Wuxi JACK Special Welding Machine, Provide Tailor Made Solutions under Different Scenario

Wide Variety of Wuxi JACK Special Welding Equipment

1. Function: Special Welding Machine covers various designs on structures and specifications, implementing on various welding tasks with special requirement. It is usually in the form of special design and tailer made;

2. Major Types of Special Welding Equipment:

1) Gantry Welding Machine, with different welding modes and configurations, accommodating on broad range of workpiece specifications;
2) Longitudinal Seam Welding Machine, especially with high precision welding on thin wall Barrels;
3) Other Special Welding Machine with special welding modes, such as built up welding, strap cladding, P+T (Plasma welding plus TIG welding), etc.;
4) Welding trolley/ cart/ vehicle of different dimensions, with remote control;

3. Technical Specialties of Special Welding Machine:

Welding modes:
1) SAW (Submerged arc welding) – Large current on medium to thick wall workpieces (6- 30mm, often 12mm), usually as finished welding;
2) GMAW CO2 gas shielded welding – Smaller current, either as finished welding on thin wall workpieces (Less than 10mm), or as back welding before finished SAW welding;
3) TIG Tungsten inert gas welding – Higher cost, velocity and precision welding, usually being applied on high strength materials;
4) MIG Melt inert gas welding – Usually being applied on weathering materials;
The finished welding seam from these Special Welding Equipment can be in the form of:
1) Strap cladding, build up welding;
2) Back welding;
3) Finished cover welding ...
The welding operation in Special Welding Equipment can be implemented on different kinds of workpieces:
1) Cylindrical workpieces: Tube/ pipe/ cylinder/ barrel/ pressure vessels;
2) Steel structure workpieces;
3) Special workpieces, such as electric light pole, long rod, etc.;
Welding seams can be in the form of:
1) Longitudinal seam;
2) Circumferential seam;
3) Or both;
4) Internal and or external welding;

Wuxi JACK LH50 model external circumferential seam and Longitudinal Seam Welding Machine on balloons: (Fig.1)

4. Structures and Typical Cases of Wuxi JACK Special Welding Equipment:

In practical application, Special Welding Machine comes in various forms of specific structure/ overall dimension/ operation mode, being applied in nearly every corner of manufacturing industry:
1) Pipe Welding Machine: Fulfilling back welding/ build up welding/ finished welding on cylindrical workpieces;
2) Circumferential and Longitudinal Seam Welding Machine: Carry out longitudinal seam or circumferential seam welding, or both, on various materials and sizes of tubes and pipes, fabricating on internal and external wall of workpieces;
3) Gantry Welding Machine: Usually in medium to large scale overall dimension, with flat gantry or box gantry frame. The gantry frame can be of stationary or motor drive moving type, for performing welding on large workpieces. The Gantry Welding Machine is usually equipped with welding fixtures or other equipment, especially Welding Rotator (Welding Roller Bed), to serve as holding and rotating unit for barrel workpieces:
Wuxi JACK LHG1500 model Gantry Welding Machine, with 2 pieces of V brackets to hold on long pipes: (Fig.2)

4) Welding Fixture: Very important supplementary equipment on welding operation, basically with special design and produced, to secure workpieces reliably during welding, sometimes involved with moving function:
Wuxi JACK welding trolley for welding laboratory of a Chinese engineering university in December 2025 year: (Fig.3)

5. Common Technical Characteristics of Special Welding Machine:

1) Special Design and Variation: These Special Welding Equipment come into being and are put into use case by case: It is developed every time under customer personalized demand. So, it has wide variety of forms, no “standard” type;
2) Operation: Put into use of Special Welding Machine focuses on put into practice certain type of welding mode, on certain type of workpiece, usually special designed and manufactured. Here we pick up 4 business cases in this page, as applicating examples of Wuxi JACK Special Welding Equipment, from year 2009 to 2025;
3) Workpiece Fixture: Considering different types and tonnages of workpieces and requirement, on site operation of Special Welding Machine usually involves assistant support from Welding Fixture.

