Spot Welding Machines

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Pedal Operated Pneumatically Operated Press Type Contact Welders High Precision 
Spot Welding Machines - Pedal Operated Rocker Arm Type

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Features:
- Electrodes, Electrode Holders and Arms water cooled. Water should be free from residue forming impurities and at a temperature below 30oC. (If water temperature is higher, increased water flow required)
- One Pair Morse Taper 2 straight electrodes supplied as standard with the machine. (Other types available on request)
- Pressure on the Job obtained by means of heavy spring on the pressure rod at the back of the machine 
- Adjustment of Electrode Force by means of a calibrated nut. Force is adjustable and gives a constant force from 100 - 200 kgf. with 30 kgf. applied on the foot pedal.
- Adjustment of Electrode Stroke by vertical adjustment of the lower electrode holder
- Current Control by means of 6 tap change links between 50% and 100%
- Weld Initiation by means of mechanically coupled switch which initiates the weld only after preset pressure is built
- Solid State Electronic Timer and Heavy Duty Electromagnetic Contactor provided as standard equipment with the machine
- Timings: Short Range 5 - 50 cycles. Long Range 1 - 10 seconds (50 to 500 cycles)

Applications:
- Spot Welding, Electro-Brazing, Cross Wire Welding, Resistance Heating and Soldering
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Specifications:
Model: MSP-6 MSP-8 MSP-10 MSP-15 MSP-20 MSP-25 MSP-30
Rating @ 50% Duty Cycle (KVA): 6 8 10 15 20 25 30
Throat Depth (mm): 350 400 460 460 460 460 460
Nominal Throat Clearance (mm): 220 220 220 220 220 220 220
Welding Range (Thickness) M. S. Sheet Max. 2 x mm 1.6 1.8 2.0 3.0 3.25 3.5 4.0
Min. 2 x mm 0.16 0.2 0.2 0.3 0.5 0.6 0.8
Brass Sheet Max. 2 x mm 0.6 0.7 1.0 1.5 1.6 1.6 1.8
Min. 2 x mm 0.1 0.1 0.1 0.2 0.2 0.3 0.4
Stainless Steel Sheet Max. 2 x mm 1.6 1.8 2.0 2.8 3.0 3.5 4.0
Min. 2 x mm 0.2 0.18 0.2 0.3 0.3 0.6 0.8
Min. available short circuit currents (KA) 5 7 8 8 11 11 12
Insulation Class: F F F F F F F
Nominal Electrode Force - Approximate - (kgf.)  75 100 - 75 100 - 75 100 110 110 125
Electrode Stroke Max. (mm): 40 40 40 40 40 40 40
Mains Supply Voltage: 415 415 415 415 415 415 415
Phases (nos.) 2 2 2 2 2 2 2
Mains Supply Cable Size (Copper mm2): 8 10 12 15 20 20 25
Mains Disconnection Switch (A): 15 20 25 30 45 50 70
Delayed Action Fuse (A): 15 20 25 30 45 50 70
Water at max. temperature of 30oC (Liters/min.) 2 3 3 3 3.5 3.5 3.5
Spot Welding Machines - Pneumatically Operated Rocker Arm Type

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Features:
- Electrodes, Electrode Holders and Arms water cooled. Water should be free from residue forming impurities and at a temperature below 30oC. (If water temperature is higher, increased water flow required)
- One Pair Morse Taper 2 straight electrodes supplied as standard with the machine. (Other types available on request)
- Adjustment of Electrode Force by means of Air Pressure. Force is adjustable and gives a constant force from 100 - 200 kgf. by Pneumatic Cylinder, adjusted by Regulating Valve.
- Adjustment of Electrode Stroke by vertical adjustment of electrode holder
- Current Control by means of 6 tap change links between 50% and 100%
- Weld Initiation by means of Foot Switch which initiates the weld only after preset pressure is built
- Two Timers provided for squeeze and weld. Timings: Short Range 5 - 50 cycles. Long Range 1 - 10 seconds (50 to 500 cycles)

