Bộ giảm tốc trục vít bằng nhôm EP-NMRV025

The EP-NMRV025 is the most compact aluminium worm reducer in the NMRV series – just 0.7 kg without motor. Centre distance 25 mm, ratios 5:1 to 60:1, input power 0.06-0.09 kW. Die-cast aluminium housing with corrosion-resistant finish. Ideal for laboratory instruments, automated dispensing mechanisms, and micro-conveyor actuators where weight and space are critical.

Mô tả

EP-NMRV025 Compact Aluminium Worm Reducer – Product Overview

Cái EP-NMRV025 is the smallest unit in the NMRV aluminium worm reducer family – engineered for applications where size and weight constraints dominate the drive selection. At just 0.7 kg and a 25 mm centre distance, this micro-format worm reducer delivers up to 15 Nm output torque across nine standard ratios from 5:1 to 60:1. Unlike the larger NMRV030 which targets general-purpose conveyor and packaging duties with IEC motor flanges, the NMRV025 is purpose-designed for precision mechanism drives: laboratory sample handling, automated dispensing valves, small-format rotary indexing, and instrumentation positioning systems. The die-cast aluminium alloy housing provides corrosion resistance and thermal efficiency at a fraction of the weight of cast iron alternatives – a critical advantage in portable, wall-mounted, and space-constrained equipment. Available as a direct pre-stage for larger NMRV030 and NMRV040 units in double-stage configurations reaching ratios up to 5000:1.

EP-NMRV025 Technical Specifications

EP-NMRV025 aluminium worm reducer dimension drawing 25mm centre distance specification

Tham số Giá trị
Người mẫu EP-NMRV025
Khoảng cách trung tâm 25 mm
Trọng lượng (không bao gồm động cơ) 0.7 kg
Trục đầu ra Ø9 mm j6 tolerance
Rãnh then b1 3 mm
Độ sâu rãnh then t1 10.2 mm
Phạm vi tỷ lệ 5, 7.5, 10, 15, 20, 30, 40, 50, 60
Công suất đầu vào 0.06 – 0.09 kW
Vật liệu xây nhà Hợp kim nhôm đúc, bề mặt sơn phủ.
Bánh răng trục vít Tin-bronze alloy
Trục vít Case-hardened steel, ground finish
Bôi trơn Synthetic oil, lifetime fill
Max Ambient Temp -10°C to +40°C
Xếp hạng IP IP54
Vị trí lắp đặt B3, B6, B7, B8, V5, V6
Double-Stage Options NMRV025/030 (to 3000:1), NMRV025/040 (to 5000:1)

Dữ liệu hiệu suất tại P1 = 0,06 kW (n1 = 1400 vòng/phút)

Tỷ lệ Output Speed (rpm) Mô-men xoắn (Nm) Hệ số dịch vụ Fr2 (N)
5 280 1.8 6.2 439
7.5 186.7 2.6 4.2 503
10 140 3.4 3.5 553
15 93.3 4.9 2.5 633
20 70 6.1 2.0 697
30 46.7 8.2 1.6 798
40 35 10 1.3 878
50 28 12 0.9 946
60 23.3 14 0.7 1006

Performance Data at P1 = 0.09 kW (n1 = 1400 rpm)

Tỷ lệ Output Speed (rpm) Mô-men xoắn (Nm) Hệ số dịch vụ Fr2 (N)
5 280 2.7 4.1 439
7.5 186.7 3.9 2.8 503
10 140 5.1 2.4 553
15 93.3 7.3 1.6 633
20 70 9.2 1.3 697
30 46.7 12 1.1 798
40 35 15 0.9 878

Double-Stage Combinations with NMRV025 as Pre-Stage

Sự kết hợp Phạm vi tỷ lệ Mô-men xoắn đầu ra tối đa
NMRV025/030 100 – 3000:1 Up to 405 Nm
NMRV025/040 300 – 5000:1 Up to 356 Nm

✓ Các tính năng và lợi ích chính

⚖ Ultra-Compact 0.7 kg Footprint
The smallest unit in the NMRV range by a significant margin. Fits inside enclosures and on mechanisms where no other worm reducer can – laboratory carousels, micro-conveyors, and wall-mount actuators.
❄ Corrosion-Resistant Aluminium Housing
Die-cast aluminium alloy with factory-applied protective coating resists humidity, mild chemical splash, and salt spray – outperforming uncoated cast iron in coastal and tropical environments across Australia.
⚛ Low Noise Operation Below 65 dB(A)
The precision-ground worm shaft and tin-bronze worm wheel mesh produces noise levels below 65 dB(A) at rated load – suitable for laboratory, medical, and office-adjacent equipment installations.
⚙ Lifetime Synthetic Oil Fill
Ships pre-filled with synthetic lubricant rated for the full service life under normal conditions. No scheduled oil changes – reducing total cost of ownership for distributed installations.

⚙ Ứng dụng trong công nghiệp

EP-NMRV025 aluminium worm reducer packaging automation and precision instrument applications

⚖ Laboratory and Instrument Drives
Ultra-compact worm reducer for sample carousels, micro-pumps, and analytical instrument positioning. The 0.7 kg weight minimises vibration transfer to sensitive measurement equipment.
⚒ Automated Dispensing and Valve Actuators
Precision speed reduction for micro-dispensing valves and small actuator mechanisms. Ratios to 60:1 deliver the slow, controlled motion dispensing applications require.
⚙ Greenhouse and Agriculture Automation
Lightweight aluminium worm reducer for ventilation actuators, irrigation valves, and seed dispensing mechanisms. Corrosion-resistant housing handles humid greenhouse and outdoor field environments.
⚊ Small Conveyor and Handling Mechanisms
Compact drives for tabletop conveyors, sorting mechanisms, and small-format handling equipment. The NMRV025 fits where larger reducers cannot.

