Deep Drawing Parts: Basics, Materials, Processes & Equipment

The Role of Deep Drawing Parts in Modern Manufacturing

Deep Drawing Parts play a crucial role in a wide range of modern manufacturing sectors, including automotive, aerospace, medical devices, and consumer electronics. The deep drawing process allows manufacturers to produce complex, seamless metal components with high dimensional accuracy and excellent surface quality. This method is particularly valued for its ability to form lightweight yet strong parts, which helps reduce overall product weight without compromising durability.

One of the key advantages of deep drawing is the capability to produce parts at high volume with consistent quality. It also supports various metals, making it versatile for different performance requirements. Below is a comparison of commonly used materials for Deep Drawing Parts:

Material Type	Tensile Strength (MPa)	Ductility (%)	Corrosion Resistance	Typical Applications
Stainless Steel	500–1000	40–60	Excellent	Food-grade containers, medical instruments
Aluminum	90–400	20–45	Good	Automotive body panels, aerospace parts
Copper	200–400	30–50	Very Good	Electrical components, heat exchangers
Brass	250–550	30–50	Good	Plumbing fittings, decorative items
Low-Carbon Steel	270–450	25–45	Moderate	Industrial housings, mechanical parts

Understanding the Basics of Deep Drawing Parts

Deep Drawing Parts are metal components formed by pulling a flat sheet of material into a die using mechanical force, creating seamless and often complex shapes without cutting or welding. This process is widely used for producing cups, housings, enclosures, and other cylindrical or box-like forms. The key advantage lies in achieving precise dimensions and smooth surfaces while maintaining the structural integrity of the material.

In deep drawing, several parameters directly influence the quality and cost of production:

Parameter	Typical Range	Impact on Deep Drawing Parts
Drawing Ratio (blank diameter / punch diameter)	1.5 – 2.2	Higher ratios allow deeper shapes but increase risk of tearing
Blank Holder Force (BHF)	10–30% of punch force	Prevents wrinkling during forming
Sheet Thickness	0.2–3.0 mm	Thicker sheets resist tearing but require more forming force
Punch Speed	50–200 mm/s	Higher speeds can improve efficiency but may cause heat and defects
Lubrication Type	Oil-based / Water-based	Reduces friction, affects surface finish and tool life

Materials Selection for Deep Drawing Parts

Choosing the right material is critical to ensuring Deep Drawing Parts meet performance, cost, and manufacturing requirements. The ideal material must combine sufficient ductility for forming, adequate strength for end use, and resistance to defects like cracking or wrinkling during the drawing process. Different industries require different balances of these properties—automotive manufacturers may focus on lightweight metals, while industrial applications may prioritize durability and wear resistance.

When selecting materials for Deep Drawing Parts, engineers typically evaluate the following:

Material Type	Tensile Strength (MPa)	Elongation at Break (%)	Corrosion Resistance	Formability Rating*
Stainless Steel	500–1000	40–60	Excellent	Medium
Aluminum	90–400	20–45	Good	High
Copper	200–400	30–50	Very Good	High
Brass	250–550	30–50	Good	Medium
Low-Carbon Steel	270–450	25–45	Moderate	High

*Formability Rating is a relative indicator based on ductility and work-hardening behavior.

Manufacturing Processes and Equipment for Deep Drawing Parts

The manufacturing of Deep Drawing Parts involves a series of precise forming steps, supported by specialized machinery and quality control systems. The process typically begins with blank preparation, followed by one or multiple drawing stages to achieve the desired shape and depth. Tooling design is a critical factor, as it directly influences the accuracy, surface finish, and lifespan of the parts.

Suzhou Heaten is a professional metal mold design & fabrication supplier and precision part manufacturer, equipped with advanced production and testing facilities to meet diverse deep drawing needs. Their manufacturing capacity includes:

Equipment Category	Specification / Range	Quantity	Application in Deep Drawing Parts
Stamping Precision Processing Equipment	110T – 1000T Punch Press	32 sets	High-precision metal forming for small to large parts
Mold Manufacturing Equipment	Wire Cutting, Processing Center, Water Mill, Precision Grinding	20 sets	Tooling fabrication and maintenance for deep drawing
Inspection & Testing Equipment	Dimensional, Surface, and Material Testing Systems	Multiple	Quality verification for dimensional accuracy and defect prevention

Typical Process Flow for Deep Drawing Parts

Blanking – Cutting raw sheet metal to required size
First Drawing Stage – Initial shape formation under controlled pressure
Redrawing / Secondary Stages – Achieving deeper or more complex geometries
Trimming & Piercing – Removing excess material and creating holes if needed
Surface Finishing – Improving corrosion resistance and appearance
Inspection & Testing – Ensuring compliance with IATF16949, ISO9001, and ISO14001 standards

With a combination of high-tonnage presses, precision mold manufacturing equipment, and rigorous inspection procedures, Suzhou Heaten is capable of producing Deep Drawing Parts with consistent quality, tight tolerances, and excellent structural integrity. This integrated manufacturing approach ensures that every part meets both functional performance and industry certification requirements.

Inner Angle Adjuster Lower Bracket Reinforced Sheet Metal