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Products

Welding power supply

Resistance welding measurement devices

Welding heads

Spot welding and reflow soldering

 Foot-operated weld head (Small pressurization welding head)

MH-L01A, MH-86AF
MH-86AF image
  • Typical electrode by different applications

Two types of driving methods are available: a pneumatic and a foot-operation.

It ensures that the pre-set force is applied to the workpieces on applying the electricity.

 

Upper/lower limit stopper mechanisms (For the MH-L01A, a lower limit stopper only)

Since the up/down strokes can be restricted by the upper/lower limit stoppers, the total welding times can be reduced.

 
Provides stable resistance welding with high reliability at a reasonable price

 Foot-operated weld head (General weld head)

MH-80BF, MH-21AC, MH-31AC
MH-31AC image
 

Superior tracking

The moving section of the head is light in weight and, unnecessary movement is eliminated, so it catch-up with an expansion and contraction of the workpiece during welding.

Durable structure

Superior durability provides stable welding quality with excellent reliability.

 

Stable welding with no electrode shaking(MH-80BF)

The upper electrode holder has a linear shaft & bearing and rotation stopper bearing mechanism, which provides a superior structure with no shaking. This prevents shaking of the electrode during welding even at the maximum pressurization.

Upper/lower limit stopper mechanism(MH-80BF，MH-180A)

Since the upper and lower limit stopper mechanisms can restrict the top and bottom of the stroke, welding times can be shortened.

 

Head specifications

Model name MH-86AF
Use Parallel gap welding / reflow soldering
Actuation type Foot-actuated *1
Electrode force 1.1 - 89N (Approx. 0.12 - 9.0kgf): Stepless adjustment
Weld force method Spring forced
Applicable electrode type Unibond electrode/Unichip electrode *2
Stroke distance 25mm
Throat depth 132mm
Maximum rated voltage 2kVA (at 8% duty cycle)
Mass 2.5kg

*1: Options: Cable pedal (CP) *2: Options: Electrode

Model name MH-80BF MH-21AC MH-31AC
Electrode force 2.2 - 89N(0.23 - 9.0kgf)Stepless adjustment 19.6 - 137.3N(2 - 14kgf)Stepless adjustment 49 - 274.5N(5 - 28kgf)Stepless adjustment
Weld force method Spring forced
Electrode diameter φ3mm φ4mm or φ6mm φ8mm
Electrode driving method foot-actuated *1 Air-actuated *2
or foot-actuated *3
0.35Mpa min.
Stroke distance 25mm 20mm
Throat depth 135mm 89mm 99mm
Solenoid power supply voltage - AC100V, 110V, 200V, 220V, DC24V *2
Supply air pressure - 0.35 - 0.5MPa *2
Mass 3.2kg 3.5kg 5.5kg

*1 Option: Cable pedal (CP)
*2 Option: Air pressure unit (MK-105A), cylinder drive unit (MK-106A)
*3 Option: Foot press pedal (MA-21)

Model name MH-L01A-01 MH-L01A-04
Use Reflow soldering Spot welding
Actuation type Foot-actuated *1
Electrode force 0.5 - 10N: Stepless adjustment
Weld force method Spring forced
Applicable electrodes Heater electrode *2 Cr-Cu alloy (φ3mm) *2
Stroke distance 12mm
Throat depth (minimum) 81mm 90mm
Maximum rated voltage 0.7kVA (at 3% duty cycle)
Dimensions (mm) *3 80(W) X 171(D) X 310(H)
Mass 2.0kg

*1: Options: Cable pedal (CP), *2: Options: Electrode, *3: Projections on the rear not included

The specification and external design are subject to change without notice.

 
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