maker
CNC Machining
Welded and Machined Fabrications

Courses Typically Taught:

MFG 105 - Machine Shop Measuring
MFG 121 - Machine Trade Printreading I
MFG 132 - Machine Trade Printreading II
MFG 260 - Mill Operations Theory
MFG 261 - Milling Operations Lab
MFG 330 - CNC Mill Operations Theory
MFG 331 - CNC Mill Operations Lab
MFG 350 - CNC Lathe Operations
MFG 351 - CNC Lathe Operations Lab

Dennis Knittel

Professor

Ankeny Campus

515-964-6451

dwknittel@dmacc.edu

Industry Expertise:
Die Repair
Fixture design

Courses Typically Taught:
MFG 105 - Machine Shop Measuring
MFG 121 - Machine Trade Printreading I
MFG 250 - Engine Lathe Theory
MFG 251 - Engine Lathe Operations Lab
MFG 252 - Engine Lathe Theory II
MFG 253 - Engine Lathe Operations Lab II
MFG 260 - Mill Operations Theory
MFG 261 - Milling Operations Lab
MFG 276 - Hand & Bench Machine Tools

John Neumayer

Professor

Ankeny Campus

515-964-6416

jfneumayer@dmacc.edu

Industry Expertise:
Journeyman Tool and Diemaker
Electrical Discharge Machining (EDM)
Jigs, Fixtures, Molds and Dies
Computer-Aided Design (SOLIDWORKS)
Computer-Aided Manufacturing (Mastercam)
CNC

Courses Typically Taught:
CAD 139 - Intro to CAD/CAM
CAD 184 - SolidWorks for Die Design
MFG 402 - Basic Diemaking Theory
MFG 403 - Basic Diemaking Lab
MFG 381 - EDM Fundamentals
MFG 411 - Progressive Die Design
MFG 412 - Advanced Diemaking Theory
MFG 413 - Advanced Diemaking Lab
MFG 452 - Moldmaking