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FAQ FRO ANGLE STRAIGHTENING MACHINE

  • Q How much is Budget Rise on Purchasing Wuxi JACK Advanced Configuration Steel Plate Edges Milling Machine? And Value for Customer?

    A Depending on customer demands and selection, on the main configurations of:
    1. 1) Milling head, and its way of turning and feeding in;
    2. 2) Hydraulic drive automatic feeding tables;
    3. 3) HMI for edge milling control;
    4. 4) Counter control milling head feed-in;
    1. a) Price of Wuxi JACK Advanced Configuration Plate Groove Edge Milling Machine is around 10%- 30% higher than counterpart in conventional configurations. In this respect, we understand customer choice, whatever they prefer advanced function groups or not. Any way, our conventional Edges Milling Machines already rank top in industry, covering technique, quality and performance;
    2. b) The value and difference bring along with advanced function groups, is customer can acquire obviously better performance on their daily production system, covering indexes of P (People), Q (Quality), V (Velocity), C (Cost) management:
    1. 1) P (People): Totally safe (Especially for plate handling) work environment;
    2. 2) Q (Quality): Fully accurate, dependable and consistent control on finished bevel;
    3. 3) V (Velocity): Higher efficiency, removing cycle time on manual adjustment;
    4. 4) C (Cost): Greatly reduce (Or even eliminate) occurrence of defective workpieces from Edges Milling Machine.

  • Q Is it Difficult to Operate and Maintain on Wuxi JACK Advanced Configuration Steel Plate Groove Edge Milling Machine in daily Work?

    A Definitely No. On the contrary, one of the purposes on our developing these advanced function groups to Edges Milling Machine, is to create easy and convenient operation for customers operators and maintenance technicians:
    1. 1) Lubrication: From traditional semi-automatic lubrication, which operators often forget to push on lubricating pumps after period of operation, and in turn deteriorate on moving parts, to now automatic lubrication, reducing occurrence of maloperation;
    2. 2) Less Requirement on Operator Skill: The critical step of milling head feeding and turning is changed to automatic operation. So, even a novice worker just on board can work our Steel Plate Edge Milling Machine with stable and good performance;
    3. 3) Easier Daily Maintenance: Automatic parts have its principle and regularity, which is easy to be grasped. If ever malfunction happens, root cause can be easily find, and troubleshooting can be carried out accordingly;
    Summing up, set up reasonable TPM (Total preventive maintenance plan), and work instruction by customer team, Wuxi JACK Steel Plate Groove Edge Milling Machine will deliver long term stable and high level performance, helping customers to recover their investment as soon as possible, and create more profits.

  • Q Under what condition should customers select Double Heads Steel Plate Bevel Edge Milling Machine?

    A When steel plates to be beveled:
    1. 1) Length equals to 9m or longer. For edge milling on such long steel plate, single head configuration has too long cycle time. Double heads is much better, shortening 50% cycle time;
    2. 2) Max. thickness of steel plate equals to or larger than 50mm: For preparing on welding grooves on such thick plates, straight and upper bevel is not sufficient. Lower bevel is a must, for getting sufficient welding seam fusion. Therefore, double heads machines are very useful;
    3. 3) Even thickness of steel plate is less than 50mm, if bottom edge bevel is still necessary, according to customer process technology, Double Heads Edge Milling Machine are still to be selected. This is reason that, there are many “small” models of double heads Steel Plate Edge Miller Machine in use, such as SXBJ-3, SXBJ-4, etc.;
    4. 4) If required angle of finished groove is wider than conventional specifications, such as 0°- 80°, double heads is better choice than single head machine;
    The above are major common seen conditions, that customers had better select on Double Heads Edge Milling Machine.

  • Q What is Productivity Increasement from Double Heads Steel Plate Edge Miller Machine, Compared with Single Head for Beveling Steel Plate?

    A Considering below factors of:
    1. 1) Half of Edge Milling Stroke for Each Head: With the same edge milling stroke, such as 16,000mm, then each milling head will take care on 8,000mm stroke in Double Heads Edge Milling Machine, compared with 16,000mm in single head machines;
    2. 2) In the case of bottom edge beveling, for single head machines, the steel plate need to be taken off the worktable after straight and upper beveling, flip it 180°, and load it onto machine again. While for Double Heads Edge Milling Machine, these steps are not necessary, thus greatly saves cycle times;
    Summing up, there will be around 40%- 50% efficiency increase with double heads machines.

