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Design of Machine
Practical Guide to Digital Manufacturing
37 SOLVED PROBLEMS
Question: 5.5
Use the Petri net to model the testbed for gearbox assembly in Fig. 5.31; the testbed was developed at the National Institute of Standards and Technology (NIST) to evaluate the grasping capabilities of end-effectors (Falco et al. 2015; Kootbally et al. 2016).Aseries of operations are to (1) open a ...
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Table 5.18 shows the possible events which can be ...
Question: 5.4
Define the workcells for the given product-machine relational matrix below. ...
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Step 1: for column i (i = 1, 2,…, n), the binary w...
Question: 5.3
Determine the five-digit Opitz code for the part shown in Fig. 5.25. ...
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The attributes and dimensions of the part in Fig. ...
Question: 5.2
Table 5.8 shows the code scheme of Nissan passenger car family, write out the polycode for the car shown in Fig. 5.23 (Kirby 2019). ...
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The code scheme in Table 5.8 includes six digits, ...
Question: 5.1
A code scheme is defined as shown in Fig. 5.20a, determine the monocode for the product variant shown in Fig. 5.23b. ...
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The code scheme in Fig. 5.21a has a tree-like stru...
Question: 4.10
Write the G-code for the motion control of the milling operation on the part shown in Fig. 4.108a. ...
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The milling operation is to create the profile of ...
Question: 4.9
Use APT to write a NC program to mill the part shown in Fig. 4.104 ...
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By using APT, the NC program is written and shown ...
Question: 4.8
Find the incremental coordinates of the working points shown in Fig. 4.101a. ...
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The incremental coordinates of a new working point...
Question: 3.8
A 2-in thick plate of 1060 alloy is uniformly heated to 300 °C. It is air-quenched in the forced air. Assume that the temperature of the plate surface is immediately set to 25 °C. The materials density ρ= 0.0975437 lb/in³, the conductivity k = 0.002675 Btu/(s·in·°C), and the specific heat ...
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Figure 3.28 shows a 1D transient heat transfer ele...
Question: 4.7
Determine the absolute coordinates of working points shown in Fig. 4.99a. ...
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The absolute coordinates are measured from origin ...
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