The casting

the cast lower A-arm for suspension. Used Aluminum A-356 with tensile strenght 44 Ksi

The pattern

Made out of good 'ol pine wood

H.A.L.

This is HAL our first Rover Prototype:

Future casting for Rover's suspension

This is the CATIA drawing for the suspension arm for the Rover that we are building

The Missunderstood Power of Music

Whereas in plastic welding, high-frequency vertical vibrations (20 to 70kHz) are used to increase the temperature and plastify the material, the joining of metals is an entirely different process. Unlike in other processes, the parts to be welded are not heated to melting point, but are connected by applying pressure and high-frequency mechanical vibrations.
In contrast to plastics welding, the mechanical vibrations used during ultrasonic metal welding are introduced horizontally.

Principle of ultrasonic metal welding
1. Sonotrode
2, 3 Parts to be joined
4. Anvil
5. Welding area
During ultrasonic metal welding, a complex process is triggered involving static forces, oscillating shearing forces and a moderate temperature increase in the welding area. The magnitude of these factors depends on the thickness of the workpieces, their surface structure, and their mechanical properties.