1. Welding Fixture and 4 Types of Support Welding Equipment:

1) Hobbing Cutter (Rolling Shear Beveling Machine);
2) Plate moving style Heavy duty Edge Milling Machine;
3) Special Welding Positioner;
4) Rolling Boring Machine;
All serve important role on various welding jobs in industry;

2. Wide Variety and Important Use of Welding Fixture and Support Welding Equipment:

Function: These Welding Fixture and support Welding Equipment, although not directly implement on welding operation, play key role on supporting welding operation, determining welding quality and performance in large degree:
1) Machining on Welding Beveling on Workpiece: Make preparation on welding operation, in the form of machining beveling on edges of sheet metal: Hobbing Cutter/ Heavy duty Edge Milling Machine/ Rolling Boring Machine;
2) Welding Fixture: Serve as assistant function unit on welding operation: Special Welding Positioner / Welding Fixture;
 

3. Technical Common Points of Welding Fixture and Support Welding Equipment:

1) Special Design: Usually special designed and tailor made for customer;
2) Teamwork with Other Welding Equipment: Welding fixture and support welding equipment do not operate individually. Instead, often work as supplementary units for Welding Equipment, or Pipe Welding Machine, etc.;
3) Quick reviewing on Welding Fixture and support welding equipment is illustrated in summary slides product page “Brief on Wuxi JACK Pipe Welding Equipment and Welding Fixture”.

1. Vital Importance and Extensive Use of Welding Fixture:

1) Workpiece Clamp and Positioning: Welding Fixture is for positioning and firmly fixing workpieces during manual or automatic welding operation;
2) Function and Benefit: This is for acquiring the most reasonable and comfortable welding position for operator and Welding Equipment, and the best welding quality accordingly;
3) Related Welding Equipment: In this sense, welding fixture has similar and overlapping function with Welding Positioner. The difference between Welding Fixture and Welding Positioner: Considering the varied structure of workpieces, welding fixture has more complicated and different design than Welding Positioner, for purpose of reliably securing workpieces;
4) Application: Welding Fixture sees majority application in batch production, being applied in various streams of production lines, in Vehicle Industry/ Engineering Machinery/ Automobile Industry, etc.
 

2. Technical Characteristics of Welding Fixture:

1) Work Table and Pliers: Welding Fixture holds and clamps workpieces by means of fixed or revolving work table. Numerous pliers are used as clamping points along the entire length of Welding Fixture;
2) Way of Clamp: Majority of the pliers in Welding Fixture are manipulated manually by operator. Sometimes, air cylinders are used in Welding Fixture, for getting heavier clamping force, as well as quicker clamping operation in Welding Fixture;
3) Special Design and Validation: Welding Fixture differs case by case. The design of Welding Fixture is based on workpiece specifications. The design process is usually validated with VPA (Virtual Production Analysis, 3D Simulation) in the procedure;
4) Production Validation and Precision: The manufacture of Welding Fixture should be validated by means of CMM (Coordinate Measurement Machine) to test on its accurate dimension. The positioning of Welding Fixture can be maintained within the tolerance of ±1mm;
5) Stability and Durability: Another requirement on Welding Fixture is its stability and durability: Maintain the accuracy and precision of Welding Fixture unchanged after long time use, which should be tested periodically by professional team. This is because correct position and secure on workpiece, which directly affects on welding quality, is guaranteed with durability and precision of Welding Fixture.

1. Function and Application of Hobbing Cutter (Rolling Shear Beveling Machine):

1) Task and Workpiece: Hobbing Cutter, the other name is Rolling Shear Beveling Machine, is for machining on welding groove on small to medium thickness small metal plate, by means of the high speed revolution of cutter blade;
2) Related Equipment: For application purpose, Hobbing Cutter has similar function as Edge Milling Machine and Flame Triple Cutting Machine, in terms of its function for plate beveling;

3) Technical Capability of Hobbing Cutter (Rolling Shear Beveling Machine):

Machining beveling on sheet metal:
a) Bevel Angle: In the angular scope of 25°~ 45°;
b) Material: On materials of carbon steel/ 16Mn, etc.;
c) Plate Thickness: Depending on tensile strength of workpiece material, the max. thickness that can be processed in this GD20 Rolling Shear Beveling Machine is up to 20mm.
 

