Manufacturing PWS

We bring sheet metal into shape!

As a highly specialized partner in the field of forming technology, we offer you a wide range of manufacturing options in the areas of stamping, forming and deep drawing. Especially in the processing of stainless steels and special materials, we can demonstrate remarkable forming results.

The degree of forming, the dimensions as well as the technical requirements of your products determine the selection of the appropriate manufacturing process. PWS has the most modern servo - forming machines as well as automated punching machines with stepless frequency controlled drive and some hydraulic and eccentric presses.

Equipment machinery:

Servo transfer press 100 - 800 to
Automatic punch press 250 - 630 to
Hydraulic presses 100 - 500 to
progressive presses 100 - 300 to
Eccentric presses 60 - 160 to

[Translate to English:] Bild von mehreren Werkstücken aus Metall in einer Maschine.

Step by step to success

Transfer presses – top-quality components at economic conditions

Our hydraulic transfer presses are a succinct expression of our economic efficiency. They enable us to automate perfectly coordinated production sequences – and thus to manufacture under particularly economical conditions and in the highest quality. Our transfer presses are often used for the production of small components. The manufacture of these workpieces benefits from a variety of advantages:

Simple adaptation to different tools
Freely programmable kinematics
Drive with frequency control
High availability
Deep components can be produced
Simple incorporation of the tools

The key values of our transfer press

In practice, we utilise transfer presses for the production of formed parts in strip connection – as a progressive die – or in open transfer as a multiple die press. A suitably efficient gripper system ensures that the transfer is accurate in terms of position. Our transfer presses are basically characterised by the following parameters:

Nominal force from 100 to 800 tonnes
Material thickness 0.6 to 6 millimetres
Coil width max. 800 millimetres
Coil weight max. 7.5 tons
Max. die dimensions (L × W) 4,500 × 1,500 millimetres
Press line 2.500t in project planning

Punched and guided

Our punching presses ensure maximum productivity at the highest quality

To form metals flexibly and economically, we put our trust in the performance of our punching presses. Variable adjustment options and the combination of high output and high availability make punching presses an indispensable tool in metal forming. Among the important advantages of automated production are maximum productivity with a consistently high production quality. As a rule, the machining processes are as fast as they are precise. Synchronised feeds and removals ensure rapid processes.

For this reason, classic applications for our punching presses include not only the production of thin sheet metal parts, but also components with complex geometries and tight tolerances. We have a high degree of flexibility with regard to possible quantities and can produce small, medium and large series with the help of our punching presses.

We use our state-of-the-art systems for the production of formed parts in strip connection. Our punching presses are characterised by the following system parameters

Nominal force 250 to 630 tons
Material thickness from 0.8 to 6 millimetres
Coil width max. 600 millimetres
Coil weight max. 5 tons
Max. table dimensions (W × D) 3,500 × 1,100 millimetres

Bringing metals into shape

Punching, stamping and embossing are classic tasks of mechanical presses

Tried and tested, reliably flexible in use – this is a brief summary of the key attributes of our mechanical presses. We trust in the use of mechanical presses for the production of comparatively simple tasks such as punching, stamping or embossing. With the aid of this technology, we are able to master the challenges of processing high-strength materials or large quantities, as well as countless other tasks. It also enables us to take economic parameters into account during the forming process.

The functional principle of mechanical presses

The functional principle of mechanical presses enables the production of components or workpieces at high speed and with consistent quality. To give some background: In simple terms, mechanical presses – often referred to as eccentric presses – are moved via an eccentric wheel, an eccentric cam, toggle lever drive or mechanical drives. Or to put it another way: pressure is exerted on the material by means of a mechanical system instead of fluids, such as is the case with hydraulic presses. Furthermore, our systems are characterised by the following characteristic values:

Nominal force 60 to 160 tons
Material thickness 0.5 to 3 millimetres
Table dimensions (W × D) 800 × 500 millimetres

Close-up of a machine for forming technology.

Bending with the highest precision

Our CNC die bending machine makes all bending geometries possible

Sheet metal edging is one of the most important methods of shaping sheet metal into a desired shape. The aim of CNC edging is to produce an edge and to shape the sheet metal in such a way that it permanently retains its new shape while remaining dimensionally stable. This sounds simple, but in practice it is quite a demanding task, which we realise with the highest precision and speed using a modern CNC-controlled die bending machine. Thanks to a nominal force of 180 tonnes and a bending length of up to 3,100 millimetres, we are fully capable of meeting our customers' special requirements.

The functional principle is a simple one: our die bending presses have an upper and lower tool, also known as the punch and the die. During the bending process, the punch is pressed into the die with great force, thus bending the sheet in between. The bending process is controlled and monitored by what are known as computer-controlled angle measuring systems. These monitor each individual bending operation during the edging process and intervene to correct it if necessary. This produces bending results with one hundred per cent repeat accuracy that are ideal for use in series production.

Our technologies

As a highly specialised partner in metalworking, we offer a wide range of manufacturing options with a high level of vertical integration. To achieve this, we use modern technologies and are constantly optimising our processes. In addition, our well-equipped machine park is complemented by the wealth of experience of our employees. Altogether, PWS can draw on over 80 years of experience in metal processing.

With a practised eye, we recognise areas of potential and sound out new technologies. This is also evident in the youngest member of our production chain: the “Cutting” competence centre. We then offer the new and optimised capabilities to our customers as a full-service supplier.

Your strong partner

Presswerk Struthütten GmbH
Im Wiesengrund 7
D - 57290 Neunkirchen, Germany

+49 (0) 2735 - 78 33 - 0
+49 (0) 2735 - 78 33 - 20
info(at)pws.gmbh

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