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FAQ FRO ANGLE STRAIGHTENING 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 From Customer Perspective, how to select Proper Welding Groove Processing Machine?

    A There are 4 types of machines which can be used for cutting out welding grooves on steel plate:
    1. 1) Edge Milling Machine: The most widely applied, which has advantages of extensive plate size, from 1,000mm to 18,000mm. There are variations on configuration of the machine, including quantity of milling head, stroke of edge milling, control mode (HMI Human machine interface), etc.;
    2. 2) CNC Flame Triple Cutting Machine: The advantage is low cost, in terms of both machine price and daily running cost. The disadvantage is rough cutting kerf, which need to have cutting kerf trimmed off after flame triple cut;
    3. 3) Hobbing Cutter (Rolling Shear Chamfering Machine): The advantage is compact size and reasonable price. The disadvantage is this equipment is applicable for processing on small plate, especially small width plate. For conventional medium to large steel plate, it can only be processed with Edge Milling Machine, which has high precision cut groove;
    Summing up, which types of Welding Groove Processing Machine is the best choice for customer, depends on below factors of:
    1. 1) Size range of sheet metal plate;
    2. 2) Budget level;
    3. 3) Demand on welding groove cut out roughness.

  • Q For Operation on Hobbing Cutter (Rolling Shear Chamfering Machine), which Support Unit is Important and Necessary?

    A
    1. 1) As shown in videos of this page, a worktable with height as operator waist is very useful for operation convenience: Workpiece (Small plate) can be put onto this work table;
    2. 2) By means of pushing into these small plates into the equipment, and pulling out the beveled small plate out of the equipment, operator work on the entire process with the most labor saving job and high efficiency.

  • Q In terms of technical topics between customer and Wuxi JACK engineering team on I Beam and H Beam Flange Edge Rounding Machine, what is the most impressive topic over the past 2 decades, from Year 2009 to now (February 2026)?

    A Undoubtedly, the most impressive one is scope of workpiece (I Beam and H Beam) specifications, that can be edge rounded. The 2 cases that is worthwhile to mention here are:
    1. 1) In April 2023, a Singapore customer communicated with Wuxi JACK on HR800 model I H Beam Flange Edge Rounding Machine. The focus between both sides is the minimum size of H Beam that can be edge rounded: The conventional specification on minimum of flange thickness is 10mm, and 8mm under special design. Which means, the 8mm thickness/ 100mm flange width is the lower limit of workpiece size; Customer wanted to have the machine capable of edge rounding on H Beam with flange the minimum thickness of 6mm. Accordingly, according to Wuxi JACK engineer, slant angle of edge roller is around 10°, it should be 15° to available on edge rounding smaller H Beam. Correspondingly, edge rounding roller should be larger;
    2. 2) In beginning of February 2026, a west European customer contacted with Wuxi JACK, on I Beam H Beam Flange Edge Rounding Machine, for series of large projects which will kicked off in year 2027. Customer gave us list of all European standard I Beams and H Beams, which is planned to be processed. On that basis, Wuxi JACK engineer identify the workpiece list one by one, and gave customer response on whether our Flange Edge Rounding Machine can cover all the workpieces customer raised, and which sizes of I H Beam can be edge rounded, which can not be edge rounded, because of too small width and thickness of I H Beam flange.

  • Q What do Customers Care on Technical Service on End Plate Trimming Machine?

    A Take the same west European customer who communicates with Wuxi JACK in February 2026 as example, below are questions raised by customer on technical service on the European standard I Beam H Beam Flange Edge Rounding Machine:
    1. 1) What is freight cost to ship to customer city port, and also install the machine in customer workshop and give training to operators? Customer can unload using overhead cranes at their workshop;
    2. 2) What is cost of import taxes on the machine? 
    3. 3) How much time is needed to transport and install in customer workshop? 
    4. 4) What is cost and delivery times for a complete set of consumables and edge rounding rollers? 
    5. 5) Are there partners in customer country, for maintenance and repair of the I Beam H Beam Flange Edge Rounding Machine? 
    6. 6) Response time for a service intervention? 
    7. 7) How much maintenance does the machine require?

  • Q What are Consumables for Running on Steel Plate and I H Beam Flange Edge Rounding Machine?

    A
    1. 1) Although with complicated structure and energy source, the machine daily operation cost is low. It only has one type of consumables: The 4 pieces of edge rounding rollers;
    2. 2) Operated and maintained properly, expected service life of each piece of edge rounding rollers is around 50,000m edge rounding length;
    3. 3) Process technology: These edge rounding rollers are solid type, made of 35CrMo tool steel, finely machined in machining center, then tempered integrally, and have its surface quenched, making sure its stable and durable long time performance.

  • Q Is it Safe to Operate on Wuxi JACK I Beam H Beam Flange and Metal Steel Plate Edge Rounding Machine?

    A
    1. 1) Any automatic machine exists certain potential risk on operation and service, if not carried out carefully and properly. On the other hand, safety is the foremost factor to be taken for both customer and supplier, especially heavy duty mechanical equipment. This is always tenet of Wuxi JACK engineers developing our machines;
    2. 2) For this RH series End Plate Trimming Machine, the deburring and edge rounding speed of 7200mm/min. is fairly fast, and operator working around it should take precaution;
    3. 3) So, what is the Design of Wuxi JACK Edge Rounding Machine for Safety Purpose?
    1. a) The design of the mechanical structure makes edge rounding unit is located at middle of the machine mechanical frame. Which means, it is difficult to have direct access to working area of the machine by operators;
    2. b) Besides, to have a double insurance, we have Emergency Stop buttons deployed at both inlet and outlet side of machine main frame;
    3. c) Alarm lights and limit switches are also installed at eye catching position, and at ends of execution unit movement stroke.

