How to Lift a Sinking Subframe in the Mold Base Industry

The subframe plays a crucial role in the stability and functionality of mold bases in the mold base industry. A sinking subframe can cause serious issues with the quality and precision of molds, affecting overall productivity. Therefore, it is essential to know the proper steps to lift a sinking subframe effectively. In this article, we will explore the techniques and procedures involved in lifting a sinking subframe, ensuring the longevity and efficiency of mold bases.

1. Assess the Problem

Before attempting to lift a sinking subframe, it is imperative to assess the problem accurately. This can be accomplished by inspecting the entire mold base structure, paying close attention to any noticeable sinking or misalignment. It is advisable to involve experts or experienced professionals in this process to ensure accurate assessment.

2. Prepare the Equipment

Once the sinking subframe has been identified, the next step is to prepare the necessary equipment for the lifting process. This typically includes hydraulic jacks, shims, and leveling kits. The equipment should be in good working condition and properly calibrated to ensure precise adjustments during the lifting process.

3. Jacking Procedure

When starting the jacking procedure, it is important to ensure proper support and stability of the mold base. Begin by placing hydraulic jacks strategically, evenly distributing the weight across the subframe. Gradually increase the pressure on the jacks, allowing the subframe to rise slowly and evenly. It is crucial to monitor the subframe and make necessary adjustments to ensure a balanced lift.

4. Shimming and Alignment

Once the subframe has been lifted to the desired level, the next step is to shim and align it properly. This involves inserting shims in the appropriate areas to compensate for any unevenness or misalignment. Shimming should be done meticulously, ensuring that the subframe is level and properly aligned with the mold base structure.

5. Secure the Subframe

After shimming and alignment, it is imperative to secure the subframe firmly in its lifted position. This can be achieved by using specialized fasteners or clamps to hold the subframe securely in place. It is essential to follow manufacturer's guidelines and use appropriate fasteners to ensure stability and durability.

6. Recheck and Test

Once the subframe is lifted, shimmed, and secured, it is important to recheck and test the mold base to ensure proper functionality and alignment. This involves inspecting the overall structure, testing for any residual sinking or misalignment, and making minor adjustments if necessary.

Conclusion

Lifting a sinking subframe in the mold base industry requires careful assessment, precise jacking procedures, shimming and alignment, and proper securing techniques. By following these steps diligently and involving professionals when needed, mold base manufacturers can ensure the stability and efficiency of their mold bases, leading to high-quality molds and improved productivity.