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Some Examples of Wuxi JACK Special Welding Machine

LHG4000 model special design large size Gantry Welding Machine on light electric pole production
Flange and Valve Circumferential Welding Machine
LHD1500 model for BOX Gantry Frame Longitudinal Seam Welding Machine on long pipes
Large Beam and Girder Longitudinal Seam Welding Machine
LH1000 model Longitudinal Seam Welding Machine on Thin Wall Stainless Steel Barrel
Stationary Door Gantry Structure for Lab Use
Moving type Special Welding Turning Roller with Flange Pipe Circumferential Welding Machine
Pipe Flange Circumferential Welding Machine

Wuxi JACK Special Welding Equipment for Universities Lab in Year 2025

In the just elapsed year 2025, Wuxi JACK cooperated with 2 Chinese top level universities, on developing Special Welding Machine:
1, Welding Cart (Trolley, Vehicle) for Barrel Internal Welding, with remote control, and video monitor:
2, Toilet Robot for Elderly Assistance, with remote control on moving direction and turning around, automatic rinse:

Wuxi JACK Longitudinal Seam Gantry Welding Machine

1. Structure and Variation on Wuxi JACK Gantry Welding Machine:

1) As its name suggests, mechanical structure of the machine is in the form of gantry, either door gantry (With 2 pieces of upright columns) or box gantry (With 4 pieces of upright columns);
2) Either stationary for welding on small workpieces, or motor drive moving mechanical gantry frame for welding on long length large size workpieces;
3) Height of gantry frame ranges from for adult operator, to 4,000mm which need to be climbed with staircase, or even higher:
a) Wuxi JACK stationary door gantry Special Welding Equipment for Lincoln Electric Shanghai welding technology laboratory, assembled at workshop before delivery: (Fig.1)
b) Wuxi JACK motorized moving box gantry of 4,000mm height, for welding on long and large structure components: (Fig.2)

2. Strong Points of Gantry Welding Machine:

1) Wide Applicability: Gantry structure machine has flexible and solid frame, strong strength and ample operating space, no restriction on workpieces structure, which adapt to wide range of workpiece sizes;
2) Especially applicable for operating on large and long workpieces, delivering consistent and durable welding performances;
3) Economic Applicability: Compared with other structure of Special Welding Machine, Gantry Welding Machine has the most conventional design and hence reasonable manufacturing cost, and customer friendly purchase price accordingly. The daily operation and maintenance are also relative simple and cost saving;
4) Transportation, installation and relocation of Gantry Welding Machine is easy and time saving, because it has integral structure, no need to disassemble before shipment, and assembly again after arrival at using site;
5) Upgrade on process technology and product at customer facility is convenient. In other words, machine modification cost can be kept at minimum level and shortest duration;
 

3. Wide Application of Gantry Welding Machine:

This structure of machine accounts for the largest share in Special Welding Equipment application. It can be adopted in:
1) Large scale project site such as Municipal Engineering, for fabricating on electric light pole;
2) Laboratory use in universities and technology orientated companies, for validating on various kinds of welding technique and newly developed products;
3) Steel structure production lines, especially for fabricating on BOX Beam/ H Beam/ T Beam;
4) Various oil and gas pipeline/ pressure vessel production lines, for fabricating long length longitudinal welding seams on workpieces;
5) Applicable workpieces can be: Polygonal pillar, of constant or variable cross section height; BOX or rectangular steel structure Beam; Pipes; Barrels, etc.
4. Wuxi JACK 2 Business Examples in year 2025: In this page, here we give introduction on 2 types of Gantry Welding Machine, which belong to common used Welding Equipment: For municipal engineering electric light pole production, and for technology company laboratory use.

A. LHG Model Large BOX Frame Longitudinal Seam Gantry Welding Machine for Lamp Post Production

1. Production at Wuxi JACK workshop, and on site installation of large BOX Frame Gantry Welding Machine at customer facility:

Erect and test at Wuxi JACK facility
SAW welding torch mechanism and its lifting platform
Machine installation at customer facility
Trail run with welding rotators in place

2. Operating Videos of Long Pipe Longitudinal Seam Gantry Welding Machine:

3. Usage of LHG Large BOX Frame Longitudinal Seam Gantry Welding Machine:

1) This is Special Welding Equipment for completing SAW welding on long and straight longitudinal seam, on large diameter structure members. Here in this business case, customer plan to use it on welding electric light pole;
2) Design sketch on applicable electric light pole to be fabricated in LHG model machine: (Fig.3)

