説明
EPPC063/NMRV050 Helical-Worm Combined Reducer
The EPPC063/NMRV050 pairs the 63 mm helical pre-stage with a 50 mm NMRV worm main stage for 100 Nm rated output torque across combined ratios from 10:1 through 700:1. This configuration targets material-handling conveyor drives at Australian DC operations, secondary mixer reducers at food processors, and mid-size packaging-line accumulators. The combined mechanical efficiency of approximately 78 percent compares favourably to a two-stage worm equivalent, with the 9.6 kg aluminium-housed envelope remaining compact enough for retrofit onto existing single-stage NMRV050 mounting positions.
EPPC063/NMRV050 Specifications
Full technical data for the EPPC063/NMRV050 helical-worm combined reducer. Values are verified at end-of-line dynamometer test and retained on serial-number record for five years. Non-standard shaft modifications, food-grade lubricant fills, and mounting-position variations are available on request through our engineering desk.
| 仕様 | 価値 |
|---|---|
| モデル名 | EPPC063/NMRV050 |
| 構成 | らせん状・ウォーム状複合減速機（らせん状前段＋NMRVウォーム主段） |
| 前期型 | PC063 helical gear pre-stage (approximately 96 percent efficient) |
| メインステージタイプ | NMRV050 ウォーム減速機主段 |
| 中心距離 | 63 + 50 mm |
| 定格出力トルク | 100 Nm |
| 複合比率範囲 | 10:1から700:1 |
| 総合的な機械効率 | approximately 78 percent |
| 出力軸回転速度（4極1,400rpm入力） | 2.0～140rpm |
| 前段入力電力（最大） | 0.75 kW |
| 出力穴（中空軸） | 25mm |
| 出力軸径（ソリッドシャフト） | 25mm |
| 出力ラジアル荷重容量 | 北緯2800度 |
| モーターフランジ – NEMA | 56C / 140TC |
| モーターフランジ – IEC規格 | B5 / B14 |
| ハウジング材 | ADC12ダイキャストアルミニウム合金（両ステージ） |
| ヘリカルギアの材質 | 20CrMnTi浸炭合金鋼、研磨仕上げ |
| ウォームシャフトの材質 | 20CrMnTi浸炭合金鋼、研磨済み、ISOグレード6 |
| ウォームホイールの材質 | CuSn12錫青銅遠心鋳造 |
| 潤滑剤 | 合成PAG ISO VG 320（工場充填、共有チャンバー） |
| シャフトシール | Viton（FKM）製ダブルリップシール |
| 侵入保護 | IP55（ラビリンス構造へのアップグレードも可能） |
| 取り付け位置 | B3、B6、B7、B8、V5、V6 |
| 組み立て重量 | 9.6 kg |
Engineering Features of the EPPC063/NMRV050
Six core design characteristics that distinguish the helical-worm combined EPPC063/NMRV050 from alternative two-stage worm reducer constructions. Each feature below is grounded in an operational constraint that Australian OEM specifiers raise during technical qualification.
Improved Thermal Performance
Higher combined efficiency translates directly to lower in-cabinet heat dissipation. Sump temperature rise at continuous full-load duty is typically 15 to 25 degC lower than an equivalent two-stage worm arrangement, relevant for enclosed packaging and conveyor cabinet installations without active cooling.
Better Impact-Load Tolerance
Helical gears handle intermittent impact loading better than worm gears, where the sliding-engagement geometry is more susceptible to damage from shock loads. The helical pre-stage absorbs start-up and cycle-load impacts, protecting the downstream worm main-stage engagement for extended service life.
Self-Locking Output Preserved
The NMRV worm main stage retains the self-locking output characteristic typical of high-reduction worm gearing. Applications requiring a static load-holding condition at the output (conveyor inclines, slow-rotation indexing tables) benefit from the self-locking behaviour without requiring an additional mechanical brake.
Standard NMRV Main Stage
The main stage uses the same NMRV worm-reducer frame as our single-stage range, preserving mounting pattern compatibility, output shaft dimensions and spare-parts interchangeability. Field-replacement worm-wheel sets for the main stage draw on the same stock inventory as our standalone NMRV product range.
ADC12 アルミニウムハウジング
前段および主段のハウジングには、熱伝導性と耐腐食性に優れたADC12ダイキャストアルミニウム合金が使用されています。ユニット全体の重量は、同等のトルク範囲を持つ鋳鉄製ヘリカルウォームに比べて通常30～40%軽量化されており、改修や設置時の取り扱いが容易になります。
合成PAG潤滑剤
複合駆動系全体にISO VG 320合成ポリアルキレングリコールを工場出荷時に充填します。複合構成では、ヘリカルプレステージとウォームメインステージは共通のオイルチャンバーを共有します。工場で校正されたオイル量により、現場での調整に頼ることなく、規定の取り付け方向が維持されます。
Typical EPPC063/NMRV050 Applications Across Australia
The EPPC063/NMRV050 is specified across five primary Australian industry sectors. The descriptions below reflect real installations where the helical pre-stage efficiency advantage over a two-stage worm configuration provides measurable operating-cost benefit or thermal-envelope relief.
