TECNA, 6075 MFDC Series Press / Projection Welder (56kVA)

TECNA 56 kVA MFDC Press / Projection Welder – Model 6075 is designed to meet every need of spot welding. The frame of this line of machines has been designed by TECNA so to facilitate the operator’s work. The control unit, the pneumatic commands and the pressure gauge have been placed at the top so to enable the operator to use them smoothly. The inverter technology, which these machines are provided with, allows a higher welding quality, an extreme precision in time and current and a reduction in costs, installation ones included. The welding time is adjusted in milliseconds thus allowing the best set-up. The welding current is supplied continuously and constantly and is not affected by the dimensions of the welding circuit.  

TECNA 56 kVA MFDC Press / Projection Welder – Model 6075 is designed to meet every need of spot welding. The frame of this line of machines has been designed by TECNA so to facilitate the operator’s work. The control unit, the pneumatic commands and the pressure gauge have been placed at the top so to enable the operator to use them smoothly. The inverter technology, which these machines are provided with, allows a higher welding quality, an extreme precision in time and current and a reduction in costs, installation ones included. The welding time is adjusted in milliseconds thus allowing the best set-up. The welding current is supplied continuously and constantly and is not affected by the dimensions of the welding circuit.  

• FEATURES
• SPECIFICATIONS
• OPTIONS
• CONTROL UNITS

• Medium frequency welders, designed to obtain high quality welding.
• Modular design of mechanical structure, arms, brackets, cylinders.
• Cylinder with chrome plated stem for heavy duty works and long life; adjustable anti-rotation device.
• Lubrication free pneumatic components to eliminate oil mist and to protect the environment.
• Adjustable double-stroke cylinder with key control.
• Built-in compressed air filter unit. Compressed air disconnection device.
• Water-cooled transformer, plates, electrode-holders and electrodes; transformer with epoxy resin coated windings.
• Two stage electric foot control for clamping and welding pieces only if correctly positioned.
• Pre-setting for additional double stage electric foot switch connection for the direct recalling of a different welding program.
• Arranged for all models: two-hand safety control with timer and removable key selector, assuring the best safety. The two-hand control device is standard on projection models only (it is available upon request on spot welder models).
• Emergency push-button to stop the machine immediately.

