With welded rule joints Marbach offers its customers a solution for the best die-cutting results – even for challenging materials.
When cutting very thick material or material with fabric, conventional tools often reach their limits. The same counts for die-cutting plastic material, as it is the case with thermoforming tools with steel-rule technology. Because rule joints can open up through the enormous load at spots where different cutting rules meet. If this happened it would create a huge nick in the blank. As a result, not only the visual appearance of the packaging and its functionality would be affected, but also the production process itself. For this reason it is necessary to truly unite the rule joints for those challenging materials.Different methods can be used: Laser, TIG or punctual welding. Marbach offers laser welding upon special request by customers or for strongly carbonaceous materials.
The laser welding process reaches its limits quickly with conventional standard steel. For this reason Marbach uses a special TIG welding process. Uwe Murrweiss, production manager at Marbach: “Our analysis of different materials has revealed that the TIG welding process provides significantly greater stability and flexibility for rule joints of standard steel than conventional laser welding. That’s why we mostly weld rule joints with the WIG procedure. In this way, we achieve very fine welds with low energy input. During this special welding process less heat occurs than through conventional welding. So the structure of the cutting rule’s edge only changes minimally with TIG welding. This results in identical rule heights and hardnesses on both connection points. The rules are therefore not only being connected optimally but also the rule joint is on one level. The material can be cut neatly.”
Special machine equipment as well as relevant know-how is necessary for this kind of welding. Marbach has both. And prefers the TIG technology, as do the customers. Murrweiss: “Our customers insist on this kind of rule joints because like this they can achieve the optimal cutting result.”
Marbach was recently visited by its customer Å&R Carton Lund AB for an audit. Å&R Carton looked closely at Marbach from a number of viewpoints and certified Marbach with a very good performance.
With its marbanick|2 for paperboard tools, Marbach has brought a hand tool onto the market that convinces users with its flexibility and simplicity. Since its introduction in May 2018, Marbach has sold almost 200 of these hand-held devices.
Marbach expands its Die Supplies & Automation division. From 01 February 2019, André Angermeir joins the Marbach team as the new Sales Manager. With Angermeir, Marbach has been able to gain an industry insider with a wealth of experience in the world of cutting-dies.
Marbach expands further. After having opened die production facilities in the USA, Malaysia and China in the past years, Marbach will open a Marbach Die Supplies subsidiary in Mexico in January. From here Marbach will supply materials to Mexican and North American die and packaging manufacturers. In addition, training in the application of technologies will be offered. Marbach's goal is to support the Mexican market in its further development.