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What Are Plate Straightening Machines?

Even with the use of the latest technology, flat defects and internal stresses cannot be avoided during the manufacturing process of quenched and tempered plates. Therefore, it is necessary to use a plate straightening machine after heat treatment while reducing internal stress.



Understanding plate straightening machines


Plate straightening machines are usually used for straightening thin and heavy gauge materials. They typically have separate roll controls (position/force) and separate roll drives. Through closed-loop positioning control, it allows for recipe setups for running production machines in normal plate.


Plate straightening machines are most commonly used for flatness correction on thin or heavy gauge materials. Typically, they have separate roll drives and separate roll controls. Closed-loop positioning allows the straighten machine to set up recipes for running production machines in normal plate. Using a plate straightening machine, uniform correction can be maintained for the area where the front and back edges straighten with violent fluctuations, or a constant area can be achieved. They can also reduce any residual stress in the steel plate. This allows for the production of steel plates that do not deform after cutting. Typically, plate straightening machines are equipped with block hydraulic adjustment systems, or devices for separately adjusting the upper and lower straightening rolls.



Choosing the straighten machine


The demand for stronger and stronger plates will continue to rise in the coming years. When choosing the right straighten machine for the job, some important factors need to be considered. These include roll diameter, roll gap, and number of work rolls. The work rolls can also be backed up to achieve more precise flatness and zone control. The closer the roll gap, the smaller the straightening roll diameter, the better the effect; depending on material thickness and throughput. Straighten machines are superior to leveling machines, as they remove not only crossbows or coil sets.


High-speed manufacturing, such as stamping, burning, and shearing, relies on flat materials to increase yield and prevent machine damage. Therefore, many manufacturers have very strict quality requirements for their suppliers. Flattening materials is all about the difference between "elastic" and "plastic" deformation. Materials that undergo elastic deformation will spring back to their original shape, while plastic deformation means the material is permanently bent. Therefore, the goal of straightening machines is to plastic bend the material and restore it to a completely flat shape.


The customization capability of straightening materials is based on the machine's roll configuration. Specifically, the work rolls of the straighten machine bend the material within its radius range, so the machine can flatten the material. The straightening machine's roll diameter, roll center, and roll penetration depth primarily determine the machine's capability. Depending on the material thickness, width, and yield strength to be processed, several standard types of straighten machines can provide help.

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