توضیحات
EPPC080/NMRV063 Helical-Worm Combined Reducer
The EPPC080/NMRV063 pairs an 80 mm helical pre-stage with a 63 mm NMRV worm main stage to deliver 225 Nm rated output torque at up to 2.2 kW pre-stage input-power capacity. Typical Australian deployments include processing-equipment reducers at food-manufacturing plants, mid-torque mixer drives at water-treatment facilities, and conveyor-system main drives at bulk-terminal operations. The 16.3 kg aluminium-housed envelope replaces cast-iron equivalents substantially heavier, simplifying crane-free installation on conveyor-side mounting positions during scheduled shutdown retrofit work.

EPPC080/NMRV063 Specifications
Full technical data for the EPPC080/NMRV063 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.
| مشخصات | ارزش |
|---|---|
| تعیین مدل | EPPC080/NMRV063 |
| پیکربندی | کاهنده ترکیبی حلزونی-مارپیچی (پیش مرحله حلزونی + مرحله اصلی کرم NMRV) |
| نوع پیش مرحله ای | PC080 helical gear pre-stage (approximately 96 percent efficient) |
| نوع صحنه اصلی | NMRV063 worm reducer main stage |
| فاصله مرکز | 80 + 63 mm |
| گشتاور خروجی نامی | 225 Nm |
| محدوده نسبت ترکیبی | 10:1 to 700:1 |
| راندمان مکانیکی ترکیبی | approximately 80 percent |
| سرعت شفت خروجی (ورودی ۴ قطبی ۱۴۰۰ دور در دقیقه) | 2.0 – 140 rpm |
| توان ورودی پیشمرحلهای (حداکثر) | 2.2 kW |
| سوراخ خروجی (شفت توخالی) | 25 mm |
| قطر شفت خروجی (شفت صلب) | 25 mm |
| ظرفیت بار شعاعی خروجی | 3250 N |
| فلنج موتور – NEMA | 140TC / 180TC |
| فلنج موتور – IEC | B5 |
| جنس بدنه | آلیاژ آلومینیوم دایکاست ADC12 (هر دو مرحله) |
| جنس چرخ دنده مارپیچی | فولاد آلیاژی سختکاری سطحی شده 20CrMnTi، سنگزنی شده |
| جنس شفت کرم | فولاد آلیاژی سختکاری سطحی شده 20CrMnTi، سنگزنی شده با درجه ISO 6 |
| جنس چرخ حلزونی | ریختهگری گریز از مرکز قلع-برنز CuSn12 |
| روان کننده | روغن سنتتیک PAG ISO VG 320 (پر شده در کارخانه، محفظه مشترک) |
| آببندهای شفت | آببندهای دو لبه وایتون (FKM) |
| محافظت در برابر نفوذ | IP55 (ارتقاء به لابیرنت امکانپذیر است) |
| موقعیتهای نصب | B3، B6، B7، B8، V5، V6 |
| وزن مونتاژ شده | 16.3 kg |
Engineering Features of the EPPC080/NMRV063
Six core design characteristics that distinguish the helical-worm combined EPPC080/NMRV063 from alternative two-stage worm reducer constructions. Each feature below is grounded in an operational constraint that Australian OEM specifiers raise during technical qualification.
Synthetic PAG Lubrication
Factory fill with ISO VG 320 synthetic polyalkylene glycol across the combined drive train. The helical pre-stage and worm main stage share a common oil chamber in the combined configuration. Factory-calibrated oil volume maintains the declared mounting orientation without relying on field adjustment.
Viton Double-Lip Shaft Seals
Viton (FKM) double-lip seals at both the pre-stage input shaft and the main-stage output shaft. Continuous service rating to 200 degC handles Australian summer ambient inside enclosed packaging cabinets without hardening or premature cracking, common failure modes for nitrile seal alternatives.
IP55 Ingress Protection
Both stages carry IP55 ingress-protection rating as standard. Labyrinth-seal output-shaft upgrade is available for dust-intensive service in mining and grain-handling applications. Marine-grade paint is specified as standard on units destined for coastal bulk-terminal installations.
IEC and NEMA Motor Flanges
The helical pre-stage motor interface accepts IEC B5 or B14 flange-mount motors as well as NEMA 56C, 140TC, 180TC, and 210TC flange-mount motors depending on the pre-stage frame size. Dual-standard compatibility simplifies motor sourcing across Australian and international customer bases.
Six Mounting Orientations
Factory-supported mounting positions B3, B6, B7, B8, V5 and V6. Declared mounting orientation at order stage sets the factory oil-fill volume calibration. Vertical mounts receive additional oil volume to ensure both the helical pre-stage and worm main-stage engagement surfaces remain properly submerged.
100% End-of-Line Dynamometer Testing
Every combined unit is tested on a closed-loop dynamometer across the catalogue torque range before shipment. Noise measurement in a semi-anechoic booth, sump-temperature rise monitored during run-in, and combined efficiency verified against catalogue specification. Test record is retained per serial number for five years.
Typical EPPC080/NMRV063 Applications Across Australia
The EPPC080/NMRV063 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.