  • Q What is Price Higher on Double Heads Edge Milling Machine, Compared with Single Head Models?

    A Under the precondition of the same edge milling stroke and plate thickness, manufacturing cost of below 3 sections will be increased:
    1. 1) One more piece of milling head. The price differs between HD750 (Lower) and MU6S (higher);
    2. 2) One more set of motor drive moving carriage of milling head, including mechanical section, motor reducer, electric control board, and operating pendant;
    3. 3) The longer worktable, to accommodate on the 2nd set of milling head carriage, around 2m longer. And hence cable slides, double levels guiderails;
    4. 4) The longer upper gantry pressing beam, and more quantity of hydraulic press Jacks;
    Summing up, single head Steel Plate Edge Miller Machine will have around 30% to 40% higher manufacturing cost, and hence price, than single head machines.

  • Q How Many Operators are Necessary for Operating on Double Heads Steel Plate Bevel Edge Milling Machine?

    A
    1. 1) At initiation of every day or shift, 2 operators are necessary, especially for Double Heads Edge Milling Machine, to finish the task of: Checking on status of each milling head and its moving carriage. 2 veteran people working together can greatly hasten up preparation work;
    2. 2) After everything is confirmed, and official edge milling operation started, one proficient operator is sufficient to monitor on automatic edge milling operation;
    3. 3) During steel plate being loaded in and off from the Steel Plate Edge Miller Machine, two operators should work together, for managing on handling;
    In all, ideal work arrangement is, one skillful operator work all the while, with another operator as assistant, for operating on Double Heads Edge Milling Machine.

  • Q What are Critical Points, for Getting Proper Operation on Double Heads Edge Milling Machine?

    A
    1. 1) Work Instruction: Manufacturing engineers of customer company should prepare work instruction, before machine being officially put into use. Besides, this work instruction should be reviewed by team (Production, manufacturing engineering, service teams) regularly, for example, every month, to make sure work instruction always the latest, and most reasonable;
    2. 2) Safe Operation: Wuxi JACK always attaches importance on security of our products, including this Steel Plate Edge Miller Machine. During design and production, we take every measure to make sure its safe work. From customer aspect, production team should conform to on site safe regulation;
    3. 3) Core Operation Parameters for Steel Plate Edge Milling:
    1. a) Adjusting on angle of milling head, by means of turning milling head to target angle, either by manual, or motor drive;
    2. b) Feed forward on milling head carriage, this determines cutting depth of milled groove;
    3. c) Adjusting on edge milling velocity, this is determined on the basis of steel plate thickness, tensile strength, and required bevel angle.

  • Q Is the General Purpose Steel Plate Milling Edge Machine only Capable of Working on Carbon Steel Plate, or other Materials Workpieces as well?

    A
    1. 1) Design originates from customer demand. Currently in industry, the material of metal plate for welding is most majority steel, especially carbon steel. So, cutter head and blades are usually designed and applied for cutting on grooves/ bevel along carbon steel plates;
    2. 2) If customer need to mill on other material plate, such as Alloy steel, Stainless steel, then material of cutter head and blade should be also be special made accordingly.

  • Q How to Determine the Most Appropriate Model of General Purpose Steel Plate Bevel Edge Milling Machine?

    A The 4 critical points on determining configuration and model of machine:
    1. 1) Type of Groove and Bevel: Whether it is only straight and upper bevel (Select XBJ model single head configuration), or lower bevel as well? (Select SXBJ models double heads configuration);
    2. 2) The max. length of edge milling stroke: Determines the figure in machine model. It is usually in the scope of 3,000mm (XBJ3/ SXBJ3 model) to 18,000mm (SXBJ18 model);
    3. 3) The thickness range of workpiece steel plate: Conventional specification is from 6mm to 60mm; Equipped with special spindle with longer extension stroke, it can be enlarged to the max. thickness of 100mm to 200mm;
    4. 4) Required bevel angular scope: Common seen set is 0° to 45°/ 60°/ 80° for upper bevel; -45° to 0° for lower bevel; (-45° to +45°)/ (0° to 90°)/ (-50° to +25°) for wider upper and lower beveling angle.

