K - KP

Resistance welding

K - KP

ROCKER ARM SPOT WELDERS

ADJUSTABLE HEIGHT LOWER ARM

K-KP series resistance spot welders, versatile, robust and easy-to-use, ensure best welding results on any weldable metal and are the most ideal solution for all spot welding applications. K-KP models are supplied either mechanical or air operated:

K is mechanically operated pedal
KP is pneumatically operated by electrical pedal.

K – KP lower arm fitted with pressed-in electrode (optional)

Whenever the lower arm is fitted with a pressed-in
electrode, also a long electrodeholder is necessary on the upper arm.

Other characteristics

Excellent welding on all weldable metals
Welding current and time electronic adjustments
Synchronous ignition SCR group with phase shift welding current adjustment to eliminate initial transient
Reduced consumption
Water cooled arms
Water cooled copper electrodeholders with adjustable height
Self-lubricated pneumatic components to eliminate oil deposits and to safeguard the environment from contaminants (KP)
High versatility thanks to all different possible work configurations
Lower arm with adjustable height which can be rotated for use with a longer electrodeholder (Optional K/KP)

Technical features

FLEXIBLE PRODUCTION K-KP

This is the most suitable solution whenever is required an extreme flexibility.

PRESSED-IN ELECTRODE USE

Perfect solution for narrow spot welding and cylinder.

WS 750 STD

WS 750 is a microprocessor welding control for resistance welding machines with 100 programs/JOBs developed for spot, projection and butt-welding applications. The combination of 3 displays, 6 keys and LEDs allow a user friendly parameterization and configuration.
The LEDs have the function of showing the status of the welding cycle and to set the correct parameters of the welding JOB.
An USB port enables the backup of the welding JOBs, firmware updates and the saving of the welding logbook in Excel format.
WS 750 is available in 2 different configurations: STANDARD and ADVANCED.

WS 750 in STANDARD version allows to manage the main welding parameters for spot welding applications.
Additionally, the WS 750 ADVANCED allows to measure the welding current which enables the quality control of the cycle by selecting the min./max. current, and to adjust the welding force by using a proportional valve (optional).

Available accessories

Discover all available accessories

Configurator

K/KP22: Set of arms 455mm

Set of arms 455 mm cooled Ø 40 mm

K/KP 22: Set of arms 600mm

Set of arms 600 mm cooled Ø 40 mm

K/KP 28: Set of arms 455mm

Set of arms 455 mm cooled Ø 45 mm

K/KP 28: Set of arms 800mm

Set of arms 800 mm cooled Ø 45 mm

K/KP 48: Set of arms 1000mm

Set of arms 1000 mm cooled Ø 50 mm

K/KP 48: Set of arms 490mm

Set of arms 490 mm cooled Ø 50 mm

K/KP 48: Set of arms 700mm

Set of arms 700 mm cooled Ø 50 mm

K/KP 22: Upper Arm 455mm

Upper Arm Length: 455 mm Ø: 40mm

K/KP 22: Pressed-in Arm 455mm

Inferior Straight Arm 455 mm (Useful Length: 200 mm)

K/KP 22: Upper Arm 600mm

Upper Arm Length: 600 mm Ø: 40mm

K/KP 22: Pressed-in Arm 600mm

Inferior Straight Arm 600 mm (Useful Length: 345 mm)

K/KP 28: Upper Arm 455mm

Upper Arm Length: 455 mm Ø: 45mm

K/KP 28: Pressed-in Arm 455mm

Inferior Straight Arm 455 mm (Useful Length: 200 mm)

K/KP 28: Upper Arm 800mm

Upper Arm Length: 800 mm Ø: 45mm

K/KP 28: Pressed-in Arm 800mm

Inferior Straight Arm 800 mm (Useful Length: 545 mm)