Applications:
- Spot Welding, Electro-Brazing, Cross Wire Welding, Resistance Heating and Soldering
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Specifications:
Model: MSP-10P MSP-15P MSP-20P MSP-25P MSP-30P MSP-40P
Rating @ 50% Duty Cycle (KVA): 10 15 20 25 30 40
Throat Depth (mm): 460 460 460 460 460 460
Nominal Throat Clearance (mm): 220 220 220 220 220 220
Welding Range: S.S. / M.S. Sheet   2 x mm: 2 to 0.2 3 to 0.3 3.25 to 0.32 3.5 to 0.5 3.75 to 0.6 4 to 0.8
Max. available short circuit currents (KA) 6 8 9 11 12 14
Insulation Class: F F F F F F
Nominal Electrode Force - Approximate - (kgf.)  100 - 75 100 100 110 110 125
Electrode Stroke Max. (mm): 40 40 40 40 40 40
Mains Supply Voltage: 415 415 415 415 415 415
Phases (nos.) 2 2 2 2 2 2
Mains Supply Cable Size (Copper mm2): 12 15 20 20 25 25
Mains Disconnection Switch (A): 25 30 45 50 70 80
Water at max. temperature of 30oC (Liters/min.) 3 3 3.5 3.5 3.5 4
Spot / Projection Welding Machines - Pneumatically Operated Press Type

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Features:
Construction: Heavily fabricated with streamline appearance, suitably stiffened at points of stress. Transformer mounted directly on to the body and bearings for the arm provided in the same.
Cooling System: Electrodes, Electrode Holders water cooled. Water should be free from residue forming impurities and at a temperature below 30oC. (If water temperature is higher, increased water flow required).
Electrodes: One Pair Morse Taper 2 straight electrodes supplied as standard with the machine. (Other types available on request)
Adjustment of Electrode Force: By means of Air Pressure. Force is adjustable and gives a constant force from 1 to 5 kg cm2 by pneumatic cylinder, adjusted by regulating valve.
Adjustment of Electrode Stroke: By vertical adjustment of Electrode Holder.
Current Control: By means of 6 tap change links between 50% and 100%
Weld Initiation: By means of foot switch which initiates the weld only after preset pressure is built up
Electronic Control: (A) Thyristorised synchronous electronic sequence timer consisting of: Squeeze, weld, forge, off and heat control unit range 1-99 c/s
(B) Solid State - three timers provided for Squeeze, weld and forge timings - short range 5 - 50 cycles - long range 1 - 10 seconds (50 to 500 cycles)

Applications:
- Spot / Projection Welding, Electro-Brazing, Cross Wire Welding, Resistance Heating and Soldering.
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Specifications:
Model: MSP-15PR MSP-20PR MSP-30PR MSP-40PR MSP-50PR MSP-75PR MSP-100PR
Rating @ 50% Duty Cycle (KVA): 15 20 30 40 50 75 100
Throat Depth (mm): 460 460 460 460 460 460 400
Nominal Throat Clearance (mm): 220 220 220 220 350 350 350
Welding Range: S.S. / M.S. Sheet   2 x mm: 3 to 0.3 3.25 to 0.32 3.75 to 0.6 4.0 to 0.8 4.5 to 1 4.5 to 1 6 to 1
Max. available short circuit currents (KA) 8 9 12 14 20 24 28
Insulation Class: F F F F F F F
Nominal Electrode Force - Approximate - (kgc.)  1 - 2 1 - 3 1 - 4 2 - 4 2 - 5 2 - 5 2 - 5
Electrode Stroke Max. (mm): 40 40 40 40 50 50 50
Mains Supply Voltage: 415 415 415 415 415 415 415
Phases (nos.) 2 2 2 2 2 2 2
Mains Supply Cable Size (Copper mm2): 15 20 25 25 50 50 100
Mains Disconnection Switch (A): 40 50 75 100 150 200 250
Water at max. temperature of 30oC (Liters/min.) 3 3.5 3.5 4 4 4 5
Contact Welders for Contactors, Relays, etc. 
Pneumatically Operated High Precision Bench Mounted

