PSI - Issue 27

Bernardus Plasenta Previo Caesar et al. / Procedia Structural Integrity 27 (2020) 117–124 Caesar et al. / Structural Integrity Procedia 00 (2019) 000 – 000

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of the frame by frame in proportion with time, any deformation or shape transformation as calculation result that performed the previous frame are neglected in the next frame. Therefore our model assumes it recover instantly or never been receive any load before; this assumption is applied because stress works in an elastic area of the material or usually known as small deformation analysis. On the other hand, a simulation called dynamic when some of the parameters are variably in line with time alteration or can be said time-based simulation. For example, box positions in dynamic motion simulation post, are categorized as a time-based simulation because of its change collateral with time increases. If the simulations are contained displacement, velocity, acceleration, or any variable that depends on time, then they included in dynamic simulation. Several samples of the analysis are conducted by Bae et al. (2016) and Prabowo et al. (2017; 2018; 2019). Mitutoyo hardness tester HR-522 is modified by replacing the crank adjuster of manual application into the automatic device using a linear drive that is arranged form a 3-axes system mechanism to become auto checking hardness machine. The linear drive of auto checking hardness machine employs a Festo linear drive and motor with a linear guide system to resist the movement of the linear drive (Caesar et al., 2020). All the linear drive motor system and linear guide system is detained by aluminum structural profile frame 45 inches. The novel design is projected to be capable of substituting the manual tools as providing an auto-checking hardness machine with more capacity, less processing time, and less workspace area. Fig. 2 shows the 3-axes mechanism assembly of linear drives and linear guides. 1.4. Design assembly

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Fig. 2. (a) Z-axis assembly, (b) X-axis assembly, (c) Component for overall design assembly, (d) Linear guides assembly, and (e) Full component assembly. For each axis assembly, there are additional tools for the linear drive: adapter kit, parallel kit, and servo motor (see Fig. 2). Z-axis assembly (see Fig 2.A) applies the EGSC Festo linear drive, which is proper to lift the vertical load. X axis assembly uses ELGC Festo linear drive with 600 mm stroke to fill-up the most significant brake pad width. Y axis assembly uses ELGC Festo drive and ELFC Festo linear guide with a 100 mm stroke to fill-up the most considerable brake pad length. The adapter kit is the connector of the linear drive of the Z-axis, Y-axis, and X-axis. The parallel kit is the connector of linear drive and servo motor. The linear drives assembly and aluminum frame structural profile assemble in Fig. 3.