Multibend Bending Center
The Multibend Bending Center is a core piece of equipment in Sielaff’s production plant. Here we bend pieces of metal with lengths up to 2,160 mm and widths up to 1,500 mm to a max. sheet thickness of 3 mm. The bending center works fully automatically, both with automated sheet feeding and automated tool change. To illustrate: the bending time for a vending machine door is less than 60 seconds! Output of approx. 200,000 pieces per year is guaranteed, even working just two shifts a day.
Robotic Welding Technology
Pinpoint-precision, clean welding performed accurately. – It is possible using our CLOOS welding robots. Housings up to e.g. 1,800 mm in width can be joined. The heart of the process: the robot arm and the control system. Specially developed for open arc welding, the CLOOS robots set new standards in production technology. Six independently driven rotary axes result in an arm-bending and joint-rotating robot which guarantees a wide area of coverage. At the same time, the Robot, the work piece, and all components are easy to access. Simple to operate, quick-clamping devices and ﬂexible precision tools also ensure spot on welding and well-organized work procedure.
Surface Techniques – Powder Coating System
Sielaff not only professionally carries out punching and lasering in-house as standard but also paints in-house the machine cabinets themselves. A powder coating system which allows up to 250 different colors ensures the perfect appearance of the sheets. This is guaranteed using 8-zone pre-treatment using ZN phosphate, residual water dryer, Power + Fee conveyance system with storage, 3 automated powder containers, powder dryers, etc.
Screen or tampon printing at a max. component size of 600 x 1,500 x 2,500 mm ensures placement of advertising messages and other information and images on the processed parts (components).
Assembly and Housing Constructions
After the individual housing parts are pre-manufactured (e.g. punching, lasering, bending, powdering), all parts are joined in the housing assembly area. In classical automobile construction technique, we rivet the rear walls, side parts, floors and roofs together. Then the door is fitted. Depending on the shift pattern (1 – 3), we can manufacture up to 8/10 different types and up to 1,000 vending machines per week. Additional steps such as installing cooling units, cable harnesses, and fitting other components are performed in final assembly. Final inspection is then carried out. Depending on the housing and machine type, a high-voltage test, a grounding conductor test as per VDE, or a visual test as per checklist (specifications) including a complete functional test may be performed.
Punching and Laser Technology
The most modern Trumatic systems ensure highly flexible production both during punching, cutting and shaping with fully automated sheet feed. Our laser processing systems combine precision machine tools technology with laser technology. These systems are intended for cutting and surface treatment. They are suitable for processing metal sheets, pipes, and profiles, as well as three-dimensional workpieces.