很多刀片由于結構較為復雜，需要流線的線條，或者比較厚，無法用切割或沖壓直接完成加工，所以選擇精密鑄造成型。Some blade structure is complex and cannot be cut or stamping processing, so choose precision casting molding.

產品打樣，小單量的產品，未定型的產品試產，在不制作沖壓模具的情況下制作產品，大多采用線切割或激光切割外形制作。 Product proofing, single product quantity is little, not production stamping die, use "line" or "laser cutting production.

產品訂單量較大的產品，制作五金沖壓模具，用高速沖床沖壓產品外形。Product orders for larger products, production of metal stamping mold, with high-speed punch stamping product appearance.