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CASE 03 DAVI

From pressing to four rolls: a more efficientplate bending process in pressure vessel manufacturing

Pressure vessels and heavy industry
Plate Rolls
CASE SUMMARYINDEX 002
CUSTOMER
Pressure vessels and heavy industry
TECHNOLOGY
Four-roll plate bending machine
PROCESS
Heavy plate bending
SUPPORT
Requirements survey, specification, technical coordination with the manufacturer, start-up and after-sales support
01

The challenge before installation

In manufacturing pressure vessels, the customer had until then used pressing for the process of bending heavy plate. A press cannot bend the plate to its final shape in a single operation, so the plate had to be formed in stages over several passes, and the bending process took a great deal of time.

They therefore needed to move to equipment that could carry out plate bending more efficiently and more consistently than before.

02

The equipment and technology proposed

For this we proposed a four-roll plate bending machine from DAVI. By switching from the stepwise bending of heavy plate on a press to continuous bending with rolls, the aim was to shorten the process and raise production efficiency.

Through repeated meetings with the customer, we selected a machine specification suited to their needs, matched to the specification of the pressure vessels they actually manufacture and to their forming conditions.

Equipment
DAVI four-roll plate bending machine
03

Support through to installation

For the installation, we first carried out a detailed survey of what the customer machines and the production issues they faced. On that basis we adjusted the machine specification and worked through the optimum configuration in technical cooperation with DAVI.

Our role did not end with delivery of the equipment. We supported the customer from start-up through to stable operation, and put in place an arrangement for after-sales support as required once the machine was in use.

04

What changed after installation

The four-roll plate bending machine has made the plate bending work that previously required several passes on a press more efficient, which has shortened production time.

Because the machine now performs the bending consistently, variation in quality is easier to keep down, which also supports production at a consistent quality level. As a result, both the productivity and the stability of the plate bending process in pressure vessel manufacturing have been improved.

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