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FAQ FRO ANGLE STRAIGHTENING MACHINE

  • Q What is Working Mode of Equipment in I H Beam Welding Line?

    A
    1. 1) All the machines and equipment in I H Beam Welding Line work automatically: From plate cutting, to H Beam assembling, to H Beam welding, to H Beam straightening;
    2. 2) The definition on automatic and semi-automatic mainly refer to way of workpiece H Beam transfer: Be it with 60° / 90° / 180° steel structure overturning rack in Automatic I H Beam Welding Line, or with traveling crane in semi-automatic I H Beam Welding Line.

  • Q What is usage of H Beam Straightening Machine?

    A
    1. 1) As its name suggests, H Beam Straightening Machine is for correcting deformation on steel structure workpieces, which happened after SAW (Submerged arc welding)/ storage/ transportation, etc.;
    2. 2) The 2 main types of deformation are H Beam flange up bend / longitudinal horizontal deflection.

  • Q H Beam Straightening Machine and H Beam Flange Straightening Machine refer to the same equipment or not?

    A
    1. 1) Under over 70% application conditions, the answer is yes: When mentioning H Beam Straightening Machine, people usually refer to H Beam Flange Straightening Machine;
    2. 2) Meanwhile, there is a kind of hydraulic drive equipment: H Beam Horizontal Press Straightening Machine, which is also widely applied, for straightening deflection along length direction of various steel structure working parts.

  • Q What is general and max. straightening capacity of Wuxi JACK H Beam Flange Straightening Machine?

    A
    1. 1) We produce full line of H Beam Flange Straightening Machine to meet customer requirement: Motor drive mechanical style, for straightening H Beam flange with thickness up to 40mm, Q235 carbon steel, tensile strength 370~ 510 MPa;
    2. 2) And hydraulic oil cylinder drive, for straightening H Beam flange with thickness up to 80mm, Q345 carbon steel, tensile strength 600 MPa.

  • Q Which Parameters are important for H Beam Flange Straightening Machine, and which do not so matter?

    A When selecting H Beam Straightening Machine, the most important specifications are:
    1. 1) Max. flange thickness;
    2. 2) Tensile strength of workpiece material;
    3. 3) Structure of working parts cross section;
    The straightening working velocity is not so important. Because H Beam Straightening Machine straightens workpiece much quicker than H Beam Assembly Machine and H Beam SAW Welding Machine.

  • 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 Why does Semi-Automatic I H Beam Welding Production Line So Popular in Steel Structure Industry?

    A The reasons behind that can be listed as:
    1. 1) Saving total investment on machines and workshop;
    2. 2) Flexible planning on I/ H Beam production. The production line can be adjusted easily based on market demand;
    3. 3) It is convenient to relocate and introduce new machines and equipment, when process technology on T/ I/ H Beam production need to be changed.

  • Q Which Options are available for I H Beam SAW Welding Machine in Semi-Automatic I H Beam Welding Production Line?

    A There are 2 types of widely applied I H Beam SAW Welding Machine:
    1. 1) LHA series gantry moving structure. It has closed mechanical structure. So, based on max. web height of T/ I/ H Beam, there are 5 standard models to choose from: LHA4Z/ LHA5Z/ LHA55Z/ LHA4C/ LHA5C;
    2. 2) LHT model T frame open structure: One model can produce all sizes of T/ I/ H Beams.

  • Q Which Options are available for I H Beam Straightening Machine in Semi-Automatic I H Beam Welding Production Line?

    A There are 2 types of widely applied I H Beam Straightening Machine:
    1. 1) HYJ Series mechanical motorized type. Standard models: HYJ-40/ 800. Max. straightening capacity is 40mm for Q235 carbon steel, with 235MPa yield strength;
    2. 2) YTJ-40/ 50/ 60/ 80 heavy duty hydraulic drive type. Standard models: YTJ-40/ 50/ 60/ 80. Max. straightening capacity is 100mm for 345MPa yield strength, or 80mm for 485MPa yield strength.

  • Q Which Points Should be Considered when Put into Use Semi-Automatic I H Beam Welding Production Line?

