Predictika · Flender B3 bevel helical gear unit selection check
A sales assistant puts together a quote for a Flender B3 bevel helical gear unit and says it is ready to send. Before it goes out, the assistant sends it to Predictika's validator, which checks the required rating, peak torque, thermal capacity, cooling and lubrication against the catalog tables together and reports every problem in one pass.
This validator checks any B3 gear unit selection against the catalog tables, not just the scenarios shown below.
Any B3 selection that touches these rules is in scope, not only the scenarios pictured here. Not checked: other gear unit types, vertical mounting, shaft and coupling loads, and prices (the catalog lists none). The validator reflects the catalog edition named above.
7 scenarios in 3 groups · each group runs from the agent’s first attempt to the outcome · click one to switch
Illustrative agent statement. The validator receives the structured request below.
Proposing agent: sales assistant (scripted)
Before sending, the agent must call Recorded run
What this means
Our assessment of what a typical rules-based configurator or quoting tool (one rule per field, each limit checked on its own) does with the same cases. It is a judgment about effort and reliability, not a claim that nothing can be built.
| What the validator caught | A rules-based product configurator | Predictika |
|---|---|---|
| A rating that depends on many factors at once | Only with care The required rating multiplies several catalog factors that each depend on the application, hours and prime mover, so every combination needs its own rule. | The factors and the rating table are in one model and the required rating is computed on every call. |
| Thermal capacity that depends on the cooling chosen | Only with workarounds Switching from no cooling to fan cooling changes the catalog thermal capacity for the unit, and a checklist treats cooling and thermal capacity as unrelated fields. | Cooling, oil, ambient temperature and altitude are in the same request, so the thermal result follows every change. |
| A rating that is allowed only with a special option | Only with care Shaded catalog cells need forced lubrication, and forced lubrication in turn needs a person to confirm the thermal check, so one rule hides behind another. | The shaded-cell rule and the approval rule are checked together, and a recorded approval is part of the request. |
| A fix that changes the next check | Only with care Moving to a larger size or a different prime mover changes the rating, the thermal capacity and the stated figures together. | Every check is re-evaluated together on each call, whatever order the choices arrive in. |
| Every problem returned in one answer | Only with workarounds Form checks usually stop at the first failing field, so a salesperson fixes one error and meets the next. | All findings come back together. |
Every rule is checked on every call, in any order the choices arrive; one problem never hides another. Blocking findings stop the quote; approval findings need a person to sign off; everything else is computed.
| 1 | The required nominal rating (P2 x f1 x f2) must not exceed the nominal rating P2N of the selected unit. |
| 2 | The thermal capacity PG with the chosen cooling must be at least the thermal power needed (P2 x Kth); otherwise choose stronger cooling or a larger unit. |
| 3 | A rating the catalog marks as shaded requires forced lubrication for horizontal gear units, so dip lubrication is blocked there. |
| 4 | When forced lubrication is ordered, the catalog thermal capacities assume dip lubrication, so the thermal check must be confirmed with Flender (approval). |
| 5 | The peak torque must stay within the limit for the unit, depending on peaks per hour and whether the load is steady or alternating. |
| 6 | The size, ratio and input speed must be in the catalog tables, and a rating shown as a dash or listed on request only cannot be quoted. |
| 7 | A stated nominal rating or required rating that does not match the calculation is blocked. |
| 8 | The ambient temperature must be a catalog step and the altitude must be inside the catalog range. |
| 9 | The installation must be a large hall, otherwise the thermal figures need approval. |
The recorded result of the validator for each scenario on this page: the request the AI agent sent, the verdict, and every finding, in the order they appear above.
The agent's request. Please check this quote for Harlan Aggregates: a Flender B3 size 9 gear unit, ratio 56, 1,500 rpm, for a 71 kW belt conveyor running 12 hours a day with seven 720 Nm peaks an hour at 40 C, with no cooling. The unit rating is 100 kW and the required rating is 92.3 kW. It is ready to send.
Verdict: Blocked.
The agent's request. Fan cooling has been added to the same order for Harlan Aggregates. Everything else is unchanged. Please check it again.
Verdict: Allowed.
The agent's request. Please check this quote for Delmar Bulk Terminals: a Flender B3 size 13 gear unit, ratio 12.5, 1,800 rpm, for a 900 kW belt conveyor running 12 hours a day at 40 C with fan and coil cooling and dip lubrication. The unit rating is 1,198 kW and the required rating is 1,170 kW. It is ready to send.
Verdict: Blocked.
The agent's request. The order for Delmar Bulk Terminals now specifies forced lubrication. Everything else is unchanged. Please check it again.
Verdict: Needs approval.
The agent's request. A Flender application engineer has confirmed the thermal check for the forced lubrication, and the approval is recorded on the order. Please check it once more and release the quote.
Verdict: Needs approval.
The agent's request. Please check this quote for Ridgeway Pump Works: a Flender B3 size 9 gear unit, ratio 56, 1,500 rpm, driven by a 1 to 3 cylinder piston engine for a 71 kW belt conveyor, with fan cooling. The unit rating is 100 kW and the required rating is 138.4 kW. It is ready to send.
Verdict: Blocked.
The agent's request. The order for Ridgeway Pump Works now uses a size 10 unit with a 4 to 6 cylinder piston engine. The unit rating is 123 kW and the required rating is 115.4 kW. Please check it again.
Verdict: Allowed.
The text of the narrated walkthrough, step by step.