Rijdam is distributeur van ARO, producent van industriële weerstand-lasmachines. Wij verzorgen volledige leveringen, installatie en onderhoud van weerstand-lasinstallaties. Wij onderscheiden hierin; puntlasmachines, puntlastangen, rolnaadlasmachines, projectielasmachines, stuiklasmachines, frictielasmachines.


Spot welding machines

Resistance Spot Weldingis a cost-effective joining technology that continues to be very popular in the automotive industry where high reproducibility and automation are essential criteria. An additional advantage is that, with a suitable choice of parameters, a high quality of joints can be obtained without being dependent on a welder’s ability.

Resistance Spot Welding is a pressure welding process. The sheets are pressed together locally with the help of fitted copper electrode welding guns that then have a current applied to them. As a result, Joule heating locally melts the joining partners at the junction resulting in a cohesive composite once the joint has solidified.

Seam welding

Seam welding is a variation of resistance spot welding.

In resistance seam welding, however, the welding electrodes are motor driven wheels as opposed to stationary rods. The result is a 'rolling' resistance weld or non-hermetic seam weld. This process is most often used to join two sheets of metal together:

projection welding

Projection welding is a modification of spot welding. In this process, the weld is localized by means of raised sections, or projections, on one or both of the workpieces to be joined. Heat is concentrated at the projections, which permits the welding of heavier sections or the closer spacing of welds. The projections can also serve as a means of positioning the workpieces. Projection welding is often used to weld studs, nuts, and other screw machine parts to metal plate. It is also frequently used to join crossed wires and bars. This is another high-production process, and multiple projection welds can be arranged by suitable designing and jigging.

Butt Welding

Butt welding is a welding technique used to connect parts which are nearly parallel and don't overlap. It can be used to run a processing machine continuously, as opposed to having to restart such machine with a new supply of metals. Butt-welding is an economical and reliable way of joining without using additional components.
Usually, a butt-welding joint is made by gradually heating up the two weld ends with a weld plate and then joining them under a specific pressure. This process is very suitable for prefabrication and producing special fittings. Afterward, the material is usually ground down to a smooth finish and either sent on its way to the processing machine, or sold as a completed product.

Friction welding

Friction welding (FRW) is a solid-state welding process that generates heat through mechanical friction between workpieces in relative motion to one another, with the addition of a lateral force called "upset" to plastically displace and fuse the materials. Because no melting occurs, friction welding is not a fusion welding process in the traditional sense, but more of a forge welding technique. Friction welding is used with metals and thermoplastics in a wide variety of aviation and automotive applications.

Car plate repair

Many new techniques and materials arise in the automative industry. As plate repair company you have the choice to use several techniques, one of which is conventional spotwelding. ARO N179, ARO CDPR 2012, AROMASTER III, De AROSPOTTER F6, De AROMIG IV are a prefect choice for these repairs.