K/KP 48: Upper Arm 490mm

Upper Arm Length: 490 mm Ø: 50 mm

K/KP 48: Pressed-in Arm 490mm

Inferior Straight Arm 490 mm (Useful Length: 205 mm)

K/KP 48: Upper Arm 700mm

Upper Arm Length: 700 mm Ø: 50mm

K/KP 48: Pressed-in Arm 700mm

Inferior Straight Arm 700 mm (Useful Length: 415 mm)

K/KP 48: Upper Arm 1000mm

Upper Arm Length: 1000 mm Ø: 50mm

K/KP 49: Pressed-in Arm 1000mm

Inferior Straight Arm 1000 mm (Useful Length: 715 mm)

IR 14 400V

Water cooling equipment IR 14 400 V

Water cooling connection Kit

Z/ZP 18/28 - K/KP 22/28: Set electrodeholders

Set electrodeholders with electrodes

K/KP 48 /BSW 50: Set electrodeholders

Set electrodeholders with electrodes

Z/ZP 18/28 - K/KP 22/28: Longer Electrodeholder

Longer Electrodeholder complete with electrode

K/KP 48: Longer Electrodeholder

Longer Electrodeholder complete with standard electrode

Set of standard electrodes-6pcs

Set of 6 standard electrodes – Ø 16 mm

Z/ZP 18/28 - K/KP 22/28: Set of pipe tips 65mm

Set of pipe tips with electrodes depth 65 mm

K/KP 48: Set of pipe tips 65mm

Set of pipe tips with electrodes depth 65 mm

Z/ZP 18/28: Barholders 100mm

Barholders with 100 mm bars

K/KP 48: Barholders 100mm

Barholders with 100 mm bars

Pedal

Single pedal for welding start

2 Pedals

2 pedals (2 times – 2 welding currents)

2 Step pedal

2 step pedal (1st step: squeeze, 2nd step: welding)

2 Double Step pedals

2 double step pedals (2 pedals, boths with: 1st step: squeeze, 2nd step: welding)

Gallery

K - KP at work

Datasheet

K - KP: Technical features

TECHNICAL DATA		K 22 KP 22	K 28 KP 28	K 48 KP 48
Single phase input 50/60 Hz	V	400	400	400
Nominal maximum power	kVA	20	25	45
Max. welding power	kVA	36,5	54,7	75
Installed power	kVA	12	14	24
Fuse (delayed action)	A	25	36	63
Secondary voltage	V	3,5	4,2	5,2
Secondary short circuit current	kA	11,6	14	17,8
Max. welding current	kA	9,3	11,2	14,2
Electrode force at 600kPa (6bar)	da N	180	300	280
Water consumption at 300kPa (3bar)	l/min	3,8	3,8	3,8
Dimensions (LxWxH)	mm	980 x 330 x 1200	980 x 390 x 1250	1020 x 390 x 1250
Weight	kg	120	167	194

K – KP STANDARD VERSION DIMENSIONS

		K 22 KP 22	K 28 KP 28	K 48 KP 48
A	mm	455	455	490
A (Optional)	mm	600	600	700
A (Optional)	mm	800	800	1000
B – MIN	mm	173	168	163
B – MAX	mm	410	443	438
C	mm	255	255	285
	Ø mm	40	45	50
	Ø mm	21	21	25
	Ø mm	16	16	16
		10%	10%	10%

K – KP PRESSED-IN ELECTRODE VERSION DIMENSIONS

		K 22 KP 22	K 22 KP 22	K 28 KP 28	K 28 KP 28	K 48 KP 48	K 48 KP 48	K 48 KP48
A	mm	455	600	455	800	490	700	1000
L1	mm	252	397	252	597	257	467	767
Ø1 Min	mm	60	60	63	63	65	65	65
L2	mm	280	429	289	643	295	505	805
Ø2 Min	mm	85	85	90	90	98	98	98
L3	mm	397	542	402	747	427	637	937
Ø3 Min	mm	180	180	185	185	205	205	205