説明
EP-NRV-E130 — Shaft-Input Aluminium Worm Gearbox with Tail Output Shaft
Technical Specifications — EP-NRV-E130
| パラメータ | 価値 |
|---|---|
| シリーズ | NRV-E (Solid Shaft Input, No Flange, Worm-Direction Tail Output Shaft) |
| 中心距離 | 130 mm |
| 減速比 | 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
| 定格入力電力 | Up to 11 kW |
| 出力速度範囲 | 14～280回転/分（入力1400回転/分時） |
| 最大出力トルク | 12,076 N·m |
| 入力構成 | Solid shaft input (no IEC flange) + worm-direction tail output shaft |
| Input Shaft | Solid keyed shaft input |
| テール出力軸 | ウォーム方向（ウォームシャフトと同軸、反対側） |
| ハウジング材 | ダイキャストアルミニウム合金 |
| ウォームホイールの材質 | リン青銅 |
| ウォームシャフト材質 | 20CrMnTi合金鋼、表面硬化処理、精密研磨 |
| 出力穴径 | 45 mm H7 with keyway |
| 潤滑 | ISO VG 220ギアオイル（工場充填済み） |
| 取り付け位置 | B3、B6、B7、B8、V5、V6 |
| 保護等級 | IP54 |
| 周囲温度 | -10℃～+40℃ |
NRV-E130 Performance Table (11 kW / 1400 r/min)
| 比率（i） | 出力速度（回転/分） | 出力トルク（N・m） | サービス係数（fs） |
|---|---|---|---|
| 7.5 | 187 | 3,893 | 1.9 |
| 10 | 140 | 4,285 | 1.8 |
| 15 | 93 | 4,905 | 1.4 |
| 20 | 70 | 5,399 | 1.1 |
| 25 | 56 | 5,816 | 1.1 |
| 30 | 47 | 6,181 | 1.1 |
| 40 | 35 | 7,607 | 1.2 |
| 50 | 28 | 8,084 | 1.2 |
| 60 | 23 | 8,897 | 1.0 |
| 80 | 18 | 10,185 | 1.0 |
| 100 | 14 | 12,076 | 1.1 |
✅ 主な機能と独自のメリット
🔗 ウォーム方向テール出力軸 — 重要な差別化要因
The defining feature of the NRV-E130 is its additional tail output shaft that extends in the same direction as the worm shaft axis. This second output enables simultaneous drive of two independent loads from a single gearbox — a primary application drive via the main output bore and a secondary auxiliary drive (encoder, tachometer, small pump, or fan) via the tail shaft.
📥 11 kW Chain + Port Throughput Monitoring
The NRV-E130 handles 11 kW chain input from diesel engines or hydraulic motor stations while the tail shaft provides the speed signal for port terminal management throughput monitoring systems.
◯ Same Torque as Standard NRV130
The NRV-E130 delivers identical maximum output torque (12,076 N·m) to the standard NRV130, confirming that the tail shaft adds zero performance penalty on the main output. The tail shaft is driven directly off the worm shaft end, not the output stage.
🅆 エンコーダーとフィードバックの準備完了
テール出力軸は、閉ループモーション制御システムにおいてウォームシャフトの速度を監視するロータリーエンコーダ、タコジェネレータ、パルスジェネレータを直接接続するための接続点を提供し、外部エンコーダブラケットやカップリングハードウェアを不要にします。
🚫 IP54 — 二重シールによる完全性
メイン出力穴とテールシャフト出口の両方に二重接触リップシールが採用されており、あらゆる取り付け方向において、どちらのシャフト接続部からも油漏れがなく、IP54の保護等級を維持します。
🏭 アプリケーションシナリオ
🚢 Heavy Crane Hoist Monitoring
Extra-large NMRV-E130 worm gearbox for gantry crane hoist drum drives where the tail shaft provides real-time hoist speed feedback to the crane overload protection system.
📥 Port Bulk Handling SCADA
High-power worm gear reducer with tail output shaft for port grain conveyor drives where the tail shaft speed signal confirms throughput rate to the terminal management system.
🍲 Large Mining Instrumented Drive
Aluminium worm gearbox with tail shaft for large surface mining conveyor drives where the tail-mounted encoder feeds belt speed data to the mine belt management and splice monitoring system.
⚙ Large Reactor Process Control
NMRV-E130 worm gearbox for large chemical reactor agitator drives where the tail shaft encoder provides process speed feedback to the reactor control system for viscosity-controlled mixing.
🔎 選択ガイド
Worked Example — Stacker-Reclaimer Position
Required: NRV-E130 at i=60, chain-driven from 11 kW diesel engine, tail shaft to terminal management encoder. Output speed = 23 r/min, torque = 8,897 N·m. Tail shaft: 500 PPR encoder, 45 mm bore. ✅ NRV-E130-60 selected.
