Bismarck North Dakota
Services

Why Choose Modern Machine Works Inc.

With over 175 years of combined experience and 107 years in business it is easy to see that we know how to take care of our valued customers.  After 4 generations the company is still owned and operated by the same family.

Services

We specialize in the Onsite repair of Dragline and Shovel Drums including crack repair, weld buildup of the rope grooves and heat treating. We are one of the few companies in the world that do these repairs onsite. We have been repairing Dragline Drums since the mid 1980’s and have worked on machines across the United States and Canada.

We also specialize in the rebuild of shovel sheaves and drums in our shop.

Full rebuild of dragline sheaves in our shop

Capability to reverse engineer and design new parts with using state of the art Metrology

3D Laser tracking to align bores in large gear cases and inspect parts.

Overhead crane capacity- 15 Ton in the machine shop , and a 25 Ton overhead in our welding facility

Portable boring bars from 1 1/4″ to 8″

Manufacturing of many dragline components. Weldments, forgings, pins, shafts, retainers, seals, and castings.

 

Machining equipment-

Vertical Boring Mills

150″ /128″ / 55″ / 52″ and  36″ Swing Capacities

Horizontal Boring Mills

2- 5″ spindle G&L boring mills with 72” vertical x 96” horizontal capacities

Lathes

Swift 64″ swing over bed 20′ between centers, Niles 8′ swing 12′ between centers, American Pacemaker 42″ swing, Axelson 25″ swing

and several smaller lathes

Welding Equipment-

We have a fully equipped weld shop to handle almost any need. Fabrication and repair. We do extensive dragline and shovel sheave and drum repairs. Including crack repairs and full weld buildup and remachining. We rebuild literally every piece of rigging on dragline and shovels.

Stress Relief Ovens

We have 3 stress relief ovens. The small oven will accommodate parts 17″x 17″ x 32″. The medium oven is 103″ diameter x 18″ tall and our large oven will accommodate parts that have a max Outside Diameter of 13’6″x 3′ tall. We are a firm believer is stress relieving repaired parts whenever it is possible. One of the largest contributors to parts failure is weld induced stress. Stress relieving minimizes this in repaired parts that have high stress zones.