The NG-SHM Class DP – Servo Hydraulic Testing Machine uses zero clearance and pre-loading connections between the piston rod and the upper grip to provide high mechanical reliability during testing. Zero clearance means that there is no unwanted space or looseness at the connection point, which prevents movement that could affect test accuracy. Pre-loading applies an initial controlled force to the connection, keeping all parts firmly in position before the actual testing force is applied.

This combination strengthens the structural bond and helps maintain exact alignment throughout the test cycle, reducing the risk of slippage or misalignment that can compromise results. It also minimizes vibration and wear on the connection area, leading to better long-term performance and reduced maintenance needs. This secure connection guarantees that applied forces are transferred directly and efficiently through the system.

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