2. Technical Strong Points of Hobbing Cutter (Rolling Shear Beveling Machine):

1) Compact Size and Convenient Service: As can be seen from the righthand photos, Hobbing Cutter has compact size and simple structure. Correspondingly, its transportation/ fixation/ operation and maintenance are easy and simple;
2) Budget Save for Customer: Compared with Edge Milling Machine and Triple Flame Cutting Machine, the GD20 Rolling Shear Beveling Machine has much lower purchase cost, and lower running cost;
3) High Efficiency and Gloss Bevel: Beveling speed in Hobbing Cutter is fairly high: Around 3000 mm/min.); The finished cutting kerf on metal plate after machining from Hobbing Cutter does not need to be trimmed off slag.

3. Model and Technical Parameters of Hobbing Cutter (Rolling Shear Beveling Machine):

1. Function and Advantages of Plate Moving Type Large Edge Milling Machine:

1) Function: Make machining on double edges of steel plate in high speed, forming V/ Y/X and other types of welding groove. So, it serves as assistant Welding Equipment for large projects;
2) Strong Points: Here “Heavy duty” refers to comparison with XBJ/ SXBJ series Edge Milling Machine: Implicating on high edge milling efficiency: Compared with 100~ 1000mm/min. in conventional Edge Milling Machine，this heavy duty assistant Welding Equipment can deliver 3000~ 5000mm/min. machining velocity;

2. Working Principle of Plate Moving Type Heavy duty Edge Milling Machine:

1) Operating form of this large assistant Welding Equipment is illustrated below: (Fig.1)

2) Edge Milling Structure: There are 2 sets of high power milling heads being installed at both sides of the plate. When the sheet metal plate moves through the heavy duty large Edge Milling Machine in working speed, both lateral sides of plate are being edge milled into finished groove;
3) Working Way: This means, workpiece plate moves in high working speed, compared with stationary plate in conventional Edge Milling Machine;
4) Edge Milling Speed: 3000~ 5000 mm/min., it is 4~5 times that of conventional XBJ/ SXBJ series Edge Milling Machine;
5) Milling Head Power: 55kW milling head in the mechanical main body of heavy duty Edge Milling Machine, compared with 7.5/9.5kW milling head in XBJ/ SXBJ series support Welding Equipment;
6) High Efficient Edge Milling: Both sides of sheet metal plate can be edge milled with one time stroke in this Heavy duty Edge Milling Machine.

3. Technical Parameters of Plate Moving Type Heavy duty Large Edge Milling Machine:

1. Task and Application of Special Made Small Welding Positioner:

1) Applicable Workpiece and Welding Form: This is a set of special design and produced “Tiny” Welding Positioner, being applied in precision welding on very small workpiece: Plasma welding and or electron beam welding, on strictly controlled mandrel rod;
2) Working Nature: It is a delicate design and produced Welding Equipment. Judging on its function, this special made tiny Welding Positioner works as supporting Welding Equipment, to fulfil special welding jobs on special workpieces. The welding precision tolerance is highly managed.
 

2. Technical Features of Special Made Small Welding Positioner:

1) Servo Motor Drive for Workpiece Revolve: As compact size Welding Equipment which works on small working parts, to acquire precise welding performance on extensive range of workpiece revolution, this special made small Welding Positioner is equipped with servo motor for its faceplate revolving action;
2) Operating Style: Based on length of mandrel rod, the 3 claws chuck for clamping workpiece can be moved along the entire length of the special made small Welding Positioner base bed. The revolve for welding is manipulated with handwheel, and guided with high precision linear guiderail in the Welding Equipment.
 

3. Technical Parameters of Special Made Small Welding Positioner:

1. Function and Application Site of Rolling Boring Machine:

1) Applicable Workpieces: Rolling Boring Machine is for the purpose of machining internal surface of hollow cylinder body or tubes, in the form of forward rolling and backward boring of machine tool. It is an indispensable Welding Equipment in Cylinder Facilities;
2) Operating Form: During operation of the Rolling Boring Machine, the workpiece is clamped into a Welding Fixture. The machining tool is installed opposing the Welding Fixture, with the spindle in the same circle center as the workpiece;
3) Performance: By means of the high speed revolution of spindle, the machining tool is first sent in, then retreated out of the internal hole of workpiece in the assistant Welding Equipment.

2. Technical Parameters of Rolling Boring Machine Welding Equipment: