Pressure & Energy
Ensure that the hydraulic press has sufficient pressure output to meet the deformation resistance requirements of metal materials during cold forging. At the same time, consider whether the energy of the hydraulic cold forging press can meet your processing needs.
Rigidity and Stability
The load is relatively concentrated in the cold forging process, which requires the press to have good rigidity to reduce deformation and ensure machining accuracy. The equipment should remain stable and reliable during work.
Guide
A good guide helps to improve the accuracy of cold forgings and strengthen the guiding performance of equipment and dies.
Ejection Device
There is usually a large adhesion between the cold forging and the die, and it is necessary to equip a device with sufficient ejection force, which is generally about 10% of the nominal pressure.
Overload safety device: It may be easy to overload during cold forging, especially for mechanical presses with fixed strokes, and reliable overload safety devices should be required to prevent equipment damage.
Extrusion speed: According to the processing materials and process requirements, choose a hydraulic press with appropriate extrusion speed. After the upper die comes into contact with the metal blank, the forging speed should be uniform, generally 0.1-0.4m/s.
Precision Control
If you have high requirements for the dimensional accuracy and shape accuracy of cold forgings, you need to pay attention to the accuracy control ability of the hydraulic press.
Working Table Size and Stroke
The size of the working table should be able to meet the installation requirements of the mold, and the slider stroke should meet the size and shape requirements of the processed parts.
Equipment Size and Space Requirements
Consider whether the form factor of the hydraulic cold forging press is appropriate for your workspace, as well as the space required for installation and operation.
Degree of Automation
According to the production needs, determine whether the hydraulic press needs to have certain automation functions, such as connection with other equipment, automatic feeding, etc.
Brand and quality: choose well-known brands and reliable quality manufacturers, so that the performance, stability and after-sales service of the equipment are more guaranteed.
Maintenance
Understand the maintenance requirements and costs of the equipment, including the replacement of hydraulic oil, the replacement of seals, etc.
Cost Budget
On the premise of meeting the demand, combined with your own cost budget, choose cost-effective equipment.
Characteristics and batch size of the machined part: Consider the shape, size, weight range of the cold forging to be machined, as well as the batch size. For example, for small and medium-sized parts with large batch sizes, a mechanical press with a fixed stroke may be more suitable. For medium and large annular forgings, hydraulic presses with unfixed strokes may be more suitable. Transfer cold forging presses are suitable for situations where multi-station machining is required and high productivity is required.
Before choosing, if possible, you can visit a hydraulic press machine factory. You can also fully communicate with the hydraulic cold forging press manufacturer to explain your processing needs in detail, so that they can provide suggestions and solutions that are more in line with your requirements.
- Hydraulic Cold Forging Press
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