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TIANSHUI METALFORMING MACHINE TOOL (GROUP) CO., LTD.

Expanding Head, Expander Head, Mechanical Expander Head manufacturer / supplier in China, offering Expander Head, Shear Blade for Cutting S304 S316L S406 Stainless Steel, Guillotine Shear Blade/Cutting Blade/Cutting Knife and so on.

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Expander Head

FOB Price: US $35,000-78,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $35,000-78,000/ Piece
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Port: Shanghai, China
Production Capacity: 5 Piece/Month
Payment Terms: L/C, T/T

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Product Catalog
Catalogue of TSD sheet metal machinery
49 Products
Content
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Product Name
FOB Price
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Basic Info
  • Model NO.: Diameter 508mm (20")--1422mm (56")
  • Wall Thickness: 8--32mm (X70 Steel Grade)
  • Expanding Rate: 0.8--1.5 Percentage
  • Dia.Tolerance Below Dia.610mm: Plus and Minus 0.5mm
  • Straightness: Less Than 0.2 Percentage
  • Standard: API 5L or Newest Edition
  • Transport Package: Iron Case
  • Origin: Gansu, China
  • Pipe Diameter: 508mm (20")--1422mm (56")
  • Pipe Length: 8000-12200mm
  • Optimum Expanding Rate: 1--1.12 Percentage
  • Dia.Tolerance Above Dia.610mm: Plus and Minus 1.6mm
  • Average Efficiency: 8 Pieces Per Hour
  • Trademark: TSD
  • Specification: Diameter 406mm (16")--1524mm (60")
  • HS Code: 8466100000
Product Description
Expander Head
Expander Head
Scheme table of expanding-staff, expanding-head, expanding-die (For option)

 

Expanding head

Expanding Pipe range
Matched DiesRemarks
Inch 
Die type
Wall thickness (mm)
1#
1# Expanding head
20"Φ50820"
20"Thin die
8~15Φ440
Φ440 draw bar
20"
20"Thick die
12~18
22"Φ558.822"
22"Die
8~15
22"
22"Die
12~19
24"Φ609.624"
24"Thin Die
8~15
24"
24"Thick die
14~21
 
2#
2# Expanding head
 
26"Φ660.426"
26"Thin die
8~17Φ560
 
26"
26"Thick die
16~25.4
28"Φ711.228"
28"Thin die
8~17
28"
28"Thick die
16~25.4
30"Φ76230"
30"Thin die
8~17
30"
30"Thick die
16~25.4
 
3#
3# Expanding head
 
32"Φ812.832"
32"Thin die
8~18Φ690
Φ690 draw bar
32"
32"Thick die
18-28
34"Φ863.634"
34"Thin die
8~18
34"
34"Thick die
18-28
36"Φ914.436"
36"Thin die
8~18
36"
36"Thick die
18-28
 
4#
4# Expanding head
 
38"Φ965.238"
38"Thin die
8~25.4Φ690
Φ690 draw bar
 
38"
38"Thick die
22-32
40"Φ101640"
40"Thin die
8~25.4
40"
40"Thick die
22-32
42"Φ1066.842"
42"Thin die
8~25.4
42"
42"Thick die
22-32
44"Φ1117.644"
44"Thin die
8~25.4
44"
44"Thick die
22-32
46"Φ1168.446"
46"Thin die
8~25.4
46"
46"Thick die
22-32
5#
5# Expanding head
 
48"Φ1219.248"
48"Thin die
8~25.4
48"
48"Thick die
22-32
52"Φ1320.852"
52"Thin die
8~25.4Φ690
Φ690 draw bar
52"
52"Thick die
22-32
54"Φ1371.654"
54"Thin die
8~25.4
54"
54"Thick die
22-32
56"Φ1422.456"
56"Thin die
8~25.4
56"
56"Thick die
22-32
 
 The expander head is held in position by means of a long, tubular support from the expander cylinder to allow a pipe length to slide over it.
The operating principle of the expander heads is to pull a multi-faced wedge, the cone, by means of the drawbar into a set of circumferentially arranged expander jaws. The jaws move radially outward, expanding the pipe. This method assures that the pipe is forced outwardly in a uniform fashion regardless of any differences present in the pipe material. The final diametrical size of the expanding dies is determined by the penetration of the cone. The position control assembly controls the depth of penetration. 

This tubular support is called a "horn". The horn serves as a reaction member to the drawbar pull necessary to pull the cones into the expanding dies. The drawbar is a tension member, which connects the power cylinder with the cone. The high forces created by the power cylinder are transmitted through the drawbar to the cone in the head. To collapse the expander dies, the power cylinder reverses direction, and the drawbar then becomes a compression member, the horn, a tension member.
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