Combo Base Horizontal Slip Table
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The slip table works on the principle of an oil film maintained between granite surface and slip plate supported by low/high pressure oil bearings to eliminate overturning moments. An oil film is automatically created through a closed loop system, when the oil pump coupled with the motor is started.These are ideally suited and designed for testing of medium and heavy loads & voluminous specimen/objects in X & Y direction. The bearings are designed to restrain pitch, roll & yaw moment. Ambient and combined environment (Vibration + thermal) testing are also supported. Combo base Slip tables can be used standalone with optional seismic base or integrated on a common base with a vibration shaker. Slip tables can be integrated with a vibration system, mounted on a combo base. A unique trunion and guidance bearing assembly provides simple shaker rotation capability and body vibration isolation. The electro-dynamic shaker can be rotated to vertical position for one axis and then to the horizontal position where it is connected to a horizontal slip plate through a drive bar/coupling for other two axis testing. Construction The discharge of hydraulic oil is supplied by hydraulic pump for supplying oil to the bearings and for formation of oil film on the granite block. Pressure gauge is provided for reference. The slip table platform made up of Mg has object mounting facility through replaceable SS inserts. The Slip Table structure is finished in glossy and metallic coating of latest polyurethane paint with various contours.
Horizontal Slip Table
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The axis of a shaker’s operation is Z axis. In order to achieve vibrations in X and Y axis, a Horizontal Slip Table (HST) is used. A Horizontal Slip Table is compactly constructed using a precisely machined magnesium alloy tool-plate, which rests on top of the flat granite block. Hydraulic bearings are placed at different locations based on the design of the HST to constrain its motion in the same axis as that of the shaker. A consistent oil film is generated on the granite block and in the bearing in order to remove friction, provide dynamic support, control crosstalk and restrain overturning moments. The hydraulic bearings can be low or high pressure type depending on the table specification. High pressure bearings have a lower clearance and require higher pressure to operate as compared to low pressure bearings. Driven by our bull nose design based drive bar, the Horizontal Slip Tables provide excellent performance for heavy, tall or eccentric loads. The test object can be rotated by 90° on the table to switch between X and Y axis. A system integrated with HST is capable of testing objects in all three axis, one at a time. Major Sub Systems of the Horizontal Slip Table are:
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Horizontal Slip Table
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Impact Test Machine, electrodynamic vibration shaker system