Capacitor Discharge Spot/Press Welders | Heron Intelligent Equipment

40KJ Capacitor Discharge Welder

Good rigidity, compact design and low space occupation.Comply with European CE and North American CUL standards. Modular design, easy to use and maintain. he welded workpieces are car door frame,car seat slide,water heater inlet and outlet pipe,dishwasher liner, etc.

35KJ Capacitor Discharge Welder

Powerful current pulse can be output in 5~30 ms.Small heat-affected zone of the weld, low energy and electrode loss. With a charging time of only 1 second, this product boasts exceptional productivity.

30KJ Capacitor Discharge Welder

High configuration capacitor discharge resistance welding machine is mainly applied to screw nut and multi spot projection welding process and has unique advantage in hot-forming steel and galvanized steel screw nut projection welding.

25KJ Capacitor Discharge Welder

The H Type CDW Spot & Projection Welder DR-25000J with roller ram, and strong frame, which ensure good spot and projection welding process reliable, and the maximum shortcut current can be 1000KA.

20KJ Capacitor Discharge Welder

The power of our resistance welding machine is ranging from 10KJ to 120KJ.The maximum short circuit current of our welding machine is ranging from 90KA to 1000KA.One-stroke cylinder is standard configuration of our welding machine. Besides, double-stroke cylinder and servo electric cylinder is also compatible with our welding machine, which are optional for customers.

15KJ Capacitor Discharge Welder

Highly configurable capacitor discharge resistance welders are primarily used in the nut and multipoint projection welding process, offering unique advantages in the projection welding of hot formed steel and galvanized steel nuts.

10KJ Capacitor Discharge Welder

The maximum short circuit current of our welding machine is ranging from 90KA to 1000KA.
At air pressure of 6bar, the welding pressure of our welder is ranging from 15KN to 240KN.
Roller ram is one of standard configuration of the type of welding machine.

6KJ Capacitor Discharge Welder

This capacitor discharge resistance spot welding and projection welding machine is mainly applied to precise spot welding and small screw nut projection welding process.

4.5KJ Capacitor Discharge Welder

CDW H series capacitor discharge welders and real-time quality control systems are designed to improve the continuous reliability of welding quality. In addition, the system supports the transfer of welding parameters to an external computer during the welding process.

3KJ Capacitor Discharge Welder

This capacitor discharge resistance welding machine is mainly applied to screw nut and multi spot projection welding process and has unique advantage in hot-forming steel and galvanized steel screw nut projection welding.

Capacitor discharge welder

Main features

Designed for high-precision projection welding, Capacitor Discharge Welders provide reliable welding quality for dissimilar and hard-to-join metals. Heron's CD Welders operate with small heat affected zone and minimal water cooling, providing significant environmental and cost advantages.

Advantages of the process

Low demand on power grid

No need for water cooling

Shortest welding time

High repeatability

High precision

Machine types

CD Welding Machines from 3KJ to 150KJ

Heron' s selection of CD resistance welding solutions ranges from 3KJ to 150KJ. Join metals with Heron' s medium voltage CD welding technology for efficient, safe and high-quality welding!

3/4.5/6KJ

L series

10/15/20KJ

25/30/35/40KJ

H series

80-150KJ

Custom

L Series Capacitor Discharge Welder-3KJ/4.5KJ/6KJ

Choose based on your industry application, from a range between 3KJ to 6KJ power supply.

L series

Features

Our L Series capacitor discharge projection welder is mainly applied to small screw nut projection welding, and has unique advantages in hot-stamping steel and galvanized steel screw nut projection welding.

Benefits

With features like short welding time, small heat affected zone, lower energy consumption, slow electrode loss, you can save significant manufacturing costs.

Model #		DR-3000	DR-4500	DR-6000
Volume of capacitor	μf	30000	45000	60000
Power Supply	V/Φ/Hz	380V / 3P/ 50Hz or 480V / 3P/ 60Hz
Max. Primary Current	A	23	26	40
Primary Cable	MM2	316+26	316+26	316+26
Max. Short Circuit Current	KA	28	38	58
Rated Duty Cycle	%	50	50	50
Secondary Voltage	V	10	10/11.4	11/12
Welding Cylinder Size	*ΦL**	Φ125*100	Φ140*100	Φ160*100
Max. Force/5Bar	N	6100	7600	10000
Throat Depth	MM	450	450	450
Arm Gap	MM	315	315	315
Dimensions	H(MM)	1874	1874	1874
	L(MM)	1245	1245	1245
	W(MM)	805	805	805
*Package size (HLW)*	MM	H+150, L+200, W+200
Weight	Kg	849	990	1118
Standard Configurations	Operation	Food Pedestal Start
	Control	Heron HRC-211
	Components	Heron Round Cylinder Airtac Pneumatic Components EACO capacitors
Add-Ons		▢ PLC and Touch Screen ▢ Quality Monitor ▢ Safety Fences ▢ Single or Double-handed Start ▢ Optional Configurations Available on Request

H Series Capacitor Discharge Welder-10KJ/15KJ/20KJ

Choose based on your industry application, from a range between 10KJ to 20KJ power supply.

H series

Features

Our H Series capacitor discharge projection welder is equipped with a roller ram cylinder and sturdy frame, which guarantees a reliable projection welding process. Widely utilized in crucial components of the automotive body structure, such as the car door beam, front and rear bumpers, A-pillars, B-pillars, and car roof cover.

