Welding Machines

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Welding Machines

88 used machines found
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KUKA KR 150 Welding Robot
Caravia Asturias
0 Bids
6,000 €
17/07/2017 14:01
DUMETA HB 10 Welding turntable
Velen
9 Bids
4,550 €
closed
Opportunity
UVM 5 Welding manipulator 250/500 kg Brand New
Konskie
0 Bids
3,700 €
27/06/2017 13:38
Hot lot
S-M-E Longitudinal Welding System
Euskirchen
20 Bids
3,400 €
11/07/2017 10:28
Opportunity
UVM 3 Welding manipulator 150/300 kg Brand New
Konskie
0 Bids
1,900 €
27/06/2017 13:39
Opportunity
MERKLE MCU 1000 Calibration device
Duisburg
0 Bids
1,600 €
07/07/2017 09:16
Welding Table
St. Ingbert
0 Bids
1,500 €
closed
Opportunity
UVM 2 Welding manipulator 100/200 kg Brand New
Konskie
0 Bids
1,450 €
27/06/2017 13:40
Opportunity
UVM 0,5 Welding manipulator 25/50 kg Brand New
Konskie
0 Bids
1,200 €
27/06/2017 13:41
UWM UWM 3 Welding table
Velen
3 Bids
1,100 €
closed
L-TEC Longitudinal Welding System
Euskirchen
2 Bids
1,040 €
11/07/2017 10:37
UWM UWM 0,5 Welding turntable
Velen
10 Bids
970 €
closed
PECO 4000 Sheet Welding Machine
Duisburg
0 Bids
700 €
closed
Opportunity
COSTRUZIONI SPECIALI MASI Welding System
Spilimbergo
0 Bids
700 €
04/07/2017 10:10
Opportunity
ELBARON TE 1200 Welding Fume Extraction System
Grenchen
0 Bids
600 €
28/06/2017 12:19
Opportunity
ELBARON FI 1200 Welding Fume Extraction System
Grenchen
0 Bids
600 €
28/06/2017 12:24
Opportunity
ELBARON FI 1200 Welding Fume Extraction System
Grenchen
0 Bids
600 €
28/06/2017 12:52
Projection Welding Machine
Neenstetten
2 Bids
500 €
closed
DALEX TURBO D SL 16-1 Spot Welding Machine
Euskirchen
1 Bid
500 €
11/07/2017 10:14
CLOOS WPK-DP-6-5000 N Rotary Welding Table
Eisenerz
2 Bids
420 €
25/07/2017 10:59
CASTOLIN GOOD AIR 1100 Welding Fume Extraction
Revnice
0 Bids
300 €
closed
ARO N 323 Spot Welding Machine
Euskirchen
3 Bids
270 €
11/07/2017 10:38
ARO N 323 Spot Welding Machine
Euskirchen
1 Bid
250 €
11/07/2017 10:20
Welding Steel Plate
Eisenerz
0 Bids
250 €
25/07/2017 12:17
Welding Steel Plate
Eisenerz
0 Bids
250 €
25/07/2017 12:18
ARO Spot Welding Machine
Euskirchen
0 Bids
240 €
11/07/2017 10:01
ELEKTRA BECKUM 230 / 60 ET mobile Welding Device
Euskirchen
3 Bids
170 €
11/07/2017 10:09
DALEX GI 181 L Welding Rectifier
Euskirchen
2 Bids
160 €
11/07/2017 10:19
MESSER GRIESHEIM VARIOMIG 400 - RV Welding Device
Wiesloch
2 Bids
160 €
13/07/2017 10:03
TRW NELSON NCD100 Stud Welding Machine
Spilimbergo
1 Bid
150 €
04/07/2017 10:12
ESS 220 G Welding Machine
Zimmern
0 Bids
150 €
12/07/2017 10:51
ESS 2050 Welding Machine
Zimmern
0 Bids
150 €
12/07/2017 10:50
ESS 2050 Welding Machine
Zimmern
0 Bids
150 €
12/07/2017 10:49
Extraction Station
Waghäusel
0 Bids
145 €
closed
Opportunity
ESAB PSF 405 2 welding torches - never used
Duisburg
0 Bids
140 €
07/07/2017 09:40
Opportunity
ABICOR BINZEL 2 welding torches - never used
Duisburg
0 Bids
140 €
07/07/2017 09:41
Opportunity
ABICOR BINZEL 2 WIG/TIG welding torches - never used
Duisburg
0 Bids
120 €
07/07/2017 09:38
Opportunity
ABICOR BINZEL 2 welding torches - never used
Duisburg
0 Bids
120 €
07/07/2017 09:39
ABICOR BINZEL MB 36 KD 2 welding torches - never used
Duisburg
1 Bid
120 €
07/07/2017 09:42
EUROMATE MFE 2 Welding Fume Device
Eisenerz
0 Bids
120 €
25/07/2017 10:48
ZINSER P15FS Spot Welding Machine
Grossbettlingen
0 Bids
120 €
11/07/2017 16:40
RS Water cooling device
Duisburg
1 Bid
110 €
07/07/2017 09:32
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
110 €
07/07/2017 09:52
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
