Reg No: 4-8722 Rev1 Date: 2006-12-27.
Basic function The basic function of the rubber element is to prevent side forces from affecting load cell performance and at the same time, to keep the load carrier in position. The rubber element is not to be seen as a vibration damper although is has a limited damping effect. It’s sandwich design makes it stiff in vertical direction while relatively weak in horizontal direction.
Figure 2.1 Figure 2.2 Welding plates can be accurately positioned in load carrier and foundation by using Flintec welding fixtures (figure 2.1). After removal of fixture, the load cell, base plate and rubber element can be installed (figure 2.2). Figure 3.1 Figure 3.2 Examples where load cell is used as “welding fixture”. Base plate 52-00 welded directly to foundation (figure 3.1). Make sure to ground welding machine in the foundation plate. No current must flow through the load cell. Figure 3.
Dimensions and data The table below shows maximum allowed lateral displacement for the different capacities of rubber elements and the restoring force created by the rubber at this displacement. The force is linearly proportional to the displacement. If side forces exceeding RF are expected, external bumper stops must be arranged. Load Cell Type Capacity in kg L H1 H2 SB4/SB5-5/10/20 kN 510/1020/2039 180 63 5099 219 78 20.
