Welding India
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Product Range
  • Spot Welders
  • Rocker ARM Spot Welder (Pneumatically Operated) Model - SWE (P)
Rocker ARM Spot Welder (Pneumatically Operated) Model - SWE (P)

Model - SWE (P) Rocker ARM Spot Welder ( Pneumatically Operated ) "STERCO" make ROCKER ARM PNEUMATICALLY OPERATED SPOT WELDER are most suitable for mass production, due to its pneumatic operation, less operational efforts are required. These machines are designed & developed to meet the needs of a vast number of sheet metal fabrication shops and can be used for electro brazing, cross wire welding, projection welding & resistance heating.

Salient Design Feature

Machine body is designed for its ruggedness and easy maintenance. A heavy Gun Metal bracket is provided on top of the frame for Rockering the upper arm holder. "T" slotted face plate allows both vertical and horizontal adjustment of lower arm. Because of this special electrode holder clamping system current in the carrying section increases.

ELECTRONIC & ELECTRICAL CONTROL SYSTEM

Machine consists of precision "STERCO" make SOLID STATE C-MOS INTEGRATED WELD TIMER with heavy duty electromagnetic contactor for switching purpose.

Timer consists of squeeze (Range 0-250 cycles, step less control), Weld Timer (Range will be 5-99-199 cycles adjustable in step of one cycle)and to adjust the welding.

Current from 50 to 100%, one tap changing switch of 8 steps had been provided on the machine.

COOLING SYSTEM

Arms, electrode holders, electrodes etc. are water cooled. Water cooled transformers can be provided at an extra cost.

PNEUMATIC SYSTEM

The basic pneumatic system consists of a pneumatic double acting cylinder, solenoid valve of 4 ways 5 port, filter, lubricator, regulator gauge and foot operated initiating switch for solenoid coil.

ELECTRODE SYSTEM

The electrode force is attained through the rocker arm mechanism coupled with the pneumatic cylinder. The electrode force can be adjusted with the help of Air regulator installed on the machine.

FOR FINE CONTROL

A pair of thyristor can be provided for switching purpose in place of electromagnetic contactor at an extra cost. By using thyristor, Heat Current can be controlled from 5 to 95% of the current available.Weld time is also adjustable from 1 to 99 cycles in step of one cycle each.

Extra Features

Additional ARMS AND ELECTRODE HOLDERS can be provided at an extra cost.
This model is also available in PEDAL OPERATED; Ask for MODEL - SWE (A)

 

Technical Specifications
Machine Model   SWE(P) - 10 SWE(P) - 15 SWE(P) - 25 SWE(P) - 35 SWE(P) - 50 SWE(P) - 75
Rating KVA at 50% Duty Cycle   10 15 25 35 50 75
Throat Clearance              
Min. MM 175 175 175 175 175 175
Max. MM 200 300 300 300 350 350
Max. Available Short Circuit Current at 30 cm Throat Depth K.AMPS 9.5 10.5 16 19 24 28
Nominal Electrode Force at 5.62 kg/cm2 Air Supply MM 250 250 250 450 450 450
Rocker Arm Diameter MM 38 51 57 57 62 70
Electrode Holder Diameter MM 19 22 25.4 25.4 25.4 32
Length of Upper Electrode Holder MM 200 200 200 200 200 200
Length of Lower Electrode MM 200 200 200 200 200 200
Types of Transformer Cooling   Air Air Air Air Water Water
Arms & Electrode   Water Water Water Water Water Water
Overall Dimension Without Throat Depth In cms WxDxH
(Approx.)
30 x 55 x 120x 33 x 60 x 125 35 x 63 x 130 35 x 65 x 130 40 x 72 x 140 40 x 75 x400

Note: We reserve the right to change the design and modify specifications at the discretion of our technical department.

 

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