3) Specifications of Electric Light Pole to be Produced from BOX Gantry Longitudinal Seam Welding Machine:

a) Length ranges from 9,000mm to 16,000mm;
b) Longitudinal Slant Angle: The electric light pole is in slant length direction shape. The inclination angle along its entire length is ≦8° (a=(D-d)/L);
c) Cross Section Diameter: Variable long the entire length, from Φ300mm (Small end) to Φ2,500mm (Large end);
d) Electric Light Pole Max. Weight: 6 Ton;

 

4. Technical Requirement on LHG Model BOX Frame Gantry Welding Machine:

1) Welding Operation: Implement on finished SAW welding on the electric light pole, following back welding. The SAW welding seam has advantages of: Deep fusion, broad face, and good appearance;
2) To acquire ideal welding performance, and also for convenient operation and observance, the workpiece (Electric light pole) should be placed in the orientation of its welding seam at 12 o’clock position;
3) The finished workpiece has joint line in the form of external longitudinal welding seam;

 

5. Stable, Smooth and High Precision Movement of Gantry Frame in Longitudinal Seam Welding Machine:

1) Considering the large size of machine BOX frame: 4,000mm height, 3,600mm width, and 3,300mm deep, the gantry movement guiderails are of vital importance: It is identical with that of large CNC Cutting Machine, the precise honing type rails;
2) The reason is, during movement of gantry (For carrying out welding operation), any small impact or shake may pose obvious effect on steady operation of welding gun, which in turn affects on welding quality;

3) To fully guarantee satisfactory welding seam formation and performance of the Gantry Welding Machine, below measures are taken:

a) Double drive of gantry frame: Both sides of the gantry are installed with A.C. motor reducer;
b) VFD (Variable frequency drive) on smooth and continuous adjustment on moving speed (Longitudinal welding speed);
c) Gantry movement guiderails are of the CNC Cutting Machine type: High precision honing rails: (Fig.4)

 

6. Design Print of Wuxi JACK LHG Model Gantry Frame Longitudinal Seam Welding Machine:

7. Technical Features of Wuxi JACK LHG Model Longitudinal Seam Gantry Welding Machine:

1) Motor Drive Moving BOX Frame: The machine has 16.5m long gantry frame movement rail, accommodating on the max. length of 16m long electric light pole;


2) Mechanical Main Frame of Gantry Frame Special Welding Machine:

a) Applicable for Fabricating on Large Electric Light Pole: To cater for diameter Φ300mm to Φ2500mm of electric light pole, welding torch mechanism is installed onto front face horizontal beam of the motor drive lifting platform;
b) The entire platform can be elevated integrally inside the 4,000mm height box frame. In this way, for welding on large diameter workpiece, the platform (welding torch) rises up; For welding on small diameter workpiece, the welding torch descends down:
c) Solid structure and lifting platform of the LHG model Gantry Welding Machine: (Fig.5)
 

3) Platform Elevation in Longitudinal Seam Large BOX Gantry Welding Machine:

a) Drive: A set of motor reducer is installed at middle of the platform, which is connected with bidirectional output shaft, and in turn drive motor reducers at both sides of the platform;
b) Transmission: By means of leadscrew and nut couples at both ends of the platform;
c) Guidance: The platform elevation is guided with 4 pieces of precise linear guiderails, which are assembled onto the pieces of 4 upright columns of the BOX frame. The shaft of guiding rollers is eccentric type, which can adjust on tightening degree of guiding rollers;
In this way, internal platform elevation can be realized with controllable smoothness and steadiness, with high precision structure and small clearance
Design sketch of platform elevation guiderail in Wuxi JACK LHG model longitudinal seam Gantry Welding Machine: (Fig.6)
 

4) Supplementary Function Units of Gantry Longitudinal Seam Welding Machine:

a) Location: SAW power supply/ wire feeding unit, and welding flux recovery machine are all located on the overhead elevating platform, which is accessed by way of climbing ladder:
b) Vertical view on design sketch of elevating platform: (Fig.7)
c) The welding flux barrel and hopper are installed onto horizontal beam, together with welding torch. In this way, no matter where does welding torch moves, the hopper is always right above it, making sure smooth and no hinderance conveying of welding flux onto welding point;
 

