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FAQ FRO ANGLE STRAIGHTENING MACHINE

  • Q What is Relationship between H Beam Assembly Machine and H Beam 3 in 1 Assembly Welding Straightening Machine?

    A
    1. 1) H Beam 3 in 1 Assembly Welding Straightening Machine was developed on the basis of H Beam Assembly Machine, getting clue and inspiration from its structure and working theory;
    2. 2) Especially Assembling step, the first and fundamental step during the whole H Beam fabrication, the 2 types of machines have identical structure and running principle;
    3. 3) The SAW welding and straightening working cells are arranged right following assembly cell, completing task of T/ H Beam fabrication with single set of equipment: H Beam 3 in 1 Assembly Welding Straightening Machine;
    4. 4) Similar Appearance: For this reason, H Beam Assembly Machine and H Beam 3 in 1 Assembly Welding Straightening Machine have very similar appearance;
    5. 5) The major difference is, H Beam 3 in 1 Assembly Welding Straightening Machine has “thicker” depth, or larger size of central working unit, accommodating more function units of total 3.

  • Q What is Function and Suitable Working Parts of Sheet Metal Plate Butt Joint Welding Machine?

    A
    1. 1) Function: The MP series plate Butt Joint Welding Machine is for completing flat joining any 2 pieces of sheet metal plates into a longer and larger piece. The finished joint piece is an integral plate, with higher material strength than base metals;
    2. 2) Suitable Working Parts: Any common used material of sheet metal in manufacturing industry, especially carbon steel.

  • Q What are Applicable Workpieces Specifications for Sheet Metal Steel Plate Butt Joint Welding Machine?

    A
    1. 1) Butt Welding Seam: Up to 5,000mm length, from min. 300mm in conventional model, and 145mm with special design;
    2. 2) Plate Length: This depends on customer requirement. For example: 15m length before butt welding, and 30m length after joint;
    3. 3) Plate Thickness: From 3mm to 40mm. When thickness equals to 15mm and above, beveling step is necessary；
    4. 4) Plate Material: Carbon steel, stainless steel, Alloy

  • Q What is the most Superior Technical Point of Wuxi JACK Sheet Metal Plate Butt Joint Welding Machine?

    A Wuxi JACK exclusively owned patent technology on melt-thru welding:
    1. 1) Meaning: This refers to “Single side welding, and double sides welding seam formation”. Which means, the original joint welding which need to be implemented 2 times, at both sides of steel plates, can be reduced to only one time single side welding;
    2. 2) Huge Benefits: This technology not only reduced over 50% manufacturing cost of original plate flat joining before using the Plate Butt Joint Welding Machine, but also improves and fully guarantees superior quality of the Flat Butt Welding Machine.

  • Q Which Function Units are equipped in Wuxi JACK Sheet Metal Steel Plate Butt Joint Welding Machine?

    A One set of Wuxi JACK MP series steel plate Flat Butt Welder machine includes below 5 major function cells:
    1. 1) Mechanical main frame: Fixed double sides acting gantry beam/ overhead platform/ Individual welding table;
    2. 2) Melt-thru welding unit: Welding torch/ welding power supply and control consoles/ welding supplementary elements;
    3. 3) Beveling unit: Oxygen fuel flame triple cutting unit, including thermal gas conduits and regulating panel;
    4. 4) Input and output conveyors;
    5. 5) Controlling and assistant systems: Electric/ Hydraulic system / Cooling water circulating system/ pneumatic system.


  • Q What does Product Name “Steel Plate Flat Butt Welding Machine” Refer to? And Its Usage for Customers?

    A
    1. 1) Because 2 pieces of raw material: Sheet metal, will be joint into an integral larger and longer piece, in the form of “butt welding” in 180° connection flat position. This is machine name implies;
    2. 2) Benefitting from this challenging task, customers can acquire larger size of sheet metal, from smaller ones;
    3. 3) Majority conditions, customers want to get longer sheet metal from shorter pieces.

  • Q Which Specifications of Sheet Metals can be Joint in Steel Plate Joint Welding Machine?

    A
    1. 1) As its name suggests, most majority of sheet metal for joint are steel plates, especially carbon steel;
    2. 2) The applicable thickness of these steel plates is from 6mm to 40mm;
    3. 3) In theory, any width range of sheet metal can be joint in Steel Plate Butt Joining Machine;
    4. 4) In practical application, sheet metal Plate Joint Welding Machine are divided based on its max. workpiece width: From MP20 (Max. width 2000mm) to MP50.
     

  • Q What are Technical Superiorities of Wuxi JACK Steel Plate Butt Joining Welding Machine?

    A
    1. 1) Patent Technology Melt-Thru: This means only Wuxi JACK has capability to deliver stable and high standard butt welding performance for customers. “Butt welding” means one side welding on the 2 pieces of joint steel plate, and welding seam will be formed in strong intensity with fully penetration;
    2. 2) Multi-Functional Arrangement: For workpiece thickness from 15mm to 40mm, 0°~ 45° angle Y shape groove should be beveled ahead of time before fully penetration welding. In Wuxi JACK machine, Oxygen fuel thermal triple cutting unit is equipped, thus helps customers saving investment on specific beveling equipment.

