Capacitive Energy Storage Spot Welding Machine

Capacitive Energy Storage Spot Welding Machine is a precision welding system manufactured by Feihong, an established China factory with over 30 years of experience in electrical heating tube equipment. As model FH-149B, it combines capacitor discharge welding technology with an electromagnetic vibrating disc feeder and vacuum positioning system, delivering accurate and fast spot welds for single-hair heat pipe bottom sealing at a rated capacity of 5KVA. A reliable semi-automatic solution for heat pipe and heating tube manufacturers.

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Product Description

Feihong, a professional manufacturer and supplier based in China, offers the Capacitive Energy Storage Spot Welding Machine, a dedicated resistance welding system engineered for single-end bottom welding of single-hair heat pipes. This machine integrates a capacitor energy storage welding power source, electromagnetic vibrating disc feeder, pneumatic swing cylinder manipulator, and vacuum workpiece holding mechanism into one unified workstation. Produced by Zhaoqing Feihong Machinery & Electrical Co., Ltd., a company founded in 1992, this equipment draws on decades of specialized expertise in heating tube manufacturing machinery to deliver consistent, repeatable welding performance for industrial production environments.

Product Overview

The FH-149B is a purpose-built capacitive discharge spot welding machine configured specifically for heat pipe bottom end sealing operations. It differs from standard spot welders by combining welding capability with automated parts feeding and handling systems, creating a semi-automatic production station that reduces manual labor while retaining operator oversight.

1. Welding Technology: Capacitive energy storage (capacitor discharge) spot welding, delivering concentrated energy pulses for minimal heat-affected zones.

2. Feeding System: Electromagnetic vibrating disc automatically orients and delivers small welding components to the transfer position.

3. Handling Mechanism: Pneumatic swing cylinder and manipulator arm transfer components from feeder to welding station with consistent positioning.

4. Workpiece Holding: Vacuum suction secures the welding piece against a precision positioning groove for accurate alignment every cycle.

5. Operation Mode: Semi-automatic, with automated feeding and welding processes and manual workpiece loading/unloading by the operator.

This integrated configuration makes the machine suitable for both small-batch production and higher-volume heat pipe manufacturing lines, where weld consistency and production efficiency are equally important priorities.

Key Performance Features

The Capacitive Energy Storage Spot Welding Machine incorporates several performance-oriented design features that contribute to its reliability and welding quality in industrial manufacturing settings. Each feature addresses a specific requirement of heat pipe bottom sealing applications.

1. Controlled Energy Discharge: Capacitor bank stores energy and releases it in a millisecond-scale pulse, producing strong weld nuggets without overheating thin heat pipe walls.

2. Repeatable Part Positioning: The combination of vibratory feeding, mechanical transfer, and vacuum holding ensures each part arrives at the weld point in the same orientation and position.

3. Pneumatic Drive System: All motion axes operate on compressed air at 0.6Mpa, providing clean, low-maintenance actuation suitable for factory environments.

4. Vacuum Clamping Advantage: Negative pressure holding avoids surface marks and provides uniform contact pressure, improving weld consistency across production runs.

5. Operator-Friendly Layout: Manual loading and unloading stations are positioned for ergonomic access, supporting sustained operator productivity during shifts.

Together, these features result in a machine that produces consistent, high-quality spot welds cycle after cycle while requiring minimal operator training and routine maintenance.

Technical Specifications

The following technical parameters define the standard FH-149B configuration. All specifications are verified through factory testing before shipment to ensure compliance with published performance data.

Specification	Value
Model	FH-149B
Rated Capacity	5 KVA
Operating Voltage	380V AC
Air Source Pressure	0.6 Mpa
Welding Process	Capacitive Energy Storage Spot Welding
Feeding Method	Electromagnetic Vibrating Disc
Transfer Mechanism	Pneumatic Manipulator with Swing Cylinder
Positioning Method	Vacuum Attachment with Locating Groove
Loading Type	Manual Loading and Unloading
Target Application	Bottom End Welding of Single-Hair Heat Pipes

These standard parameters cover the majority of single-hair heat pipe production requirements. For non-standard heat pipe dimensions or special material requirements, Feihong can provide customized configurations through its in-house engineering and machining capabilities.

Operating Procedure

The machine follows a structured operating sequence that an operator can learn quickly. Each step in the cycle is designed for reliability and repeatability, with automated systems handling the precision-critical phases of the process.

1. Preparation Phase: Connect the 380V power supply and 0.6Mpa compressed air source, then power on the machine and allow the capacitor bank to charge to operating level.

2. Workpiece Loading: The operator manually places a single-hair heat pipe into the station positioning area with the bottom end facing the welding electrode assembly.

3. Automated Feeding: The electromagnetic vibrating disc activates and delivers a correctly oriented welding component to the manipulator pickup position.

4. Part Transfer & Alignment: The swing cylinder extends, and the manipulator picks up the component and places it onto the heat pipe bottom end, aligned with the precision positioning groove.

5. Vacuum Secure & Weld: Vacuum activates to hold the assembly firmly, then the capacitor bank discharges stored energy to complete the spot weld in milliseconds.

6. Release & Unload: Vacuum deactivates, the manipulator retracts, and the operator removes the completed heat pipe before loading the next workpiece.

This six-step cycle repeats throughout production. The semi-automatic arrangement means a single trained operator can manage the machine efficiently, with automated systems ensuring precision while the operator provides quality oversight.

Application Areas

The Capacitive Energy Storage Spot Welding Machine serves multiple manufacturing sectors where precision resistance welding of tubular components is required. Its primary and secondary use cases span several industry categories.