  • Q How to Cut out Lower Bevel with General Purpose Single Head Steel Plate Beveling Machine?

    A Way of accomplishing steel plate bottom edge bevel effect: If it is necessary to mill lower edge bevel with single head machine,
    1. 1) The first stroke is to mill out straight edge bevel along steel plate;
    2. 2) The second stroke of edge milling is for cutting out upper bevel, with required beveling angle;
    3. 3) Then, the workpiece (Steel plate) should be pulled out of the machine, flipped upside down 180°, and loaded into the machine worktable again. Adjust position of steel plate by means of hydraulic jacks and plate fender. This time, the 3rd stroke of the lower bevel will be cut in the way of upper bevel edge milling;
    Summing up, to cut out straight/ upper/ lower bevel with single head Steel Plate Edge Beveler Milling Machine, it will take longer time and involves more complicated work, and entail operator skill and experience. For this reason, when it is often necessary to have lower beveling, customer had better select double heads configuration models of Steel Plate Beveling Machine.

  • Q What are Consumables and Spare Parts for Operating on General Purpose Steel Plate Milling Edge Machine?

    A
    1. 1) The consumables on edge milling are:
    Facer blade tip, which has the highest consumption;
    Following that is cutter head, which has common seen sizes from Φ125mm to Φ320mm. The most common is Φ200mm, which is our configuration for ex-factory delivery;
    1. 2) As to spare parts of machine, take a customer order in the 1st half of July 2026 as example. When this East European customer placed order on a SXBJ6 steel plate Bevel Edge Milling Machine, they asked us (Wuxi JACK engineers) to consider not only machine itself, but also below function units as spare parts as well:
    1. a) The 7.5kW HD750 milling head;
    2. b) The horizontal HIWIN precise linear guiderails;
    3. c) The motor reducer for driving on horizontal movement of milling head carriage;
    This customer is old customer of Wuxi JACK, the 3rd time buying machine from us following 2 times business in year 2025. After one year use, they not only have full trust on quality and performance of our products steel plate Milling Edge Machine, but also knows for their working condition of heavy workload each day, which components should be prepared as maintenance backup.

  • Q Now that there are many different types of Welding Groove Processing Equipment, what is USP- Unique Selling Point of Steel Plate Edge Milling Machine? Why customers decide to buy this machine, instead of other types?

    A Nowadays, Edge Milling Machine is the most extensive applied equipment on steel plate beveling. It has overall advantages compared with the 1st generation product of Edge Planer Machine, and contemporary other beveling machines:
    1. 1) Saving money: Lower price and daily running cost, compared with Edge Planer Machine;
    2. 2) High productivity and smooth bevels, compared with flame triple cutting;
    3. 3) Applicable for all sizes of steel plate, not only small ones, but more important, larger ones, compared with Rolling Shear Beveling Machine;
    In other words, there is no weak points with Edge Milling Machine, working as Welding Groove Processing Equipment. With over 20 years development, this machine technology grows mature, with user friendly operations and multiple choices for customers.

  • Q What is service life of Wuxi JACK Steel Plate Edge Milling Machine? How long will it take to recoup the investment?

    A
    1. 1) Operated and serviced properly, it is no problem to acquire 10 to 15 high level and stable performance of our machine. And, we suggest the machine to be overhauled thoroughly every 3 to 5 years, especially for running sites of heavy workload, namely 2 shifts per day, or over 6 working days per week. This can extend service life of the steel Plate Edge Miller machine, with the least level of expenditure;
    2. 2) As for payback date of the machine, because usage property of this machine is assistant on machining welding grooves, not produce finished products directly, we can only calculate on the basis of comparison with outsourcing on steel plate beveling, suppose without this machine. Generally speaking, 2 to 3 years can help customer get the machine investment pay back. This is only on aspect of financial return;
    3. 3) Besides, after buying Steel Plate Beveling Machine, steel plate beveling quality can be fully controlled, which is vital for finished product quality assurance.

