Stirline GmbH is your specialist for contract manufacturing in friction stir welding and CNC metalworking, with more than 5 years of experience in industrial FSW contract manufacturing for battery trays, inverter housings, electric motors and cooling applications. With us you get everything from a single source, devices - processes - serial parts!

We start with the first sample series, up to the series production of several 100,000 pieces. We weld with 100% data tracking, and our GOM system also ensures our high quality standard.

FSW - Ask us!

As an experienced drawing manufacturer, we offer our customers in the contract manufacturing segment the entire spectrum of metalworking. Our services include procurement, welding, machining and assembly of complete assemblies.

Based on our years of experience in steel construction, we know how to use modern production processes optimally and economically. We manufacture your high-quality steel construction components and welded constructions flexibly and quickly according to the ISO standard. These include machine frames, frames, housings, assembly aids and a wide variety of special designs.
With our 3D measuring technology (hexagon measuring arm) we are able to measure the precision of the workpieces directly from the step file and thus ensure the highest demands in production.

Tube laser technology, welded assemblies in steel or stainless steel, with a surface on request

In the AUREA industrial area, right on the A2 in Rheda-Wiedenbrück, we have
our 13,000 sqm company headquarters. Around 150 employees
are employed here. We process around 1,000 t of steel per month
Your wishes and ideas.
Our longstanding existence in the market and
our experience is evidence of a broad and customer-oriented
Range of services. We have been together continuously for over seventeen years
develops what we do in addition to the management level, especially the driving force
thanks to our sole shareholder Werner Gehring.

Our services include lasering, edging, welding and machining
as well as the mechanical processing and finishing of surfaces.
Upon customer request, individual assembly processes are planned as well
Welded assemblies manufactured.

Large series productions and individual solutions are our strengths. With
ten lasers, six edge banks, twenty manual welding stations and one
We offer welding robots an uncomplicated and reliable order processing.

Our certifications, such as ISO 9001 manufacturing and welding
according to DIN EN 1090-2 and according to DIN EN ISO 3834-2, document our manufacturing quality
and our production standards.

Metal workshop of "Rubate Metal" is equipped with modern machines to ensure fast, effective and
qualitative working process. CNC technologies guarantee highest standards of work based
on quality control.

Our principle is progressive upgrowth, selfless investment of funds in our
way to higher quality standards.

Our main products are different steel containers, component parts for agricultural machines, stainless steel metal chimneys, construction equipement as well as elements for ventilation and air pipes.

We accept orders requiring non-standard solutions.

Our company, operating since 1957, specializes in the customized production of precision mechanical carpentry components for various industrial sectors.

We have a complete production process, which includes material cutting, mechanical processing, assembly and surface treatments.
Our goal is to simplify the journey for our customers, becoming their only point of reference and ensuring a consistently high level of quality.

Specialist for production of small series in the field of sheet metal processing with numbers from 1 to 5000
Flexible production controlled by using the latest CNC machines
Low tooling costs, if any


as a result:



Simple implementation of customer requirements
Personal advice in the design to production
Cost savings
Flexible and fast order processing

The Rudolf Kunkel Maschinenbau GmbH was founded in 1932 by the Master Locksmith Rudolf Kunkel. The company went from being an original Locksmith in a mechanical engineering, who worked as a supplier for material handling equipment industry in the first place. Were produced, among others bending and forming parts with welding processing, mechanical processing and surface treatment.

For shaping and bending of many vendor parts self-designed and developed bending machines were used. These machines - evolved from practical - tried and tested in their use, so that one soon to passed to specialize exclusively on their production.

In 1975 was the management of the holding, the 1976 GmbH was on Peter Kunkel over, held him until 1996.

Since 1996, he is led by Dr. Michael Kunkel and Joachim Kunkel.

Gen. Engineering

Flame cutting, welding
CNC milling, drilling up to 2000 x 800 x 600
Turning to center distance 3000 x 400
Bending of profiles and sheets, straightening
Assembly
Hydraulic
Pneumatics
Electrical Engineering / Electronics
Components and assemblies

Manufacturer of hydraulic straightening and bending machines and hydraulic presses and press automation.
Special engineering in the field reel, straighteners, feeders, scissors.
Special solutions in terms of complete production lines of metal forming

Rugel is competent: We are responsible for perfect mechanical engineering. We will answer your questions. We solve your problems and wrap your orders quickly and safely.



With us you will find for every aspect of modern engineering a contact person, the optimum technical equipment and quality-oriented team.



They expect security - in quality, delivery and price. In Rugel you in every respect a precision landing.