Application requirements
I/O density, cycle time, motion or process requirements, field distances and maintenance needs are assessed together. This defines the requirements of the working system, not just individual products.
Samkoon · Machine automation
Laser tube cutting machine control system
This machine automation application uses HMI, PLC and field signals to address field control, reliable communication and maintainable commissioning.
Solution architecture
The proposed architecture combines HMI, PLC and field signals with the machine’s existing control infrastructure and communication protocols. Final product and module selection depends on site requirements.
How can ProControl help?
ProControl can adapt the solution to local project requirements in Türkiye, from site assessment, I/O planning and protocol selection to panel layout, commissioning and after-sales support.
Official application content
Technical details, tables and application images
The technical workflow and visual information from the manufacturer are presented below.
Project Background & Mechanical Demands
Stainless steel tube manufacturing for automotive, industrial, and construction sectors demands sub-millimeter edge finishing, strict length tolerances, and rapid batch changeovers. Traditional standalone cutting setups suffer from non-synchronized feeding and delayed laser triggering, leading to uneven cuts, structural deformation, and high material waste. The control infrastructure for modern laser tube cutting machines must direct a 5-axis motion topology —seamlessly interlocking raw material feeding, precision stopping, rotating cutting orientation, and automated welding slag extraction—while maintaining tight noise immunity to safeguard processing stability against high-frequency fiber laser interference.
Hardware Architecture & Configuration BOM
| Hardware Category | Implemented Model | Specific Role within the Architecture |
|---|---|---|
| Central Processing Layer | Samkoon FGS-64MT-AC PLC | Main control processor featuring high-capacity execution loops. Generates multi-channel independent pulse outputs to drive 5 motion axes simultaneously. |
| I/O Expansion Layer | Samkoon FGS-E4AI2AO Module | Expands localized high-resolution analog channels for auxiliary laser power scaling and proportional gas valve regulation. |
| Operator Interface Layer | Samkoon SK-070FE HMI | 7-inch industrial terminal built on an isolated non-OS micro-kernel. Handles real-time trajectory configuration, laser state gating, and instant diagnostic overrides. |
Core Motion Logic & Process Strategy
- Thick Tube Mode (Laser Puncturing Priority): The PLC coordinates an initial high-energy laser puncturing sequence block before initiating continuous rotary cutting, ensuring clean edge profiles and eliminating mechanical tearing on heavy-wall pipes.
- Thin Tube Mode (Synchronous Rotary Processing): Combines linear tube positioning with rotational cutting axes into a single execution loop. Simultaneous motion profiles achieve seamless, high-velocity cuts on narrow-gauge materials.
- Torque-Adaptive Automatic Feeding: The input feeding axis monitors real-time servo torque registers to adjust material push velocity dynamically, preventing tube deformation while maintaining rigid physical positioning limits.
- Manual & Interlocking Diagnostics: The platform setup features manual JOG screens to run standalone safety evaluations on rotary clamping chucks, material loaders, and pneumatic slag extraction valves independently during machine calibration.
Complete Physical I/O Allocation Matrix
Comprehensive physical hardware mapping allocating input/output registers across the FGS controller layout. It covers dedicated axis pulse configurations (Y0–Y4), sensor feedback loops, chiller/vacuum safety alarms, and automated laser gas solenoid valves gating commands.
| Input Point | Output Point | ||
|---|---|---|---|
| X0 | Feeding origin | Y0 | Feeding motor pulse |
| X1 | Upper and lower motor origin | Y1 | Up and down motor pulse |
| X2 | Rotating motor origin | Y2 | Rotating motor pulse |
| X3 | Slag extraction motor origin | Y3 | Slag extraction motor pulse |
| X4 | Locate the motor origin | Y4 | Positioning motor pulse |
| X5 | Y5 | ||
| X6 | Y6 | ||
| X7 | Y7 | ||
| X10 | Feeding motor alarm | Y10 | Feeding motor direction |
| X11 | Upper and lower motor alarm | Y11 | Up and down motor direction |
| X12 | Rotating motor alarm | Y12 | Rotating motor direction |
| X13 | Slag extraction motor alarm | Y13 | Axis slag motor direction |
| X14 | Positioning motor alarm | Y14 | Positioning motor direction |
| X15 | Feeding motor torque reaches | Y15 | |
| X16 | Y16 | ||
| X17 | Y17 | ||
| X20 | External boot | Y20 | Power supply |
| X21 | Chiller alarm | Y21 | Laser power supply |
| X22 | Laser alarm | Y22 | Chiller power supply |
| X23 | Vacuum cleaner alarm | Y23 | Dust extraction power supply |
| X24 | Emergency Stop | Y24 | Vacuum cleaner solenoid valve |
| X25 | Y25 | ||
| X26 | Y26 | ||
| X27 | Y27 | ||
| X30 | Y30 | Laser gas valve | |
| X31 | Y31 | Laser Enabled | |
| X32 | Y32 | Rotary clamping | |
| X33 | Y33 | Feed clamping | |
| X34 | Y34 | ||
| X35 | Y35 | ||
| X36 | Y36 | ||
| X37 | Y37 |
Field Telemetry & Electrical Schematics
- Actual workshop field installation showcasing organized enclosure wiring, centralized Samkoon FGS controller integration, and high-density multi-axis servo drive matrix deployment.
- Complete electrical system topology mapping the optocoupler isolation circuits, core emergency stop loops, and RS485 communication lines. Detailed engineering schematics are available upon certified technical request.
This content is based on the manufacturer’s published Laser tube cutting machine control system application, adapted by ProControl while preserving its technical scope. View the official manufacturer source.