Grass cutter quality appraisal

mower uses high-speed rotating blades to cut crops into pieces. After the grass enters through the feeding port, it is cut and crushed by the action of the cutterhead and cutting blade, and finally discharged through the discharge port. During the cutting process, it is necessary to maintain appropriate feeding speed and blade rotation speed to ensure cutting effect and safe use of the machine.
haymaker is one of the indispensable mechanical equipment in modern agricultural production. It has a wide range of uses. It can be used to cut various forages such as paddy straw, rice straw, wild grass, wheat straw, and corn straw. It is used for feeding cattle, horses, sheep, pigs and other livestock forage and retting, and returning straw to the fields.
In the case of mower quality appraisal, Zhongke Testing can provide mower quality appraisal services.

mowers are divided into two types: motor and diesel engine trailers.

GB 7681-2008 Agricultural and forestry tractors and machinery Safety technical requirements Part 1: General principles
GB 7681-2008 Mowers Safety technical requirements
NY/T 3209-2018 Mowers Safety injury regulations
NY/T 3530-2019 Technical conditions for scrapping mowers
JB/T 9707-2013 Mowers
JB/T 7288-2006 Types and basic parameters of mowers
JB/T 11439-2013 Reliability assessment methods for mowers
JB/T 5171-2006 Mower blade

The plaintiff purchased a mower from the defendant's company. When using the mower, the machine's hood broke apart, hit the wall, and rebounded onto the plaintiff's head, causing the plaintiff to be injured. The plaintiff went to court to request the defendant to compensate for his medical expenses, etc.
was entrusted by the court to conduct an appraisal and analysis on "whether there are quality problems" with the mower involved in the case.
appraisal analysis results:
appraisal analysis expert group discussed the relevant information and on-site investigation of the mower involved in the case and conducted a comprehensive quality and technical analysis, and made the following suggestions and conclusions:
the mower involved in the case There are quality problems in the welding of the base and the connecting vertical plate; the nuts of the bolts used to connect the mower base and the upper hood of the mower involved in the case
are not designed to prevent loosening, and only ordinary strong nuts are used; the mower involved in the case
does not have an overload braking protection device.