Benlong 
RCBO PCBA automatische Lötmaschine
Kundenspezifische RCBO-PCBA-Lötmaschine für 17,8 mm ±0,08 mm Module. 3-Linien-Parallellöten, Schnellwechselwerkzeug, Positionserkennung. Inline-Prozess: Trennung → Verteilung → Station A (3 Positionen) → Zusammenführung → Station B. Angepasst an Ihr PCBA-Layout. Hoher Durchsatz, geringe Fehlerquote.
Automatic Inline Soldering Machine for RCBO PCBA
The RCBO PCBA automatic soldering machine is a very precise and sophisticated inline soldering system intended for use with idle RCBO. It will support RCBO size 17.8mm +/- 0.08mm; any other size will damage the enclosure. There are multiple automation stages involved in this process: material separation, servo driven distribution to three parallel soldering lines, automatic sensing, lifting and locating, three position soldering (Station A) and merging before carrying out a second soldering operation (Station B). The process ends with automatic transportation to downstream equipment.
The key features include rapid-tooling changes for various RCBO varieties, one-touch parameter modification on HMI, and fixtures that can be modified endlessly through recipe-based selection or by hand. It is designed for continuous inline use, enhancing production speed and eliminating human error related to soldering. The conveyor configurations, soldering settings, and fixture designs are specifically tailored to your RCBO PCBA geometry and production metric(s).
Standard delivery: 45-60 days | Quick‑change tooling | 3‑line parallel welding
What is an RCBO PCBA Automatic Soldering Machine?
An automated soldering system using an RCBO (Residual Current Breaker with Overload Protection) is a machine that utilizes special inline soldering technology. This system has been specifically designed for soldering Printed Circuit Board Assemblies (PCA’s), which are used in creating RCBO’s—meaning it’s not the same as a general purpose selective solder machine. The RCBO PCA has an average size (module) dimension of 17.8 mm ±0.08 mm; therefore, the machine you will have installed will have been designed specifically for the dimensions of the RCBO components and their electrical clearance requirements and thermal sensitivities. Normally, when using the machine, multiple soldering heads can be used at the same time, e.g. three heads at the same time going to different locations, etc.; precision positioning with servo drive systems; and automated material handling functions such as feeding, aligning and discharging the PCA’s. Together, these systems allow for a highly efficient and consistent solder joint quality in your finished RCBO’s and results in a low defect rate and full traceability to your PCBA’s. Because the machines are custom non-standard solutions, we will customize the machine to your PCBA layout, solder joint locations and desired production capabilities.
Precision fixturing for RCBO modules; exceeding tolerance may cause casing damage.
Simultaneous soldering at three positions (Station A) for high throughput.
Fixtures designed for rapid changeover between different RCBO variants.
Tailored to your PCBA size, solder joint pattern, and line integration needs.
Soldering Process & Key Stations
Technische Spezifikationen
| Compatible RCBO module size | 17.8mm ±0.08mm (exceeding tolerance may damage casing) |
|---|---|
| Soldering technology | Selective soldering or wave soldering (customizable per PCBA layout) |
| Number of parallel lines | 3 conveyor lines for Station A welding (simultaneous operation) |
| Welding positions | Station A: 3 positions simultaneous | Station B: single position (post-merge) |
| Changeover method | Quick‑change tooling; some fixtures manually adjustable, others one‑click via HMI |
| Process detection | Automatic product placement detection, lifting/positioning sensors, flow monitoring |
| Steuerungssystem | PLC (Siemens/Mitsubishi) with HMI, parameter presets per product type |
| Material flow | Inline entry from previous process → separation → 3‑line distribution → welding → merge → exit conveyor |
| Strom- und Luftversorgung | 380V ±10% 50Hz | Compressed air for actuators (specify pressure on request) |
Detailed Process Flow
The automated soldering line follows this sequence (operator sets parameters via HMI before start):
- Entry from previous process – RCBO PCBAs enter the machine from upstream assembly.
- Automatic material separation & grouping – Singulation into individual units.
- Servo‑driven distribution to 3 conveyor lines – The module pushes products to three parallel welding tracks.
- Automatic separation & grouping (again) – Ensures correct spacing for subsequent steps.
- Automatic placement detection – Sensors confirm PCBA position before soldering.
