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A Sheet Metal Forming (SMF) process, especially deep drawing, is one of the manufacturing processes that commonly used in the automotive industry. Compared with casting and forging, the SMF process has several advantages, including lesser weight materials and broader variations in shape that can be made. One of the problems in the SMF process is the wrinkling phenomenon, which can cause the size and appearance defects of sheet products. The wrinkle occurs because of the mechanical properties of the material, product geometry, and blank holder force (BHF). Several variations of BHF were applied in these simulations and experiments to eliminate the wrinkle defects of cylinder flange cup test products. The characteristic of the cylinder flange cup is from the cold-rolled coiled steel plate (SPCC) type of material with a thickness of 0.8 and 1.0 mm, the height of 10 mm, the inner diameter of 58 mm, and flange diameter of 76 mm. Simple simulations of the SMF process were carried out by using Solidworks with version 2017, and the experiment was carried out at a 600 kN press with a punch velocity of 40 strokes per minute and blank holder force variations from 0 to 21 kN. The experimental data performed with a single die on a flanged cup cylindrical test material shows that the higher the blank holder force (BHF) number, the smaller the wrinkle defect, and it can be eliminated starting from the BHF number of 15 kN.

The lining is coil’s protector componen and metal liquid reservoir, the lining is required to own endurance towards chemical reaction and high temperature emitted by the smelting process. The lining commonly problem on the lining damage (cavity) after the sintering process. This damage cause the smelting process force-stopped, due to endangering the induction furnace operator and the surrounding. According to the analysis result, the lining damage occured because of the improper pulverization and sintering process with the casting term. The uncontinued comprssion process and the improper sintering with the used fireproof material, cause the lining can not maximally functioned. The upcoming refinement will apply proper compression process according to metal casting theories and economically anallyzed.