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Features:
- Air Cooled Resistance Welding Transformer
- 4 sequence timers provided for squeeze, weld, forge and off or repeat operations
- Current Control by Transformer Taps. Welding Transformer primary winding provided with taps to allow adjustment of welding current in 6 steps from 55% to 100%
- Weld Initiation by means of Foot Switch connected to low voltage safe initiating circuit
- Upper electrode actuated via a quick follow through device by a heavy duty two-way pneumatic cylinder, controlled by a electrically operated 4-way solenoid valve. Compressed air at 15 to 80 psi (1.06 - 5.62 kgs/cm2)  acting on the pneumatic cylinder provides the necessary electrode force.
- Machine provided with air filter, air lubricator, air pressure regulating valve with gauge throttle valve to prevent the initial impact on electrode closing and all internal air connections 
- Adjustment of Electrode Force by air pressure regulating valve provided
- Adjustment of electrode stroke by vertical adjustment of electrode holders 

Applications:
- Most suitable for making precision spot or projection welds on components requiring short duration high current pulses, such as in welding of silver contacts to brass, Tungsten contacts to steel, Phosphor Bronze to M.S., Spring Steel to M.S., Copper Lead to Aluminium Foils, Copper Lead to Brass Tags, Bi-Metal (S.S. - Brass Copper) etc.

Specifications:
Model: MCW-3H MCW-10H MCW-15H MCW-30H
Nominal Rating (KVA): 3 10 15 30
Throat Depth (mm): 150 150 150 150
Approx. Working Height (mm): 750 750 750 750
Max. Upper Electrode Stroke (mm): 25 50 50 50
Vertical adjustability of lower electrode holder - up & down (mm): 25 50 50 50
Max. Available Currents (Short Circuit) (Amps): 3000 8000 10000 12000
Standard Cylinder Size (mm): 50 65 75 100
Max. electrode force (Kg/cm2): 1.5 2 2.5 4
Air Consumption @ 100 operations per minute (Ltrs/sec): 1.62 7.5 7.5 13
Cooling Water Required (Ltrs/min): 3 5 10 15
Mains Supply Disconnect Switch Rating (Amps): 15 25 40 70
Main Supply Cable Size (Copper mm2): 8 12 15 25
Net Weight (kgs.): 140 170 200 270
High Precision Spot Welding Machines - Electronically Controlled

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Features:
 - Current Control by means of 3 primary and 3 secondary taps on the transformer to provide welding current adjustment in 9 steps. Primary Taps (High / Low / Medium) manipulated by a heavy duty snap action rotary switch
- Weld Pressure provided by a sensitive spring carried on the welding head and regulated by a finely threaded large nut from 2 to 80 lbs. Only a fraction of the actual electrode force required on the padel due to the lever arrangement provided. 
- Weld Initiation by means of a Switch which initiates the weld only after preset pressure is built
- Specially designed low leakage reactance, air cooled transformer having specially insulated coils
- Solid State Electronic Timer provided. Timings: Short Range 5 - 50 cycles. Long Range 1 - 10 seconds (50 to 500 cycles)

Applications:
- Specially designed for precision welding work as encountered in manufacture of Vacuum Tubes, Instruments, Dentures, Fountain Pen Nibs, Artificial Jewelry, Spectacle Frames, Bulb Filaments, etc.
- A versatile machine capable of tackling delicate welds and also M.S. rods up to 12 SWG
- Capable of Welding Stainless Steel, Brass, Phosphor, Bronze, Alloy Steels, etc.

Specifications:
Model: MSP-3
Rating @ 50% Duty Cycle (KVA): 3
Throat Depth (mm): 150 - 200 mm
Throat Height (mm): 100
Electrode Gap (mm): 10 to 3 mm
Max. available short circuit currents @ 15% Duty Cycle (Amps): 3600
Mains Supply Voltage: 220
Phases (nos.) 1
Net Weight (kgs.): 110

WELDABILITY 

 Low Carbon Steel (MS) Stainless Steel (SS) Brass
SWG TPW* per min. SWG TPW* per min. SWG TPW* per min.
Sheet Min. 56 43 58 43 58 10
Max. 16 7 16 10 28 4
Wire Min. 30 56 26 66 20 20
Max. 12 5 20 28 14 11

*TPW - Thermally Permissible Welds

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Maneklal and Sons (Exports)
237 / 239 Perin Nariman Street Fort, Mumbai - 400 001, INDIA
Tel: (+91 22) 22618951 / 22618962    Fax: (+91 22) 22618903
e-mail: sales@maneklalexports.com / maneklalexports@gmail.com

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