5) Welding Torch Group in Longitudinal Seam Gantry Welding Machine:

a) 3 Axis Movement: The welding torch can move along spatial directions of:
i. X axis horizontal direction, by means of leftward and rightward along horizontal beam of elevating platform;
ii. Y axis vertical direction, by means of up and down movement of elevating platform;
iii. Z axis forward and backward direction, by means of motor drive movement of gantry BOX frame along guide rails;
b) Welding Quality Promise: To fully make sure welding torch always aim at centerline of welding seam, it is installed with one set of cross slides inching adjustment unit, which precisely and conveniently manage on precise and correct position of welding torch all the while:
Design sketch on welding torch modulating unit in the LHG model gantry frame Special Welding Machine: (Fig.8)

 

 

6) Workpiece Fixture of Longitudinal Seam Large Gantry Welding Machine:

a) Role: To reliably support the tapered 16.5m long length electric light pole for its welding job, the workpiece holding fixture is in the form of 2 sets of Welding Roller Bed;
b) Reliable Welding Operation: By means of welding turning roller revolve, the longitudinal welding seam on the electric light pole can be rotated to its 12 o’clock position, which is the perfect position for performing welding;
c) The welding roller bed at larger end of electric light pole is automatic self-adjusting type; At smaller end is leadscrew adjusting type. To make sure longitudinal welding seam is always kept at horizontal level, the higher end self adjusting welding roller bed should be placed into a pit to lower its height; While the smaller end leadscrew adjusting welding roller bed should be placed onto a height adjustable welding table. See design sketch as below:
d) Design sketch on electric light pole fixture of longitudinal seam gantry frame Special Welding Equipment: (Fig.9)

 

8. Technical Parameters of Wuxi JACK LHG Model Longitudinal Seam Gantry Welding Machine:

  Applicable Workpiece  Electric Light Pole and other long structure workpieces
 Welding Technique  SAW, for completing on finished longitudinal seam welding
  Workpiece Length L  9,000- 16,000mm
 Workpiece Large End Diameter D  ≦Φ2,500mm
 Workpiece Small End Diameter d  ≥Φ300mm
 Electric Light Pole Taper  a=8°(a=(D-d)/L)
 Electric Light Pole Weight  ≦6 ton
 Gantry Frame Movement Speed
 (SAW Welding Speed)		   200- 2,000 mm/min.,
 A.C. inverter control
 Gantry Frame Movement Drive Motor  2 x 1.1kW, double drive
 Gantry Frame Movement Guiding Rail  24kg/m, precise honing
 Welding Torch Horizontal Movement Drive Motor  0.2kW
 Internal Platform Elevation Drive Motor  2.2kW
 Internal Platform Elevation Speed  1,500 mm/min., constant
 

Stationary Small Door Gantry Welding Machine for Lab Use

1. Application of Lab Use Stationary Door Gantry Special Welding Equipment:

1) Business Case: Customer of this equipment is an American brand world class renowned welding power supply company, their wholly owned subsidiary plant in Shanghai;
2) Task: Wuxi JACK designed and produced this Special Welding Machine based on customer requirement. It will be installed in customer welding laboratory at their Shanghai facility, for validating on various newly developed welding technique and new model welding power supply;

3) Customer Expectation on Stationary Door Gantry Frame Special Welding Machine:

a) Application: The equipment can not only work with simple welding fixture, but also be applied in sophisticated production line;
b) Mechanical Performance: The equipment should have good integral stability, high rigidity, flexible and convenient operation;
c) Test Task: The initial test welding technique on the equipment is SAW (Submerged arc welding), equipped with customer produced welding power supply. On the other hand, the welding torch mechanism should be capable of being replaced with other type of welding mode easily, as quick switch and start up;

4) Technical Characteristics of Lab Use Gantry Welding Machine:

a) Smaller Overall Dimension: Considering it will be used in laboratory, the entire mechanical frame has compact size, and quick assembly way;
b) Operating Height: As shown in the above photo, for acquiring convenient operation on adjusting welding control console, mechanical frame is in the height of adult male;
c) Stationary Base: Mechanical body of the machine is fixed into floor. The welding operation is nearly fixed at one point.
 

