Product Description

Water Cooled, Air and Foot Operated Rocker Arm and Press Type

Rocker Arm and Press Type Spot Welders Model 4626NA Vertical Press
Model 4626NA Vertical Press
50 KVA Spot Welder Features:

  • Rugged welded steel frame.
  • Built in microprocessor control with dual current, dual weld time, upslope and pulsation.
  • Digital phase shift weld current adjustment from 20% to 100% for precision welding.
  • Maintenance free solid state SCR contactor.
  • Dual voltage 220V-440V/single phase/60 Hertz output welding transformer.
  • Soft-touch control pad with LED function and value indicators.
  • Adjustable throat depth on the Rocker Arm.
  • Speed control adjustment.
  • Two stage electric foor switch with the option to add a second footswitch for dual current on the air rocker.
Rocker Arm and Press Type Spot Welders Model 4622NA Rocker-Arm Type
Model 4622NA Rocker-Arm

 

Rocker Arm and Press Type Spot Welders Model 4603NA Water-Cooled Foot Rocker
Model 4603NA
Water-Cooled Foot Rocker
Rocker Arm Spot Welder Features:

  • Rugged welded steel frame.
  • Built in microprocessor control with dual current, dual weld time, upslope and pulsation.
  • Digital phase shift weld current adjustment from 20% to 100% for precision welding.
  • Maintenance free solid state SCR contactor.
  • Dual voltage 220V-440V/ single phase / 60 Hertz output welding transformer.
  • Soft-touch control pad with LED function and value indicators.
  • Adjustable throat depth:
    Model LTR 4603NA-9″ to 21 1/2″
    Model LTR 4608NA-9″ to 21 1/2″
  • Universal arms for 90º or inclined tip holder position.
  • Speed control adjustments on the air rocker.
  • Two stage electric footswitch with the option to add a second footswitch for dual current on the air rocker.
 Rocker Arm and Press Type Spot Welders Model 4608NA Water-Cooled Air Rocker
Model 4608NA
Water-Cooled Air Rocker

SPECIFICATIONS: MODELS LTR 4622NA & 4626NA

MODEL LTR 4622NA LTP 4626NA
 KVA RATING @ 50% DUTY CYCLE: 50 KVA 50 KVA
 MAXIMUM SHORT CIRCUIT CURRENT (A): 21,400 A 17,900 A
 SECONDARY VOLTAGE (V) NO LOAD: 6.3 V 6.3 V
 FORCE RATINGS
Maximum Throat
Minimum Throat
472 lbs.
955 lbs.
674 lbs.
———–
 ELECTRICAL CONNECTIONS*DUAL VOLTAGE 220V – 440V / 1 / 60 220V – 440V / 1 / 60
 RECOMMENDED CABLE
For not more than 5% voltage drop in 100 ft.
                       220V/1 PH                                          440V/1 PH
4/0 AWG                                              1 AWG
 FUSE RATING (Long Delay Type) 150A 80A
 WELDER CONTROL: Built-in digital solid state microprocessor control with LED display and indicators. Parameters include squeeze, weld, hold, off times, dual currents, pulsation, upslope and single spot or auto repeat functions.  Features weld current compensation.  Phase shift adjustable from 20% to 100%, weld time adjustable from 1 to 99 cycles to allow precision welding.  Uses a maintenance-free SCR contactor.
 ELECTRIC FOOTSWITCH INITIATION: Machines come standard with one dual stage electric footswitch with a second footswitch receptacle for dual current operation.
 FEATURES: Combination air filter and pressure regulator with gauge.  Lubrication-free air cylinder. Shaft of hard chrome plated steel for high production and long life. Standard high-lift retraction stroke air cylinder on vertical press type provides extra tip clearance.  3″ maximum opening.  Standard adjustable throat depth on rocker arm type permits adjustment from 11″ to 25-5/8″.  Adjustable stroke.
 ARM DIAMETER: 2″ Diameter
 ELECTRODE HOLDERS: 1″ Diameter
 ELECTRODE TIPS: #2 Morse Taper / #5 RWMA
 DISTANCE BETWEEN ARMS: 11″ (280 mm)
 NET WEIGHT: Rocker Arm: 424 lbs.                   Vertical Press: 440 lbs.
Specifications are subject to change without notice.
SPECIFICATIONS: MODELS LTR 4603NA & LTR 4608NA
 TRANSFORMER: Water Cooled, Dual Voltage Compact High-Output Type
 KVA RATING: @ 50% Duty Cycle:
Maximum Short Circuit
20 KVA
40 KVA
 SECONDARY CURRENT (A) Short Circuit: 15,000
 SECONDARY VOLTAGE (V): 2.75 – 3.8
 ELECTRICAL CONNECTIONS: 220V-440V / 1 PHASE / 60 Hz
 RECOMMENDED CABLE:
For not more than 5% Voltage drop in 100 feet
220 V
1 AWG
440 V
6 AWG
 FUSE RATING: 70A 40A
 WELDER CONTROL: Built-in digital solid state microprocessor control with LED display and indicators. Parameters include squeeze, weld, hold, off times, dual currents, pulsation, upslope and single spot or auto repeat functions.  Features weld current compensation.  Phase shift adjustable from 20% to 100%, weld time adjustable from 1 to 99 cycles to allow precision welding.  Uses a maintenance-free SCR contactor.
 INITIATION: Foot rockers (4603) uses manual footswitch.  Air rocker comes standard with one dual stage electric footswitch with a second footswitch receptacle for dual current operation.
 ELECTRODE HOLDERS: 1″ Diameter
 ELECTRODE TIPS: #2 MT / #5 RWMA
 DISTANCE BETWEEN ARMS: 4603NA: 8-5/8″                         4608NA: 9″
 STROKE ADJUSTMENTS: LTR 4603NA: Min. throat: 0″ to 1-5/8″  Max throat: 0″ to 3-1/4″
LTR 4608NA: Min. throat: 0″ to 1-3/4″  Max throat: 0″ to 4″
 WEIGHT: 4603NA: 268 lbs. 4608NA: 270 lbs.