The ring preparation line forms a high-quality plate to a flared shape ring for the roll forming process. The strip will be coiled very precisely, to guarantee that the ends of the strip are perfectly aligned towards each other.
The buttwelding process, capable of sections up to 9000 mm² (TC* type up to 5000 mm²), is executed with a minimum of energy consumption and upset, to save energy, material and to reduce the scrap rate (close to Zero).
The buttweld is dressed with innovative process solutions to obtain a perfect weld seam, without excess material and an improved yield strength of the weld affected zone.
The DC flash and flash-less welding process can both be executed with this equipment, depending on the desire and process needs of the manufactured wheel.
The welddressed ring will be sized and flared to a perfectly round product with a known diameter. This roundness will have a positive effect on the final runout of the wheel.
The Fontijne Holland ring preparation line for off road wheels can also be used for other applications, where a steel strip needs to be transformed into a ring. Optionally, you can eqipped the ring preparation line with a stacker / de-stacker station for a user-friendly loading.
* TC stands for Temperature Controlled, as Fontijne Holland has the know-how to start the Upset process based on the temperature in the weld.
The plates can be marked with a code defined by the customer
The plates are bent in the 3+1 rolls coiler to form a ring.
The ends of the ring are formed to flat ends, ensuring optimum clamping for the welding process.
The ring is loaded to the welder by the welder loader.
The welder welds the ring. This is the heart of the preparation line, herewith the final quality of the weld will be made.
Mechanically the Fontijne Holland welder offers unique features:
TC buttwelding is not always possible, due to local circumstances, material or cross-section, therefor Fontijne Holland offers DC welding and DC Flash welding. Mechanically there are no compromises, this is all integrated in our innovative weld control platform.
*) TC stands for Temperature Controlled, as Fontijne Holland has the know-how to start the Upset process based on the temperature in the weld
Unique features of the Weld Control Fontijne Holland 2.0:
After the welding process the inside and outside of the weld is trimmed.
The Weld Seam Roller remains the height difference after the trimming process.
The bulges at the front and the rear of the weld are removed by the side trimmer.
Finally the ring is re-rounded and flared.
The rings are transported from welder to flaexpander by robots.
The Fontijne Holland lines do not only manufacture rims. Any sheet metal product that needs to be formed and/or profiled, can be produced on our equipment. If you need assistance with the production of your products, please contact us.