資材管理および物流
For material handling and logistics duty, the EPPC063/NMRV050 is specified into continuous-duty roller-conveyor drives, pallet-transfer indexing units and bulk-terminal belt-tensioning reducers at Australian DC operations. The helical pre-stage delivers approximately 78 percent combined mechanical efficiency, substantially higher than the 50 to 70 percent typical of two-stage worm arrangements. At continuous operation this translates to meaningful electrical-energy savings and reduced heat load inside enclosed conveyor cabinets – particularly relevant on 24/7 three-shift Sydney and Melbourne distribution centres.
食品・飲料加工
In food and beverage processing applications, the EPPC063/NMRV050 powers bottling-line spindle drives, palletiser-cell indexing reducers and CIP-tolerant processing conveyors at Australian dairies, craft breweries and meat processors. The higher combined efficiency of the helical pre-stage compared to a two-stage worm configuration matters here because these lines run continuously for long campaigns. Food-grade H1 synthetic lubricant fill is available as a factory option, with stainless fasteners and washdown-tolerant paint on request.
環境・水処理
For environmental and water-treatment service, the EPPC063/NMRV050 drives screw-conveyor sludge transport, slow-speed grit-classifier augers and DAF skimmer reducers at municipal and private industrial plants across regional Australia. The IP55 housing and viton lip-seal package handle the corrosive splash environment of chlorination and caustic-dosing zones. The helical pre-stage maintains efficient torque transmission across a wide input-rpm range, enabling VFD-driven variable-speed duty with stable output torque across the operating envelope.
農業・一次生産
For agricultural and primary-production applications, the EPPC063/NMRV050 is deployed on poultry-house feed-conveyor drives, grain-handling screw-conveyor reducers and irrigation-pump clutch drives on NSW, Victorian and Queensland rural operations. The helical pre-stage efficiency advantage over two-stage worm construction becomes significant where the reducer operates continuously for long periods – electrical consumption on a dairy-shed 24-hour feed line adds up, and the thermal envelope of the aluminium housing handles Queensland summer ambient without active cooling.
鉱業および鉱物加工
In mining and minerals-processing service, the EPPC063/NMRV050 drives ore-sample screw feeders, slow-speed cone-crusher auxiliary reducers and tailings-pond skimmer drives at Pilbara, Kalgoorlie and central Queensland operations. The helical pre-stage provides improved impact-load tolerance compared to worm-only pre-stages – relevant on screen-drive and feeder applications where intermittent shock loading is normal. Labyrinth-seal output upgrade and marine-grade paint are both specified as standard on units destined for tropical-coastal bulk-terminal installations.
How to Specify the EPPC063/NMRV050 Correctly
入力電力、連続運転、または筐体の熱特性により、2段ウォーム減速機に比べて効率面で大きなメリットが得られる場合、ヘリカルウォーム複合減速機が指定されます。重要なチェック項目は、必要な出力トルク、必要な複合減速比、および運転点における実際の連続モータ入力電力の3つです。当社のエンジニアリング部門は、お客様の運転プロファイルに基づいてこれら3つの項目すべてを検証し、サイズ選定の推奨を行います。
1. 出力トルクを確認する
Required torque at the output must fall within the 100 Nm rating of the EPPC063/NMRV050. Apply an appropriate service factor (1.0 uniform / 1.25 moderate shock / 1.5 heavy shock) on the nominal load torque.
2. 複合比率を設定する
駆動負荷における必要出力回転数によって、複合比が決まります。利用可能な複合比は、前段と主段の比の組み合わせによって10:1から700:1までの範囲で設定可能です。比を一致させるには、目標出力回転数を指定してください。
3. モーター電源を確認する
Pre-stage input-power capacity is 0.75 kW maximum. Helical pre-stage efficiency (approximately 96 percent) allows smaller motor sizing than a two-stage worm equivalent for the same driven-load torque.
EPPC063/NMRV050 Technical Questions
The most common technical questions our engineering desk receives on the EPPC063/NMRV050 from Australian OEM design engineers, plant maintenance leads, and specification consultants. Additional questions are welcome by email to our engineering team.
