Home

These high precision welding machines have been developed by an experienced team of engineers for welding of small and critical components in the manufacture of vacuum tubes, instruments, fountain pen parts, artificial jewellery, spectacle frames, switchgear, electrical and electronic components, etc. These machines are highly versatile being capable of welding a wide range of metals of varying thickness. The machines are available in spot welding execution and projection welding execution.

Specifications

Standard Ratings:
10,15, 20 and 30 KVA @ 50% duty cycle.

Type:
Air operated, table mounted, press type Spot/Projection Welders with pneumatic cylinder mounted directly on the upper arm.

Construction:
Robust construction, streamlined appearance with maximum resistance to deflection. Transformer enclosed in the main frame and pneumatic accessories mounted on the side of the machine and upper and lower arms mounted directly on to the body. Operating control station mounted on the machine clearly visible and within easy reach of the operator.

Standard Throat Depth:
200 mm (Special throats on request).

Welding Transformer:
Transformer conforms to IS: 4804 Part-I and RWMA Standards, water-cooled, class 'F' insulation with thermo switch protection for overloading.

Current Control:
Welding current adjustable from 50 to 100% by means of a tap change switch.

Cooling System:
Transformer, Electrode holders, welding electrodes are water cooled.

Electrodes / Dies Toolings:
Machine can be provided with custom-designed spot welding electrodes/projection welding dies to suit various sizes and shapes of work pieces, and suitable jigs and fixtures for holding, guiding and indexing of the work-piece as required at extra cost.

Electrode Control System:
Upper electrode actuated by a heavy-duty 2-way cushioned pneumatic cylinder controlled by an electrically operated 4-way solenoid valve. Compressed air at 1.5 Kg/cm.sq. - 5.6 kg/cm.sq. (20 to 80 psi) acting on the pneumatic cylinder provides electrode force. Machine provided with air filter, air lubricator, and air pressure regulating valve, air pressure gauge.

Adjustment of Electrode Stroke:
By vertical adjustment of lower electrode holder/platen.

Weld Initiation:
By means of operator's foot switch connected to low voltage safe initiating circuit.

Max. Operating Speed:
Machine is mechanically capable of affiancing 80 welds per minute at 13 mm stroke.

Controls:
Appropriate Control will be incorporated with the machine as per requirement.

Optional Accessories at Extra Cost:

  1. Flow switch to confirm adequate water flow.
  2. Differential pressure system for wider selection of weld pressures.

 

Service Requirements

Power Supply:
415 V, single phase, 50 cycles, Machine is suitable for connection to 2 lines of 3 phase supply. Main supply cables 2-core type, disconnect switch with fuses of size recommended to be provided by the customer.

Compressed Air:
Customer to provide air supply at recommended flow volume at a minimum pressure of 5.6 kg/cm.sq. (80 p.s.i.).

Cooling Water:
Cooling water minimum at 2.6 kg/cm.sq. pressure and temperature below 30 degree centigrade at recommended flow rate to be provided by the customer.

Model >> Spot Welder         : TS-10 TS-15 TS20 TS-30
Model >> Projection Welder : TP-10 TP15 TP-20 TP-30
Rating KVA @ 50% duty cycle 10 15 20 30
Rating KVA @ 100% duty cycle 7 10.6 14 21
Throat clearance min/max (mm) 100-200 100-225 100-225 100-225
Electrode Stroke (mm) 50 50 50 50
Max. available current
(short circuit) Amps ±5%
(throat clearance of 100 mm)
@ Throat depth : 200
  : 300
    400



10500
9000
8000



16000
13500
10500



22000
19000
17000



28000
24000
21000
Demand KVA Maximum
(at throat 300 mm)

34

60

95

140
Nominal electrode force (kgf)
@5.6 kg/cm sr. air pressure

180

180

250

250
Air cylinder size (mm) 65 65 75 75
Free air consumption/100
operation (ltr)

250

250

300

300
Water required (ltr./min) 10 10 10 15
Main supply cable size cu./al. sq. mm 6/10 10/16 10/16 15/25
Main disconnection switch (Amps.) 30 60 60 60
Delay action fuse (Amps) 20 30 35 55
FOR PROJECTION WELDERS
(TP Series)
       
Platen Size (mm) 100x100 100x100 100x100 100x100
T-Bolt size M-10 M-10 M-10 M-10
FOR SPOT WELDERS
(TS Series)
       
Dorn dia (mm) 50 50 50 50
Electrode holder dia (mm) 25 25 25 25
Length of the holder (mm) 200 200 200 200
Electrode morse taper 2 2 2 2
Nominal working height (mm) 850 850 850 850
Table size LxWxH (mm) 1050   x   600   x   900
Net Weight (kg.) (approx.) 250 275 275 300

Copyrights 2002. Mechelonic Engineers Pvt. Ltd. All rights reserved.