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Vulnerable Components and Causes of Damage in a Four-Roll Plate Bending Machine

Oct.08.2026

Electric Motor: The primary cause of damage is motor burnout.

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Reducer: As a core transmission component, improper use can lead to abnormal noise and excessive strain, making it prone to damage.

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Composite Sleeve (Contact Sliding Bearing between the Lower Roller and the Fixed/Tilting Seat): Although made of high-wear-resistant copper alloy, the high frequency of contact during operation makes it susceptible to wear over time.

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Electrical Equipment (Control System): Composed of various electrical parts, it is generally highly susceptible to damage.

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Lead Screw, Worm Gear, Turbine Gear, Nut: As core transmission components, they experience high frequency of frictional contact and are prone to damage. Monthly disassembly and application of grease are necessary to reduce frictional wear.

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Bearings and Bearing Housings: Self-aligning bearings and spherical plain bearings are common wear parts.

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