Lightweighting in Manufacturing Processes

The Weight of Old Concepts

Before the auto industry began adapting to more advanced and cost-effective material manufacturing concepts, vehicles were predominantly made of the same one material – steel. This heavy material not only hinders the performance of vehicles but also contributes to fuel inefficiency. Steel-made automobiles are restricted from having additional features embedded, such as safety devices or integrated emission and electronic systems, because of the considerable weight the steel carries. In only the last 25 years, auto manufacturers have gradually shifted towards using advanced materials to replace steel in vehicles.
 

The Advantages of Lightweighting

Lightweighting is a modernised concept in the auto industry focused on building less heavy passenger vehicles that are less heavy in order to achieve maximized performance, fuel efficiency and handling. Instead of steel, vehicle manufacturers use lighter, advanced materials such as aluminium or magnesium alloy and carbon fibre composites in their mass-produced passenger cars. These materials provide a range of benefits without compromising safety or durability:

    - Increased fuel economy

    - Maximised vehicle performance and handling

    - Reduced oil consumption and carbon footprint

    - High strength-to-weight ratio

    - Extreme temperature tolerance

    - Improved range of hybrid and electric cars

    - Ability to include additional safety features, emission systems, and customised accessories without          overloading the vehicle
 

Assembly Equipment

Advanced sealants and adhesives are used in the vehicle assembly process to join dissimilar substrates, either used in conjunction with mechanical fastening processes or replace them altogether. Placement and performance requirements dictate material chemistries, which in turn dictate dispensing equipment requirements. 

Traditional adhesive application equipment utilises a pump that feeds a shot meter or dosing system, which controls and delivers the placement of adhesive. These devices can be quite accurate under controlled conditions but are expensive and difficult to maintain when implemented in the plant, where conditions can vary widely. This performance variability can also lead to issues in subsequent mechanical fastening processes, or compromise the bond itself. Modern systems such as the Graco E-Flo iQ dispense system eliminate the need for a shot meter and provide advanced control to precisely dispense material. Additionally, our systems dispense accurately and efficiently to optimize the material application for more reliable beads and stitches. 
 

Summary

Lightweighting processes can offer abundant material savings, improved safety and increased vehicle performance. Graco equipment can provide a smooth transition in embedding this concept within your automotive assembling operations. Our systems offer a clean, accurate and efficient dispense to advance your lightweighting process. 
 

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