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As a mature automatic heat exchanger machine tailored for heat exchanger manufacturing, this equipment specializes in tube expansion processing for internal copper pipes of heat exchangers, serving as core processing equipment for fin and copper tube assembly procedures. Relying on matched expanding rod for mechanical extrusion expansion, it precisely shapes copper tube inner diameter to enable seamless, tight bonding between copper tubes and cooling fins, effectively eliminating gaps that would impair heat exchange efficiency and product structural stability.
Differentiated from conventional single-side clamping expansion devices, the equipment is built around the mature structural design of CNC Horizontal Tube Expander, implementing dual-end clamping and positioning technique for all processed copper tubes before expansion starts. The dual-end fixed constraint restricts axial contraction of tube blanks under extrusion force, avoiding copper tube shrinkage deformation frequently seen in ordinary expansion equipment, cutting raw copper material wastage and lowering overall production cost for manufacturers.
Classified as a standard Horizontal Pipe Expander in industrial processing specification, its horizontal layout optimizes workpiece loading and unloading workflow, compatible with various specifications of heat exchanger copper tubes ranging from small refrigeration parts to large industrial heat exchange components. Stable horizontal running posture reduces equipment vibration during high-speed expansion, guarantees consistent expansion precision across batches of workpieces, supporting continuous mass production for HVAC, refrigeration and new energy heat exchanger factories.
| ITEM | DATA | NOTE |
| workpiece length | 2,2.5,3,3.5,4 mtr | |
| Fast forward (expansion) | 4m/min. | adjustable |
| Slow forward(second flaring& flanging) | 0.4m/min. | adjustable |
| Return origin | 5m/min. | adjustable |
| Gas pressure | 0.5-0.8 Mpa | |
| Total power of equipment | 10-18 KW |
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