  • Q How to judge quality of Steel Plate Edge Miller Machine from user perspective, when investigating on potential suppliers?

    A This is the question often considered by Wuxi JACK staff also, when introducing our machines to potential customers. There is market segmentation, that different customers emphasize on different factors: Some customers take more stress on machine price, some customers take quality as the 1st priority. Of course, no one will deny the products with both reasonable price, and exceeding performance;
    From professional viewpoint, the critical factors judging quality of an Edge Milling Machine:
    1. 1. Milling head: At early stages of this machine, many companies select 5.5kW head. Wuxi JACK always insist on equip 7.5kW heads to maintain higher productivity. And these years more advanced 9.3kW /11kW milling heads are equipped, for customers with higher demand on beveling efficiency;
    2. 2. Guiderails of Milling Head: Wuxi JACK uses HIWIN linear guiderail, made of stainless steel alloy, the top selection in industry, for upper level of guiderails in our Edge Milling Machine. The installation way is by means of bolts assembly; The lower level guiderails is rectangular heavy type. This fully guarantee stable and smooth movement of milling head during operation;
    3. 3. Comparatively, many companies use ordinary carbon steel guiderails, which largely reduce manufacturing cost of machine, but sacrifice edge milling operation as cost;
    4. 4. Mechanical Frame:
    1. 1) Dimension of Wuxi JACK steel plate Edge Milling Machine is 10% to 20% larger than that of other companies, which gives more strength and rigidity of machine mechanical body, and thus withstanding powerful beveling operation;
    2. 2) After 1st operation cut, bending and fabrication, mechanical frame will be strictly heat treated, to have welding stress relief, and strengthen on strength of main machine;
    1. 5. Hydraulic Pump Station and Valves:
    1. 1) Many companies use integrated pump station, being installed inside mechanical base bed of their Steel Plate Beveling Machine. Such way of arrangement is not good for heat dissipation, which easily lead to malfunction, although this can reduce manufacturing cost of machine, but it is at the expense of customer benefits; Besides, these companies use valve plates plugged with valve cores, which has lower cost, and difficult for later service;
    2. 2) As comparison, Wuxi JACK adopts independent hydraulic pump station, which is put alongside main machine of our steel Plate Edge Miller machine. Although this raises manufacturing cost of our machine, it makes sure convenient operation and service, and high level stable performance of hydraulic system as well; Besides, our hydraulic valves are individual stack valves, which, although with higher manufacturing cost, but guarantees high quality and consistent performance, and convenient for regular service.

  • Q When plan to purchase Steel Plate Beveling Machine, which points should be considered?

    A Although different customers and suppliers have different way of communication, below basic steps are unavoidable and critical:
    1. 1) Customer inform producing company requirement on plate beveling: The max. length and thickness of steel plate, type and angle of groove. Besides, width of steel plate is also important;
    2. 2) Wuxi JACK engineers propose the proper proposals to customer accordingly. Customer check whether proposal meet their requirement, including machine performance, configuration and price;
    3. 3) There maybe numerous communications between both sides, on topics of detailed technical and financial requirement. Finally, customer and supplier can explore the ideal proposal;
    4. 4) Technical Prepare: Approaching delivery of Steel Plate Beveling Machine, Wuxi JACK will prepare complete set of technical documents for customer, including: Machine foundation, layout, electric diagram, hydraulic diagram, installation and commissioning guide. Customers can prepare on machine installation accordingly.

  • Q What is significance on introducing these 2 news products (Elderly Care Robot and Automatic Welding Carriage Tractor), now that it is still not in batch production stage, but rather just completed pilot by year 2026?

    A
    1. 1) These new products explore new growth point of Wuxi JACK. As know, to survive through fierce competition, a company can not always rely on existing mature products, not even only on competitive advantageous products, but always keep alert technical trend and the latest development of industry;
    2. 2) Ever since company start up by 3 senior engineers in March 2009, Wuxi JACK always keep developing new products into market, based on feedback from customers on their need. And many new products have become featured products and new growth points of Wuxi JACK, such as Plate Butt Welding Machine in year 2016, Plate and H Beam Edge Rounding Machine in year 2020;
    3. 3) We believe this time the 2 news products which are developed with 2 renowned Chinese Universities, the Elderly Care Robot with academy of Mechanical and Electric Engineering of UESTC, and Automatic Welding Carriage Tractor with academy of Material Science and Engineering of LUT, will not only bring mutual benefits to both sides, fully making use of collaboration combining both parties strengths in the field of in practical production/ academic research and teaching, but also brings more practical value to market.


