Packing machine quality appraisal

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cartoning machine takes the synergy of automated carton forming and precise filling as its core principle. By optimizing the molding accuracy, filling speed and sealing stability, it achieves the synergy of dimensional consistency, sealing integrity and production efficiency of the packaging box. It is widely used in automated packaging production lines for pharmaceuticals, food, cosmetics and electronic products. In pharmaceutical packaging, it is used for high-precision simultaneous loading of blister sheets and instructions; in the food industry, it meets the demand for non-destructive boxing of fragile products; in the electronic field, it ensures the sealing of anti-static packaging. Compared with traditional equipment, the cartoning machine has the characteristics of multi-station linkage, intelligent detection (automatic rejection of lack of materials/empty boxes) and flexible adaptation, and is the core equipment of the packaging process.

Zhongke Testing is a product quality appraisal service organization registered with the court. It can provide cartoning machine quality appraisal services. It has a professional appraisal team and advanced instruments and equipment to provide fair and accurate appraisal results for cartoning machine quality appraisal.

With the improvement of packaging standardization requirements, related quality dispute cases have increased significantly. The judicial dispute focuses on:

1, performance index dispute: the boxing speed does not meet the standard, the box damage rate;

2, material defects: insufficient hardness of the forming mold steel, wear-resistant life of the conveyor belt;

3, process problems: vacuum box fluctuations, visual positioning errors;

4, contract performance disputes: core modules (such as imported servo drive systems, high-precision photoelectric sensors) are inconsistent with the technical agreement.

0 Such cases need to pass functional testing, material failure analysis and dynamic efficiency verification to clarify the quality responsibility.

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cartoning machine quality appraisal technical methods mainly include:

1, equipment appearance inspection

The appraiser will inspect the appearance of the cartoning machine. Check the surface of the device for scratches, deformation, rust, etc., which may affect the service life and aesthetics of the device. At the same time, it will also be checked whether the identification of the equipment is clear and complete, including the model, specification, manufacturer and other information of the equipment.

2, mechanical structure inspection

Conduct a detailed inspection of the mechanical structure of the cartoning machine, including whether the connection of each component is firm, the wear of the transmission parts, the dimensional accuracy of the mold, etc. Through measurement and observation, determine whether the mechanical structure meets the design requirements and contract agreements.

03. Electrical control system inspection

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2Check whether the various functions of the electrical control system are normal, including the sensitivity of the sensor, the operation of the control program, and whether the connections of the electrical components are firm, etc. Through professional testing equipment, the electrical control system is comprehensively tested to ensure its safety and reliability.

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44, performance indicator test

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6 conduct actual tests on the performance indicators of the cartoning machine, including cartoning speed, cartoning accuracy, stability, etc. During the testing process, it is necessary to operate in strict accordance with the contract agreement and industry standards, record the test data, and conduct comparative analysis with the contract requirements.

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The applicant, a pharmaceutical company, and the respondent, an equipment manufacturer, signed a "Blister Cartoning Machine Purchase Contract" with an agreed breakage rate of ≤0.5%. After being put into production, the damage rate reached 3.8%, and the manufacturer argued that it was caused by problems with the carton material.

identification analysis results:

The quality analysis expert group discussed and comprehensively analyzed the relevant information of the "cartoning machine", the contract technical agreement, the on-site inspection case materials and other data, and made the following quality analysis Opinion:

The box-suction vacuum of the cartoning machine involved in the case is only -0.4bar (agreement ≥-0.6bar), the parallelism deviation of the molding mold is 0.2mm (agreement ≤0.1mm), and the surface friction coefficient of the conveyor belt is 0.25 (agreement ≤0.15), causing the carton to shift and rub.

The appraisal conclusion determined that defects in the vacuum system and mold accuracy were the main causes of damage.

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Cartoning machine quality appraisal report should include:

1, appraisal purpose (such as production loss attribution, contract compliance verification) and reference standards;

2, involved equipment model, control system version, production log;

3, detection method and equipment list (such as laser speed tester, tensile testing machine);

4, analysis of the correlation between test data and failure (such as the impact of vacuum degree on the breakage rate);

05, clarify the quality responsibility judgment conclusion and technical basis;

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26, signature of the appraiser, mechanical engineer qualification certificate and official seal of the organization.

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