⚖ NRV-E130 vs Standard NRV130
| 特徴 | EP-NRV-E130 (with Tail Shaft) | EP-NRV130 (Standard) |
|---|---|---|
| テール出力軸 | ✅ はい — ワーム方向 | いいえ |
| エンコーダー／フィードバックマウント | テールシャフトに直接 | 外部ブラケットが必要です |
| デュアルロードドライブ | はい — メイン + テール | いいえ — 出力は1つだけです |
| 主出力トルク | 12,076 N·m | 12,076 N·m |
| 住宅の寸法 | やや長め（尾部突出部） | 標準長さ |
| Shaft Input | Yes — solid keyed shaft | Yes — solid keyed shaft |
NRV-E130 Main Output Shaft Dimensions
| G1（mm） | K1（mm） | L/DZ (mm) | L1/SZ（mm） | b2（mm） | d h6 (mm) | キーウェイ |
|---|---|---|---|---|---|---|
| 170 | 170 | 265 | 340 | 14 | 45 | M16 |
❓よくある質問
What is the tail output shaft on the EP-NRV-E130 and how is it different from the main output?
The tail shaft on the NRV-E130 exits the housing in the worm-direction axis (opposite end of the worm shaft), while the main output bore is perpendicular (90 degrees) to the worm axis. The tail shaft is driven off the worm shaft end and is used for encoder mounting, tachometer connection, or light auxiliary drive, while the main output delivers the full 12,076 N·m load torque.
Does the tail shaft reduce the main output torque of the NRV-E130?
No. The tail shaft draws only the small torque needed for its connected device. The main output retains the full 12,076 N·m rating, identical to the standard NRV130.
What is the input shaft specification for the NRV-E130?
The NRV-E130 has a solid keyed input shaft (no IEC flange). The shaft diameter matches the equivalent NMRV130 bore input diameter. It accepts chain sprockets, belt pulleys, and rigid couplings. A bilateral (double-ended) input shaft is standard; single-end configuration available on request.
What encoder types can be mounted on the NRV-E130 tail shaft?
Any standard keyed rotary encoder with the matching bore diameter can be mounted on the NRV-E130 tail shaft: incremental (5V–24V, 100–10,000 PPR), SSI absolute, or resolver-type. Confirm the encoder bore size and keyway before ordering. The tail shaft key dimensions match the catalogue DZ shaft specification for NMRV-E130.
Can the NRV-E130 be used for closed-loop speed control in a chain-driven system?
Yes. The NRV-E130 is the ideal solution for chain-driven systems requiring closed-loop speed feedback. The chain drives the solid input shaft; the main output drives the load; and the tail shaft mounts an encoder that feeds speed/position data back to the controller. This eliminates the need for a separate encoder mounting bracket or a second independent encoder drive arrangement.
⭐ お客様の声
★★★★★
“Our heavy gantry crane long-travel chain drives use NRV-E130 units with tail-shaft encoders. Load positioning resolution improved to plus/minus 5 mm and our crane operators report significantly greater confidence in precision load placement.”
Craig S. — Crane Engineer, Heavy Industry 🇦🇺 Australia (SA)
★★★★★
“The NRV-E130 chain-drives our port stacker-reclaimer slewing mechanism and the tail-shaft encoder provides position data to our terminal management system. Installation was straightforward and the encoder interface was plug-and-play with our existing control hardware.”
Marco P. — Terminal Engineer, Bulk Port 🇳🇿 New Zealand
★★★★☆
“We use NRV-E130 on our large mining conveyor chain drive. The tail-shaft rotation sensor provides belt-speed data to our conveyor belt management system. Single-stage worm reduction replaced a two-stage arrangement and simplified maintenance significantly.”
Chris A. — Maintenance Superintendent, Gold Mine 🇦🇺 Australia (WA)
⚙ アクセサリー＆互換製品
⚡ IECモーター（B5/B14）
IECフランジ付きの標準ACモーター。可変速制御用のVFDインバーター対応バージョンもご用意しています。
🔗 出力軸キット
シングルソリッド（DZ）、ダブルエンド（SZ）、出力フランジ（F）、中空フランジ（FL）—すべてH7/h6公差で、標準キー溝付き。
🔨トルクアーム＆ブラケット
シャフト取り付け構成用のスチール製トルク反力アーム。B3/B6方向用の脚部取り付けプレート。
🔒シール＆ブリーザーキット
交換用リップシールキット、通気孔付きブリーザープラグ、および磁気ドレンプラグにより、メンテナンス間隔を延長できます。
Specify the EP-NRV-E130
Our team will confirm the input shaft, ratio, and encoder bore for your extra-large chain-driven instrumented industrial application.
の EP-NRV-E130 aluminium worm gearbox combines a solid shaft input (no IEC flange) with an additional worm-direction tail output shaft. Centre distance 130 mm, ratios 5 to 100, input power up to 11 kW, max output torque 12,076 N·m. The tail shaft enables simultaneous encoder feedback, safety interlock monitoring, or auxiliary drive — the ideal instrumented shaft-input worm gearbox for chain-driven closed-loop agricultural, industrial, and mining drive systems.
