Page 10 - MetalForming August 2010

TechUpdate
New Press-Brake Lineup Offers
a Variety of Feature Combinations
MC Machinery Systems, Wood Dale, IL, introduces a new line of Dener press brakes, from 40 to 2000 tons and offering three-axis to more than
11-axis capability.
The Smart machine is an
entry-level three-axis CNC unit with an optional fourth axis, offering advanced proportional- valve control that synchronizes the hydraulic cylinders to opti-
mize parallelism. It also offers automatic tonnage and stroke adjustment.
The Puma model comes stan- dard with four axes, with addi- tional axes optional, and includes a more sophisticated 15-in. 2D color touchscreen control
and more ram and backgauge speed.
Finally, the Tiger model comes standard with six axes and includes CNC crown- ing, linear guided front sheet supports, 15-in. stroke and 200-mm/sec. ram speed.
MC Machinery Systems: 630/616-5920; www.mitsubishi-world.com
Reverse Tonnage—
Everything You
Always Wanted
to Know, and More
Reverse tonnage—a.k.a. snapthrough —is the subject of an exhaustive eight- page tech brief from Aida recently post- ed to the free White Papers download area of our website. To get there from our homepage at metalformingmagazine.com, click on the Multimedia link on the nav- igation bar. The Aida paper on reverse ton- nage answers these and other questions:
• What causes reverse tonnage?
• What are the symptoms?
• How does it negatively affect a press? • How can stampers identify the
amount of reverse load in an operation? • What steps can be taken to reduce
reverse tonnage?
Aida-America Corp.: 937/237-2382;
www.aida-america.com
8 METALFORMING / AUGUST 2010
www.metalformingmagazine.com