فرآوری مواد غذایی و آشامیدنی
In food and beverage processing applications, the EPPC080/NMRV063 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.

محیط زیست و تصفیه آب
For environmental and water-treatment service, the EPPC080/NMRV063 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.

کشاورزی و تولید اولیه
For agricultural and primary-production applications, the EPPC080/NMRV063 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.

معدن و فرآوری مواد معدنی
In mining and minerals-processing service, the EPPC080/NMRV063 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.

جابجایی مواد و لجستیک
For material handling and logistics duty, the EPPC080/NMRV063 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 80 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.
How to Specify the EPPC080/NMRV063 Correctly
کاهنده ترکیبی حلزونی-مارپیچی زمانی مشخص میشود که توان ورودی، عملکرد پیوسته یا رفتار حرارتی کابینت، مزیت بهرهوری را نسبت به معادل حلزونی دو مرحلهای از نظر عملیاتی قابل توجه کند. سه بررسی مهم است: گشتاور خروجی مورد نیاز، نسبت ترکیبی مورد نیاز و توان ورودی پیوسته واقعی موتور در نقطه کار. میز مهندسی ما قبل از ارائه توصیه اندازه، هر سه مورد را با مشخصات کارکرد مشتری مطابقت میدهد.
۱. گشتاور خروجی را تأیید کنید
Required torque at the output must fall within the 225 Nm rating of the EPPC080/NMRV063. Apply an appropriate service factor (1.0 uniform / 1.25 moderate shock / 1.5 heavy shock) on the nominal load torque.
۲. نسبت ترکیبی را تنظیم کنید
Required output rpm at the driven load determines the combined ratio. Available combined ratios span 10:1 to 700:1 through different pre-stage and main-stage ratio pairings. Specify target output rpm for a ratio match.
۳. قدرت موتور را تأیید کنید
Pre-stage input-power capacity is 2.2 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.

