Band saw quality appraisal

band saw machine is a saw machine that uses a band saw blade to cut materials. It is different from traditional circular saws in that its cutting method is linear and uses a continuous belt saw blade, which is more efficient than circular saws. The
band saw machine has the characteristics of high efficiency, high precision, and is very suitable for large-volume, high-intensity processing, and has been widely used in various industries. Among them, the woodworking industry is one of the main application areas of band sawing machines. For example, furniture manufacturing, floor processing, panel processing, etc. Band saws play an irreplaceable role in these fields and can cut, process, and manufacture wood quickly and accurately.
In the case of band saw machine quality appraisal, Zhongke Testing can provide band saw machine quality appraisal services.

1, according to the structure, it is divided into horizontal band sawing machine and vertical band sawing machine. The horizontal type is divided into scissor type, double column and single column type band sawing machine; the vertical type can be divided into pulley and sliding table band sawing machine;
2, according to the operation, it is divided into manual type sawing machine, mechanical fully automatic sawing machine (currently basically eliminated), CNC fully automatic sawing machine (mainstream).
3. According to the degree of automation of the controller, it can be divided into manual type, semi-automatic type and fully automatic type. The automatic type is further divided into PLC logic control (CNC) and travel switch type control.
4, according to the cutting angle requirements, it is divided into angle sawing machines (can cut angles of 0~60 degrees) without angle, that is, 90-degree vertical cutting.

JB/T 12991-2018 Machine tool electrical equipment and systems Metal band sawing machine energy efficiency level and evaluation method
JB/T 13083-2017 High-speed CNC vertical band sawing machine
JB/T 9930-2013 Vertical band sawing machine
JB/T 4318-2013 Horizontal band saw machine

The buyer's company claimed that it signed a "Sales Contract" with the supplier on a certain date, agreeing that it would purchase a vertical band saw machine from the supplier, and also agreed on quality standards. After the contract was signed, it paid the advance payment in accordance with the contract, but the supplier failed to deliver products that met the quality standards as agreed.
The buyer sued the court on the grounds that the supplier had failed to deliver the equipment so far. Because the two parties had a dispute over whether the vertical band saw machine produced by the defendant met the technical parameter requirements stipulated in the contract, the buyer's company requested an appraisal of the quality of the equipment involved.
was entrusted by the court to conduct an appraisal and analysis on "whether there are quality problems" with the band saw machine involved.
appraisal analysis results:
appraisal experts observed and recorded the operational stability of the equipment involved on site. Randomly sample each workpiece after processing, and seal the above samples and send them to the testing department for testing. After comprehensive technical analysis, the following suggestions and conclusions are made:
1, the sawing capacity, maximum cutting length, and left inclination angle of the saw blade of the band sawing machine involved in the case meet the relevant requirements in the "G5330G-250 Technical Parameters";
2, the band sawing machine involved in the case is in cutting 200mm thick aluminum, When the sawing speed is 0.06m/min, normal sawing is no longer possible. The sawing speed does not meet the requirements for sawing speed ≥ 0.5m/min in the "G5330G-250 Technical Parameters"; the no-load and load noise do not meet the requirements for equipment operating noise ≤ 75DB (A) in the "G5330G-250 Technical Parameters".
3. The band saw machine involved in the case has no safety warning signs and the saw blade drive belt pulley has no protective measures. It does not comply with national mandatory regulations. When the machine is running, it may cause personal injury and pose safety risks.