The safe way to clamp heavy dies demonstrating at MACH 2018

9th February 2018
Source: MACH
Posted By : Anna Flockett
The safe way to clamp heavy dies demonstrating at MACH 2018

At this year’s MACH show, Roemheld will introduce a new range of wedge clamping elements with patented safety bolts designed to attach a die set to the table and ram of a power press securely, regardless of whether the tool edges are straight or angled. A positive locking action allows even a heavy upper die to remain in place during maintenance or if the clamping pressure drops.

The clamps move automatically, making them easy to operate. A position control feature verifies closure and release and reports if no die has been placed or if the edge is incorrectly set.

The system consists of a hydraulic cylinder block and a bolt guided within a housing, the bolt having a contact surface angled at 20°. A projection on the bolt and a corresponding recess along the die edge ensure positive locking if the hydraulic pressure holding the upper die should fail.

Adapter plates for simple attachment to existing dies make retrofitting trouble-free. The wedge clamping elements, with single or dual action, exert a force from 25-1,250kN. They are available to suit straight and angled die edges and are designed in a variety of styles, allowing customers to configure clamping arrangements using a range of options. Modular construction allows cost-effective production of the elements, high availability and short delivery times.

Permanent lubrication gives the clamps virtually maintenance-free operation. Due to their robust design, they are able to withstand high temperatures and soiling and offer long service life. On request, multi-layer coatings can be applied to the bolts and housings to reduce wear in challenging applications.


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