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Q1. 折彎高度的限制?

以90度折彎來說，折彎高度不可低於2倍板厚，舉例:以1mm板厚90度折彎高度，不可低於3mm(含板厚)

Q2. 折彎外R角的限制?

以90度折彎來說，折彎後的外R角約為板厚的1.2倍，舉例:以1mm板厚，折彎90度，內R角可達到幾近0R，外R角則會落在1.2R。

Q3. 為何會有沖壓斷面?

沖壓下料為擠壓切斷，故會有沖壓斷面產生，一般來說，板厚越厚沖壓斷面越明顯。

Q4. 為何沖壓會有毛邊產生?

毛邊為沖壓剪斷後留下來的產物，任何料厚經過沖壓剪斷都會產生正常毛邊，原則上以板後為基準，板厚越厚，毛邊高度越高。毛邊處理方式可透過模具處理、震動研磨、電鍍烤漆等方式處理毛邊，此則依客戶需求及考量應對之。

Q5. 為何會產生孔位變形?

若沖孔位置接近於折彎處，此時孔位易發生拉料變形，若會影響其功能性，則須先成型後沖孔。

Q6. 常見的材料種類及板厚有哪些?

鐵板材
SPCC: 0.5mm,0.6mm,0.7mm,0.8mm,0.9mm,1.0mm,1.2mm,1.4mm,1.5mm,1.6mm,2.0mm,2.3mm,2.5mm,3.0mm,3.2mm
SECC: 0.4mm,0.5mm,0.6mm,0.7mm,0.8mm,1.0mm,1.2mm,1.5mm,1.6mm,2.0mm
SGCC: 0.6mm,0.8mm,1.0mm,1.2mm,1.5mm
SGLC: 0.2mm,0.3mm,0.5mm,0.6mm,0.8mm,1.0mm
SPTE: 0.15mm,0.2mm,0.25mm,0.3mm,.0.4mm,0.5mm,0.6mm,0.8mm
SK7: 0.3mm,0.35mm,0.4mm,0.45mm,0.5mm,0.6mm,0.7mm,0.8mm,1.0mm,1.2mm,1.5mm,1.6mm,1.8mm,2.0mm,2.5mm,3.5mm
SK5: 0.1mm,0.2mm,0.3mm,0.35mm,0.4mm,0.5mm,0.6mm,0.7mm,0.8mm,1.0mm,1.2mm,1.4mm,1.5mm,1.6mm,1.8mm,2.0mm,2.3mm,2.5mm,2.8mm,3.0mm,3.2mm,3.5mm,4.0mm,4.5mm
鋁板材
AL1050: 0.3mm,0.4mm,0.5mm,0.6mm,0.8mm,1.0mm,1.2mm,1.5mm,1.6mm,2.0mm,2.3mm,1.5mm,3.0mm,4.0mm,5.0mm,6.0mm
AL5052: 0.3mm,0.4mm,0.5mm,0.6mm,0.8mm,1.0mm,1.2mm,1.5mm,1.6mm,2.0mm,2.3mm,1.5mm,3.0mm,4.0mm,5.0mm,6.0mm
AL6061: 0.6mm,0.8mm,1.0mm,1.2mm,1.6mm,2.0mm,2.3mm,2.5mm,3.0mm,3.2mm,4.0mm,5.0mm,6.0mm,6.35mm
不繡鋼板材
SUS430: 0.2mm,0.25mm,0.3mm,0.4mm,0.5mm,0.6mm,0.7mm,0.8mm,1.0mm,1.2mm,1.5mm,2.0mm
SUS304: 0.2mm,0.25mm,0.3mm,0.35mm,0.4mm,0.45mm,0.5mm,0.6mm,0.7mm,0.8mm,1.0mm,1.2mm,1.5mm,2.0mm,2.5mm,3.0mm
SUS301: 0.05mm,0.08mm,0.1mm,0.12mm,0.15mm,0.2mm,0.25mm,0.3mm,0.35mm,0.4mm,0.45mm,0.5mm,0.6mm,0.7mm,0.8mm,1.0mm,1.2mm,1.5mm,2.0mm
銅板材
C1100: 0.1mm,0.125mm,0.15mm,0.2mm,0.25mm,0.3mm,0.4mm,0.5mm,0.6mm,0.7mm,0.8mm,1.0mm,1.2mm,1.5mm,1.6mm,2.0mm,2.3mm,2.5mm,3.0mm,3.2mm,4.0mm,4.8mm,5.0mm,6.0mm
C5191: 0.1mm,0.15mm,0.2mm,0.25mm,0.3mm,0.4mm,0.5mm,0.6mm,0.8mm,1.0mm,1.2mm,1.5mm,2.0mm
C2680: 0.2mm,0.25mm,0.3mm,0.4mm,0.5mm,0.6mm,1.7mm,0.8mm0.9mm,1.0mm,1.2mm,1.4mm,1.5mm,1.6mm,1.8mm,2.0mm,2.3mm,2.5mm,3.0mm,3.2mm,4.0mm
C 7701: 0.1mm,0.15mm,0.2mm,0.3mm,0.4mm,0.5mm

Q7. 常見的模具材料有哪些?

SS41: 一般鐵板，常用於模座、夾板及墊腳。
YK30: 模具鋼料，俗稱紅牌，常用於脫料板、擋板及墊板，低階模具鋼料，缺點是硬度不夠，無法於模具結構中扮演主角。
SKD11: 模具鋼料，俗稱紫牌，常用於公模、母模、脫料板及沖頭，常見的模具鋼料，一般沖壓金屬模具常用的材質，熱處理硬度可達HRC 58~59度。
SLD: 模具鋼料，常用於公模、母模、脫料板及沖頭，比SKD11在高一階的模具鋼料，適用於沖切不繡鋼厚板材，韌性較SKD11好，熱處理硬度可達HRC 58~60度
DC 53: 模具鋼料，常用於公模、母模、脫料板及沖頭，與SLD屬同階的模具鋼料，適用於沖切不繡鋼厚板材，熱處理硬度可達HRC 58~60度，熱處理需掌控好才能發揮其特質。
SKH: 模具鋼料，常用於公模、母模、脫料板及沖頭，與SLD屬同階的模具鋼料，適用於沖切不繡鋼厚板材，熱處理硬度可達HRC 58~60度，熱處理需掌控好才能發揮其特質。
ASP23: 模具鋼料，常用於公模及沖頭，高階模具鋼料，硬度比ASP60低但韌性強，適合沖壓厚板材，缺點是單價高，視產品需求使用之，熱處理硬度可達HRC 64~66度。
T15: 模具鋼料，常用於公模及沖頭，高階模具鋼料，硬度及韌性介於ASP23跟ASP60之間，缺點是單價高，視產品需求使用之，熱處理硬度可達HRC 66~67度。
ASP60: 模具鋼料，常用於公模及沖頭，高階模具鋼料，硬度比ASP23高但韌性弱，適合沖壓薄板材，缺點是單價高，視產品需求使用之，熱處理硬度可達HRC 67~69度。
Tungsten steel: 模具鋼料，常用於公模及沖頭，高階模具鋼料，以粉末冶金方式成型，硬度高但韌性不強，適合柏板高速衝壓及引伸成型，缺點是單價高，視產品需求使用之，硬度可達HRC 70~80度。