Glass disc sawing machine quality appraisal

glass disc sawing machine takes the synergy of high-precision cutting and dynamic stability as its core principle. By optimizing the spindle speed, cutting line speed and saw blade deflection accuracy, it achieves the synergy of glass cutting dimensional tolerance, edge chipping control and cutting efficiency. It is widely used in the precision processing fields of architectural glass, photovoltaic glass, automotive glass and electronic glass. In the processing of ultra-thin glass, it is used for crack-free cutting; in the photovoltaic glass production line, it meets the demand for rapid slicing of high transmittance glass; in the field of curtain wall glass, it ensures the contour accuracy of special-shaped cutting. Compared with traditional diamond saw blade equipment, glass disc sawing machines have the characteristics of low vibration, high wear resistance and intelligent compensation (laser correction + adaptive feed), and are the core equipment for precision glass cutting.

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

With the upgrade of glass processing accuracy, related quality dispute cases have increased significantly. The judicial dispute focuses on:

1, performance index dispute: excessive cutting edge chipping, straightness deviation;

2, material defects: insufficient strength of diamond saw blade bonding agent, wear-resistant life of spindle bearing;

3, process problems: cooling system failure, repeated positioning accuracy of the feed mechanism;

4, contract performance dispute: core modules (such as imported diamond saw blade brands, high-precision guide rail models) are inconsistent with the technical agreement.

glass disc sawing machine litigation quality appraisal mainly includes the following technical methods:

1. Appearance inspection: Check whether the appearance, structure, and components of the equipment meet the drawing requirements, and whether there are defects such as damage and deformation.

2. Dimensional measurement: Measure the size, accuracy, tolerance and other parameters of the equipment to ensure compliance with drawings or standard requirements.

3. Performance test: Through trial operation of the equipment, its cutting speed, accuracy, cut surface smoothness and other performances are tested, and compared with standard values.

4. Electrical testing: Check whether the electrical part of the equipment meets safety standards and whether there are hidden dangers such as leakage and short circuit.

A photovoltaic glass factory of the applicant signed a "0.3mm ultra-thin glass cutting line purchase contract" with an equipment manufacturer of the respondent, and it was agreed that the chipping width should be ≤0.03mm. After being put into production, the edge chipping reached 0.12mm. The manufacturer argued that it was caused by uneven stress in the original glass.

identification analysis results:

The quality analysis expert group discussed and comprehensively analyzed the relevant information, contract technical agreement, on-site inspection case materials and other data of the "Glass Circular Sawing Machine" and made a decision The following quality analysis opinions:

The radial runout of the main shaft of the glass circular saw blade involved in the case was 0.08mm (agreement ≤ 0.05mm), the diamond particle shedding rate was 15% (agreement ≤ 5%); the coolant flow rate was only 70% of the agreement value, and the accumulation of cutting heat caused the expansion of microcracks in the glass.

The appraisal conclusion determined that the mechanical accuracy of the equipment and defects in the cooling system were the main reasons for the excessive chipping.

Glass circular sawing machine quality appraisal report should include:

1, appraisal purpose (such as processing defect attribution, performance verification) and reference standards;

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

3, detection method and equipment clearance Single (such as laser interferometer, SEM);

4, detection data and failure correlation analysis (such as the impact of spindle beating on edge chipping);