A. Usage and Application of JF16 Sheet Metal Steel Plate Butt Welding Seam Straightening Machine:
1. Function of JF16 Sheet Metal Steel Plate Straightening Machine:
1) What For: This special made Butt Welding Seam Straightening Machine is for leveling and flattening on welding seam bulge deformation after butt welding;
2) Preceding Equipment: In this respect, this machine should be placed right following Sheet Metal Steel Plate Butt Joint Welding Machine;
3) Pressing flattening on butt welding seam of joint steel plate, with Wuxi JACK JF16 Steel Plate Butt Welding Seam Straightening Machine: (Fig.1)
2. Applicable Workpieces for JF16 Steel Plate Sheet Metal Straightening Machine:
The max. specifications of joint plate applicable for this JF16 Butt Welding Seam Straightening Machine are:
1) Max. width of joint sheet metal: 3200mm;
2) Max. thickness of joint sheet metal: 16mm;
3) Max. length of joint sheet metal: 32m;
4) Material of joint sheet metal: Carbon steel/ 16Mn/ Other common used materials;
3. Application of JF16 Steel Plate Butt Welding Seam Straightening Machine:
1) The customer of this set of JF16 Sheet Metal Straightening Machine is a listed company in Chinese Guangzhou, as part of Shipbuilding Machinery and Production Line;
2) Wuxi JACK takes sub-contract on providing this JF16 Steel Plate Sheet Metal Butt Welding Seam Straightening Machine, and J16 Stiffener Plate Unit Straightening Machine for customer;
3) The end user is a famous Chinese Shipbuilding Group based in Shanghai;
4) Make delivery on Wuxi JACK JF16 Steel Plate Sheet Metal Butt Welding Seam Straightening Machine, and J16 Stiffener Plate Unit Straightening Machine: (Fig.2)
B. Structure and Working Principle of JF16 Butt Welding Seam Sheet Metal Steel Plate Straightening Machine:
1. Structure and Main Units of JF16 Butt Welding Seam Steel Plate Sheet Metal Straightening Machine:
This Butt Welding Seam Straightening Machine has the structure of stationary box frame, with central working unit installed in between. Its primary units include:
1) Mechanical solid base frame;
2) Bottom straightening mold;
3) 4 pieces of upright columns holding platform and serve as machine skeleton;
4) A set of top installed downward acting straightening roller unit;
5) The top downward straightening roller horizontal moving mechanism;
6) Motor drive input and output conveyors;
7) Electric control system;
8) Hydraulic system;
Customer working site view on Wuxi JACK JF16 Sheet Metal Steel Plate Butt Welding Seam Straightening Machine: (Fig.3)
2. Working Principle of JF16 Sheet Metal Steel Plate Butt Welding Seam Straightening Machine:
1) Running Mode: This Steel Plate Butt Welding Seam Straightening Machine works in the form of workpiece passing through, and working unit keeps stationary;
2) Working Speed: So, sending forward speed of workpiece equals to straightening working velocity of the Sheet Metal Straightening Machine. Here in this equipment, it is fixed 6000 mm/min. Of course, we can make the working speed adjustable if customer need;
3) Leveling moment of Wuxi JACK JF16 Sheet Metal Steel Plate Butt Welding Seam Straightening Machine at customer facility: (Fig.4)
C. Mechanical System and Main Working Units in JF16 Butt Welding Seam Steel Plate Sheet Metal Straightening Machine:
1. Mechanical Main Body of JF16 Butt Welding Seam Sheet Metal Steel Plate Straightening Machine:
1) The mechanical main frame of the JF16 Steel Plate Straightening Machine is an integral body of BOX outline, which is fixed into workshop floor with anchor bolts;
2) Mechanical main body is welding structure. Its rigidity and strength are calculated and validated carefully during designing stage;
3) All the main parts and assemblies are de-stressed after welding with heat treatment, making sure reliable long service life of the Sheet Metal Straightening Machine;
4) Mechanical main body of Wuxi JACK JF16 Steel Plate Sheet Metal Butt Welding Seam Straightening Machine: (Fig.5)
2. Straightening Unit of JF16 Butt Welding Seam Steel Plate Straightening Machine:
1) Aiming on Welding Seam: There is a top assembled downward acting straightening unit, which moves laterally under motor drive, to aim on butt welding seam correctly;
2) Safety Management: The lateral movement of the straightening unit is controlled with electric limit switch, as well as rubber material hard stops. So, security in this Butt Welding Seam Straightening Machine can fully be guaranteed all the while;
3) The Pressing Bearing of the straightening unit has sufficient subject force capability, and reasonable lubrication circuit;
4) Straightening unit design diagram of JF16 Butt Welding Seam Sheet Metal Steel Plate Straightening Machine: (Fig.6)
5) Lateral Movement of straightening unit top and bottom rams are driven with motor reducer, transmitted with chain and sprocket, guided with heavy duty precise linear guiderails, with heavy and satisfactory subject capacity:
Drive/ Transmission/ Guidance on straightening unit in Wuxi JACK JF16 Steel Plate Sheet Metal Butt Welding Seam Straightening Machine: (Fig.7)
6) Straightening roller is “Soul” in all types of Straightening Equipment: H Beam Straightening Machine; And or Angle Steel Straightening Machine, etc. In this Steel Plate Straightening Machine, it is also made of hard alloy material, which are tempered and surface quenched, avoiding defects such as crack, making sure stability and long using life.