シャフトの特注改造は可能ですか？
メインステージ出力部では、カスタム出力軸長、非標準キー溝、デュアルドライブ構成用の二重延長出力軸、および軸端保護カバーなど、様々なオプションをご用意しております。カタログ外の軸仕様には最低発注数量が適用されます。図面レベルの仕様は、見積もり段階で弊社のエンジニアリング部門とやり取りいたします。
食品グレードまたは洗浄耐性のあるタイプを提供できますか？
USDA H1規格の合成潤滑油の工場充填、ステンレス鋼製ファスナーへのアップグレード、日常的な苛性洗浄（CIP）に耐える耐洗浄性塗装システムはすべてご要望に応じてご提供可能です。見積もり時にご要望を明記していただければ、工場側で適切な潤滑油、シール材の適合性、および表面仕上げを、ヘリカルプレステージとNMRVメインステージの両方のハウジングに合わせて構成いたします。
What combined efficiency does the EPPC063/NMRV050 achieve?
Combined mechanical efficiency of the EPPC063/NMRV050 is approximately 78 percent across the normal operating range, the product of the helical pre-stage (approximately 96 percent) and the NMRV worm main stage (78 to 85 percent depending on the main ratio). This is substantially higher than the 50 to 70 percent typical of two-stage worm arrangements, translating to measurable motor-electrical consumption savings on continuous-duty applications.
When would I choose the EPPC063/NMRV050 over a two-stage worm reducer?
Specify the EPPC063/NMRV050 when: input power is above 0.5 kW and electrical consumption matters, continuous-duty operation is the norm (conveyors, processing lines), impact loading or frequent starts stress the drive train, or thermal headroom in enclosed cabinet installations is constrained. Choose a two-stage worm when very high combined ratios above 700:1 are required, since the helical pre-stage cannot reach the ultra-high ratios of a two-stage worm configuration.
Is the output self-locking on the EPPC063/NMRV050?
The worm main stage retains the self-locking output characteristic typical of high-reduction worm gearing. For most combined ratios above about 50:1 the output is self-locking under static load. The helical pre-stage on its own would not self-lock, but the downstream worm stage provides this characteristic for the combined unit. The static self-locking condition should not substitute a mechanical brake where a brake is a safety requirement.
What motor power is typical for this frame?
The EPPC063/NMRV050 pre-stage input-power capacity is 0.75 kW. Typical Australian OEM applications pair this combined reducer with a 0.75 kW or smaller four-pole three-phase motor, sized to the actual duty torque and output speed rather than the catalogue maximum. Motor-power sizing confirmation is issued by our engineering desk against the customer duty profile during quotation.
What Engineers Say About the EPPC063/NMRV050
オーストラリア国内外のエンジニアリング顧客から寄せられた、検証済みの顧客フィードバックです。氏名および企業名は許可を得て掲載しています。機密性の高いプロジェクトの詳細を保護するため、レビュー本文は必要に応じて言い換えています。
Using the EPPC063/NMRV050 on slow-speed belt-tensioning drives at the terminal. The helical pre-stage handles the intermittent impact loading from belt-starts better than the previous worm-only units, which were experiencing premature worm-wheel wear. Through 14 months of service the replacement units are performing well against the operational profile.
The EPPC063/NMRV050 supports our slow-speed processing-line conveyor drives for regional food-manufacturing customer markets. Input-power capacity at the helical pre-stage allowed a more compact mechanical envelope than the two-stage worm alternatives we evaluated. Documentation supports our export-market CE conformity compilation.
Integrated the EPPC063/NMRV050 into circulation-drive units for our fish-farm agitator product line. Corrosion resistance of the aluminium-housed construction handles the marine salt-air environment well. Helical pre-stage impact-load tolerance matters on circulation-drive start-up where water inertia loads the system momentarily.
Evaluated the EPPC063/NMRV050 for introduction to our distribution catalogue after customer-requested sourcing options. Build inspection at sample-receipt aligned with the datasheet specification, and mechanical-envelope compatibility with European-standard incumbent suppliers was verified. Customer-market response to the helical-worm combined has been positive.
The EPPC063/NMRV050 is being qualified for our heavy-industry conveyor-drive product platform. The input-power capacity at the helical pre-stage and the self-locking output characteristic from the worm main stage together address specifications our customers bring to the machine design stage. Technical exchange with the engineering desk on custom shaft-modification requirements has been productive.
関連するらせん状ワーム複合構造
Three related helical-worm combined reducers across different torque and input-power envelopes. If the EPPC063/NMRV050 is close but not exactly matched to your duty requirement, one of the alternatives below may deliver a better specification fit.
全ページを閲覧する らせん状ワーム複合範囲 または比較する 2段階のワーム代替案を組み合わせたもの.
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