Hydraulic press quality appraisal

Hydraulic press is a machine that uses liquid as the working medium and is used to transfer energy to achieve various processes. Machinery that uses hydrostatic pressure to process metal, plastic, rubber, wood, powder and other products. It is often used in pressing processes and press forming processes, such as: forging, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, press-fitting, etc. Its principle is to use Pascal's law to make use of liquid pressure transmission machinery, there are many types. Of course, the uses are also diverse according to needs.

Zhongke Testing provides hydraulic press quality appraisal services.

Hydraulic press quality appraisal can be analyzed from the following aspects:
1. Action accuracy: The action accuracy of a hydraulic press includes position accuracy and repetition accuracy. Position accuracy refers to the deviation between a hydraulic cylinder's moved position and its intended position, while repeatability refers to the cylinder's ability to return to the same position over multiple runs.
2. Action speed: The action speed of the hydraulic press depends on the oil supply capacity of the hydraulic pump and the system design. For specific applications, it is necessary to ensure that the operating speed of the hydraulic press meets the requirements.
3. Bearing capacity: The bearing capacity of a hydraulic press refers to the maximum force it can exert. When designing and using a hydraulic press, the weight of the workpiece and the required processing force need to be considered.
4. Durability and reliability: The durability and reliability of a hydraulic press are key indicators for evaluating its quality. This includes aspects such as service life, operational stability and failure rate.
5. Safety: Hydraulic presses must comply with relevant safety standards and regulations during operation, including emergency stop devices, protective covers, safety switches, etc. Since the quality appraisal of
hydraulic press requires comprehensive consideration of all factors, in practical applications, customized analysis needs to be carried out according to specific circumstances.

GB/T 26484-2011 Hydraulic press noise limit
GB 28241-2012 Hydraulic press safety technical requirements
GB/T 35092-2018 Method for measuring static load deformation of hydraulic press
GB/T 36486-2018 CNC hydraulic press
GB/T 42596.3-2023 Machine Tool Safety Press Part 3: Hydraulic Press Safety Requirements
GB/T 9166-2009 Four-column hydraulic press Precision
JB/T 3818-2014 Hydraulic press technical conditions
JB/T 14121-2021 Cylinder-operated rapid forging hydraulic press
JB/T 1808-2005 Electrode extrusion hydraulic press
etc.
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