Mathematical Problems in Engineering / 2014 / Article / Tab 1

Research Article

Modeling and Optimization for Piercing Efficiency and Energy Consumption Based on Mean Value Substaged KELM-PLS and GA Method

Table 1

Modeling variable table for piercing efficiency and energy.

Number Original
variables
The first stage variablesThe second stage variablesThe third stage variables The mean of variables
Efficiency Energy consumptionEfficiency Energy consumptionEfficiency Energy consumption

1 The percent reduction of upper roll
2 The percent reduction of under roll
3 The angle of inclination of upper roll
4 The angle of inclination of under roll
5 The rotational speed of upper roll
6 The rotational speed of under roll
7 The position change range of pusher
8 The actual position of mandrel thrust block
9 The position of mandrel
10 The rotational speed of left guide disc
11 The rotational speed of left guide disc
12 The temperature of tube blank

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