“KEJEARC” MIG/MAG welding machines are appropriate for all metal working factories. With excellent welding characteristics for short arc and spray arc, the machines are suitable for welding unalloyed and Low alloyed steel,(CO2 and gas mixture) as well as high alloy steel and light metals. MIG/MAG (CO2) welding is a welding method utilizing a fusing welding wire and protective active/inert gas. The welding wire is fed in to the arc through the wire drive unit at a speed appropriate for particular wire dia. and the selected welding current intensity.
Features :

• High arc stability with auto choke
• Can be used for welding sheets from thickness of 1mm.
• High fusing capacity.
• Concentrated heat application
• No slag formation.
• Low distortion of welded parts.
• Near endless welding without change of electrodes.
• Wide current range with coarse and fine settings

“KEJEARC” Tungsten Inert Gas Arc Welders are adaptable to both manual & automatic operation and can be used to produce continuous welds, intermittent welds and spot welds. The machines can weld in any position and are well adapted to thin section welding. They combine quality with economy and give excellent welding performance.
Features :

• Stepless regulation of current.
• Excellent static & dynamic welding characteristics.
• Three phase full wave bridge circuit, giving steady wave with minimum ripple.
• Low power consumption.
• Easy startup with built-in high frequency unit.
• Good quality semiconductor devices to ensure long life.
• Conforms to latest international standards.

Application:

“KEJEARC” TIG Welders are compact, robustly built for high quality TIG welding of stainless steel, Alloy steel, heat resistance alloys, copper, nickel and their alloys from 0.5 to 3.0mm thickness. TIG Welders are available in three different models.

Most industries are faced with the problem of achieving leak proof joints quickly economically and with minimum of distortion. The solution is “KEJEARC” Pneumatically operated Seam Welding Machine, for an uninterrupted weld run which results in a positive leak proof joint.
To obtain the true economy in production costs and utilize its advantages to the full, “KEJEARC” range of air operated Seam Welders are of modern design and incorporate a variety of alternative features ensuring that a suitable machine is available for every seam welding application within the range.

Features :

LEAK PROOF JOINTS at much LOWER COSTS than conventional welding .

HIGH QUALITY ROLLER BEARINGS carrying the roller shafts, guarantee longer-    life of the roller bearings.

STURDY DRIVE SHAFTS ensure non slip drive.

MINIMUM WEAR of the ELECTRODE WHEELS due to efficient cooling system.

Fan Cooled transformer having core of high-grade silicon steel.

THYRISTORISED HEAT CONTROL.

HEAVY DUTY HIGH SPEED OPERATION.

Application:

“KEJEARC” Seam welding machine is useful in the manufacturing of :-
Cars, Buses, Trucks, Scooters, Autorickshaws, Drums, Containers, Barrels, Cans, Silencers, Water Tanks, fuel Tanks, Shells, Water Heaters, Electric Appliances, Textile Machines, Transformers, Motors, Television etc.

Flash Butt welding is a resistance welding process in which 'Flash' is created between two pieces of metals to be welded by passing high current at low voltage. The machine has one stationary platen & other moving platen. Flashing raises the temperature of abutting ends. At appropriate temperature upset force is applied resulting into a good weld. There machines can be applied in welding of Tubular parts, bicycle & moped wheel rinks. Constructional steel upto 32 mm dia Welding of Strip coils in continuous strip, chain links, gear blanks, window & door sections.

Salient Features:

• Robust “C” steel frame assembly
  
• Sturdy ram made of ground stainless steel permits high speed
  
• Weld sequence control with squeeze, weld, hold & off
  
• Precision weld timer with SCR control
  
• Controlled movement of upper electrode eliminating hammer blow on job
  
• High speed operation i.e. up to 140 SPOTS/MIN
  
• Nugget formation assured
  
• Good & consistent welds
  

Spot Welding Machine are suitable for a spectrum of applications like automobile chasis, furniture, control panel, wire meshes, wire cages, electric appliances & many other. These machines help in joining assemblies of two or more metal sheets at higher speeds. The contacting surfaces in the region of current concentration are heated by a short time pulse of low voltage & high amperage current & from a fused piece of weld metal. Pedal spot welding machines are available in capacity ranging from 6 to 25KVA & Pneumatic spot welding machines begin with 15KVA to & go upto 250KVA.

Salient Features:

• Designed for rugged industrial use
  
• Good static and dynamic characteristics
  
• A quiet, spatter-free arc throughout the entire welding range
  
• Positive arc strike and re-strike every time
  
• Step less regulation
  
• The units are wheel mounted to facilitate portability
  
• Negligible maintenance requirements
• Micro processor based weld sequence controller with squeeze weld hold & off.

Flash butt welding machines are used to securely clamp the job to be welded to electric current. These machines can be applied in welding of Tubular parts, Bicycle & moped wheel RIMS, Constructional steel up to 32mm dia, Strip coils in continuous strip, Processing Lines, Chain links, Gear blanks, Window & Door sections The machine includes a stationary and moving platen. The features are as follow:

• High production
  
• Production of uniform high quality welds
  
• Production of extremely economical joints produced.
  
• No need of joint preparation
  
• Hydraulically operated clamping and flashing.
  
