Jingda Machine (Ningbo) Co., Ltd. (JDM)
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  • Contact Person : Ms. Zhang Crystal
  • Company Name : Jingda Machine (Ningbo) Co., Ltd. (JDM)
  • Tel : 86-574-87562566
  • Fax : 86-574-87562586
  • Address : Zhejiang,Ningbo,191 Changyang Road, Investing & Creating Park, Jiangbei District, Ningbo City, Zhejiang Province. China
  • Country/Region : China
  • Zip : 315033

Vertical Expander

Vertical Expander
Product Detailed
Related Categories:Other Machinery
It is special equipment for expanding heat exchanging fins. It will finish expanding, flaring and folding edge in one cycle

Vertical expanding machine is special equipment for expanding heat exchange tubes and the cooling fins of the finned heat exchangers.

The pressure oil is the motivity of this machine. By mechanism, it will finish expanding, flaring and edge folding in one cycle. After expanded, the diameter of the heat exchange tube is bigger than that of the fins, which joined by expanding very tightly to improve the heat exchanger efficiency. By flaring, the small elbows could be put into the mouth of the pipe to position. Edge folding is used to accumulate the solder for the welding junction. 

GeneralExpander                                  

Main technical parameter

Mode

YZL-vertical expander

specification

diameter,mm

7,7.94,9.52

thickness,mm

12.7,19.05,21.65,22

length,mm

220~1000/1200/1600/2000/2500

rows

1~5

Max Holes/row(distance between holes 25mm)

61

speed

fast,m/min

>4

slow,m/min

>0.7

Power of pump motor,kw

11/15

Cylinder diameter,mm

160/180/200

Hydraulic oil

ISOVG32(winter)/ISOVG46(summer)

Lubricating oil

Machine oil ISOVG22-32

Note: The technical parameter according to the contract

 

Vertical Expander



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