Keterangan
EPNMRV090 Worm Gearbox — Product Overview
Positioned as the primary torque carrier for mid-range industrial automation, the EPNMRV090 worm gearbox offers a 90 mm centre distance, rated output torque up to 479 Nm, and a 13 kg aluminium housing engineered for continuous-duty manufacturing environments. Australian system integrators specify the EPNMRV-090 for assembly-line indexing tables, robotic auxiliary drives, cut-to-length feeders, CNC load-unload systems, and automated guided vehicle (AGV) traction axles where repeatability, low backlash drift over time, and thermal stability all matter. The EPNMRV090 accepts NEMA 56C, 140TC, and 180TC input flanges and supports six mounting positions, making it straightforward to integrate into either new designs or retrofit projects. Its eleven available reduction ratios from 7.5:1 to 100:1 — combined with generous 7,306 N radial-load capacity at the output shaft — allow engineers to eliminate chains, sprockets, and belt tensioners that would otherwise add maintenance burden on a 24/7 line.
Fokus aplikasi utama: assembly-line indexing tables and robotic auxiliary drives di dalam Industrial Automation & Manufacturing sektor di seluruh pasar industri Australia.
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Technical Specifications — EPNMRV090
Dimensional reference and mechanical rating data for the EPNMRV090 worm gearbox. Refer to the dimensional drawing below for full installation dimensions; all measurements are nominal and confirmed to our factory QA drawings.
Fig. Dimensional drawing — EPNMRV090 with standard output flange
| Spesifikasi | Nilai |
|---|---|
| Model | EPNMRV090 |
| Keluarga Produk | Gearbox Cacing Satu Tahap EPNMRV |
| Bahan Perumahan | Paduan Aluminium Cor (ADC12) |
| Jarak Pusat | 90 mm |
| Berat (tanpa motor) | 13.0 kg |
| Lubang Keluaran (berongga) | 1.375″ (H7 tolerance) |
| Poros Keluaran (padat) | 1.375″ keyed |
| Poros Masukan | 0.875″ keyed |
| Rasio Pengurangan yang Tersedia | 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100:1 |
| Torsi Keluaran Terukur Maksimum | 479 Nm |
| Daya Masukan Maksimum | 3.0 kW @ 1400 rpm |
| Beban Radial Maksimum (Fr2) | 7306 N |
| Opsi Flensa Input NEMA | 56C, 140TC, 180TC |
| Posisi Pemasangan | B3 / B6 / B7 / B8 / V5 / V6 |
| Bahan Poros Cacing | Baja Paduan 20CrMnTi yang Dikeraskan Permukaannya, Digerinda |
| Bahan Roda Cacing | Pengecoran Sentrifugal Timah-Perunggu CuSn12 |
| Pelumasan | Oli Roda Gigi PAG Sintetis (Standar ISO VG 320) |
| Peringkat Perlindungan | Setara dengan IP55 |
| Kisaran Suhu Sekitar | -10 °C hingga +40 °C (rentang yang lebih luas opsional) |
| Opsi Flensa Keluaran | FA / FB / FC / FD (tergantung model) |
| Konfigurasi Poros | Lubang Berongga / Padat Tunggal / Padat Ganda |
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Core Features & Benefits of the EPNMRV090
Every feature of the EPNMRV090 worm gearbox has been engineered to address the specific demands of Australian industrial operators — from coastal humidity and inland dust through to continuous-duty thermal loads.
Precision Grade Gear Set
The EPNMRV090 uses ground-finished worm gear sets matched at the factory, reducing backlash drift over service life — a requirement for indexing tables and robotic auxiliary axes.
Continuous 24/7 Duty Capability
Oversized aluminium finning and a 2.8-litre oil reservoir support round-the-clock operation in Australian manufacturing plants running three-shift production.
479 Nm Rated Output Torque
Enables direct-coupled drives on assembly-line indexing turntables up to 1.5 m diameter without additional gearing stages.
