Fabrication Improvement of Cold Forging Hexagonal Nuts by Computational Analysis and Experiment Verification

Table 2

Cold forging loads for database and compression experiment.

1/6 Axially symmetric	Stage 1	Stage 2	Stage 3	Stage 4	Stage 5
Stroke (mm)	1.24	3.24	5.3	7.16	9.46
Load (kN)
Database	12.92	31.01	40.99	40.39	19.26
Experiment	13.36	29.68	36.34	39.61	19.55
Difference between database and experiment	+0.436	−1.333	−4.652	−0.778	+0.289
Percentage of difference (%)	+3%	−4%	−11%	−2%	+2%