Mold Balance Block

Product Introduction: High-Quality Mold Balance Blocks

In injection molds and stamping molds, Balance Blocks (also known as Wear Plates or Support Blocks) are critical load-bearing components installed on mold parting surfaces or slider bearing surfaces. They withstand clamping force, maintain mold parallelism, and prevent direct core-to-core collision. As a mold manufacturer that produces for our own use, we maintain extremely stringent standards for wear resistance, flatness, and hardness matching of balance blocks. Every block undergoes precision machining and rigorous inspection to ensure no deformation, no wear, and no galling during long-term high-pressure clamping.

✅ Self-Produced and Self-Used, Rigorously Selected
We are not only a supplier of mold components but also a mold producer ourselves. Through extensive practical experience in our own molds, we have repeatedly validated the steel selection, heat treatment process, flatness precision, and paired hardness of balance blocks. Only those with excellent wear resistance, sufficient rigidity, and exceptional durability are approved for our supply system.

✅ Premium Materials, Wear and Pressure Resistant
Our balance blocks are manufactured from high-strength mold steels such as SKD11, SKD61, or Cr12MoV, undergoing quenching and tempering treatment to achieve a hardness of HRC50-60. Excellent wear resistance and compressive strength ensure dimensional stability during repeated clamping cycles, effectively protecting the core and parting surfaces.

✅ Precision Grinding, Flatness Guaranteed
The working surface of each balance block is precision ground using high-precision surface grinders, achieving flatness within 0.005mm and surface roughness below Ra0.4μm. High-precision flat mating ensures uniform force distribution during clamping, preventing mold deformation or product flash caused by local overloading.

✅ Multiple Structures, Wide Applicability
We offer various structural types of balance blocks to meet different mold requirements:

• Standard Flat Type: Rectangular or circular flat plate structure, installed at parting surface corners or load-bearing positions

• Step Type: With step design for embedding into the mold plate, preventing displacement

• Oil Groove Type: Oil grooves on the working surface for lubricant retention, reducing friction and wear

• Self-Lubricating Type: Embedded graphite or solid lubricant, suitable for lubrication-limited or high-temperature applications

• Adjustable Balance Block: With adjustment threads for fine height tuning, compensating for wear or machining errors

✅ Hardness Matching, Core Protection
We recommend reasonable hardness matching solutions based on mold operating conditions. Typically, balance block hardness is slightly lower than core hardness, or the principle of one hard and one soft is applied in pairing, allowing wear to occur preferentially on the more easily replaceable balance block, thereby protecting expensive cores and cavities.

✅ Complete Specifications, Customized Solutions
For standard specifications, we maintain regular inventory of common sizes (from 50×50mm to 200×200mm) and thicknesses for quick dispatch. For non-standard customization, based on your mold structure and load requirements, we offer custom balance blocks with special sizes, special thicknesses, special oil groove layouts, and mounting hole configurations.

We Can Also Source for You
If you have requirements for balance blocks or other mold components, whether standard or non-standard, we can leverage our production experience and supply chain resources to select and procure the most suitable parts for you. We know molds, and we know components.

Contact us today for samples and a quotation.