3D Sand Printing Technology Helps Rapid Delivery of Motor Housings for a Power Company

By  in  -- March 27, 2025
3DPCASTING > Cases > Automotive > 3D Sand Printing Technology Helps Rapid Delivery of Motor Housings for a Power Company

A power company was recently faced with an urgent task: it needed to develop housing components for a new type of electric motor, and required that these components could be used directly for installation and road testing. Traditional manufacturing methods could not fulfill this requirement in a short period of time, especially under the premise of guaranteeing quality and precision. After a number of visits and technical evaluations, the company finally opted for an innovative 3D sand-printing with mold manufacturing solution.

Sand casting motor housing cover

Technical Solution

In response to the customer's needs, we have developed the following technical solutions:

  1. Manufacturing process: using 3D sand printing technology combined with traditional mold method
  2. Material selection: Aircraft-grade aluminum alloy ZL101A is used
    Excellent casting performance
    Good mechanical propertie
    Suitable for precision machining
  3. Post-processing: final stage precision machining to ensure dimensional accuracy

This combination of solutions perfectly combines the rapid prototyping advantages of additive manufacturing with the stability of traditional casting, while ensuring the quality of the final product through precision machining.

Project Implementation and Achievements

We overcame a number of technical challenges during the implementation of the project:

  • Rapid response: from design confirmation to first piece delivery in 15 days.
  • Mass production: All 30 sets of finished aluminum parts were delivered within 40 days.
  • Quality Assurance:
    Surface roughness is close to the highest standard;
    Critical dimensional tolerances were strictly controlled within requirements;
  • Installation performance: all the shells passed the installation test at one time, fully meeting the requirements of the road test.
Motor housing cover

Technical Advantage Analysis

Compared with the traditional manufacturing method, the 3D sand printing with mold solution shows significant advantages:

  1. Time efficiency: shorten the development cycle by 60%.
  2. Cost control: small batch production is more economical
  3. Freedom of design: complex cavity structure can be quickly realized
  4. Stable quality: good consistency of the printed sand mold, stable casting quality.

Customer feedback and application prospects

The technical director of Power Company said: “This cooperation has made us deeply appreciate the changes brought by advanced manufacturing technology. Obtaining high-quality motor shells in such a short period of time has won us valuable time for new product development.”

With the success of this cooperation, the application of 3D sand printing technology in the field of power equipment is more promising, especially suitable for:

  • Rapid validation in the new product development stage
  • Small-lot, multi-variety production needs
  • Manufacturing of complex structural components
  • Rapid supply of emergency spare parts
Outer surface of motor housing cover

Conclusion

This project not only solved the customer's urgent needs, but also provided a successful case for the transformation and upgrading of the traditional manufacturing industry. the innovative combination of 3D printing technology and traditional processes is reshaping the boundaries and possibilities of the manufacturing industry. We will continue to plough into this field and provide customers with more efficient and higher quality manufacturing solutions.

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