Taken the hot-forming punch of a glass part as an example, the main defects of hot- forming punch is explained, including punch crack and punch wound.

Solid granules medium forming new technology (SGMF) is a technology which USES solid granules medium instead of rigid punch (or elastomer, liquid) to achieve the sheet forming.

Compression of square block with hemispheric punch and forming of crankshaft are simulated by this system, which indicates that the given methods and software are feasible.