Unveiling the Quality Inspection of the Whole Process of Optimal Casting: Creating Hard Core Quality with Precision Standards-E-commerce platform

Quality is the core competitiveness of equipment, and standardized, multi-level, and fully covered quality inspection processes are the key foundation for ensuring equipment stability, accuracy, and durability. Youzhu always adheres to the quality control concept of "striving for excellence and strict control throughout the process", abandoning the single and superficial testing mode, and building a full chain, multi process quality testing system from core castings, key plasticizing components to overall machine performance.

Every device undergoes rigorous testing from raw material molding to complete machine delivery, from microscopic material structure to macroscopic overall performance, to eliminate quality hazards and ensure that every delivered device has stable performance, ultra-high precision, and long service life.

　　Casting quality inspection

　　Laying the foundation for the overall structure of the machine

Castings are the basic load-bearing structure of equipment, and their material composition, internal structure, mechanical strength, and processing accuracy directly determine the load-bearing capacity and operational stability of the equipment. To control the quality of the substrate from the source, Youzhu has established comprehensive and three-dimensional testing standards for equipment castings, coveringMicrostructure, mechanical properties, processing accuracyThree core inspection dimensions, and special flaw detection testing is added for medium and large models to achieve comprehensive coverage of casting quality.

After conducting basic measurements of the casting dimensions, carry outMetallographic analysisBy using a professional microscope to magnify and observe the internal structure of castings, hidden defects such as slag inclusion, microcracks, and loose structure can be accurately identified, ensuring that the internal structure of castings is dense and uniform, and eliminating potential risks at the microscopic level.

　　Universal tensile testing：In terms of mechanical performance, tensile strength testing is conducted using a universal tensile testing machine. To ensure the authenticity and reliability of the data, the test samples can be directly sampled from the casting body, or furnace test blocks cast in the same furnace as the casting can be used. The dual source sample mechanism effectively ensures that the test data is highly consistent with the actual production batch, thereby truly reflecting the mechanical performance level of the material.

　　three-coordinate measurement：In terms of dimensional accuracy, castings are made usingMazak machine tool processingThe critical dimensions and assembly tolerances of the castings are comprehensively inspected and corrected by the American Leiden coordinate measuring equipment, and machining errors are strictly controlled to ensure the accuracy of the coordinate measuring equipmentPrecision control up to micrometer level (≤ 3 μ m)The dimensional consistency meets the standard, providing a solid foundation for the subsequent assembly accuracy and structural stability of the entire machine.

　　Ultrasonic flaw detection：Special ultrasonic testing is also carried out for thick walled template castings of medium and large models. Due to the complex formation of thick walled castings, internal defects are difficult to identify through conventional means. Ultrasonic testing can perform full section penetration scanning of the material's interior, accurately identifying hidden defects such as cracks, slag inclusions, and looseness, thereby effectively avoiding structural risks and ensuring long-term stable and safe operation of large equipment under high load conditions.

　　Repeated verification of core plasticizing components

　　Establish a high durability operation guarantee mechanism

The plasticizing system, as the core functional unit of injection molding machines for material melting, conveying, and homogenization, directly determines the stability of product quality and the comprehensive service life of equipment based on its performance. As a key executing component under high load, high friction, and high temperature conditions, the material properties and manufacturing process of the screw are particularly critical.

Youzhu builds a closed-loop quality verification system for screws and complete plasticizing components, covering multiple dimensions such as material composition, heat treatment status, mechanical properties, and surface protection, to meet the needs of ordinary materials andPCThe demand for high-precision molding of high-end materials such as acrylic.

　　Deviation detector:Key InspectionInjection molding machine screwRotational coaxiality and radial runout deviation ensure that the machining and assembly accuracy of the screw meets the standard, and avoid material cylinder scratching and uneven adhesive glue caused by excessive deviation of the screwsealing elementRapid wear and tear and screw fatigue fracture faults ensure long-term operation accuracy and service life of injection molding equipment.

　　Metallographic structure:The focus is on testing the material density and internal stress relief status of the screw after heat treatment, ensuring that the heat treatment process is in place, avoiding early wear, structural deformation, and fracture failure of the screw due to residual internal stress and material looseness, and significantly improving the durability and stability of the components.

　　Spectral component detection:Quantitative analysis of screw alloy composition is carried out through high-precision spectral analysis equipment to ensure that the material ratio strictly meets the design standards. Especially in high transparency and high-precision product application scenarios, the screw is guaranteed to have excellent corrosion resistance, high temperature resistance, and wear resistance through a strict alloy control system.

　　Hardness testing:Screw hardness is the core indicator for resisting friction, impact, and compression. Standardized hardness testing can effectively avoid problems such as rapid wear, thread deformation, and unstable plasticization caused by insufficient hardness of screws and steel sleeves, ensuring the consistency of accuracy in long-term continuous production of equipment.

　　Thickness detection of electroplating layer:The electroplating layer on the surface of the screw is a key protective layer to enhance its wear resistance and corrosion resistance. At the same time, Youzhu continues to promote the upgrading of its testing equipment system, further improve the standardized testing system for electroplating layers, and continuously enhance the quality of protection for core components.

　　PCMark Vantage

　　The final barrier before leaving the factory

After completing the inspection and assembly of key components, the entire machine enters the final performance verification stage. This stage serves as the final quality checkpoint before the equipment leaves the factory, with a focus on verifying the assembly accuracy, structural stability, and dynamic operating performance of the equipment.

The whole machine inspection focuses on the performance verification of the mold clamping system, mainly including the testing of the consistent force on the four guide columns and the locking force.

The maximum clamping force test is used to verify the output capability of the equipment clamping system, ensuring that the equipment still has stable clamping performance under high pressure conditions, effectively preventing quality defects such as flash and mold expansion during the production process, and ensuring the consistency of product molding.

Conducting template parallelism testing under the condition of "zero clamping force" is a key control step in the precision manufacturing system of Optimal Casting. This detection eliminates the influence of external loads, truly reflecting the geometric accuracy and assembly deviation of the template body, ensuring the uniformity of the template's stress from the source, and avoiding long-term operation bias, uneven stress, and structural fatigue problems caused by basic structural errors.

During the whole machine inspection process, the synchronous loading testing mechanism of four guide columns is strictly implemented to ensure that the guide columns are subjected to balanced forces, synchronized responses, and consistent loads, and to avoid problems such as one-sided bias or structural stress concentration. This control measure can effectively reduce the risks of mold damage, equipment jolting, and operational accuracy deviation caused by force imbalance, comprehensively ensuring the stability and reliability of the entire machine's long-term operation.

　　Same frequency as market trends

　　Moving towards high-quality development

With the continuous upgrading and development of the injection molding machine industry towards high-end, precision, and intelligence, the market has put forward higher standards for the stability, precision, and durability of injection molding equipment. In the face of this market development trend, Youzhu continuously covers a multi-level, full chain quality inspection process that includes casting testing, plasticizing component testing, and overall performance testing. In the future, Youzhu will continue to deepen the upgrading of its quality inspection system, and promote the continuous development of injection molding equipment towards higher quality and higher reliability with higher standard manufacturing processes and stricter inspection systems.

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