- Automatic lifting & positioning – Products are raised to soldering height and clamped.
- Simultaneous automatic welding at 3 positions (Station A) – Three soldering heads operate in parallel.
- Automatic conveying to unloading area – After Station A, products move forward.
- Automatic merging into a single conveyor line – Three lanes combine into one.
- Automatic separation & grouping (again) – Prepares for the second soldering pass.
- Automatic welding of Station B – Soldering of additional points on the PCBA.
- Automatic conveying to exit conveyor line – Finished PCBAs exit to downstream equipment.
- Cycle repeats – Continuous inline operation.
Technische Kernvorteile (Kundenspezifisches, nicht standardisiertes Design)
Precision fixture for 17.8mm modules
The fixturing is machined to hold RCBO modules within ±0.08mm tolerance. Exceeding this may damage casings – our design ensures consistent clamping force without over‑stress.
3‑line parallel soldering
Three simultaneous soldering stations (Station A) dramatically increase throughput without increasing floor space. Each line operates independently, so a jam on one line does not halt the others.
Quick‑change & recipe‑based changeover
Some fixtures use quick‑change mechanical interfaces; others support one‑click parameter switching on the HMI. Typical changeover time is under 20 minutes for new RCBO variants.
Inline detection & automatic correction
Placement detection sensors and lifting/positioning modules ensure every PCBA is correctly aligned before soldering, eliminating mis‑soldered joints caused by positioning errors.
Customer Success Story – Custom RCBO Soldering Line
The European manufacturer of RCBOs needed live PCBA soldering for multiple product families (different PCBA layouts) to be done automatically from one production line. Benlong designed an in-line soldering machine that had quick change fixtures and recipe based HMI switching to accomplish this task.
Throughput was improved by 60% as well as eliminated manual rework due to soldering inconsistencies.
Anwendungen und Integration
Kundenspezifische Entwicklung & Lieferung
Request a Custom RCBO PCBA Soldering Quote
Provide your PCBA RCBO samples as well as your soldering point positions & production targets. Our engineers will create an inline soldering machine design that has the proper conveyor & soldering head arrangement compatible with your product.
WhatsApp: +86 150 5837 0007 | E-Mail: xsb@benlongkj.cn | Support in Englisch und Chinesisch
Why Choose Benlong for RCBO Soldering Automation?
- Mehr als 15 Jahre Erfahrung im Designbereich custom PCBA soldering lines for low‑voltage electrical products
- Proven fixture design for 17.8mm ±0.08mm modules (tolerance‑sensitive)
- 3‑line parallel soldering architecture for high throughput
- Quick‑change & recipe‑based changeover for multiple RCBO variants
- Weltweiter Service und Ersatzteilsupport
Typical Custom System Includes
Automatic soldering equipment consisting of: · Inline conveyor w/entry exit modules; 3 parallel solder lines at Station A; 1 solder line at Station B; Automatic material separation grouping stations; Placement Detection Sensors; Lifting Positioning Modules; Soldering heads (each process); PLC w/HMI (Siemens); Quick Change Fixture Set; Safety Guarding; Installation commissioning; One-year warranty
Häufig gestellte Fragen
The fixtures are built to retain any module’s tolerance. If you exceed this tolerance, you risk damaging your product by compressing it too much or having improper placement, which could lead to poor quality of solder joints. We recommend that you check in with your parts before you solder, and reject any that do not meet this standard.
Yes, you can change or adjust position of each solder head and the distance between conveyors. When doing a major layout change, there are quick change fixtures and HMI parameters based on recipes available. Typically, it takes 15 to 20 minutes to changeover from one version of product to another.
Through-beam and inductive placement sensors are used to confirm that the PCBA is properly positioned and seated into place before activating the lift/positioning module; if there is a missing piece or if a piece doesn’t align with its intended location, the machine will stop until it’s in the right part or will reject itself.
It is determined by your PCBA design. For mixed SMT and through-hole boards, we typically use selective soldering using programming nozzles; however, if the layout is relatively simple we may use wave soldering. We recommend you send PCBA samples for process evaluation.
The machine is capable of receiving pass/fail signals from either SPI or pick-and-place equipment via standard I/O and Ethernet communication (Modbus TCP and Profinet). Additionally, it can be integrated with a barcode reader to associate soldering parameters with the serial number of each PCB assembly.
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