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SESNET

Key Features

SESNET (Simplified Electroslag Welding Process with Non-consumable Elevating Tip) is a high-efficiency welding process in which a non-consumable nozzle, which is used to guide the electrode, is designed to elevate automatically as welding progresses. The SESNET process is highly efficient and saves on labor costs. It is most effective when it is used to weld, short joints in steel skeletons and industrial machines.
The SESNET welding machine is equipped with a nozzle oscillator, and can be applied to work pieces as thick as 65 mm.

FEATURES
A. A single weld pass of a fine – diameter solid wire guided by the non-consumable nozzle provides very efficient welding work.(Deposition rate :140g/min)
B. The use of the type B nozzle oscillator makes it possible to weld plates between 16mm and 65mm thick. (The type A oscillator can be used for plates that are between 16mm-50mm thick.)
C. Easy to operate. The nozzle automatically moves upward in accordance with the preset welding current. Therefore, one operator can handle more than two machines at a time. This substantially reduces the work load on operators.

SPECIFICATIONS
Ø Power supply: 3 phase / 380V / 50HZ
Ø Driving system: Double DC drive motor and controlled by only one DC-controller
Ø The distance of both rail: 3000mm
Ø Height: 300 – 1200mm
Ø Width: 300 – 1200mm
Ø Length of travel: 15000 mm
Ø Plate thickness: 16 ~ 65 mm
Ø Steel grade: Mild steel and 50-kg high tensile steel
Ø Groove shape: Square groove and single bevel groove
Ø Joint length: 1200mm
Ø Joint geometry: T joint and butt joint
Ø Diameter of wire: 1.6mm (300kgs)

Machine Construction
The SESNET-W, 2 sets, consists of:
1) Clamper
2) Nozzle –elevating driver
3) Wire straightener
4) Control box
5) Cables and hoses
6) Oscillator
7) Operation box
8) Wire removal device
9) Secondary cable for the welding power supply unit
10) Wire feeder
11) Cooling-water circulator (to cool the SESNET nozzle)
12) Copper backing metals and hoses to supply and drain water
13) Straightening tab and terminating tab

4. Control System
a. Operation power: Toggle switch (ON/OFF, pilot lamp attached)
b. Welding: push button (start/stop)
c. Nozzle-driving: toggle switch (manual up / automatic / manual down)
d. Nozzle driving speed adjustment: stepless adjustment
e. Oscillation: Toggle switch
f. Oscillating stopping: Toggle switch (ON/OFF, front/rear single operation)
g. Oscillation stop time adjustment: stepless adjustment
h. wire feed speed adjustment: stepless adjustment
i. Inching: push button

5. WELDING EQUIPMENT
1) Lincoln DC-600 DC power source (3 Phase 380/440V 50/60 Hz)-- 2 sets
2) Lincoln LF-74 wire feeder --2 sets

6. Welding Reference:
1) Welding Work-piece
2) Parameter for Welding

7. Optional Equipment
1) Convey
2) Rail

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