Multiple Flange & Mount Configurations
56C / 140TC / 180TC NEMA inputs plus six B3–V6 mount positions give automation integrators the flexibility to fit the EPNMRV-090 into virtually any machine frame.
7,306 N Radial Load Rating
Allows direct coupling of heavy pinion gears, cam followers, and index cam plates onto the 1.375″ output shaft — eliminating costly outboard bearings.
Quiet Under Load
Ground-profile worm and helical-relief wheel tooth geometry minimises resonance, keeping operator-zone noise below OH&S action thresholds even during peak torque delivery.
Every EPNMRV090 unit is machined, assembled and factory-tested before shipment
Industry Applications — Where the EPNMRV090 Excels
The EPNMRV090 worm gearbox has been specified into thousands of Australian installations across these five primary industry segments. Each application below is drawn from real project experience — not theoretical catalogue duty.
Penanganan Material & Logistik
The EPNMRV090 drives medium-heavy belt conveyors, automated-storage retrieval systems, tilt-tray sorters, and pallet-stretch-wrap turntables in Australian DC operations — a precision worm gearbox for material handling automation.
Pengolahan Makanan & Minuman
Large-scale rotary pallet-stacker drives, bakery band-oven infeed conveyors, and bottling-line depalletiser reducers specify the EPNMRV-090 for its stable continuous-duty performance.
Pertanian & Produksi Primer
Large poultry-shed ventilation augers, grain-handling gantry-crane travel drives, and cotton-gin auxiliary reducers use the EPNMRV090 for its 479 Nm rated torque and robust thermal envelope.
Pertambangan & Pengolahan Mineral
Flotation-cell agitator drives, sample-prep crushing-rolls feeders, and heavy-duty vibrator-screen tensioners use the EPNMRV-090 as a reliable high-torque worm reducer for mineral processing.
Pengolahan Lingkungan & Air
Large circular-clarifier centre drives, anaerobic digester mixer reducers, and sludge belt-press drives in Australian water authorities specify the EPNMRV090 for its balance of torque, thermal capacity, and corrosion resistance.
Panduan Seleksi & Perbandingan
Sizing the EPNMRV090 for Your Application
Penentuan ukuran yang tepat dimulai dengan dua parameter inti: yang dibutuhkan torsi keluaran (M2) dan diwajibkan daya masukan (P1). Follow this three-step process when selecting the EPNMRV090:
- Identifikasi kecepatan keluaran yang dibutuhkan (n2) — this determines your reduction ratio (i). The EPNMRV090 offers ratios from 7.5:1 to 100:1.
- Hitung torsi yang dibutuhkan dengan faktor layanan. — kalikan torsi teoritis dengan faktor layanan yang sesuai (1,0 untuk beban konstan, 1,5–2,0 untuk beban kejut, 2,0–2,5 untuk beban bolak-balik).
- Periksa kapasitas beban radial pada poros keluaran. — overhung sprocket or pulley loads must not exceed 7306 N measured at the shaft midpoint for the EPNMRV090.
Hubungi bagian teknik kami di sales@nmrv-gearbox.xyz dengan parameter aplikasi Anda untuk verifikasi ukuran gratis.
Referensi Posisi Pemasangan (B3 / B6 / B7 / B8 / V5 / V6)
The EPNMRV090 supports six standard mounting orientations. Each orientation affects the required lubrication charge and plug positioning — specify the correct orientation at time of order:
| Posisi | Orientasi | Pengisian Oli Khas |
|---|---|---|
| B3 | Poros horizontal, dudukan kaki (standar) | Pengisian reservoir standar |
| B6 | Poros horizontal, pemasangan di dinding sebelah kiri | Pengisian reservoir standar |
| B7 | Poros horizontal, pemasangan di dinding sebelah kanan | Pengisian reservoir standar |
| B8 | Poros horizontal, dudukan kaki terbalik | Isi standar + 10% |
| V5 | Poros vertikal ke bawah | Pengisian meningkat (+25%) |
| V6 | Poros vertikal ke atas | Pengisian meningkat (+25%) |
Pengisian oli yang tidak tepat untuk orientasi pemasangan tertentu adalah penyebab utama keausan roda gigi cacing yang prematur dalam 1.000 jam pemakaian pertama — tentukan dengan benar saat pemesanan untuk menghindari hal ini.