1. Heat Pipe Manufacturing: Core application area, specifically for sealing the bottom end of single-hair heat pipes used in thermal management systems across electronics, industrial, and aerospace products.

2. Industrial Heating Tube Production: Used for end cap welding and terminal attachment on industrial electrical heating tubes, one of Feihong's longstanding equipment specialties.

3. Civilian Heating Element Production: Suitable for manufacturing household electrical heating tubes and civilian heating elements where consistent end sealing is required.

4. Hot Runner Heater Manufacturing: Applied in the production of hot runner electrical heating tubes for plastic injection molding systems.

5. Specialized Thermal Components: Supports production of custom thermal components for aerospace and military machinery applications where precision and quality standards are stringent.

The versatility of capacitive discharge welding technology means the machine can be adapted to additional tubular welding applications beyond heat pipes, making it a flexible asset for manufacturers with diverse product lines.

Manufacturing Background

Every unit is manufactured by Zhaoqing Feihong Machinery & Electrical Co., Ltd., a company with deep specialization in heating tube equipment dating back to 1992. The company's vertically integrated production approach ensures quality control at every stage of manufacturing.

1. Established Track Record: Founded in 1992, Feihong has over three decades of focused experience researching, developing, and producing electrical heating tube manufacturing equipment.

2. Six-Workshop Facility: The factory operates six dedicated workshops including powder filling, pipe shrinking, machining center, mold production, raw material cutting, and machine assembly.

3. In-House Component Production: Critical components such as welding electrodes, vibratory feeder tooling, and positioning fixtures are manufactured on-site, ensuring tight tolerances and quality consistency.

4. Custom Development Capability: Feihong has a history of developing specialized machines to customer requirements across industrial, civil, hot runner, aerospace, and military heating tube sectors.

5. Customization Services: Standard machines can be modified with custom tooling, adjusted parameters, or adapted layouts to match specific production line requirements.

This manufacturing foundation means customers receive equipment from a source that understands heating tube production processes from both equipment and application perspectives, reducing integration risk and supporting long-term production reliability.

Support & Service

Feihong provides comprehensive support for the Capacitive Energy Storage Spot Welding Machine from pre-sales consultation through post-delivery service. The company is committed to ensuring customers achieve productive operation with minimal downtime.

1. Factory Testing: Each machine undergoes complete functional testing at the factory before shipment, verifying all specifications including 5KVA capacity, 380V electrical performance, and 0.6Mpa pneumatic operation.

2. Documentation & Guidance: Operational documentation and installation guidance are included with every shipment to support smooth commissioning at the customer's facility.

3. Direct Factory Support: Customers work directly with the manufacturer for technical inquiries, ensuring accurate and timely responses from the engineering team that designed the machine.

4. Spare Parts Availability: Replacement parts are manufactured in-house and available for international shipment to support maintenance and repair needs.

5. Global Agent Network: Feihong is actively recruiting global cooperative agents to expand localized support and distribution capabilities in international markets.

Whether placing a first order or seeking ongoing support for existing equipment, customers can expect responsive communication and factory-direct expertise from the Feihong team.

Frequently Asked Questions

Q: What type of welding technology does this machine use?

A: This machine uses capacitive energy storage spot welding, also called capacitor discharge welding. It stores energy in capacitors and releases it in a short pulse, creating strong welds with minimal heat impact on the surrounding material, which is ideal for thin-wall heat pipes.

Q: What utilities does the machine require?

A: The FH-149B requires a 380V AC electrical supply with 5KVA capacity, and a compressed air source providing 0.6Mpa pressure. These are standard industrial specifications compatible with most manufacturing facilities worldwide.

Q: What is the machine designed to weld specifically?

A: This machine is specifically designed for welding the bottom end of single-hair heat pipes. It is a purpose-built station for creating the end seal on one end of the heat pipe, which is a critical step in the heat pipe manufacturing process.

Q: Is parts feeding automated or manual?

A: Welding components are fed automatically through an electromagnetic vibrating disc feeder and transferred by a pneumatic manipulator. Only the heat pipe workpiece itself is loaded and unloaded manually by the machine operator.

Q: Can the machine be adapted for different heat pipe sizes?

A: Yes, Feihong provides customization services. With in-house machining and mold production capabilities, the company can modify tooling, positioning grooves, and welding parameters to accommodate different heat pipe diameters, wall thicknesses, or material specifications.

Q: Where is Feihong located and do you ship internationally?

A: Zhaoqing Feihong Machinery & Electrical Co., Ltd. is located in Zhaoqing City, Guangdong Province, China. The company ships equipment worldwide and is actively developing a global network of cooperative agents, with commitment to prompt delivery and after-sales support for international customers.

Summary

The Capacitive Energy Storage Spot Welding Machine (Model FH-149B) from Feihong provides a reliable, precision-engineered solution for single-hair heat pipe bottom sealing operations. By combining proven capacitor discharge welding technology with automated vibratory feeding, pneumatic manipulator transfer, and vacuum positioning systems, the machine delivers accurate and fast welding performance that manufacturers can depend on. Backed by Zhaoqing Feihong Machinery & Electrical Co., Ltd.—a company established in 1992 with a six-workshop integrated production facility and decades of specialization in heating tube equipment—this machine represents a mature, field-proven solution. Whether establishing a new heat pipe production line, upgrading existing sealing equipment, or sourcing from an experienced China manufacturer, the FH-149B offers the technical capability, build quality, and manufacturer support to meet production requirements effectively.

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Address

Shuiji Village, Dachong, Duanzhou District, Zhaoqing City, Guangdong Province, China.
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+86-13560936045
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judy@zqfeihong.com

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