Structure and Working Principle
drive system
Hydraulic/mechanical hybrid driveBy providing high pressure through a hydraulic system (such as the hydraulic pipe expander mentioned in webpage 1), combined with mechanical transmission (gears, screws, etc.) to achieve precise diameter expansion control, it is suitable for processing large diameter pipes.
pneumatic driveUsing a cylinder as the core power source, the clamping and expansion actions are completed by pushing the fixture or expanding punch through the cylinder, which is suitable for efficient processing of small and medium-sized pipes.
Automation control module
Feeding and positioning systemAdopting a gravity automatic loading and unloading or feeding tray+sliding plate structure, combined with an ejector cylinder to achieve continuous feeding; Positioning is ensured through fixed blocks and sensors (such as photoelectric switches) to ensure accurate positioning of the pipe.
Motion ControlIntegrate PLC or servo system to control the expansion speed, pressure, and stroke. Some equipment supports bidirectional expansion to improve processing efficiency.
Core expansion component
Expansion mold and rollerUsing replaceable molds or inclined rollers, the uniform expansion of the pipe is achieved through the rotation and axial movement of the core rod.
clamping mechanismFix the pipe material with a pressing cylinder or robotic arm to prevent displacement during the processing
Application scenarios
automobile manufacturingUsed for processing components such as exhaust pipes and fuel pipes, high-precision pipe expansion equipment is required.
petrochemicalExpand the diameter of large-diameter pipelines to meet the connection requirements of high-pressure pipelines.
home appliance industryAir conditioning copper pipe expansion, relying on pneumatic driven rapid expansion machine.
aerospaceProcessing titanium alloy pipe fittings requires high-temperature resistant and high-strength expansion equipment.