  • Q Why there are 4 sets of LHC H Beam Welding Machine in automatic H Beam Production Line, but only 1 set of T Beam H Beam Assembly Machine?

    A Because in operating pace of automatic H Beam Production Line, welding station is bottle neck:
    1. 1) The SAW submerged arc welding speed is in the range of 100- 1000mm/min., and one set of LHC H Beam Welding Machine welds on one seam at one moment;
    2. 2) Comparatively, in H Beam Assembly and CO2 Tack Welding Machine, the assembly speed is in the range of 240- 2400mm/min., and one set of assembly machine welds on two seams at any moment;
    To align assembly speed with SAW welding speed into same level, so as to acquire ideal line balance rate (85% plus) and smooth material flow, there are 4 sets of H Beam Welding Machine in H Beam Production Line, and only one set of T Beam H Beam Assembly Machine to work with.

  • Q Besides Standard Functions of Assembly and CO2 Tack Welding, are there any Variations with Configurations of T Beam H Beam Assembly Machine, to get More Flexible Choice on Operation at Customer Facility?

    A Yes. This is the request often raised by customers, so as to not only get the best utilization of machine, but also optimal financial return on investment. For example:
    1. 1) In August 2025 year, when a Cambodian customer planned to purchase 2 sets of Z15 H Beam Assembly and CO2 Tack Welding Machine from Wuxi JACK, they requested the machines not only to be equipped with conventional CO2 tack welding function, but also with SAW continuous welding ability. For this reason, each one set of the machine is equipped with 4 sets of welding power supplies: 2 sets of 500A GMAW welding machine, and 2 sets of 1000A single arc SAW welding machine. This helps the machine with multiple choice on welding mode and applicable H Beams for production. These 2 sets of Z15 model T Beam H Beam Assembly Machine are scheduled to be shipped to Sihanouk at end of January, 2026 by sea transportation;
    2. 2) Also in early January 2026 year, when an Indian customer had technical communication with Wuxi JACK engineer on the machine, he raised the same request. The customer expectation is to have the machine not only capable of producing semi-finished welding H Beam of large size, but also be able to produce finished welding H Beam directly with 500A GMAW welding machine, in the form of continuous CO2 gas shielded welding;
    3. 3) Besides, Wuxi JACK engineers can also propose the T Beam H Beam Assembly Machine to be equipped with Twin arc/ Tandem arc SAW welding machines. In this way, in the case of continuous SAW or GMAW welding, the welding speed can be doubled compared with conventional single arc welding mode, so as to acquire on double productivity on H Beam Production Line.

  • Q How to Select Proper Model and Specification of I H Beam Assembly Machine?

    A Below checklists need to be considered before decision making:
    1. 1) H Beam Size:
    1. a) The max. web height of T Beam H Beam: Corresponds with models of Z15 (1500mm) / Z18 / Z20/ Z25/ Z30;
    2. b) Other important specification: The max. flange and web thickness; Flange width, this determines the max. capacity of machine;
    For example, in early January 2026, when an Indian customer raised inquiry and request to Wuxi JACK engineer, he wanted to have the machine with capability of producing H Beam with the max. sizes of:
    1. a) H Beam web height up to 3000mm, which should be Z30;
    2. b) H Beam flange width 1200mm- 400mm wider than common seen 800mm;
    3. c) H Beam flange thickness 100mm;
    4. d) H Beam web thickness 60mm;
    Very heavy duty, a rather challenge on producer of I H Beam Assembly and Tack Welding Machine;
    1. 2) Control Mode: Assembly and tack welding, customer prefer automatic type, or manual?
    2. 3) Are there any other special requirement from customers on the machine?
    Also take this Indian customer who talked with Wuxi JACK engineer in early January 2026 as example again, he hopes I H Beam Assembly Machine to be capable of performing not only CO2 stitch welding, but also continuous CO2 welding, so as to have finished welding on small H Beam with the same set of machine. In this way, customer can save cost on machine purchase, and has more flexibility to arrange on different specifications H Beam production.

  • Q As a “Complicated” I H Beam Welding Production Machine, is it difficult to Operate and Service on Wuxi JACK I H Beam Assembly Machine?

    A Not difficult, instead, daily operation and service is easy, intuitive, and convenient:
    1. 1) User Friendly Operation: Operators just need to set up stitch welding seam length and interval with machine operating panel, and adjust on working speed by means of turning grey color speed knob;
    2. 2) Intuitive Speed Control: During work, actual working velocity (Assembly and tack welding) are displayed in real time in digital display meter, which is installed in machine operating panel;
    3. 3) There are 3 working modes (Manual/ Single/ Continuous) to choose from, depending on circumstance and running condition.
    Wuxi JACK engineers give clear and detailed instruction on how to operate and service on our I H Beam Assembly Machine, in its manual book. We also provide free on line technical service, by means of email/ WECHAT/ WhatsApp, during the entire service life of machine.

  • Q What is Relationship between I 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 I H Beam Assembly Machine, getting clue and inspiration from its structure and working theory;
    2. 2) Especially Assembly step, the first and fundamental step during the entire 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 Beam H Beam fabrication with single set of machine;
    4. 4) Similar Appearance: For this reason, I H Beam Assembly Machine and H Beam 3 in 1 Assembly Welding Straightening Machine have very similar appearance;
    5. 5) The major difference is, main unit of H Beam 3 in 1 Assembly Welding Straightening Machine has “thicker” depth, in other words larger size of central working unit, accommodating more function units of total 3.

  • 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.

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