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V4 • 2025

Precision Dial Trainer V4

Simulates dial handling safely and repeatably for education and mechanical research.

Auto‑chain: L/R 5.0 → AUX → L/R 2.5 → AUX
Fine jog ±4 steps (~ 1 tick)
Offline • No lithium

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Precision Dial Trainer V4

Main Features

Full Auto‑chain

L/R 5.0 → AUX → L/R 2.5 → AUX with limit‑stop, progress %, newest‑first event log.

Smooth Motion

Acceleration/speed tuned for 400 step/rev motor; audible feedback on motor engage/release.

Touch UI

START/STOP, Speed, Progress, t5 Log; UI locks while running for safety.

Technical Specifications

MotorLeashine HS5722A
DriverDM542‑05 (24V)
Steps/rev400
ControllerArduino Mega Pro
DisplayNextion NX4832
Power24V – 5A
ConnectivityOffline (no Wi‑Fi/BLE)
Loggingt5 newest‑first
Fine jog±4 steps (~ 1 tick)
Operating temp0–40°C
Noise< 60 dB (typical)
ServiceabilityModular, field‑replaceable

* Specifications may vary with configuration; typical values are for reference.

Operating Principle & Cycle Times

The rig rotates the dial through predefined sequences; limit‑stops protect mechanics; progress and logs enable repeatability.

  • 5.0 sweep: ~2.5 hours per full pass.
  • 2.5 sweep: ~12 hours per full pass.
  • Average opening (statistical): ~3 hours.

Quality, Warranty & Compliance

Durability & QC

8‑hour burn‑in; standard fasteners; service‑friendly construction.

Warranty

6‑month hardware warranty for manufacturing defects; email support.

Compliance

For education/demonstration only. No support for illicit use. No Wi‑Fi/BLE, no lithium; strong magnets not included.

Videos

FAQ

Wireless connectivity?

No. The device is fully offline.

Magnets included?

No. Please procure locally to avoid dangerous‑goods classification.

What's in the box?

Main unit, region‑specific power cable, quick guide. Not included: magnets or real safes.

Contact

Inquiries, partnerships, or technical support:

Email: hello@precisiondialtrainer.com

Website: precisiondialtrainer.com