  • Q What is Potential Application Target Field of Automatic Welding Carriage Tractor?

    A
    1. 1) As a highly flexible, compact and specialized welding unit, this Automatic Welding Trolley has broad using field, such as:
    2. 2) Internal circumferential welding on tanks with length with over 20m long, which is difficult to be fulfilled with traditional horizontal boom of welding manipulator;
    3. 3) Dangerous or harmful or not so friendly operating environment, which is not applicable for human access, or difficult to access, such as working site with high moisture/ poisonous gas/ Explosive gas/ wild environment. At these working sites, even welding robot is not a good choice;
    4. 4) Replaced with different welding heads and power supply, this Automatic Welding Carriage Tractor can be used for trial on different welding modes and technologies, in welding technique laboratory, or companies.

  • Q Besides the above listed BOX Beam Welding Production Machine, what are other machines, equipment and tools necessary prepare, for kicking off BOX Beam Welding Production Line?

    A There are totally 35 stations in complete set of BOX Beam Welding Production Line. Besides the machines listed above, below are other necessary BOX Beam Welding Production Machines:
    1. 1) Lineation table for confirming on positions of baffle plates, and hole cutting;
    2. 2) Edge Milling Machine: For cutting out 0° - ±45° welding grooves on main plates of BOX Beam;
    3. 3) Welding seam test: Ultrasonic testing machine;
    4. 4) Clearing on electroslag welding gate and riser: Carbon gouge;
    5. 5) BOX Beam Longitudinal Straightening: Horizontal Press Straightening Machine;
    6. 6) BOX Beam surface clean: Shot Blasting Machine

  • Q What are Total Power of Machines in BOX Beam Welding Production Line, especially large current heavy duty BOX SAW Beam Welding Machine?

    A
    1. 1. The set up of entire BOX Beam Welding Production Line definitely involves careful prepare on workshop utility, especially electricity capacity. In all, installing all the major BOX Beam Welding Production Machines being introduced in this page need total power of:
    1. 1) Either 2 sets of 800KVA transformer for tandem arc (9KW＋240KVA×2, 63A＋250A×4 air breaker) BOX SAW Beam Welding Machine;
    2. 2) Or 2 sets of 1000KVA transformer for triple arc (9KW＋385KVA×2, 63A＋250A×6 air breaker) BOX SAW Beam Welding Machine;
    1. 2. Wuxi JACK engineers will give customer detailed list of electricity capacity and necessary air breaker for each set of BOX Beam Welding Production Machine, before customer prepare on the workshop of our BOX Beam Welding Production Line;
    2. 3. For example, for installing one set of UBZ12/ UBZ15 model U Beam BOX Beam Assembly and Tack Welding Machine, it needs electricity capacity of 15.4KW+25.6KVA, and air breaker of 63A×3.

  • Q Which Brands Wuxi JACK select, on various welding power supplies being equipped with our BOX Beam Welding Production Line, especially the core equipment of BOX SAW Beam Welding Machine?

    A
    1. 1) 20 years ago, in the year before 2010, the various modes of welding power supplies were usually selected from overseas famous brand, to make sure quality and performance on BOX Beam welding at different stations. For example, American Lincoln (DC1000A plus AC1200A in the condition of tandem arc SAW) for our BOX SAW Beam Welding Machine, and Japan OTC SESNET-WT for BOX Beam electroslag welding;
    2. 2) Over the past 10- 15 years, with the rapid development of Chinese suppliers technique on welding, nowadays by year 2026, all the welding power supplies in our Wuxi JACK production line, especially the most important one BOX SAW Beam Welding Machine, can be sourced from Chinese top grade professional suppliers: HUAYUAN, AOTAI, under different customer requirement and practical condition. These Chinese welding power supplies have stable and top grade performance, and much reasonable price than overseas brands, which promise more benefits and profits for customers.

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