110 €
07/07/2017 09:53
Opportunity
2 carrier wagons for welding units
Duisburg
0 Bids
105 €
07/07/2017 09:37
Opportunity
ABICOR BINZEL ABITIG-17 2 welding torches
Duisburg
0 Bids
105 €
07/07/2017 09:44
KELLER Welding Fume Extraction System
Falkenberg
0 Bids
100 €
14/07/2017 10:03
KELLER Welding Fume Extraction System
Falkenberg
0 Bids
100 €
14/07/2017 10:02
KELLER Welding Fume Extraction System
Falkenberg
0 Bids
100 €
14/07/2017 10:01
Welding Table
Waghäusel
0 Bids
95 €
closed
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
95 €
07/07/2017 09:45
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
95 €
07/07/2017 09:47
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
95 €
07/07/2017 09:49
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
95 €
07/07/2017 09:50
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
95 €
07/07/2017 09:54
Opportunity
ABICOR BINZEL ABITIG-26 2 welding torches
Duisburg
0 Bids
90 €
07/07/2017 09:48
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
85 €
07/07/2017 09:46
Opportunity
ABICOR BINZEL 2 welding torches
Duisburg
0 Bids
85 €
07/07/2017 09:51
2 welding torches
Duisburg
1 Bid
80 €
07/07/2017 09:43
Welding Table
Eisenerz
0 Bids
80 €
25/07/2017 11:40
Welding Table
Grossbettlingen
0 Bids
80 €
11/07/2017 16:43
Opportunity
Carrier wagon for welding unit
Duisburg
0 Bids
75 €
07/07/2017 09:34
ESAB A 10 - MED 44 Welding Unit
Falkenberg
1 Bid
75 €
14/07/2017 12:51
Opportunity
Carrier wagon for welding unit
Duisburg
0 Bids
65 €
07/07/2017 09:33
Opportunity
Carrier wagon for welding unit
Duisburg
0 Bids
65 €
07/07/2017 09:35
Opportunity
Carrier wagon for welding unit
Duisburg
0 Bids
65 €
07/07/2017 09:36
ARTEC Cooling unit
Duisburg
1 Bid
60 €
07/07/2017 09:19
ALLEN 270 Rotary Table
Spilimbergo
1 Bid
50 €
04/07/2017 10:06
KELLER STAR X-SL Welding Fume Extraction System
Falkenberg
0 Bids
50 €
14/07/2017 10:06
KELLER STAR X-SL Welding Fume Extraction System
Falkenberg
0 Bids
50 €
14/07/2017 10:05
KELLER STAR X-SL Welding Fume Extraction System
Falkenberg
0 Bids
50 €
14/07/2017 10:04
WELDLINE Lot of welding equipment
Stramproy
0 Bids
50 €
closed
OERLIKON OPTICLEAN Welding Seam Cleaning Set
Euskirchen
6 Bids
50 €
11/07/2017 10:55
NORIO BTS 500 Electrode dryer
Klepp Stasjon
0 Bids
50 €
20/07/2017 10:07
Welding table with vice
Klepp Stasjon
0 Bids
45 €
20/07/2017 09:34
Welding Torches
Bedizzole (BS)
0 Bids
40 €
closed
ESAB OK 75.75 Welding Electrodes
Falkenberg
0 Bids
40 €
14/07/2017 10:58
BÖHLER Welding Electrodes
Falkenberg
0 Bids
40 €
14/07/2017 10:56
BÖHLER Welding Electrodes
Falkenberg
0 Bids
40 €
14/07/2017 10:55
PLYMOVENT Welding exhaust system
Klepp Stasjon
0 Bids
40 €
20/07/2017 09:35
Welding table with accessorries
Klepp Stasjon
0 Bids
40 €
20/07/2017 10:10
Lot of Welding Partitions
Eisenerz
0 Bids
40 €
25/07/2017 10:42
Lot of Welding Partitions
Eisenerz
0 Bids
35 €
25/07/2017 11:43
Welders workplace with accessorries
Klepp Stasjon
0 Bids
30 €
20/07/2017 10:22
Welding Work Station
Eisenerz
0 Bids
30 €
25/07/2017 10:25
Opportunity
Welding Accessory Components
Spilimbergo
0 Bids
20 €
04/07/2017 10:01
Welding Accessories
Ebenweiler
0 Bids
20 €
13/07/2017 14:38
 

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Used welding machines for sale at Surplex.com

Index

  1. What are welding machines used for?
  2. How does a welding machine operate?
  3. Different types of welding machines
  4. The use of welding machinery in a variety of processes
  5. Where to find a quality second-hand welding machine?
Used mobile welding machine

What are welding machines used for?

