LAPP OLFLEX ROBOT F1 and 900 P/DP Torsion Cables Review: Specs, Price and Applications
Updated: 4 days ago
LAPP’s ÖLFLEX ROBOT range addresses cable routes that bend and twist, including articulated-robot dress packs. This review covers ROBOT 900 P and extends the comparison to 900 DP and F1/F1(C). The selected article matters: shielding, conductor population, regional electrical ratings, permitted torsion and bending radius differ between the families.
Quick Verdict
Choose a documented torsion cable when the installed route genuinely twists as well as bends. ROBOT 900 P, 900 DP and F1(C) have materially different catalog limits. Select electrical construction first, then validate the full dress arrangement; a cable’s cycle-test claim is not a guaranteed service life for every robot program.
LAPP OLFLEX ROBOT F1 and 900 P/DP Torsion Cables at a Glance
Specification | Details |
900 P | General unshielded family; selected center-pair constructions require separate identification |
900 P mechanical limits | Maximum ±360 degrees/metre; flexible bend radius 15 × outside diameter |
900 DP | Screened family; maximum ±180 degrees/metre; flexible bend radius 15 × diameter |
F1(C) | Screened AWM family; maximum ±180 degrees/metre; flexible bend radius 10 × diameter |
F1(C) screen exception | Spiral tinned-copper shield generally; 12G1.5 and 18G1.5 catalog versions use braid |
Jacket/insulation | PUR outer sheath and TPE core insulation in the compared catalog constructions |
Electrical boundary | Voltage and conductor identification depend on article, core size and applicable rating system |
Cycle claims | 900 P/DP: designed up to 5 million torsion cycles; F1(C): up to 10 million, under qualified conditions |
Price | Request a quote for article, length, harness and termination scope |
Design and Engineering Assessment
Torsion is specified per unit free length, not simply as a robot-joint angle. If 90 degrees were distributed uniformly over 0.5 m, the average would be 180 degrees/metre; over 0.25 m it would be 360 degrees/metre. Real clamping, friction and cable bundles can concentrate twist beyond that average. Use the actual route and qualified conditions.
Shielding changes both electrical and mechanical selection. ROBOT 900 DP is not merely 900 P with the same torsion limit: its catalog limit is ±180 rather than ±360 degrees/metre. F1(C) also uses ±180 degrees/metre, with another flexible bending-radius requirement. Check the exact article rather than carrying the unshielded limit into a screened harness.
A screen construction must remain article-specific. The F1(C) page describes a spiral shield but explicitly identifies braid for 12G1.5 and 18G1.5. Claiming every F1(C) uses a spiral would overlook that exception. Screen termination and fatigue behavior need to match the supplied construction.
900 P versus 900 DP: Electrical Function First
Select the circuit’s current, voltage, conductor identification and interference requirements before optimizing diameter. An unshielded cable cannot be assumed equivalent to a screened one because it tolerates a larger catalog twist angle.
Some 900 P constructions contain a separately screened center pair; this is not the same as an overall screen around all conductors. Identify which circuits need protection, then confirm the actual cable makeup and connector pinout.
F1 and F1(C): Approval and Screen Scope
The supplied manufacturer overview distinguishes unshielded F1 from screened F1(C). The reviewed F1(C) catalog identifies UL AWM Style 20940 and cUL AWM I/II A/B. These markings do not automatically create a tray/exposed-run or whole-machine approval.
The IEC and UL/CSA voltage descriptions depend on conductor size and the applicable rating system. Do not transfer a headline value across every core size or treat regional rating conventions as interchangeable circuit-design inputs.
Use Diameter-Based Bend Limits Correctly
The 900 DP catalog example 0028195, 12G1.5, has a 14.0 mm outside diameter. Its 15D flexible radius is 210 mm. The F1(C) example 0029689, also 12G1.5, has a 15.4 mm diameter and 10D flexible radius, or 154 mm. Confirm the actual supplied article and installation conditions.
The larger F1(C) example can therefore have the smaller catalog flexible bend radius. This illustrates why outside diameter alone cannot select a robot route. It does not prove greater life under simultaneous bend, twist, acceleration and environmental exposure.