2. Technical Requirement on Lab Use Gantry Welding Machine from Customer:

Correspondingly, this Special Welding Machine should be able to:
1) Accurate and Smooth Welding Torch Movement: The front and rear sides of mechanical door gantry beam are precisely machined. The front beam is assembled with high precision linear guiderail and rack, for guiding and transmission of welding torch movement, which is also welding operation, in the most stable and precise way;
2) Safety Measure: There are mechanical hard stops at both ends of the horizontal guiderails, on the transverse beam of door gantry frame;

3) Welding Torch Position Control in Stationary Door Gantry Special Welding Machine:

During welding operation, welding torch should be manipulated along 3 directions:
a) X Axis: Leftward and rightward--- This is accomplished by means of welding torch carriage structure: Its movement along transverse beam of door gantry;
b) Y Axis: Up and down--- By means of welding torch lifting and lowering down along guiderail of carriage;
c) Z Axis: Forward and backward --- By means of welding torch moving perpendicular to horizontal beam. There is certain stroke of 400- 500mm.
 

3. Major Components of Stationary Door Gantry Frame Special Welding Equipment:

This machine is mainly composed of:
1) Double upright columns at both ends of the door gantry frame;

2) Horizontal Beam of Gantry Welding Machine:

a) For installing welding torch mechanism, with limit switch hard stops at both ends, to prevent the welding torch from falling off;
b) This horizontal beam is assembled from rectangular pipes, installed with 2 pieces of Taiwan produced HIWIN high precision linear guiderail, and 1 piece of longitudinal transmission purpose rack;
c) The horizontal beam is heat treated after being welded, making sure its stable and non-deformed structure;
d) To guarantee steady and smooth movement of welding torch, the front and rear face of the horizontal beam is precisely machined;
e) The working group of high precision guiderail/ gear and rack, fully manage on stable and correct welding torch movement speed (Welding velocity), with effective control;
3) Motor drive moving welding torch carriage, assembled onto horizontal beam with the double tiers of guiderails. During welding, movement of the welding torch is controlled with A.C. inverter. By turning welding head on carriage, welding angle can be changed accordingly;
4) Manual adjustment cross slides, this is for convenient adjustment on welding torch position, to make it aim at welding seam precisely;
5) Electric control system and operating pendant.
 

4. Supply Range of Stationary Lab Use Gantry Frame Special Welding Machine:

No. Item and Specification Quantity
1  Welding torch carriage, plus motor reducer 2 sets
2  Horizontal direction regulator, stroke 200mm 2 pieces
3  Vertical direction regulator, stroke 200mm 2 pieces
4  4,000mm length horizontal beam, high precision guiderail and rack 2 sets
5  Bracket of welding wire spool 2 pieces
6  Bracket of welding power supply control console 2 sets
7  Bracket of welding current/ voltage digital display 2 pieces
8  Bracket of welding torch carriage and modulator 2 pieces
9  Electric control system, cables and drag chain 2 sets
10  SAW welding machine DC-1000+NA-3 (Prepared by customer) 2 sets
11  SAW welding machine cables (Prepared by customer) 2 sets

5. Technical Parameters of Lab Use Stationary Gantry Welding Machine:

 Door Gantry Horizontal Beam Length  4,000mm
 Valid Horizontal Stroke of Welding Carriage  3,400mm
 Welding Velocity  100- 1000 mm/min., controlled with A.C. inverter
 Welding Velocity Adjustment  VFD, variable frequency drive
 SAW Welding Wire Diameter  Φ2.4- 5.6mm, solid wire
 SAW Welding Current  150- 1,300A
 Vertical and Horizontal Adjusting Stroke of Welding Head   200mm, Manual
  Welding Carriage Movement Transmission   Gear and Rack Couple
  Welding Carriage Travel Guideway  Precise Ball Bearing Linear Guideway
 Welding Torch Tilting Range  -30°- 30°
  Height of Gantry Welding Machine  Based on 700mm Height Work table
 Distance between Welding Torch and front side of Gantry Beam  400- 500mm

Thin Wall Pipe and Barrel Longitudinal Seam Welding Machine

1. Function of Thin Wall Longitudinal Seam Welding Machine:

1) Usage: As its name suggests, this machine implements on the entire length longitudinal seam butt welding on thin wall cylindrical workpieces;
2) Material of the thin wall barrel workpieces is often non-ferrous metal: Alloy steel, stainless steel, Al alloy;
3) The welding technique is high precision type: TIG, plasma welding, MIG, etc. The back side of welding seam is with water cooling copper pads, help forceful formation of welding seam. This is similar to welding operation in Steel Plate Butt Welding Machine;
4) Advantage of the machine: By means of hanging type, workpiece snap into and take out is convenient. The machine has good appearance, convenient operation, and reliable performance;

