Overview of Deep Drawing for Metal Materials

Metal forming by deep drawing is a simple, cost-effective, and widely used manufacturing process. So, what is deep drawing? Let's explore this method with SHL ASEAN!

1. What is Deep Drawing?

Deep drawing is a metal forming process used to shape a metal sheet into a specific geometry. In this process, the metal sheet is placed into a die and pressed into shape using a punch. During deep drawing, heat generated by friction between the punch and the workpiece plays a crucial role. Therefore, a specialized lubricant is required for both lubrication and cooling.

Deep drawing lubricants (also known as forming oil, stamping oil, etc.) are a blend of mineral base oil and additive systems. This combination not only provides lubrication, corrosion resistance, and crack prevention but also offers excellent anti-rust properties. These lubricants are used in various metal forming processes, including stamping, drawing, and rolling.

2. Functions of Deep Drawing

Metal deep drawing oil serves several key functions:

  • Lubrication: Since the primary component of deep drawing oil is mineral base oil, it provides excellent lubrication between the metal workpiece and the punch.

  • Cooling the die, punch, and workpiece: The lubricant minimizes friction during the deep drawing process, reducing heat generation and improving cooling efficiency for the workpiece, die, and punch.

  • Removal of metal chips: The applied force during deep drawing deforms the metal surface, sometimes producing metal chips. These chips are retained in the deep drawing oil, preventing them from being ejected at high speeds, which could pose a risk to machinery and workers.

  • Corrosion protection: The oil film formed during processing protects the metal surface from oxidation and corrosion caused by exposure to air.

  • Prevention of adhesion welding: When the punch presses into the metal sheet, the resulting expansion and heat can cause the metal surface to adhere to the punch. Deep drawing oil reduces friction, cools the surface, and prevents adhesion welding at the contact points.

3. Requirements for Deep Drawing Oil

When selecting a deep drawing oil, it should meet the following technical requirements:

  • Excellent lubrication and extreme pressure resistance

  • Compatibility with various metals such as aluminum, copper, iron, steel alloys, SUS, etc.

  • Extends the lifespan of workpieces

  • Reduces wear and cracking

  • Provides strong anti-rust protection

  • Environmentally friendly and safe for worker

4. Criteria for Selecting Deep Drawing Oil for Metals

When choosing deep drawing oil for metal processing, the following factors should be considered:

  • The oil should contain additives that provide anti-rust, anti-corrosion, and high-pressure resistance properties, ensuring suitability for demanding processing conditions.

  • For components requiring deep drawing with significant deformation, a high-viscosity oil with strong adhesion should be selected to minimize wear, warping, and blistering.

  • For deep drawing processes with high friction between the workpiece and the punch, a high-viscosity oil with excellent adhesion is recommended to prevent damage and corrosion of the workpiece and formed parts.

  • The selected deep drawing oil should be compatible with the type of metal being processed.

  • The oil should meet the required performance standards for the metal both before and after forming.

5. SHL DRAW 2047 Deep Drawing Oil

As one of our premium forming oils, SHL DRAW 2047 is currently used in processing methods such as deep drawing, compression, and stamping for workpieces made of stainless steel, high-carbon steel, and SUS. The product offers several advantages:

  • Maintains high precision during processing

  • Reduces heat generation through efficient cooling and friction reduction

  • Delivers outstanding machining performance, even in extreme pressure conditions

  • Free from chlorine and sulfur, with minimal odor, ensuring safety and comfort for users

SHL DRAW 2047
SHL DRAW 150HA
SHL DRAW 43CF

Currently, to protect workpieces and stamping machines from friction and heat during the forming process while also ensuring smooth operation, using deep drawing oil is essential. Without proper lubrication, the stamping process becomes difficult due to friction, leading to damaged workpieces and scratched dies. Additionally, excessive friction generates heat, causing workpieces to stick to the press machine.

You should select a deep drawing oil that matches your machinery and processing requirements, ensuring quality, cost efficiency, and optimal performance by choosing products from reputable manufacturers.

For more information on product specifications, pricing, and other SHL ASEAN Korean lubricants, contact us:
📞 0354 029 579 | 0354 649 579 for consultation and support!