Instructors/Contacts

Meet Your Professor(s)

Mark Rosenberry

Mark Rosenberry

Program Chair
Ankeny Campus
Building 3E, Room 103A
515-964-6452
merosenberry@dmacc.edu

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/li>
  • MFG 274 - Mill Operations Lab II
  • MFG 290 - Heat Treatments
  • MFG 270 - Grinders Theory
  • MFG 271 - Grinders Lab
  • MFG 140 - Geometric Dimension/Tolerance
Dennis Knittel

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

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
Charley Peffers

Charley Peffers

Professor
Building 3E, Room 135
515-964-6356
cmpeffers@dmacc.edu



 

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