⚙ Hướng dẫn lựa chọn và vị trí lắp đặt

Select the NMRV025 when your application requires output torque below 15 Nm and input power below 0.09 kW. For higher torques up to 24 Nm, step up to the NMRV030. For torques above 30 Nm with IEC motor flange input, the NMRV040 or larger is required. The NMRV025 does not accept an IEC flange motor directly – it uses a solid input shaft requiring a coupling to the motor.

Chức vụ Mã số Ghi chú về mức dầu
Giá đỡ chân ngang B3 Mức đổ tiêu chuẩn đến kính quan sát
Đảo ngược theo chiều ngang B8 Tăng lượng chất lỏng
Đầu ra thẳng đứng hướng lên V5 Giảm lượng chất lỏng
Đầu ra thẳng đứng hướng xuống V6 Đổ đầy tối đa
Gắn tường trái/phải B6/B7 Theo biểu đồ lắp đặt

NMRV series output shaft sizes and keyway dimensions for all sizes

Output Shaft Detail

Tham số Giá trị
Output shaft diameter Ø9 mm j6
Keyway width b1 3 mm
Độ sâu rãnh then t1 10.2 mm

⚖ Aluminium Worm Reducer vs Traditional Cast Iron

Australian buyers increasingly specify aluminium worm reducers for their weight savings, corrosion resistance, and competitive pricing. Here is how the NMRV025 compares to a cast iron equivalent:

Tính năng Nhôm NMRV/NRV Bộ giảm tốc bằng gang
Cân nặng bật lửa 30-50% Đường cơ sở nặng hơn
Khả năng chống ăn mòn Tuyệt vời – hợp kim nhôm Kém – cần phủ lớp bảo vệ
Tản nhiệt Khả năng dẫn điện vượt trội của nhôm Vừa phải
Chi phí đơn vị Thấp hơn Cao hơn
Tiếng ồn Thấp Vừa phải
Phù hợp với động cơ IEC Mặt bích B5/B14 trực tiếp Thường cần bộ chuyển đổi

❓ Câu hỏi thường gặp

▶ What is the maximum output torque of the EP-NMRV025?
At 0.09 kW input and 40:1 ratio, the EP-NMRV025 delivers 15 Nm output torque. At the lowest ratio of 5:1, output torque is 2.7 Nm at 280 rpm. Torque increases with ratio – select based on your required output speed and load.
▶ Can the EP-NMRV025 be used as a pre-stage for larger NMRV reducers?
Yes. The EP-NMRV025 is commonly paired with NMRV030 reaching 3000:1 or NMRV040 reaching 5000:1 in double-stage configurations for ultra-low speed applications such as solar trackers and valve actuators.
▶ What lubrication does the EP-NMRV025 require?
The EP-NMRV025 ships with a lifetime synthetic oil fill. No oil changes are required under normal operating conditions below 40 degrees C ambient and below 80% duty cycle. For continuous heavy-duty, check oil level every 5000 hours.
▶ Is the EP-NMRV025 suitable for food processing environments?
The aluminium housing resists corrosion from washdown chemicals better than cast iron. For direct food contact zones, combine with a stainless steel output shaft sleeve and NSF H1 food-grade lubricant available on request.
▶ What mounting positions does the EP-NMRV025 support?
B3 horizontal, B6 wall-mount left, B7 wall-mount right, B8 inverted, V5 vertical output up, V6 vertical output down. Oil level must be adjusted per position – refer to the mounting position chart.

★ Đánh giá của khách hàng

★★★★★

“Installed 24 units on our laboratory sample carousel. The 0.7 kg weight was critical – our previous drives were 2.8 kg each and caused excessive vibration. Zero issues after 14 months of 16-hour daily operation.”

James T. – Precision Instruments Pty Ltd (Australia)

★★★★★

“Using NMRV025 at 60:1 ratio on our micro-dispensing valve actuators. Precise positioning, very low backlash for a worm reducer at this price point. The compact size fits inside our OEM enclosure without modification.”

Kenji M. – Yamato Automation Co. (Japan)

★★★★★

“Excellent micro worm reducer for our automated greenhouse ventilation actuators. The aluminium housing handles the humid environment well – no corrosion after two growing seasons outdoors. Lightweight enough for wall-mount.”

Erik S. – Nordic Mechatronics AB (Sweden)

⚙ Sản phẩm và phụ kiện liên quan

⚙ Compatible Motors: Solid input shaft – connect any motor via jaw, bellows, or beam coupling. ⚖ Tay đòn momen xoắn: K1=70mm for shaft-mount installations. ⚙ Output Shafts: Single and double solid output shaft options. ⚖ Dust Covers: Input shaft protection for dusty environments.

Giá đỡ phản lực tay đòn momen xoắn để lắp đặt trên trục bộ giảm tốc trục vít NMRV.Protective dust cover for NMRV worm gearbox input shaft

Get Your EP-NMRV025 Quote Today

Vui lòng liên hệ Ever Power để biết giá cả và số lượng OEM. Email: [email protected]

✉ Yêu cầu báo giá Giới thiệu về Ever Power