5) Workpiece Specifications of Pipe and Cylinder Thin Wall Longitudinal Seam Welding Machine:

Depending on specific model of the machine,
a) Diameter: Φ180- 1200mm;
b) Pipe Wall Thickness: 0.3- 6mm;
c) Pipe/ Barrel Length: 1,000- 3,000mm;
d) Pipe Material: Stainless steel, Al, alloy, carbon steel, etc.;

 

2. Major Component of Thin Wall Stainless Steel Pipe Longitudinal Seam Welding Machine:

This Special Welding Machine is composed of:

1) Worktable: Steel structure assembly, with sufficient rigidity and strength. Front side of worktable is installed with locking unit, making sure the minimum deformation of mandrel, after being exerted with pressure;
2) Horizontal Beam: A rectangular steel structure component, precisely grinded, and assembled with high precision ball bearing linear guiderail, making sure precision of welding torch movement, and hence linearity of longitudinal welding seam to be formed;

3) Mandrel of Thin Wall Longitudinal Seam Welding Machine:

a) This important component is finely produced with high quality steel. It is processed with rigorous heat treatment, making sure no deformation and high strength;

b) There is cooling water circulating inside the mandrel, to guarantee stable and qualified performance, and constraint deformation of thin wall cylindrical workpieces;
c) There is concave slot at upper section of the mandrel, with gas protection unit at bottom of the concave slot, and assembled with copper cushion, helping ideal formation of welding seam;
4) Welding torch movement unit: Driven with A.C. motor, and controlled with A.C. inverter, promising broad range and high precision welding velocity management;
 

5) Welding Torch Clamp Unit of the Thin Wall Longitudinal Seam Welding Machine:

a) Within worktable of the machine, on its motorized moving carriage, the welding torch can be moved along horizontal and vertical direction, modulated within strokes of 100mm respectively;
b) Of which, along horizontal direction is by means of A.C. motor, and along vertical direction is with gas cylinder, featuring in high efficiency and accuracy;
6) Welding torch alignment and lock unit: Adopted with simple and feasible inserts for alignment. For carrying out welding operation, just insert the insert plate into corresponding slot, then press down piano keys for precise alignment;
 

7) Electric Control System of Thin Wall Pipe and Barrel Longitudinal Seam Welding Machine:

a) Adopted with economical and practical relay/ contractor/ breaker circuit, of low cost and easy maintenance;
b) Welding current and speed digital display;
c) Operating panel right above work table, easy reach and management;
d) Conveniently set up and control on welding torch movement delay and lag duration time;
e) Automatic reset on welding torch movement unit.
 

3. Structure and Work Principle of Cylindrical Workpieces Thin Wall Longitudinal Seam Welding Machine:

1) Structure: As can be seen from the lefthand photos, this machine has integral structure, which is a set of fixed work table, in the height of convenient operation for operator;
2) Workpiece Holding: There is a piece of horizontal gloss solid mandrel being installed beneath the work table, which comes all the way through internal of the cylindrical workpiece, serving as workpiece fixture during welding operation;
3) Workpiece Fixture: Right above the cylindrical workpiece, there is an array of piano keys, which are driven with and clamped by means of air cylinder, to clamp down the cylindrical workpiece firmly;
4) Longitudinal Welding Operation: The welding head move in horizontal way along work table, in the adjustable welding speed;
5) Welding Performance Guarantee: During work of the Longitudinal Seam Welding Machine, the mandrel is circulated with cooling water, guaranteeing non-deformation of the thin wall workpiece, which promises high level stable and controllable welding operation.
 

