This vertical tube expander is specially designed for heat exchanger coil production. It can expand copper tubes, enlarge tube ends and flare tube ends in one cycle, to make copper tubes and aluminum fins join tightly for higher heating exchange efficiency.
The machine adopts centralized compulsive lubricating system for whole equipment lubrication.
Main Technical Data of Vertical Tube Expander
Item
Data
Suitable copper tube OD
1/2” (customized)
Suitable copper tube wall thickness
0.5mm
Suitable copper tube rows (max.)
6 (customized)
Tube numbers in each row (max.)
10 (customized)
Hole pitch
As per drawing
Row pitch
As per drawing
Length of copper tube
200~2100mm (customized)
Parallelism error between header plates
Less than 0.1% of coil width
Coil surface error
Less than 1mm
Coil length error
Less than 0.1% of coil length
Concentricity error between expanding & flaring
≤Φ0.2mm
Max.hydraulic force for expanding
30Tons
Tact time
30 seconds/cycle
Quick-down speed (tube expanding)
6.71m/min
Slow-down speed (secondary flaring)
1.1m/min
Quick-up speed
9.81m/min
For large-size heat exchanger coil production, horizontal tube expanders will be used:
For small-capacity workshops, portable tube expanders will be a good option:
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