Information about our welding table system



Our Modular System

Our welding table system has European patent right under the registration EP 091229931. The spread out rails form the ideal basis to let this one result for various table areas according to the respective work tasks.
Between the spread out rails which are arranged in 100 mm raster will be a standardized, bottom opened T-slot, which makes possible a weld-spatter-insensitive and continuously ranging and clamping of the components.
Especially worthy for the user is the possibility to open certain table areas for putting through protruding parts and the possibility of lateral moving of the spread out rails for the extension of the bearing surface.
The spread out rails are offered advantageous for the robust steel processing area in grey cast iron and for the sensitive high-grade steel processing in Al/Cu-alloy in different lengths.

Why welding tables?

The most significant cost factor in the manufacturing of a welded construction is not the welding seam; the average seam takes up only about 15% of the actual work time. 85% of the time needed is nonproductive time spent with the precise dimension and angle assignment of the individual parts, in addition to measuring, correcting, aligning, and mechanically reworking the components.

A precise method for creating an assembly, in conjunction with suitable clamping fixtures and stops, can result in a variety of significant benefits, even in single part production.

What is the advantage of the T-slot system?


What is the advantage of the T-slot system?

The T-slot represents the ideal way to solve the widest variety of clamping tasks with the simplest means (sliding block).
No spatter-sensitive H7 holes are required for receiving special clamping fixtures, and the functional surface (bearing surface) of the slot is located in a fully protected position (see diagram below).
Due to the infinite adjustability within the slot, several stop squares can be inserted precisely into the corners of the components in the housing as well as rack and frame manufacturing.
Our patented version of the T-slot between two rails prevents the T-slot from becoming dirty. Rhombic slot blocks can even be inserted from above into T-slots which are already in use.
Certain areas of the table surface can be opened to insert any protruding parts. This has proven to be particularly useful in practice. The rails can also be replaced, protecting the user during particularly coarse welding work.

Why cast plates with slots?

Cast plates with slots, like those taken from retired milling machines, have been proving their worth for years in welding shops. Still, the plates are some times not of a suitable size, and don't have the right stops and clamping fixtures.

Our modular system makes it possible to assemble cast plates in the widest variety of forms that correspond to specific tasks.

What are the advantages of grey cast iron?

Certainly the most important argument is that most welding processes result in flash that can stick to the table surface.

1. Flash sticking to grey cast iron is like the bonding of a normal weld on grey cast iron -it pulls off in the transition zone.

2. Grey cast iron ages, and with this aging graphite diffuses to the surface; the surface becomes greyer and greyer, and so the surface is increasingly protected from flash sticking to it.

3. An anti-stick product should be applied to the surface until the surface has aged enough; the product
penetrates the porous structure of grey cast iron and enriches it due to an increasingly durable protection which builds up. Over time it is no longer necessary to constantly reapply anti-stick products.

Additional advantages of grey cast iron are:
• The low expansion coefficient in exposure to heat
• Improved sound dissipation when positioning parts made from a single casting.


Why using an aluminium-cooper alloy as table surface?

The professional handling of stainless steels (austenites) requires a strict separation of ferritic materials since even finest adhesive contaminats and scratches may cause continuative corrosions (e.g. pitting corrosion) on the surface.

As a general rule, weak spots in surface finishing can be corrected only by complete „immersion pickling“. Therefore, for companies working with stainless steels it is of great interest safe covering of the welding and work table, having permanent contact with the component subject to further procedure, as early as during preparation.

For this particular purpose, a table surface made of an aluminium-cooper alloy has proven to be especially advantageous due to a relatively high tensile strength (= F37, similar to structural steel) at low surface hardness not causing damages to polished stainless steel surfaces.

The high thermal conductivity also almost entirely prevents the sticking of potential welding spatters.


Precision

The table and the try-square are made to extremely precise standards. In fact, the flatness and the angularity comply with the "H" section, or "Fine" requirements of ISO 2768 T2. The individual rails of the table surface exhibit a tolerance of ± 0.05 mm and are therefore interchangeable.

Measuring and Positioning

The table surface has a 100 x 100 etched grid for orienting straight lines and angles. Parts are normally created by first placing them at a right angle to the stops on the side and front edges of the table. The length and the width of the part, which normally doesn't match a fine grid, can be easily defined by infinitely adjusting the try-square.


Only possible with the slot system!

The ability to make adjustments in two axes simultaneously makes it possible to precisely adjust the stops at the precise point and in the precise direction.

Table Design

Our modular system makes it possible to design and customize the widest variety of table surfaces with only a few components.

The entire table surface can be moved in the widest variety of ways so that lifting tables, horizontal rotation tables, and vertical turntables can be created to meet a customer's specific needs.