What determines the delivery-fiber route
Fiber length, bend radii, protection and service access cannot be established from a general workshop layout. They depend on the exact delivery fiber, source, head, robotic axis or gantry, enclosure, route and OEM requirements.
Input data
Collect the source model, delivery fiber P/N, head, manual revisions, site drawing, axis travel, attachment points, crossings with cables/pipes, service zones and connector access. In the plan, separately specify the manufacturer-permitted length, minimum radius, routing method, protection and movement restrictions, taking them specifically from the documentation for the relevant P/N.
Route verification
Check the route over the equipment's full movement range, not just in one position. Record positions where bending, tension, contact with protection or service access changes. After installation, verify the route and operating modes using the OEM procedure for the actual system.
Turn the site plan into a verification list
Start with equipment boundaries, not a convenient line on a drawing. Mark the source, head, moving axes, protective enclosures, approved attachment points, connectors and service zones. Then show other services, walkways, doors, loading areas and every place where the fiber could contact an enclosure or protection. Each section needs a requirement for the specific P/N; do not transfer limits from another cable or installation.
Verification covers the full axis travel and all normal operating positions, including infrequent ones: extreme coordinates, tool change, service and recovery after a stop. At each point, assess not just visible bending but tension, twist, contact, reserve in the approved routing and access to connections. The result is a list of checked positions and unresolved crossings, not a general statement that the route “looks fine.”
Separate design from independent intervention
Planning a route does not authorise changing a delivery fiber’s length, connector, sheath, attachment or routing method. Even a similar part may have different limits, compatibility or installation procedure. If the plan does not comply with the documentation, record the conflict, exact P/N and required decision from the manufacturer, integrator or authorised service. Do not solve it with extra bending, improvised protection or moved attachments without that confirmation.
After installation, retain the plan revision, photographs or another accepted record of the actual route, the documentation used, verified positions and person responsible for acceptance. If the layout, axis, enclosure or source changes, this record shows what needs to be checked again. It does not replace an OEM procedure, but keeps the boundary clear between site planning and service work.
Verify the route before delivery, not after a conflict
Before delivery, combine the site plan, system documentation and responsible people in one list of open items. More than dimensions are needed: identify where the fiber enters the machine, which parts move, where people walk or service equipment, and whether approved zones remain accessible without removing unrelated services. When a source is separate, route length cannot be assessed as a straight line; the actual path through transitions and attachment points matters.
The TRUMPF pre-install manual for a specific TruLaser 2030 fiber provides an example: the specified installation version with an LLK longer than 20 m uses cable racks, a 220 mm minimum bend radius, separation from low-voltage cables and no shared rack with high-voltage cable. This is not a universal number for another P/N. It demonstrates why a design must use documentation for the delivered system rather than experience with a similar installation.
| Review | Acceptance record |
|---|---|
| Identification | Source model, fiber and head P/N, manual revision |
| Geometry | Route plan, moving zones, transitions, approved attachments and service access |
| Adjacent systems | Crossings with power, pipes, enclosures, walkways and loading |
| Full travel | Axis positions reviewed and result at each position |
| Open items | Issue owner, required OEM/integrator confirmation and decision date |
Example: when the shorter route is not better
Assume two paths lead from a separate source to the machine. One is shorter but passes a door and needs a non-standard turn; the other is longer but uses an approved rack, has clear access and passes review through full axis travel. The first cannot be selected by metres alone. Compare both with the limits of the particular fiber, required attachments, service access and adjacent services. If neither complies with documentation, escalation—not an installation compromise—is the decision.
The example sets no allowable length or radius. It shows the decision order: actual P/N and OEM requirement, then site geometry, then full motion and a documented result. The same sequence is needed after reconfiguration: a moved enclosure or new cable bridge may change safe access even when the fiber itself has not changed.
Agree the plan before it becomes installation
The site owner, integrator, process engineer, service team and safety lead may look at one route for different reasons. To avoid losing any of them, appoint one decision owner and keep a short review register. The site owner confirms the actual layout and access; the integrator checks the delivered configuration and installation boundaries; process engineering identifies operating positions and part-mix changes; service confirms access to manufacturer-defined points. The safety lead does not replace the OEM, but checks that the agreed route creates no new conflict with walkways, enclosures or local rules.
Work with revisions, not a file called “final.” Every plan should state its date, author, related P/Ns, documentation revision and list of changes. Before installation, every approving party must see the same revision that will be used for work. If the site drawing, source specification or route changes after approval, do not silently carry the approval forward: record the change, its effect and required re-review.
Hand over changes so the route can be re-verified
A common scenario is a new rack, enclosure, cable bridge or storage area appearing beside the machine after commissioning. Even if no laser-system item was touched, it may narrow service access, change staff movement or create a new contact point with protection. The person planning the move must not independently judge fiber acceptability. Their responsibility is to stop changes in the route zone until the responsible parties review them.
A re-review handoff can be short but sufficient: reason for change; before and after plans; photographs or an inspection of actual condition; affected axis positions and service points; P/Ns and documentation revisions; who checks the issue and against which OEM source; and the acceptance outcome. Retain it with the original revision. The next project then does not guess why the route has its form, but sees a checked decision trail and open limits.
Scope limitations
This material does not specify a universal radius, length or layout, authorise independent fiber modifications or confirm route safety. Source selection is covered in ART-052; power limits in ART-054.
Discuss your production task
Prepare the source model, delivery-fiber and head P/Ns, site drawing, axis travel, list of crossings and available documentation. This permits a focused assessment of your actual route and open items.
Discuss your task with L-SEL