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Draw high tensile steels on existing presses

Edited by the Manufacturingtalk editorial team Jul 23, 2001

The latest Schuler CNC hydraulic deep drawing presses can control material flow for producing pressings in high tensile steels.

The latest Schuler CNC hydraulic deep drawing presses can control material flow for producing pressings in high tensile steels.

Examples include the drawing of automotive fuel tanks, floor-pan components and A-, B- and C-pillars from TRIP, dual-phase steels or tailored blanks.

An alternative, says Schuler SMG, is to equip an existing power press with the Schuler Hydra Segmental-Elastic Blankholder (SEH).

SEH uses 'truncated pyramidal segments', each controlled by an individual hydraulic cylinder.

So instead of the toolsetters using shims to change localised blankholder pressure zones, eight zones of the SEH -equipped blankholder can be individually adjusted during tool-tryout and tool-setting.

Linked up to a CNC, material flow between the blankholder and bottom tool can be readily analysed, the data stored and a program set up for each toolset and press.

Schuler says that SEH will save on tool try-out and changeover times as well as tool life.

SEH will also add a new metal-forming capability to an existing press shop.