EPNMRV090 (Aluminium) vs Traditional Cast-Iron Worm Reducers
Pembeli di Australia secara konsisten memilih reduktor cacing berbahan aluminium dibandingkan unit lama berbahan besi cor karena lima alasan yang dapat diukur:
| Atribut | EPNMRV090 Aluminium | Besi Cor Tradisional |
|---|---|---|
| Berat (ukuran setara) | 13.0 kg | ~36.4 kg (approx 2.5–3× heavier) |
| Ketahanan Korosi | Sangat baik — aluminium membentuk lapisan oksida pasif. | Membutuhkan perawatan cat secara aktif. |
| Disipasi Panas | Konduktivitas termal 3–4 kali lebih baik | Terbatas — hanya mengandalkan luas permukaan saja |
| Penanganan Instalasi | Pemasangan oleh satu orang dalam banyak kasus | Biasanya membutuhkan alat bantu angkat meskipun ukurannya kecil. |
| Biaya Pengiriman | Lebih rendah — pengurangan berat kargo udara | Biaya pengiriman udara per unit yang lebih tinggi |
| Titik Harga | Umumnya 15–30% lebih rendah daripada besi cor | Harga premium untuk barang lama |
Frequently Asked Questions — EPNMRV090
Answers to the questions most commonly raised by Australian engineers and procurement buyers specifying the EPNMRV090 worm gearbox.
❓ Is the EPNMRV090 suitable for precision indexing applications?
Yes, with qualifications. Out of the box the EPNMRV-090 offers typical worm-drive backlash of 8–15 arc minutes, which is adequate for most automation indexing where a servo-loop closes on the output position. For precision machining-class applications requiring sub-2 arc-minute backlash, consider pairing with a zero-backlash planetary unit downstream.
❓ How do I size the EPNMRV090 for an AGV traction application?
AGV traction drives typically require 60–90% of rated torque at peak acceleration, with continuous cruise at 30–50% rated. Size the EPNMRV-090 to keep continuous cruise at ≤50% rated torque for acceptable thermal margin. Our engineering team can run a case-specific duty-cycle calculation if you supply the vehicle mass, gradient, and duty profile.
❓ What NEMA motor frames can fit the EPNMRV-090?
The EPNMRV090 accepts NEMA 56C, 140TC, and 180TC flanges — covering motor powers from approximately 0.37 kW up to 3 kW at 1400 rpm input. IEC 80B14, 90B5, and 100B5 frames are also supported. Confirm frame size at order to receive the correctly-machined input cartridge factory-fitted.
❓ How does the EPNMRV090 compare to a helical worm hybrid reducer?
At equal torque rating, the EPNMRV-090 offers a simpler, lower-cost solution with excellent heat dissipation from its aluminium body. Helical-worm hybrids offer marginally higher efficiency (~10% better) but at significantly higher cost and more complex motor-flange interfacing. For most conveyor and material-handling duty, the straight-worm EPNMRV090 remains the cost-effective choice.
❓ What is the expected efficiency at 20:1 ratio on the EPNMRV-090?
At 20:1 ratio with a 1400 rpm input and 70% rated load, expect 75–80% efficiency. At 100:1 ratio the efficiency drops to approximately 45–55% — this is inherent to worm-gear geometry and not a manufacturing variance. Factor the efficiency into motor sizing to avoid chronic motor thermal overload.
❓ Is the EPNMRV090 available with a hollow-bore output for direct drive?
Yes. The EPNMRV-090 is available with a 1.375″ hollow bore H7 tolerance, suitable for direct-mount applications onto a driven shaft with torque arm reaction. Specify the hollow-bore variant at order; retro-conversion from solid-shaft in the field is not practical because different output-flange and bearing housing parts are involved.