Straightening rollers in Wuxi JACK JF16 Butt Welding Seam Sheet Metal Steel Plate Straightening Machine: (Fig.8)
D. Hydraulic System of JF16 Steel Plate Sheet Metal Butt Welding Seam Straightening Machine:
1. Role/ Composition / Good Points of Hydraulic System in JF16 Sheet Metal Steel Plate Butt Welding Seam Straightening Machine:
1) Role: Hydraulic system gives force on downward movement of straightening roller in this Steel Plate Straightening Machine, the reliable energy source;
2) Composition: Hydraulic system mainly includes oil cylinder and pump station. Oil cylinder is large high pressure type;
3) With Strong Points of heavy driving force/ tight sealing/ no leakage even with long time use. There are embedded bi-directional interlock logic, making sure sufficient pushing force and self-lock performance;
2. Technical Features of Hydraulic System in JF16 Steel Plate Sheet Metal Butt Welding Seam Straightening Machine:
1) Straightening Action is managed with hydraulic valves. Its downward straightening stroke can be inching adjusted for precise control;
2) Straightening Volume Control is applied with displacement sensor, testing actual vertical position of straightening roller, and displayed in digital form;
3) Individual Pump Station is adopted in this Sheet Metal Steel Plate Straightening Machine. All the valves have separate assembly for easy and accurate control;
4) Protection Mechanism in Hydraulic System of Steel Plate Sheet Metal Butt Welding Seam Straightening Machine:
a) The entire hydraulic system has overload protection ability;
b) Its pump station has oil feeding in and out double circuit filters;
c) Oil tank has top and bottom oil level detecting elements;
d) Oil tanks has oil temperature detection/ heating/ cooling unit, and overload protection;
Working condition of Wuxi JACK JF16 Sheet Metal Steel Plate Butt Welding Seam Straightening Machine at customer facility: (Fig.9)
E. Technical Parameters of JF16 Sheet Metal Butt Welding Seam Steel Plate Straightening Machine:
No. | Parameters | Specifications | Note |
1 | Applicable Workpiece Width Range | 1500 – 3200 mm | Equals to length of straightened welding seam |
2 | Applicable Workpiece Thickness Range | 6-16 mm |
|
3 | Straightening Speed | 6000 mm/min | Constant |
4 | Height of Input and Output Conveyors | 800 mm |
|
5 | Quantity of Top Position Downward Acting Straightening Unit | 1 Set | Including 3 pieces of straightening rollers |
6 | Rated Pressure of Hydraulic System | 25 MPa |
|
7 | Model of Downward Straightening Drive Oil Cylinder | D125/d70-S100 |
|
8 | Elevating Stroke of Front and Rear Holding Rollers | 40mm | Bottom position is 10mm lower than mold |
9 | Drive Motor Power | 5.5 kW |
|
10 | Hydraulic Station Power | 4.0 kW |
|
11 | Electricity | AC380V/ 50Hz/ 3P |
|
12 | Overall Dimension of Main Frame of the Steel Plate Straightening Machine | 1610 x 5250 x 3650 mm | L x W x H |
