S-4000 Axial Insertion Machine: Smart Factory THT Automation by Southern Machinery
Automate axial through-hole insertion with the S-4000 by Southern Machinery: up to 20,000 CPH, ±0.1mm accuracy, IPC-A-610 full or half clinching, and up to 60 expandable feeders. It handles PCBs from 50×50mm to 460×460mm, communicates via SMEMA, and connects to MES for real-time production data. Typical configurations replace around 4-6 manual insertion workers with an estimated 12-month payback, depending on workload and setup. Learn how the S-4000 integrates into a complete SMT/THT PCB assembly line and request a customized line configuration quote.
Aug 11, 2026 · Updated Aug 11, 2026 · Southern Machinery
S-4000 Axial Insertion Machine: Smart Factory THT Automation by Southern Machinery
The S-4000 axial insertion machine is designed for EMS, ODM, automotive electronics, medical electronics, and industrial control manufacturers who want to replace repetitive manual through-hole insertion with high-speed, repeatable automation. Built around high-speed axial component insertion, ±0.1mm placement accuracy, and IPC-A-610-compliant clinching, the S-4000 turns a typical THT bottleneck into a stable, data-ready station on the PCB assembly line.
What is this machine used for?
The S-4000 is an automatic axial insertion machine used to place axial-lead components - resistors, diodes, capacitors, and similar through-hole parts - onto PCBs at high speed and consistent quality. Instead of operators inserting and clinching components by hand, the machine feeds components from up to 60 expandable axial feeders, positions each board automatically, inserts the leads, and clinches them with full or half clinch to IPC-A-610 standards. It is used wherever a factory needs dependable axial insertion throughput without quality drift: power supplies, lighting drivers, appliance control boards, automotive modules, and other high-mix THT products.
Why automate axial insertion?
Manual axial insertion is slow, inconsistent, and labor-intensive. Insertion errors, wrong polarity, missed components, and uneven clinching drive rework and inspection failures. The S-4000 addresses these problems directly:
- Consistent speed: up to 20,000 components per hour (CPH), which the source documentation compares to the output of an entire manual insertion team. Actual throughput depends on board layout, component mix, and configuration.
- Repeatable accuracy: ±0.1mm insertion accuracy for stable placement across shifts.
- Fewer operators: the machine is intended to replace approximately 4-6 manual insertion workers per line (example based on typical configurations, subject to final technical confirmation).
- Quality-stable clinching: full or half clinch with repeatable force and geometry, compliant with IPC-A-610, helping to reduce rework in lead formation.
Key S-4000 specifications
| Parameter | Specification |
| --- | --- |
| Insertion speed | Up to 20,000 CPH |
| PCB size range | 50×50mm to 460×460mm (customizable) |
| Component body length | 3.0mm to 20.0mm |
| Component body diameter | 1.6mm to 6.0mm |
| Lead pitch | 10.0mm to 25.0mm (2.5mm step) |
| Insertion accuracy | ±0.1mm |
| Clinching | Full clinch / half clinch (IPC-A-610 compliant) |
| Feeder capacity | Up to 60 feeders (expandable) |
| Power supply | AC 220V / 50-60Hz / single phase |
| Air supply | 0.5-0.7 MPa / 150 L/min |
| Machine dimensions | 1,200mm (L) × 1,450mm (W) × 1,500mm (H) |
| Weight | Approx. 850 kg |
Typical application scenarios
- Power supply and adapter lines: high-volume axial diodes and resistors with consistent pitch requirements.
- Automotive electronics modules: boards requiring traceable, repeatable insertion and IPC-A-610-compliant clinching for inspection confidence.
- Medical and industrial control PCBs: mixed SMT/THT assemblies where missed or misplaced axial parts are unacceptable.
- High-mix EMS factories: the expandable feeder bank and customizable PCB size range support frequent product changeovers.
How to integrate the S-4000 into a complete PCB assembly line
The S-4000 is designed to sit in the THT segment of a complete PCB assembly line, alongside axial, radial, terminal, and odd-form insertion stations, followed by wave soldering and inspection:
- Board flow: the machine accepts boards from 50×50mm to 460×460mm and can be paired with a PCB loader/unloader for continuous feeding.
- Line communication: built-in SMEMA communication lets the S-4000 hand off boards to upstream and downstream equipment without manual intervention.
- Data integration: optional MES connectivity and real-time production data logging support smart factory analytics and component traceability.
- Feeder setup: configure from a small set of axial feeders up to 60 expandable feeder slots depending on your component mix.
- Combined THT cells: for full-line projects, Southern Machinery can combine the S-4000 with radial inserters, terminal feeders, odd-form insertion machines, wave soldering, board handling, and inspection equipment.
S-4000 selection checklist
Before requesting a quote, prepare these inputs:
- PCB dimensions and number of panels per board.
- Axial component types, body length (3.0-20.0mm), body diameter (1.6-6.0mm), and lead pitch (10.0-25.0mm in 2.5mm steps).
- Required clinch style: full clinch or half clinch.
- Target output: the machine is rated up to 20,000 CPH; confirm the throughput you need.
- Feeder count estimate for your component mix (up to 60 feeders).
- Existing line equipment and control interface requirements (SMEMA, MES).
- Facility utilities: AC 220V single-phase power and 0.5-0.7 MPa compressed air.
ROI, quality, and throughput value
The source documentation estimates a typical 12-month ROI window and 4-6 manual workers replaced per machine; these figures are examples and depend on your configuration, workload, and local labor costs. The structural value is clearer: predictable throughput, fewer insertion defects, repeatable IPC-A-610 clinching, and MES-ready data that support quality reporting for automotive and medical customers. Southern Machinery positions the S-4000 as part of a high-efficiency, cost-effective complete SMT/THT solution with global service, spare parts support, and professional training.
FAQ
Is the S-4000 suitable for high-mix production?
Yes. The expandable feeder bank (up to 60 feeders) and customizable PCB size range are designed for frequent changeovers in high-mix EMS environments.
What PCB sizes can the S-4000 handle?
50×50mm to 460×460mm, with customization available depending on configuration.
What component sizes can it insert?
Body length 3.0mm to 20.0mm and body diameter 1.6mm to 6.0mm, with lead pitch from 10.0mm to 25.0mm in 2.5mm steps.
Can it connect to our MES or existing line?
Yes - built-in SMEMA communication supports board handoff, and optional MES connectivity provides real-time production data logging.
How many feeders can be installed?
Up to 60 feeders, expandable to match your component mix.
Does the machine require special utilities?
AC 220V / 50-60Hz single-phase power and 0.5-0.7 MPa compressed air at approximately 150 L/min.
Get a line configuration quote
Every THT line is different. Contact Southern Machinery for a customized quote based on your PCB complexity, component mix, and target output. Our engineers help you build the optimal configuration - axial, radial, terminal, or odd-form insertion, with wave soldering, board handling, and inspection where you need them.
Request a quote by email or WhatsApp, and expect 24-hour response, global shipping, installation support, and spare parts service.
Southern Machinery was founded in Shenzhen, China in 2011 and serves 237+ customers worldwide with SMT/THT PCB assembly automation equipment - from SMT placement and THT insertion to wave soldering, board handling, and inspection - as a complete line solution provider focused on high efficiency, cost effectiveness, and global service.
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