    A
    1. 1) Layout of the entire production line, its utility availability;
    2. 2) Internal logistics unit, for turning and moving workpieces among stations. Mostly travel cranes of different tonnages;
    3. 3) Proper TPM (Total preventive maintenance) plan, to guarantee on reasonable daily service on machines and equipment;
    4. 4) Safety assurance and measures taken, to make sure security operation.

  • Q Could you give example of easily overlooked points, during business communication between customer and supplier on H-beam Gantry Welding Machine?

    A One of impressive points, which looks inconspicuous but important is, supply range of H-beam Submerged Arc Welding Machine:
    1. 1) The main machine itself and SAW power source of course are within supply range;
    2. 2) Meanwhile, in commercial offer, producer need to emphasize with customer that,
    1. a) The gantry moving rails of machine, which is usually 18m length for welding on 15m length H-beam, 2 pieces for LHC, LHA, LHT models H-beam Gantry Welding Machine, but with different spacing, are usually prepared by customer, with drawing from producer (Wuxi JACK). In August 2026, we had encountered such a lapse: In one set of LHA H-beam Welding Machine, Wuxi JACK expert forgot to list the 2 pieces of 18m length rails should be prepared by customer. And both sides found this issue, during customer engineer visit to Wuxi JACK in August 2026 for FAT (Factory acceptance test). The solution was Wuxi JACK resigned and reworked on moving frame of LHA machine;
    2. b) The 2 arrays of triangular steel racks, for hold on H Beam during its welding, in the case of LHT and LHA H-beam Submerged Arc Welding Machine. These racks are easy to be produced, have large size and heavy weight, which will take on large space and high freight charge if produced by supplier. To save logistic cost for customer, in industry, the common practice is customer producing these triangular steel racks, with print from producer (Wuxi JACK). Of course, some customers want to have completely turnkey project, that every unit of the machine to be produced by supplier company. For example, in September 2026, during communication between a South American customer and Wuxi JACK, on LHT model large H-beam Welding Machine, the customer representative asked Wuxi JACK to produce every unit of the machine, including the moving rails and triangular steel racks.

  • Q What are Working Surroundings need to be taken care, on H-beam Submerged Arc Welding Machine?

    A This topic also often raised from customers, during the 20 years communication between customer and Wuxi JACK as producer. One of the typical cases in September year 2026, on the LHT gantry frame H-beam Welding Machine for a South American customer:
    1. 1) Climate: Customer facility locates at a coastal city, which has weather of hot and humid. Does it affect on long term stable performance of machine, especially on SAW welding? --- Wuxi JACK promises durable and robust performance of all our products, including H-beam Submerged Arc Welding Machine, for successful operation in any extreme weather, from frigid zone to tropical area, under dry or humid environment;
    2. 2) Voltage: Customer experience frequent power outages, voltage spikes or low voltage conditions, which will affects on machine performance. So, what type of device or electrical protection system should be prepared, to protect machines? --- In the case of H-beam Welding Machine, of which stable electric power supply is of vital importance, for guaranteeing on stable high standard SAW performance. Need to use voltage stabilizer to make sure stable power supply. For example, for LHA model H-beam Gantry Welding Machine, need:
    1. a) 2 sets of 100KVA capacity voltage stabilizer, for the 2 sets of SAW power source;
    2. b) 1 set of 30KVA capacity voltage stabilizer, for the H-beam Welding Machine itself.

  • Q Can Welding Seam being produced from H-beam Welding Machine to be tested with ultrasonic testing (UT) or other means?

    A This is the other typical question raised by customer in September year 2026:
    1. 1) From customer: Regarding the H-beam Submerged Arc Welding Machine, we would like to confirm whether the welding process it uses fully complies with the AWS D1.5 code, which is the standard we are required to follow. In addition, according to the applicable requirements, all welds must undergo ultrasonic testing (UT) to ensure that the required penetration has been fully achieved. The technical requirements for our project are included in the drawings we sent you, so you can review them as well;
    2. 2) Wuxi JACK respond: This involves technology of SAW, not H-beam Gantry Welding Machine itself. Using proper welding consumables (Wire, flux), the H Beam can be ultrasonic tested.

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