  • Q Why Investment on Wuxi JACK Steel Plate Butt Joining Welding Machine Can Bring Great Financial Benefit for Customers?

    A By introducing Wuxi JACK Flat Butt Welding Machine, customers can:
    1. 1) Reducing number of operators on plate joint job;
    2. 2) Remove potential safety risk on personnel and equipment;
    3. 3) Improve production efficiency 2.5 times;
    4. 4) Acquire consistent controllable plate butt joining effect


  • Q What are Technical Superiorities of Wuxi JACK CNC Pipe Cutting Machine?

    A Wuxi JACK is leading company in industry to provide various designs and models of CNC Pipe Cutting Machine for customers:
    1. 1) Control axis can be not only frequently adopted 3/ 5 Axis in industries, but also more challenging 6/ 7 Axis, which embodies technical strength of Wuxi JACK;
    2. 2) High efficiency and high precision of pipe cutting for clients;
    3. 3) Safe/ easy and convenient operation for running of CNC Pipe Cutting Machine;
    4. 4) Modular mechanical strength, control hardware and software, available for upgrade with technique advancement.
     

  • Q What is Applicable Pipe Sizes for Wuxi JACK CNC Pipe Cutting Machine?

    A Wuxi JACK delivered CNC Pipe Cutting Machine can cover full range of common seen pipes in manufacturing industries:
    1. 1) Pipe diameter from Φ80mm to Φ3000mm;
    2. 2) Pipe wall thickness from 1mm to 100mm;
    3. 3) Pipe length from several meters to 12 meters or longer.

  • Q What is Usage of Wuxi JACK CNC Pipe Cutting Machine?

    A Wuxi JACK CNC Pipe Cutting Machine is the most important 1st operation equipment for pipe processing, which is used for:
    1. 1) Cut off pipes into segments of required length;
    2. 2) The cut off edge of pipes can be either straight rim, or slant bevel;
    3. 3) Cut holes in longitudinal body of pipes, with cutting kerfs in both straight edge, and slant chamfer available.

  • Q What does “Open Mechanical Structure” refer to for I H-beam Welding Machine?

    A
    1. 1) This means: Workpieces (BOX I H Beams) are put onto external open section of mechanical main body of machine, thus “no restriction” on size (height) of workpieces, especially height;
    2. 2) In LHC model, H Beam is laid on hydraulic drive 60° Overturning Racks alongside the LHC moving trolley. This motorized moving trolley moves along the H Beam during SAW welding;
    3. 3) In LHT model, the 2 pieces of H Beams are laid on the 2 arrays of supporting racks, which are at external both lateral sides of machine;
    4. 4) Customer determine and select on which type of I H-beam Welding Machine is better for operation, depending on H Beam specifications / process technology design/ workshop layout plan/ budget level of customer facility.

  • Q What are Advantages of Open Frame I H-beam Gantry SAW Welding Machine?

    A
    1. 1) One Size fits for All: Because there is no confinement on placement of workpiece (BOX I H Beams) in open structure, so, size range of applicable workpieces has great extensive range than enclosed gantry frame types machines. In other words, when customer plan to produce new batch of H Beam, they do not need to fret over whether the current open structure I H-beam Welding Machine is applicable or not;
    2. 2) So, any sizes of H Beam, from the smallest web height 200mm, to the max. web height 2000mm, can be placed into LHC or LHT open frame machines;
    3. 3) Besides, other common seen steel structure workpieces, especially BOX Beam, can also be welded in open structure machines;
    4. 4) When customer plan to introduce new types of workpieces, say, long pipe/ post... the existing open structure machine can also be used without or with very few modifications on the existing machine.

  • Q What are Welding Mode and Operation in Open Structure H-beam Gantry SAW Welding Machine?

    A
    1. 1) Major Welding Mode: 45° fillet SAW welding is the No.1 choice to be implemented in all models of machine. And, among this, majority is with single arc SAW welding; When customer need higher welding velocity, or thickness of H Beam flange and web are larger than 60mm, tandem arc SAW should be used;
    2. 2) Promise Heavy Welding: The strongest point of sole purpose I H-beam Welding Machine is to get solid welding seam formation in fabricated BOX T I H Beams, which guarantees sufficient penetration depth/ broad cover face of formed welding seam on finished workpieces;
    3. 3) Mature Welding Technique: SAW and other types of welding is managed by means of professional welding power supply (Single/ twin/ tandem arc welding machines), together with system of assistant welding operation, including welding torch position detect and control, welding wire feeding and straining unit, etc.;
    4. 4) Welding velocity is managed with A.C. inverter, and displayed real time intuitively in digital meter of machine operating panel.

  • Q What are Supply Range of Various types of I H-beam Welding Machine, including LHA series Gantry Frame, LHC model Trolley Column, and LHT model Open Structure?

