What is the different between Great wall type and Independent Stand Roll in Roll forming machine?

Structural features

• Independently fast-replaceable roll stand: Composed of multiple independent units that can be separately disassembled and replaced. These units are independent and combined by specific connection methods. The structure is relatively flexible, and the shape and size of each unit can be adjusted according to production requirements.
• Great Wall-type roll stand: It has a continuous, integral structure like the Great Wall’s city wall, consisting of a series of interconnected wall panels or frames, providing better stability and support.

Replacement convenience

• Independently fast – replaceable roll stand: As the name suggests, it can be replaced quickly. When a unit fails or different – specification molds need to be replaced, just remove the corresponding unit and replace it, saving replacement time and improving maintenance efficiency and production flexibility.
• Great – Wall – style roll stand: Replacement is relatively complicated due to its integral structure. When a problem occurs in a certain part, a large – scale disassembly and reinstallation may be required for repair or mold replacement, consuming more time and labor.

Application range

• Independently fast-replaceable roll stand: Suitable for production scenarios requiring frequent replacement of product specifications or molds, such as producing various types of cold-Roll Forming steel sections.
• Great – Wall – style roll stand: More suitable for producing a single specification or relatively stable products with large-batch production and small specification changes.

Production efficiency

• Independently fast-replaceable roll stand: Significantly reduces equipment downtime during mold replacement or specification adjustment, improving overall production efficiency, especially in small-batch and multi-variety production.
• Great – Wall – Wall-style roll stand: Although slower in mold replacement, its continuous structure ensures production continuity and stability during stable production, reducing production interruptions caused by structural loosening.

Mold precision

• Independently fast-replaceable roll stand: There may be cumulative errors in mold installation and positioning due to independent units, affecting high – precision product production, but the errors can be controlled within an acceptable range through precise manufacturing and installation.
• Great – Wall – style roll stand: The integral structure enables more stable and precise mold installation and positioning, beneficial for producing cold – bent steel sections with higher dimensional accuracy and quality.

Equipment cost

• Independently fast-replaceable roll stand: Higher manufacturing cost due to complex structure, more parts, and precise manufacturing processes. Also, more maintenance and management difficulties.
• Great – Wall – style roll stand: Lower manufacturing cost with a simple structure, fewer parts, and reduced manufacturing and assembly difficulties and maintenance costs.