Benefits

This series of capacitor discharge welders can be coupled with a real-time quality control system, which supports the transmission of welding parameters to an external computer – making it a versatile and efficient solution for your welding needs.

Model #		DR-10000	DR-15000	DR-20000
Volume of capacitor	μf	20000	30000	40000
Power Supply	V/Φ/Hz	380V / 3P/ 50Hz or 480V / 3P/ 60Hz
Max. Primary Current	A	48	62	83
Primary Cable	MM2	316+26	325+116+1*6	325+116+1*6
Max. Short Circuit Current	KA	75	100	130
Rated Duty Cycle	%	50	50	50
Secondary Voltage	V	11/13/16.7	13/15/18	13.6/15.7/17.8/22.2
Welding Cylinder Size	*ΦL**	Φ140*150	Φ160*150	Φ200*150
Max. Force/5Bar	N	7600	10000	15000
Throat Depth	MM	500	500	500
Arm Gap	MM	400	400	400
Dimensions	H(MM)	2299	2299	2299
	L(MM)	1510	1510	1510
	W(MM)	1159	1159	1487
*Package size (HLW)*	MM	H+150, L+200, W+200
Weight	Kg	2224	2386	2762
Standard Configurations	Operation	Double-Handed Start
	Control	Heron HRC-211
	Components	Heron Roller Ram Cylinder FESTO Pneumatic Components IFM Flow Switch Mitsubishi PLC and 7-inch Kunlun Touchscreen
Add-Ons		▢ Siemens PLC & Touch Screen ▢ Quality Monitor ▢ Safety Fences ▢ Light Curtain ▢ Other Configurations Available on Request

H Series Capacitor Discharge Welder-25KJ/30KJ/35KJ/40KJ

Choose based on your industry application, from a range between 25KJ to 40KJ power supply.

H series

Features

Our H Series capacitor discharge projection welder offers a top-notch solution with excellent rigidity, compact design and minimal space occupation. This versatile machine is perfect for multi-point projection welding, ring projection welding, and compatible with large size parts. Whether it's car door frames, car seat slides, water heater inlet and outlet pipes, dishwasher liners and more, this welder is the ideal choice for all your welding needs.

Benefits

This series of capacitor discharge welders is designed to fully comply with European CE and North American CUL standards. Guaranteed clean and reliable welds and charging time is just only 1 second.

Model #		DR-25000	DR-30000	DR-35000	DR-40000
Volume of capacitor	μf	50000	60000	70000	90000
Power Supply	V/Φ/Hz	380V / 3P/ 50Hz or 480V / 3P/ 60Hz
Max. Primary Current	A	100	120	140	160
Primary Cable	MM2	350+116+1*6	350+116+1*6	350+116+1*6	350+116+1*6
Max. Short Circuit Current	KA	155	175	200	220
Rated Duty Cycle	%	50	50	50	50
Secondary Voltage	V	15/17/20/26.6	15/17/20/26.6	30/24/35/48	17/22/27/30
Welding Cylinder Size	*ΦL**	Φ200*150	Φ200*150	Φ200*150	Φ300*150
Max. Force/5Bar	N	15000	24000	24000	35000
Throat Depth	MM	400	400	400	400
Arm Gap	MM	400	400	400	400
Dimensions	H(MM)	2310	2441	2504	2504
	L(MM)	1500	1500	1500	1500
	W(MM)	1497	1497	1497	1497
*Package size (HLW)*	MM	H+150, L+200, W+200
Weight	Kg	3851	4038	4038	4019
Standard Configurations	Operation	Double-Handed Start
	Control	Heron HRC-211
	Components	Heron Roller Ram Cylinder FESTO Pneumatic Components IFM Flow Switch Mitsubishi PLC and 7-inch Kunlun Touchscreen
Add-Ons		▢ Siemens PLC & Touch Screen ▢ Quality Monitor ▢ Safety Fences ▢ Light Curtain ▢ Other Configurations Available on Request

L series and H series capacitor discharge welder

L Series Capacitor Discharge Welder

H Series Capacitor Discharge Welder

Current curve determines the welding quality

Capacitor discharge curve

Can satisfy the demand for continuous increase of welding current

Continuous increase of the molten pool after the projection melting due to the decrease of contact resistance

Overcoming the shortcomings of the traditional AC and MFDC constant current output curve

The medium-voltage capacitor discharge projection welding is the best projection welding process in the field of resistance welding

Medium-voltage capacitor discharge welding energy concentration, heat-affected zone is small

The thread will not be deformed due to the heat of the welding process

The output energy is stable and reliable

Energy savings and overall consumption reduction

Applications

Industry applications

Automotive and general industry

Application material

Hot-stamped high-boron steels

Press hardened steels

Coated components

Weld nuts and bolts

Advanced high strength steels (R 0.2 < 1,600 MPa)

Steel types with high carbon content (greater than 0.2 %)

Workpieces with a wide range of different cross-sections and surfaces

Welding result

The heat affected zone of the nut after welding is small, and the thread is not deformed.

The galvanized layer of the thread and plate can be completely left intact.

The galvanized layer is not destroyed and no filament is required.

The molten core has a penetration depth greater than 0.2MM.

Video

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