    A
    1. 1. This is a good question, that often neglect by customer and supplier company, and sometimes cause controversy. For example, in end of December 2025, when a Vietnam customer communicated with Wuxi JACK on LHA model H-beam Gantry SAW Welding Machine, we forgot to remind customer that, the 18m long parallel rails for gantry movement is not included supply range, because unlike rails of CNC Flame Plasma Cutting Machine, which need to be machined, for rails of I H-beam Welding Machine, the parallel rails do not need to be machined, do, it is not in scope of supply. This is common practice, but need to confirm with customer when making quotation;
    2. 2. Basically, supply scope of all types of I H-beam Welding Machine:
    1. 1) Mechanical main frame, including motor drive moving trolley for LHC, gantry frame for LHA, and T frame open structure for LHT;
    2. 2) SAW welding system, including different types of welding machines, welding torch mechanism, supplementary welding units, flux conveying and reuse machines;
    3. 3) Drive and transmission system on mechanical main frame;
    4. 4) Electric control system of machine;
    1. 3. Unless specifically designated by customer and negotiated accordingly, supply range of I H-beam Welding Machine do not include:
    1. 1) 2 arrays of triangular H Beam support rack;
    2. 2) Parallel rails for frame movement;
    3. 3) Cable overhang racks;
    But we provide drawing of these items for customer producing these items. The reason we do not provide these items is, it is easy to produce, but have large size and heavy weight, which will greatly increase logistic cost of I H-beam Welding Machine. To save freight charge on the machine for customers, we exclude these items from supply range of the machine.

  • Q How Many Operators are Necessary for Running on I H-beam Gantry Welding Machine?

    A This is another important question customer concerns during machine purchase analysis, and actually differs based on practical condition at customer site. the major factors affecting number of operators include:
    1. 1) Model and design of machine. For example, for LHA series H-beam Gantry SAW Welding Machine, there are 2 branches of: LHAC lateral operating type, which usually need 2 operators work on one machine; While one operator is sufficient for working on LHAZ middle operating type;
    2. 2) Quantity of machines on site: Especially for I H-beam Welding Machine, very often customer purchase more than one set of machine: For LHC model at automatic H-beam production line, usually 4 sets in a line; For LHA series gantry frame moving and LHT model open structure T frame I H-beam Gantry Welding Machine, one or two sets are installed in H Beam production workshop. Under ideal condition, one operator can take care on operation of 2 machines simultaneously, which can raise productivity;
    3. 3) Operator Proficiency: This is another controversy sometimes happened during business exploration. For example, also in end of December 2025, the Vietnam customer discussed with Wuxi JACK engineer on how many operator is necessary for operating on PHJ and ZHJ series 3 in 1 I H-beam Welding Machine. The Vietnam customer questioned on whether only one operator is capable of working on one set of the 3 in 1 machine, he told us that, in Vietnam factories, customer manager arrange on 2 operators to work on the machine: One as lead and one as main; On the other hand, from Wuxi JACK perspective, if operator is proficient, only one people is sufficient for managing on the 3 in 1 I H-beam Welding Machine.

  • Q Why Customers from Steel Structure and Other Manufacturing Industry need Pipe BOX H Beam End Face Milling Machine?

    A
    1. 1) After being fabricated into shape, these steel structure workpieces: H Beam/ BOX Beam/ Cross Beam/ Pipes... Have certain degree of foreign debris/ rust on it, which should be cleared away, for the ease of next step joint;
    2. 2) Besides, end face of these working parts should be machined into eligible level of roughness and gloss, for carrying out next step of process technology, such as Assembly/ Painting;
    3. 3) All these goals should be completed with end face milling operation, on these workpieces.

  • Q Which kinds of Workpieces can be end polished in Wuxi JACK Steel Structure Pipe BOX H Beam End Face Milling Machine?

    A
    1. 1) All kinds of welding steel structure members: H Beam/ BOX Beam/ Cross Beam/ Pipes/ Special shape parts...;
    2. 2) The sizes of these workpieces can be from several hundreds millimeters height; up to 6000mm height;
    3. 3) From several hundred kilogram weight, to a hundred ton weight;
    4. 4) From common seen end face shape, to any special type;
    5. 5) All these workpieces can be machined in different models of Wuxi JACK Pipe BOX H Beam End Face Milling Machine.

  • Q What are Competitive Advantages of Wuxi JACK Steel Structure Pipe BOX H Beam End Face Milling Machine?

    A The leading edges of Wuxi JACK machine are full around:
    1. 1) Technical Advantages: Delicate design, excellent and sturdy workmanship, the top grade outsourced parts, superior performance, user friendly operation;
    2. 2) Business Advantages: The shortest lead time thanks to large customer order and hence lean production, the most reasonable quotation, and consummate after sale service;
    3. 3) Application Advantages: Full line of models to choose from: Light/ Medium/ Heavy duty/ CNC control Pipe BOX H Beam End Face Milling Machine/ Milling and Facing Center.

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