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 Black Rock Machinery LLC.

 

 

The machine tool industry has been a rapidly charging market place. New leaders are emerging as we start the new millennium. Durma is one example of strong commitment to the future. Established in 1956 an emphasis on quality combined with investment in Cad/Cam Systems and “state of the art” machining centers has yielded fast, yet cautious growth. In the year two thousand Durma finished construction of their two new and very modern ISO 9001 factories, which total 500,000 square feet. Today Durma has grown to be Europe’s largest, and the world’s second largest, builder of shears and brakes. We are pleased to invite you to consider the full product line of Durma.

 

     Durma Swingbeam Shears | DurmaVariable Rake Shears | Durma Hydraulic Guillotine Shear | Durma Mechanical Shears  | Durma CNC-HAP Series | Durma HAP Series


 

Durma Swingbeam Shears

The DHGM Swingbeam Series Shears by design and construction provide for reliable, fast and accurate shearing. The “swing style” upper beam is a very rigid box frame construction. This allows the rake and angle of the upper blade to be a very low angle, which is key to reducing distortion in the sheared piece. The beam pivots on two large spherical bearings. These oversized bearings and box frame construction of the “swing beam”, maintain a constant blade clearance along the full cutting edge. A capability normally associated with much more expensive machines. This design has proven itself over the last thirty to forty years as reliable approach to productive shearing.

 

The DHGM series Shears come in 8 different sizes from 100” length, ¼” mild steel capacity to 161” length, ½” mild steel capacity. Shorter lengths are available up to ¾” mild steel versions.

 

Standard Equipment:                                                                      Optional Equipment:

ENC 100 Multi-Step Programmable Control                                    NC Control

39” High Speed Back Gauge w/ Auto Swing Up Gauge Bar            Frontal Laser Beam guarding

60” Squaring Arm                                                                              NC Front Gauging Systems

Two Front Sheet Support Arms w/ T-Slot & Disappearing Stops     0-180 Protractor

Tabletop Ball Transfers                                                                      Rear Sheet Support System

13.7” Gap (shear sheets longer than cutting length)                           Oil Cooler

Programmable Stroke Length Control                                                Conveyer Stacker

Single Pont Blade Clearance Adjustment                                           Longer Squaring and Support Arms

 

 

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