Application of Stochastic Regression for the Configuration of Microrotary Swaging Processes

Table 2

Parameter definition.

Parameter		Unit	Quantitative function	Valid values
Die closing pressure	𝑃	[Position]	—	[69; 73]
Oscillation frequency	𝐹	[Hz]	—	[30; 120]
Feed rate	𝑉f	[μm/s]	—	[1000; 4000]
Initial diameter	𝐷0	[μm]	—	[350; 1000]
Final diameter	𝐷1	[μm]	𝐷1=𝐷𝑇−35.20195⋅𝑃+9.747⋅ln𝑉𝑓 −0.36423⋅𝐹+2.472𝑒03	[300; 1000]
Final diameter variance	𝐷v	[μm]	Random value in between 0 and 2.5	[0; 1000]
Tool-diameter	𝐷T	[μm]	—	[300; 1000]
Output-length	𝐿	[μm]	—	[1000; ∞]
Tolerance	𝑇	[%]	—	[0; 100]
Operation-duration	𝑂T	[Time Units]	𝑂𝑇=𝐿/𝑉f	[0; ∞]
Operation-rejection rate	𝑂R	[%]	𝑂𝑅=𝑚𝑎𝑥(2,(100/𝐷1)⋅(𝐷𝑣−𝑇))	[2; 100]