• Adjustable flashing speed
  
• Thyristor control.
  
• Choice of Plc.
  
• Range of 15 to 250 kVA
  

These systems comprises of state of art technology. They come with a choice of Tig or Mig welding & single or twin torches. The welding head welds the job in one axis in a straight line (longitudinally). The welding heads are operated through thyristor controlled servo drives, ball screws electronic are feed back controlled & De nestor operated trolley. They find prominent use in fertile machinery.
 
Salient Features includes:

• High Welding speeds
  
• Uniform weld bad.
  
• Elimination of operator skill.
  
• Customized
  
• Rugged
  
• Choice of full automation.
  

These Spm's have state of art technology. They provide high production rates at less or no operator skill Usually have one or two power sources with respective welding heads. You may choose between Tig & Mig depending on the material you may want to weld & other parameters like strength & porosity. The jobs are clamped at appropriate pressure & rotated by a geared motor. The weld torches approach the job pneumatically & weld the job circumferentially. The weld bead uniform as are voltage is used as a feed back. Many applications like welding S.S. Stator to end rings in Submersible pumps, Lower rollers for conveyors, Tis welding system for traction motors. Mig system for flex plates, silencers in automobiles, many many jobs can be easily produced using notary welding systems.

Salient features like

• High Welding speeds
  
• Uniform weld bead.
  
• No operator skill
  
• Tailor made to suit customer needs.
  
• Excellent performance.
  
• Sturdy & rugged.
  
• Choice of PLC & full automation with material handling.
  

“KEJEARC” Direct Resistance Heating Machines are manufactured keeping in view varied industrial applications and Indian environments. In this process, the job to be heated is placed in the secondary circuit of the Resistance Heating Transformer where heat is generated due to resistance of the job and high current.

Features :

Only the work piece is heated, sparing the work shop, thereby, SAVING IN    CALORIES, thus, SAVING IN $$$$$$$.

Low inductance transformer , thus, REDUCING kVA & kW DEMAND ON POWER    SUPPLY.

Instant heat, NO PREHEATING REQUIRED.

Operator friendly, REALLY EASY TO USE.

Zero or MINIMAL MAINTENANCE .

Job is SCALE FREE, thus, improved die life.

THYRISTORISED HEAT CONTROL.

ENVIRONMENT FRIENDLY.

Application:

“ KEJEARC” Direct Resistance Heaters are used for various industrial requirements such as Continuous Warm heating of the wire bar, Preheating of billets for Forging, Partial heating of “U” bolts, Preheating for hot upsetting, Heat treating etc.
The machines are tailor made for both Ferrous & Non Ferrous materials.

Creates an enlarged diameter on the bar thereby forming the mars prior to forging. The machines are used for manufacturing a variety of components like engine valves, hand tools, fasteners, push rods, bolts, timer plus, torsion Springs rodes, shine shafts etc. 'Keje arc' has developed metal gathering for both has developed metal gathering for both end as well as middle portion of the component thus contributing to saving in cost of material & machining to high extent. The range of machinery starts from 15 KVA to 300 KVA.

Salient Features:

• Good static and dynamic characteristics
  
• A quiet and SPATTER-FREE arc throughout the entire welding range
  
• Stepless regulation of current
  
• Three Phase Full wave bridge circuit giving steady wave form with minimum ripple
  
• Good quality semiconductor devices to ensure long life
  
• Protective circuit for protection of silicon diodes against surges
  
• Forced air cooling
  
• Negligible maintenance requirements
  
• Confirms to latest international standards

In this process high current is passed through the clamped job thereby heating to forging temperature. Simultaneously hydraulic pressing is applied to push the job clamping dies to form hot gathered mars as desired.

Kejearc' is amongst the leaching manufacturers of wide spectrum of brazing machines used for joining non ferrous materials like copper, brass, It is a process where in the work pieces are locally heated to brazing temperatures under pressure. The Filter metal that is pre-placed between the work pieces is method by the heat obtained from resistance to flow of electric current through electrodes & the work.The features include:

• Low power consumption
  
• Easy current settings
  
• Adjustable electrode pressure
  
• No pre-tinning required before joining
  
• Precise electronic timer for controlling Braze Time
  
• Localized brazing possible
  
• RANGE : UP TO 200kVA
  

We provide two types of brazing machines viz. Stationary and portable used in the applications such as:

• Metals and alloys except those whose melting point is below 400 deg. C as lead, tin etc.
  
• Fuse links
  
• Tungsten silver tip on copper contacts
  
• Tungsten carbide tips
  
• Copper to copper parts of various sizes and shapes
  
• Copper to brass
  
• Terminals to transformer leads
  
• Brazing of clips and connectors to cable.
  

“KEJEARC” ‘REFINEWELD’ D.C. Welding Rectifiers are of modern and sturdy design.
The dynamic characteristics of the machine are so designed as to provide stable arc while welding with different electrode sizes and metals.

Features :

• High arc stability with auto choke
• Can be used for welding sheets from thickness of 1mm.
• High fusing capacity.
• Concentrated heat application.
• No slag formation.
• Low distortion of welded parts.
• Near endless welding without change of electrodes.
• Wide current range with coarse and fine settings