Among all the processes involved in prototype stamping, the deep draw stamping process is one of the key factors impacting quality, cost, and lead-time. This is because the deep draw process usually requires specific deep draw tools for forming, while a tight timeframe is the normal state for prototype work. As such, rapid prototyping technology is quite important for delivering good quality parts on-time.
Steel Material Properties | |||||||||
Material Grade/Description | Chemical Composition (weight %) | Tensile strength (Mpa) |
Yield strength (Mpa) |
Elongation | Remarks | ||||
(C) | (P) | (Mn) | (S) | (Si) | |||||
ASTM/AISI 1008 | <=0.10 | <=0.030 | 0.30~0.60 | <=0.05 | 0.15~0.35 | >=325 | >=195 | 33% | Similar to CN-GB/T699 8# steel |
ASTM/AISI 1010 | 0.08-0.13 | <=0.05 | 0.30~0.60 | <=0.05 | 0.15~0.35 | >=335 | >=205 | 31% | Equative to CN-GB/T699 10# steel |
ASTM/AISI 1015 | 0.13~0.18 | <=0.050 | 0.30~0.60 | <=0.05 | 0.15~0.35 | >=375 | >=225 | 27% | Equative to CN-GB/T699 15# steel |
ASTM/AISI 1018 | 0.17~0.24 | <=0.035 | 0.70~1.00 | <=0.035 | 0.17~0.37 | >=410 | >=275 | 24% | Similar to CN-GB/T699 20# steel |
ASTM/AISI 1020 | 0.18~0.23 | <=0.050 | 0.30~0.60 | <=0.05 | 0.15~0.35 | >=410 | >=245 | 25% | Equative to CN-GB/T699 20# steel |
ASTM/AISI 1035 | 0.32~0.38 | <=0.040 | 0.6~0.9 | <=0.05 | …… | >=585 | >=370 | 30% | Equative to CN-GB/T699 35# steel |
ASTM/AISI 1045 | 0.43~0.5 | <=0.040 | 0.6~0.9 | <=0.05 | …… | 585Mpa (85KSI) |
450Mpa (65KSI) |
12% |
To illustrate how we at Metalstar create a hollowed sheet metal prototype part using the deep draw stamping method, let me walk through the key steps:
First, we prepare the deep draw forming dies and the flat raw sheet metals needed for the process. This includes ensuring the dies are properly set up and the sheet metal stock is cut to the appropriate size and shape.
Next, we perform the forming operation using a hydraulic press machine. This is a critical step where the sheet metal is stretched and formed into the desired 3D shape. Getting this part of the process right is essential for achieving the primary correct shaped part per the design specifications.
After the forming is complete, we move on to any additional steps required, such as trimming, bending, or other stamping or rolling processes. These secondary steps help refine the prototype part and ensure it meets all the necessary requirements.
Throughout this process, we rely heavily on our rapid prototyping capabilities to deliver the finished part within the tight timeframes typical of prototype work. This agility, combined with our deep expertise in deep draw stamping, allows us to provide our customers with high-quality prototype parts in a cost-effective and timely manner.
In conclusion, the prototype deep draw stamping process is a vital component of our prototype stamping capabilities at Metalstar. By leveraging the latest rapid prototyping technologies and techniques, we are able to consistently produce excellent results for our clients, even under the most challenging time constraints.