Dress-Pack Design and EMC
Define free length, clamps, neutral pose, tool changes and every programmed extreme. Avoid forcing the cable to absorb a bend and concentrated twist at the same clamp edge. Include neighboring hoses and cables, whose friction can change local torsion.
Use screen-compatible connectors or glands and the intended bonding arrangement. Long unshielded tails or interrupted screen contact can undermine the electrical design even when the bulk cable is correctly selected.
Life, Environment and Acceptance
The catalog describes up-to torsion-cycle design claims and refers cable-chain installations to LAPP’s T3 guidance. Test claims require their actual setup; neither five nor ten million establishes replacement intervals for a different robot route. Oil resistance and PUR construction also remain bounded by the documented exposure.
Validate continuity, conductor identity, protective conductor and screen after harness assembly. Run representative poses and cycles under actual load, temperature and process conditions. Inspect clamp locations, jacket wear, unwanted corkscrewing and the electrical behavior of the connected equipment.
Replacement and Route Changes
Preserve article number, core count/size, screen construction, cut length, connector pinout and the approved clamping/free-length arrangement. A different but physically fitting cable may change both electrical performance and mechanical fatigue.
Reassess the harness after robot-program changes, tool changes or moved clamps. A faster cycle or new extreme pose can alter twist distribution even when the cable and robot hardware remain the same.
Applications and Selection
Robot dress packs and moving machinery requiring an article-specific electrical and torsional cable specification.
For LAPP OLFLEX ROBOT F1 and 900 P/DP Torsion Cables, define the actual machine duty before selecting an ordering configuration. Include the required operating point, available installation space, environment and control interfaces. The specification table describes the product or family; the surrounding machine determines which of those features matters for the intended job.
Price and Value
Request a quote for exact article, conductor count/size, length, regional markings and termination work. Include robot dress hardware, screen-compatible connectors, assembly inspection and required spare harnesses.
Compare complete installed electrical compatibility and motion duty. Bulk-cable price does not include routing labor, connectors, commissioning or production downtime during harness replacement. A different screen or radius limit can change the installed cost more than a small per-length price difference.
Pros and Cons
Advantages
Explicit cable families for combined bending/torsion
Screened and unshielded configuration choices
Article-specific bending and regional marking data
Limitations
Shielded variants have different torsion limits
Clamping and free length control actual loading
Cycle claims do not guarantee installed harness life
Who Should Consider LAPP OLFLEX ROBOT F1 and 900 P/DP Torsion Cables?
Consider LAPP OLFLEX ROBOT F1 and 900 P/DP Torsion Cables for robot dress packs and moving machinery requiring an article-specific electrical and torsional cable specification. Establish the required operating point and installation interfaces before choosing the configuration, and use a representative loaded cycle as the acceptance basis.
LAPP OLFLEX ROBOT F1 and 900 P/DP Torsion Cables FAQ
Does ±360 degrees mean any cable can twist one full turn?
No. For 900 P the cited limit is per metre; actual free length, distribution and qualified conditions matter.
Does 900 DP share the 900 P torsion limit?
No. The compared catalog lists ±180 degrees/metre for 900 DP versus ±360 for 900 P.
Does every F1(C) use a spiral shield?
No. The catalog identifies braid for 12G1.5 and 18G1.5 versions.
Is a smaller outside diameter always a tighter flexible bend?
No. Apply the article’s radius multiplier; the compared 14.0 mm/15D and 15.4 mm/10D examples give 210 and 154 mm respectively.
Does AWM marking automatically mean TC-ER?
No. Confirm the actual installation marking and electrical scope.
Do cycle-test claims guarantee robot service life?
No. The installed route, loading, environment and motion must match the qualified conditions.
What must be tested after harness assembly?
Conductor identity/continuity, protective conductor, screen/terminations and representative installed motion.
What changes require a route reassessment?
Changed cable construction, free length, clamps, tools or programmed robot poses/speeds.
Prices are indicative and may change. Confirm the final configuration, commercial terms and delivery schedule before ordering.
