PHJ ZHJ Light Duty H Beam Assembly Weld Straighten Integral Machine
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PHJ ZHJ Light Duty H Beam Assembly Weld Straighten Integral Machine

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From this segment we discuss the product from the view point other than standard models.

 

In some countries (Such as South Asia) some customers call H Beam as “I Beam”. So, this product family has the alternative name of I Beam Assembly Weld Straighten Integral machine, or I Beam Fabrication machine.

1. Origin and Use of I Beam Assembly Welding Straighten Integral machine:

  1) This productreplaces traditional H Beam production line of three individual machines (H Beam Assembly+ 

     Welding+ Straightening machine) in making small and medium size welding H Beam (For Max. Weld-toe size of

    single pass less than 12mm) since 2009. This is the reason we give the product name as Light duty H Beam 

    Assembly Weld Straighten Integral machine, or Light duty H Beam Fabrication machine;

  2) In other words, for customers whose niche products are light duty and medium duty welding H Beam, this

    series of Light duty H Beam Assembly Weld Straighten machine is the best choice, considering nearly all factors

    covering investment, facility, operator, productivity, running cost, quality, security;

  3) This is the reason that by 2021, light duty H Beam Assembly Welding Straighten machine has taken over 30%

     welding H Beam output, and witness very rapid growth in steel structure industry. It has very prosperous 

    prospect in market share.

  2. Selection on proper model of I Beam Assembly Weld Straighten machine:

  1) For producing heavy-duty welding H Beam, (Which means, web thickness above 25~30mm, and welding seam

      height higher than 12mm), the conventional H Beam production line or individual machines is still the only 

      choice;

 2) The reason is, the traditional H Beam SAW machine (Gantry structure LHA, or T structure LHT, or Column

     structure LHC) can perform several rounds of welding back and forth along the H Beam (Usually 2~3 times can

     meet the demand);

 3) While PHJ-series and or ZHJ-series I Beam Assembly Welding Straighten machine is usually perform single pass

     of SAW welding, with max. welding seam height of 12mm;

 4) For producing welding H Beam of welding seam height 12mm and less, the Light duty H Beam Assembly 

     Welding Straighten Integral machine is the ideal choice;

 5) Since there are several models of Light duty H Beam Fabrication machine to choose from, for selecting proper 

    model, 2 factors should be considered: First is structure and size of workpiece (Welding H Beam) that is to be 

    produced; The other is prospective productivity;

 6) If web is joint centered with respective to flange, both PHJ and ZHJ I Beam Fabrication machine can be selected;

    If there are some H Beam of which web is not centered against flange, PHJ Light duty H Beam Assembly Weld

    Straighten Integral machine is the only proper solution. Please check attached picture;

 7) Last but not least, pay attention to relationship between flange thickness and width produced with PHJ-series 

    and PHJ-series Light duty I Beam Fabrication machine:

   Thickness of flange that can be straightened see below table(tensile strength σb≈400MPa):

Flange thickness T(mm)

6~20

20~25

25~32

32~40

Flange width B(mm)

200~800

450~800

600~800

700~800

 

Below are specifications of PHJ-series and PHJ-series Light duty H Beam Assembly Weld Straighten Integral machine:

Technical parameter

PHJ15

PHJ18

PHJ20

ZHJ8015

ZHJ8018

ZHJ8020

Web height

200∼1500mm

200∼1800mm

200∼2000mm

200∼1500mm

200∼1800mm

200∼2000mm

Web thickness

5∼30mm

6∼32 mm

Flange width

200∼800mm

150∼750mm

Flange thickness

6∼40 mm

Work-piece length

3000∼15000mm

Single Pass Welding Seam Height

8~12mm

Welding Speed

(Assembly, Straighten same)

200∼1200mm/min.(VFD)

 Machine   size(L×W×H)

28m×4m×4.6m

28m×4m×4.9m

28m×4m×5.1m

28m×4m×4.2m

28m×4m×4.5m

28m×4m×4.8m

 


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