Welding machines are used to permanently bond workpieces together. They are mainly used for the processing of metal, but they have also found their application in the welding of plastic. There is a difference between welding machines and the welding equipment, where welders can be counted in. Welders are a component of a welding machine, which are mobile and can be used separately as well. Most of the classic welding machines are stationary, as they are used for mass production and normally installed on a specific spot in a production line. The type and composition of a welding machine are usually determined by the thickness of the workpieces it will be processing.

How does a welding machine operate?

A welding machine works using a thermal melting process on two surfaces. The melting process is done either on a specific spot or along a seam on the workpieces' surfaces and it is pressed together using high pressure, before cooling down and solidifying. This results in a permanent and substantial bond between the two workpieces, which can only be reversed if the workpiece is destructed. Other uses of welding include build-up welding and closing up of holes. For these purposes, hand-held welding equipment is used instead of welding machines.

  • Used to permanently bond workpieces together
  • Mainly used for the processing of metal
  • Type usually determined by the thickness of the workpieces
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Different types of welding machines

There is a large variety of welding machines and processes, which differ in their application and the necessary qualifications for their use. When it comes to different types of welding machines, the most commonly used ones are:

  • Spot welding machine
  • Arc welding machine
  • MIG welding machine
  • Gas welding machine
  • TIG welding machine
  • Submerged arc welding machine
  • Inverter welding machine
  • AC/DC welding machine

The use of welding machinery in a variety of processes

The welding machinery listed above is used in a variety of welding processes, the simplest probably being spot welding, performed with the use of a special machine. This process, along with electrode or arc welding, is used in the mass production of thin-walled metal products. Here, specially moulded pre-products are fixed onto the welding press and welded onto one another with melt-flows. In addition to the classic spot welding machine, a spot welding gun is used for big and complicated products, such as automobile bodies. In combination with industrial robots, spot welding machines can be a very efficient way to automatically bond metal products together.

MEGATRONIC Welding machine in use

Arc welding machinery

Arc welding is a process of joining one metal to another with the use of electricity, by creating enough heat to melt the metal, which, after cooling, results in the binding of the two melted metals. An arc welding machine uses a power supply to make an electric arc between the base material and the electrode, in order to melt the metals at the welding point.

A special type of arc welding is submerged arc welding. A submerged arc welding machine is used for the processing of very thick-walled workpieces, for example, large tubes or pipes. During this process, a powder made out of iron oxide is put upon the welding spot instead of using a shielding gas. This is a complicated process and the submerged welding machines should only be used by skilled workers with high qualification and experience levels. Generally, the submerged arc welding process is characterized by a very comprehensive quality control. During the different work steps in the use of a submerged arc welding machine, the fatigue strength of the welded seal is regularly checked.

Electric welding can be performed using further special types of welding machines – such as an inverter welding machine, or AC/DC welding machine. The main advantages of an inverter welding machine, when compared to the conventional one, are its small and compact size and lower power consumption.

The terms AC (Alternating Current) and DC (Direct Current) depict the polarity of the electrical current, which is being produced by a welding machine and which passes through the electrode. An AC/DC welding machine, as opposed to a conventional AC welder, has the capability of employing both alternating and direct current.

Used welding in a warehouse

Gas welding machines are used to bring the base material to a melting point with an oxy-acetylene flame. At the same time, a filler rod is introduced that is continually being melted. This process is particularly useful for build-up welding to close up openings, unevenness or gaps in the material. A gas welding machine is also particularly applicable in the welding of cast iron. Gas shielded welding is, along with arc welding, the most widely used process. Through a continual emission of shielded gas, oxygen is prevented from reaching the welding spot, as that would result in burn holes. Gas shielded welding machines can either be hand-held or fully automatic. During this welding process, one can choose between using metal inert gas welding (using an MIG welding machine), metal active gas welding (MAG) or wolfram-inert-gas welding (WIG).

Where to find a quality second-hand welding machine?

Some of the well-known welding machine manufacturers are MESSER, ROTH, WALTER and KIEHNE. Although it is possible to find simple used welding machines for a price of a few hundred euros, some of the more complex used welding machinery can cost more than ten thousand euros. High-quality used welding machines for sale are offered by Surplex on a regular basis, and it is often possible to buy them at competitive prices in our numerous industrial auctions.

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