4. Technical Parameters of Thin Wall Cylinder Longitudinal Seam Welding Machine:

  Machine Model LW1000/ LW1500/ LW2000 / LW2500/ LW3000
  Maximum Length of Cylinder 1000mm/ 1500mm/ 2000mm / 2500mm/ 3000mm
  Cylinder Diameter ø180- 800mm/ ø200- 1000mm/ ø260- 1000mm/ ø300- 1000mm /
ø400- 1200mm
  Cylinder Wall Thickness 0.3- 5mm/ 0.4- 6mm/ 0.5- 6mm/ 0.5- 6mm / 0.5- 6mm
  Longitudinal Welding Speed 150- 1500(mm/min.
  Welding Torch Positioning Precision ±0.2mm/m
  Welding Technique High precision TIG, MIG, MAG, Plasma, GMAW
  Max. Welding Current 300A
 Longitudinal Welding Purpose Thin plate butt welding, thin wall pipe Longitudinal Seam welding
 Cylinder and Pipe Material Carbon steel, Stainless steel, Alloy steel, Al
 Air Bag Pressure for Clamp on Workpiece 0- 7kg/cm2
 Interval between 2 Arrays of Piano Keys 5- 20mm
 Way of Operating on Piano Keys Double act foot pedal switch

Pipe Built Up (Hard Facing) Special Welding Machine

1. Application of Pipe Built Up Special Welding Machine:

1) Function: Built up welding, the other names as surface hard facing, or roller strap cladding, is for depositing a layer of hard facing on surface of workpiece, especially cylinder bodies, to prevent the workpieces from growing worn, thus extending its service life;
2) The core technique here is hard facing welding operation, which should select qualified welding power supply, welding head, and supplementary function units;
3) Built up welding can be either applied with this Special Welding Equipment introduced here, or with Column and Boom Welding Machine.

 

2. Work Principle of Pipe Built Up Special Welding Equipment:

1) The welding mode for roller strap cladding is usually adopts with SAW (Submerged arc welding), which features in small welding current and large welding voltage, rendering thin layer of hard facing formed on external face of cylindrical workpieces;
2) Workpiece Support: During work, the cylindrical workpiece is support on a set of Welding Rotator (Welding Roller Bed), which drives and leads workpiece into revolve, for fulfilling on hard facing welding operation;
3) Built up welding speed equals to rotating linear speed of welding turning roller. It should be adjusted by means of A.C. inverter, and displayed in real time;
4) Welding torch movement along transverse beam of the Special Welding Machine, carrying out strap cladding built up welding in the constant pitch, attaining the purpose of hard facing on surface of workpiece.

 

3. Technical Features of Pipe Built Up Special Welding Machine:

1) Electric Control: The entire work process of roller strap cladding welding is controlled with PLC (Programmable logic controller) on logic control, and A.C. inverter on welding speed management;
2) Welding speed is modulated with variable frequency drive, and being instantaneously shown in digital display of operation panel;
3) Duty cycle of roller strap cladding welding can be up to 100%.

4. Work Video of Wuxi JACK Pipe Built Up Special Welding Machine:

In this video, roller strap cladding welding power supply is selected with:
1) ESAB LAF1601 + 15m cables;
2) Welding head A6S arc master (Twin wire diameter Φ3mm, ratio 156:1)

Wuxi JACK Other Welding Machinery besides Special Welding Machine

Column and Boom Welding Center: LHZ2030 Welding Manipulator, with HGZ30 Self-Adjust Welding Turning Roller
Column and Boom Welding Center: LHZ5050 Welding Manipulator, with HLK80 Bolt Adjust Welding Turning Roller
HLK80 Bolt Adjust Welding Rotator Roller Bed, with hydraulic drive lift function on welding turning roll
HLK100 Bolt Adjust Welding Rotator Roller Bed, of 80ton loading capacity
Batch Production on HGZ80 Self Adjusting Welding Rotator Turning Roll Bed
Cable Connect on HGK5 Leadscrew Adjust Welding Rotator Turning Roll Bed
Metallic Turning Roll of HGK20 Leadscrew Adjust Welding Rotator Roller Bed
HGK2 Special Design Moving type Leadscrew Adjust Welding Rotator Turning Roll
HB06 Single Table Welding Positioner Turning Table with 600kg loading capacity
HB2 Servo Drive Single Table Welding Positioner Turntable with 2ton loading capacity
LBS3 L type Welding Positioner with Lifting Turntable of 3ton loading capacity
HTS2 Double Column Head and Tail Welding Positioner with 2ton loading capacity
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Wuxi JACK Special Welding Equipment Blogs

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