* Features and specifications may vary, and are subject to change without notice

SPECIFICATION	UNITS	WTP-6075	WTP-6075A	WTP-6075 w/8031	WTP-6075A w/8031
Spot Welder		Spot	Spot	Spot	Spot
Projection Welder		Projection	Projection	Projection	Projection
Standard Control		TE751	TE700	TE751	TE700
Power @ 50% Duty Cycle	kVA	56	56	56	56
Max Power	kVA	200	200	200	200
No-Load Secondary Voltage	V	8.4	8.4	8.4	8.4
Short Circuit Current	A	25,000	25,000	25,000	25,000
Thermal Current @ 100%	kA	4.9	4.9	4.9	4.9
Supply Voltage (3-Phase @60Hz)*	V	440	440	440	440
Delayed Fuses @ 440VAC	A	50	50	50	50
Primary Cables Ø (up to 30m)	mm²	25	25	25	25
Compressed Air Supply	psi (bar)	94.3-145 (6.5-10)	94.3-145 (6.5-10)	94.3-145 (6.5-10)	94.3-145 (6.5-10)
Air Consumption per 1000 Spots @ 94.3 PSI (650kP / 6.5 bar)	SCF (N/m³)	307-92 (8.7-2.6)	307-92 (8.7-2.6)	307-92 (8.7-2.6)	307-92 (8.7-2.6)
Throat Depth – To Electrode Holders	in (mm)	15.7 (400)	15.7 (400)	19.7 (500)	19.7 (500)
Throat Depth – To Tooling Platens	in (mm)	11 (280)	11 (280)	15 (380)	15 (380)
Max Electrode Force @ 94 psi (6.5 bar)	lbs. (daN)	1034 (470)	1034 (470)	1034 (470)	1034 (470)
Working Stroke	in (mm)	0.2-3.2 (5-80)	0.2-3.2 (5-80)	0.2-3.2 (5-80)	0.2-3.2 (5-80)
Adjustable Retraction Stroke (Standard)	in (mm)	0.0-3.2 (0-80)	0.0-3.2 (0-80)	0.0-3.2 (0-80)	0.0-3.2 (0-80)
Water Cooling @ 36 psi (250 kP / 2.5 bar)	gpm (lpm)	1.6 (6)	1.6 (6)	1.6 (6)	1.6 (6)
Min/Max Water Pressure	psi (bar)	36-58 (2.5-4)	36-58 (2.5-4)	36-58 (2.5-4)	36-58 (2.5-4)
Aerial Noise Produced	dB(A)	<70	<70	<70	<70
Measured Conditions
Working Stroke	in (mm)	1.9 (50)	1.9 (50)	1.9 (50)	1.9 (50)
Welding Time	ms	380	380	380	380
Welding Current	kA	18.8	18.8	18.8	18.8
Working Rating (Welds per Minute)	#/min	6	6	6	6
Ø Arms	in (mm)	2.4 (60)	2.4 (60)	2.4 (60)	2.4 (60)
Ø Electrode Holders	in (mm)	1.26 (32)	1.26 (32)	1.26 (32)	1.26 (32)
Electrode Taper Size		5RW/2MT	5RW/2MT	5RW/2MT	5RW/2MT
Tooling Platen T-Slot Spacing
T-Slot Spacing	in (mm)	1.77 (45)	1.77 (45)	1.77 (45)	1.77 (45)
Bolt Size	in (mm)	0.315 (8)	0.315 (8)	0.315 (8)	0.315 (8)
Net Weight	lbs (kg)	616 (280)	616 (280)	649 (295)	649 (295)
Dimensions LxWxH	in	44.1 x 16.5 x 73.4	44.1 x 16.5 x 73.4	52.0 x 16.5 x 73.4	52.0 x 16.5 x 73.4
	(mm)	(1120 x 420 x 1838)	(1120 x 420 x 1838)	(1320 x 420 x 1838)	(1320 x 420 x 1838)
*May be supplied capable of operating on other voltages/frequencies. Please ask for details.

Item 6073	Item 6074	Item 6075	Item 6073A	Item 6074A	Item 6075A	Photo	Description
							Adjustable double stroke.
							Item 8030 Valve to stop the flow of the water cooling when the machine is off and flow switch which makes the welder stop if the cooling water does not circulate.
							Item 8031 Longer arms length for item 6075 (L=500 D=380).
							Item 8033 Double stroke control device with pneumatic foot instead of key one. To be used only for spot welding when the work necessarily requires it.
							Item 8037 Proportional valve. Allows to adjust the working pressure directly from the control unit and to combine a proper pressure value to each program. Assures constant and accurate working pressure. It can be used only on welders equipped with TE700 control unit.
							Item 8038 Position sensor. It can be used only on welders equipped with TE700 control unit.
							Item 8042 Rotary selector for recalling the welding programs. It can be used only on welders equipped with TE700 control unit.
							Item 8043 Electrodes descent without pressure for both maintenance and set-up
							Item 73070 Additional double stage electric foot switch for the direct recalling of a different welding program. L=1.4 m.
							Item 73038 Additional double stage electric foot switch for the direct recalling of a different welding program. L=2.4 m.
							Item 50214 Serial interface RS232, enabling the connection with a serial printer or a personal computer for production data recording.
							Item 6033 USB interface board.
							Item 72628 Two-hand safety control on pedestal, adjustable height. Recomended for the operator safety according to the working requirements.

=Standard =Upon request

Feature	TE751	TE700
Ammeter
Parameters No.	16	26
Programs No.	150	250
Welding programs recallable from foot pedal	2	2
RS232 Interface
USB Interface
Constant current
Stepper function
Constant energy
Two-hands input
Higher and lower current limits

=Standard =Upon request