Benlong 
MCB-Griffverbindungs-Automatenmontagemaschine
High‑speed MCB handle link automatic assembly machine. Rotary indexing (30‑50 pcs/min), dual vibratory feeders, integrated sensors, auto reject of defects – ensures 100% yield. Replaces 3‑5 operators, reduces labor cost by 80%. Ideal for 1P/2P/3P/4P MCB assembly lines. PLC touch screen. Quick changeover.
High‑Speed MCB Handle Link Automatic Assembly Machine
This machine is an automated assembly device that has been built with high precision to assemble the handle and the working link for the MCB. The transmission through a precision cam indexer or servo driven turntable ensures smooth and consistent movement as well as high cycle output rates. The custom designed vibratory bowl feeders allow alignment and delivery of handles and metal links to the assembly process without jams and with the capability of continuous operation. Using integrated sensors, this assembly machine can detect the presence of the parts and whether or not they have been properly assembled and rejected defective parts so that the yield going on to the next process is 100%. The use of one machine in place of multiple manual operators greatly reduces the cost of labour and decreases the risk of human error. A PLC equipped with a touch screen allows for easy set changes, production tracking and troubleshooting.
Standard delivery: 30-45 days | 100% auto reject | Replaces 3‑5 operators
What Problems Does This Machine Solve?
MCB Handle/Link Manual Assembly has low throughput, inconsistent engagement force, and high defect rates (e.g., missing springs, inverted handles, loose links). An automated machine solves these problems through:
- Eliminating manual handling errors – Vibratory bowls orient parts correctly every time.
- Increasing output by 3‑5× – High‑speed rotary indexing achieves 30‑50 assemblies per minute.
- Ensuring 100% defect detection – Sensors monitor and detect parts’ presence and assembled integrity, and then defective units are automatically rejected before going onto the next station.
Precision cam indexer or servo turntable ensures smooth transmission and cycle rates of 30‑50 assemblies per minute.
Custom vibratory bowl feeders for handles and metal links – jam‑free, continuous operation.
Integrated sensors detect part presence and assembly integrity; auto reject of defective units.
One machine replaces 3‑5 manual operators – significant labor cost reduction.
Key Features & Customer Benefits
Technische Spezifikationen
| Assembly speed | 30 – 50 assemblies per minute |
|---|---|
| Fütterungssystem | Dual customized vibratory bowl feeders (handle feeder + link feeder) |
| Positioning mechanism | Precision cam indexer or servo‑driven rotary table |
| Quality inspection | Part presence sensors (inductive/photoelectric), assembly integrity check |
| Defect handling | Automatic reject of defective assemblies; counted and alarmed |
| Steuerungssystem | PLC (Siemens/Mitsubishi) with HMI touch screen, recipe storage |
| Yield rate | ≥99.5% (defective units automatically rejected before output) |
| Stromversorgung | 220V ±10% 50Hz | Compressed air 0.6MPa (for reject mechanism) |
| Dimensions (L×W×H) | Approx. 1,200 × 1,000 × 1,600 mm (customizable) |
| OEM availability | Appearance and interface can be customized |
Core Customer Benefits – Why Manufacturers Choose This Machine
Benefit 1: 3‑5× higher throughput
Manual assembly processes usually take 8-10 seconds per unit; using a machine will enable 30 – 50 assemblies to be completed every minute. Based on an example of a factory producing 500,000 MCB’s each month, switching to a machine will reduce the workforce from 6 people to between 1 and 2 people, and the payback on the machine will be realized in 6-9 months.
Benefit 2: Eliminates missed defects
Approximately 3%-5% of assemblies are missed when checked by the human eye (e.g., springs that weren’t installed, upside down handles). With integrated sensor technology, the machine detects every defect (bad part) as they occur and automatically rejects those parts before they can move downstream to calibration and testing. As a result, failure rates decrease by more than 70%.
Benefit 3: Consistent handle‑link engagement
The manual assembly of devices can lead to loose or tight links that can negatively influence the trip feel and durability of breakers. To ensure that the assembly is consistent and the assembly force and position are consistent, the machine employs high-precision tooling. This provides MCBs with uniform operating torque.
Benefit 4: Fast changeover for different MCB models
Bowl tools that can be changed quickly and parameters based on recipes enable quick switching between various styles of handles, such as 1-piece versus 2-piece and different toggle styles, in less than 15 minutes. The nests used to house the rotary tables are designed for modular replacement.
Customer Success – How One MCB Manufacturer Cut Assembly Labor by 80%
The manufacturer of an MCB in China had a system whereby five employees were assembling handles and links for two shifts of eight hours each into a total output of 8,000 units a day, with a defect rate of 2%, which was caused by missing springs or incorrect insertion of the handle. After the installation of this machine, the output was:
The machine paid for itself in 7 months and freed up floor space for additional production lines.
Applications – Where This Machine Adds Most Value
Kundenspezifische Entwicklung & Lieferung
Request a Custom MCB Handle Link Assembly Quote
Please provide the handle and link samples (i.e., your intended material) as well as what you want to be produced (i.e., your target output). Our engineering team will develop a high-speed rotary assembly machine with an automated reject feature, including a full analysis of the expected return on investment for both manual and automated assembly methods.
WhatsApp: +86 150 5837 0007 | E-Mail: xsb@benlongkj.cn | Support in Englisch und Chinesisch
Why Choose Benlong for Handle Link Assembly?
- Mehr als 15 Jahre Erfahrung im Designbereich rotary indexing assembly machines for MCB components
- Proven dual vibratory bowl feeding for handles and metal links – jam‑free
- Integrated sensors for part presence and assembly integrity – auto reject of defects
- 30‑50 pcs/min throughput – replaces 3‑5 operators
- Weltweiter Service und Ersatzteilsupport
Standardausstattung der Maschine
Rotary indexing table (cam indexer or servo) · Dual vibratory bowl feeders (handle + link) · Assembly tooling (press station) · Part presence sensors · Auto reject mechanism · PLC with HMI (Siemens) · Safety guarding · Operation manual · 1‑year warranty
Häufig gestellte Fragen
The machine achieves 30‑50 assemblies per minute depending on handle design and complexity. For a standard 1P MCB handle, cycle time is approximately 1.2‑2.0 seconds per assembly.
Sensors check: (1) handle presence, (2) link presence, (3) correct insertion depth, (4) spring presence (if applicable). If any sensor detects a missing or misaligned part, the machine activates an ejector at the next station to automatically reject that assembly.
Yes. The bowl tooling and rotary table nests are designed for quick changeover. Different handle shapes require a separate tooling kit. Changeover typically takes 10‑15 minutes.
Daily: clean sensors, check bowl feeder operation. Weekly: lubricate cam indexer (if applicable), inspect tooling for wear. Monthly: check air filter for reject mechanism. The machine includes automatic cycle counters for scheduled maintenance.
For a factory producing 500,000 MCBs per month, replacing 6 manual assemblers with one machine, payback is typically 6‑9 months based on labor savings and reduced rework. A detailed ROI analysis is provided with the quotation.
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