EPPC080/NMRV063 Technical Questions
The most common technical questions our engineering desk receives on the EPPC080/NMRV063 from Australian OEM design engineers, plant maintenance leads, and specification consultants. Additional questions are welcome by email to our engineering team.
Can you supply food-grade or washdown-tolerant variants?
USDA H1-rated synthetic lubricant factory fill, stainless-steel fastener upgrade, and washdown-tolerant paint systems for daily caustic CIP exposure are all available on request. Specify the requirement at quotation so the factory can configure the correct lubricant, seal elastomer compatibility, and surface finish across both the helical pre-stage and NMRV main stage housings.
What combined efficiency does the EPPC080/NMRV063 achieve?
Combined mechanical efficiency of the EPPC080/NMRV063 is approximately 80 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 EPPC080/NMRV063 over a two-stage worm reducer?
Specify the EPPC080/NMRV063 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 EPPC080/NMRV063?
طبقه اصلی حلزونی، مشخصه خروجی خود قفلشونده معمول چرخدندههای حلزونی با کاهش بالا را حفظ میکند. برای اکثر نسبتهای ترکیبی بالای حدود ۵۰:۱، خروجی تحت بار استاتیک خود قفلشونده است. طبقه پیشچرخدنده مارپیچی به خودی خود قفل نمیشود، اما طبقه حلزونی پاییندست این مشخصه را برای واحد ترکیبی فراهم میکند. در جایی که ترمز یک الزام ایمنی است، شرایط خود قفلشوندگی استاتیک نباید جایگزین ترمز مکانیکی شود.
قدرت موتور معمول برای این فریم چقدر است؟
The EPPC080/NMRV063 pre-stage input-power capacity is 2.2 kW. Typical Australian OEM applications pair this combined reducer with a 2.2 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.
عمر مفید مورد انتظار تحت شرایط کاری مداوم چقدر است؟
تحت گشتاور خروجی نامی با روغن مصنوعی مناسب، انتظار میرود ۲۵۰۰۰ تا ۴۰۰۰۰ ساعت کارکرد طول بکشد تا رانش قابل اندازهگیری در لقی شفت خروجی، نشاندهندهی سایش چرخ حلزون در طبقهی اصلی باشد. طبقهی پیشچرخ حلزونی معمولاً در همان چرخهی کاری، سه تا چهار برابر بیشتر از طبقهی اصلی حلزون عمر میکند، بنابراین چرخ طبقهی اصلی به قطعهی محدودکنندهی عمر سرویس تبدیل میشود.
What Engineers Say About the EPPC080/NMRV063
بازخورد تأیید شده مشتری از مشتریان مهندسی استرالیایی و بینالمللی. نامها و شرکتها با اجازه منتشر میشوند. متن بررسی در صورت لزوم برای محافظت از جزئیات پروژه که جنبه تجاری و محرمانه دارند، بازنویسی شده است.
Integrated the EPPC080/NMRV063 into a high-utilisation packaging-line accumulator project for a food-processing customer. The helical-worm combined construction delivered the required output torque at lower motor-electrical consumption compared to the two-stage worm alternative we had initially quoted. Documentation and serial-number traceability supported the customer’s QA-audit requirements.
Introduced the EPPC080/NMRV063 to our Japanese-market distribution catalogue after customer-initiated sourcing enquiries. Mechanical inspection at sample-receipt confirmed the build-tolerance claims on the specification sheet. Customer uptake in the food-processing machinery segment has been encouraging for continued stocking.
Specified the EPPC080/NMRV063 into our bottling-line slow-accumulator conveyor drive product. The combined helical-worm efficiency advantage over the previous two-stage worm specification was validated during qualification testing. Mechanical-envelope reduction and motor-downsize option were both consequences of the efficiency gain.
Qualifying the EPPC080/NMRV063 as a second-source for our palletiser-cell conveyor drive product line. The helical-worm combined efficiency advantage over two-stage worm alternatives translated to a motor-downsize option on the OEM spec sheet. Dimensional interchangeability with the European-standard incumbent made the qualification straightforward.
The EPPC080/NMRV063 addresses the efficiency requirement on our new food-processing conveyor platform for EU-market export. Helical pre-stage thermal behaviour under continuous-duty operation was a specification driver – our customers run these lines for long production campaigns without cabinet cooling.
پیکربندیهای ترکیبی مرتبط با حلزونی-مارپیچی
Three related helical-worm combined reducers across different torque and input-power envelopes. If the EPPC080/NMRV063 is close but not exactly matched to your duty requirement, one of the alternatives below may deliver a better specification fit.
مرور کامل محدوده ترکیبی کرم مارپیچی یا مقایسه با جایگزینهای کرم دو مرحلهای ترکیبی.
Ready to Specify the EPPC080/NMRV063?
پارامترهای چرخه کاری خود را برای دریافت توصیه در مورد اندازه، گزینههای موتور سازگار و یک قیمت قطعی به بخش مهندسی استرالیای ما ارسال کنید. سوالات فنی توسط مهندس مسئول محصول، نه یک بخش فروش عمومی، رسیدگی میشود.

