Quality appraisal of cone crusher

cone crusher is a common crushing equipment, mainly used for medium and fine crushing operations in mining, building materials, metallurgy and other industries. This equipment mainly crushes materials through the rotation of the cone and the friction with the wall of the crushing chamber. Compared with traditional crushers, cone crushers have the advantages of high crushing efficiency and low maintenance costs.

cone crusher is widely used in mining, building materials, metallurgy and other industries, and has broad application prospects in coal, ore, iron ore, non-metallic minerals, etc. In addition, cone crushers are also widely used in construction, highways, hydropower projects and other fields. In industrial production, the application of cone crushers can effectively improve production efficiency and reduce machine maintenance costs.
Zhongke Testing and Appraisal Institute can provide cone crusher quality appraisal services and make accurate appraisals in terms of product design analysis, load analysis and product quality analysis.

1, classified according to the way of maintaining crushing force: there are two types: spring type and hydraulic type. The hydraulic type is divided into multi-cylinder type and bottom single-cylinder type.
2, classified according to the motion support structure: there are three types: sliding bearing type, rolling bearing type and hybrid type.
3, classified according to body rotation speed: there are three types: low speed, medium speed and high speed.
4, classified according to the structure of the spindle: there are two types: fixed spindle and rotating spindle.

JB/T 14339-2021 Powerful multi-cylinder hydraulic cone crusher
JB/T 14324-2021 Moving shaft multi-cylinder hydraulic cone crusher
JB/T 10883-2019 Fixed shaft multi-cylinder hydraulic cone crusher
JB/T 13443-2018 Deep cavity cone crusher
JB/T 2501-2017 Single-cylinder hydraulic cone crusher
JB/T 6988-2015 Spring cone crusher
JB/T 6989-2015 Rotary cone crusher
JB/T 11295-2012 Powerful cone crusher

A building materials company signed a cone crusher purchase contract with a mechanical equipment factory. After receiving the cone crusher, the building materials company discovered that the cone crusher had serious quality problems during use, such as speeding, oil leakage, etc., which seriously affected production. The building materials company took the dispute to the local court.
Our company was entrusted by the court to evaluate whether the cone crusher involved in this case meets the technical requirements of the custom-made contract.
appraisal analysis results:
The quality analysis expert group discussed and comprehensively technical analyzed the relevant information, on-site investigation and inspection data of the "cone crusher" involved in the case, and made the following quality analysis opinions:
The O-ring seal between the transmission shaft frame and the main frame of the "cone crusher" involved in the case, the nylon sealing ring between the oil collector and the oil slinger, and the O-ring seal between the oil slinger and the transmission shaft were worn, leading to oil leakage.
The fuel pump, oil nozzle and other components of the "cone crusher" involved in the case failed, resulting in insufficient fuel supply and causing the engine to suddenly stall.