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Home > Products > Niemann Worm Gear Units > MHI HASEG Worm Gear Reducer SHVA Series

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MHI HASEG Worm Gear Reducer SHVA Series

The MHI HASEG Worm Gear Reducer SHVA Series offers a compact, high‑efficiency solution for applications requiring precise speed reduction and reliable torque transmission. Engineered with MHI HASEG’s unique Niemann tooth profile, the MHI HASEG Worm Gear Reducer SHVA Series delivers exceptional load capacity and durability, making it ideal for conveyors, mixers, packaging machinery, and other industrial equipment.

 

MHI HASEG Worm Gear Unit-2.png

 

Key Features

  1. Ultra‑High Efficiency

    The MHI HASEG Worm Gear Reducer SHVA Series employs a special concave‑convex Niemann tooth geometry that minimizes Hertzian stresses and promotes excellent oil‑film formation, achieving higher transmission efficiency and reduced wear.

  2. Enhanced Load Capacity

    With a large tooth root thickness on the worm wheel and an increased contact curvature radius, this reducer withstands greater radial and axial loads, extending service life under demanding conditions. 

  3. Smooth, Low‑Noise Operation

    Precise tooth alignment and optimized tooth flank design ensure quiet running and minimal vibration, contributing to a more comfortable work environment and reduced noise pollution. 

  4. Self‑Locking Capability

    Worm lead angles below 5° provide inherent back‑driving prevention. When stationary, the MHI HASEG Worm Gear Reducer SHVA Series maintains position without additional braking, enhancing safety in vertical or inclined installations. 

  5. Easy Maintenance & Lubrication

    Standard splash lubrication uses specified Klüber oils (“SYNTHESO HT” or “SYNTH GH6”). Grease nipples facilitate periodic bearing replenishment without disassembly, while run‑in recommendations help achieve optimal surface finish and performance. 

  6. Flexible Mounting Options

    Available in sizes from 65 mm to 500 mm center distance, the MHI HASEG Worm Gear Reducer SHVA Series supports a wide range of reduction ratios (iN = 5 to 50) and input speeds (up to 1 800 min⁻¹), with hollow‑shaft, solid‑shaft, and dual‑shaft configurations for versatile integration. 

Typical Specifications

Specification

 SHVA Series Range
Center Distance (mm) 65, 80, 99, 100, 125, 160, 200, 225, 250, 280, 320, 360, 400, 450, 500
Reduction Ratio (iN) 5, 6.3, 8, 10, 12.5, 16, 20, 25, 31.5, 40, 50
Rated Output Torque (T₂N, Nm) 180 – 20 000 Nm (size‑dependent)
Maximum Input Speed (n₁, min⁻¹) 1 800 / 1 500 / 1 000 / 750 / 500 / 300
Efficiency (η) Up to 90 % (ratio‑dependent)
Lubrication Splash (standard); forced‑lubrication optional
Materials Alloy steel worm; high‑grade bronze wheel
Operating Temperature –10 °C to +40 °C
Protection Class IP54 (standard)
 

Applications

  • Conveyor Systems: Precise speed control under varying loads.

  • Packaging Machinery: Quiet operation and long maintenance intervals.

  • Lifting & Hoisting: Self‑locking prevents accidental back‑drive.

  • Food Processing: Hygienic design with contained lubrication.

  • Textile & Printing: High positioning accuracy with minimal backlash.

Why Choose the SHVA Series?

  • Reliability: Proven in over 25 000 hours of continuous operation when properly selected and maintained.

  • Efficiency: Niemann tooth profile maximizes power transmission while minimizing losses.

  • Versatility: Broad size and ratio offerings support nearly any mechanical design requirement.

  • Support: Comprehensive selection guide, detailed manuals, and local expert assistance ensure trouble‑free integration.

For more information or to request a quote on the MHI HASEG Worm Gear Reducer SHVA Series, please contact: Melink Automation or visit our website.
Melink Automation – your trusted partner for genuine MHI HASEG worm gear solutions.

 

MHI HASEG Worm Gear Reducer SHVA  Series Size：65・80・99（Output Shaft Arrangement：Left）

 

SHVA Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SHVA  Series Size
65 80 99
Output Shaft Arrangement：Left 5 SHVA65LB-5 SHVA80LB-5 SHVA99LB-5
6.3 SHVA65LB-6.3 SHVA80LB-6.3 SHVA99LB-6.3
8 SHVA65LB-8 SHVA80LB-8 SHVA99LB-8
10 SHVA65LB-10 SHVA80LB-10 SHVA99LB-10
12.5 SHVA65LB-12.5 SHVA80LB-12.5 SHVA99LB-12.5
16 SHVA65LB-16 SHVA80LB-16 SHVA99LB-16
20 SHVA65LB-20 SHVA80LB-20 SHVA99LB-20
25 SHVA65LB-25 SHVA80LB-25 SHVA99LB-25
31.5 SHVA65LB-31.5 SHVA80LB-31.5 SHVA99LB-31.5
40 SHVA65LB-40 SHVA80LB-40 SHVA99LB-40
50 SHVA65LB-50 SHVA80LB-50 SHVA99LB-50

 

MHI HASEG Worm Gear Reducer SHVA  Series Size：65・80・99（Output Shaft Arrangement：Right）

 

SHVA Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SHVA  Series Size
65 80 99
Output Shaft Arrangement：Right 5 SHVA65RB-5 SHVA80RB-5 SHVA99RB-5
6.3 SHVA65RB-6.3 SHVA80RB-6.3 SHVA99RB-6.3
8 SHVA65RB-8 SHVA80RB-8 SHVA99RB-8
10 SHVA65RB-10 SHVA80RB-10 SHVA99RB-10
12.5 SHVA65RB-12.5 SHVA80RB-12.5 SHVA99RB-12.5
16 SHVA65RB-16 SHVA80RB-16 SHVA99RB-16
20 SHVA65RB-20 SHVA80RB-20 SHVA99RB-20
25 SHVA65RB-25 SHVA80RB-25 SHVA99RB-25
31.5 SHVA65RB-31.5 SHVA80RB-31.5 SHVA99RB-31.5
40 SHVA65RB-40 SHVA80RB-40 SHVA99RB-40
50 SHVA65RB-50 SHVA80RB-50 SHVA99RB-50

 

 

MHI HASEG Worm Gear Reducer SHVA  Series Size：100~250（Output Shaft Arrangement：Left）

 

SHVA Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SHVA  Series Size
100 125 160 200 225 250
Output Shaft Arrangement：Left 5 SHVA100LB-5 SHVA125LB-5 SHVA160LB-5 SHVA200LB-5 SHVA225LB-5 SHVA250LB-5
6.3 SHVA100LB-6.3 SHVA125LB-6.3 SHVA160LB-6.3 SHVA200LB-6.3 SHVA225LB-6.3 SHVA250LB-6.3
8 SHVA100LB-8 SHVA125LB-8 SHVA160LB-8 SHVA200LB-8 SHVA225LB-8 SHVA250LB-8
10 SHVA100LB-10 SHVA125LB-10 SHVA160LB-10 SHVA200LB-10 SHVA225LB-10 SHVA250LB-10
12.5 SHVA100LB-12.5 SHVA125LB-12.5 SHVA160LB-12.5 SHVA200LB-12.5 SHVA225LB-12.5 SHVA250LB-12.5
16 SHVA100LB-16 SHVA125LB-16 SHVA160LB-16 SHVA200LB-16 SHVA225LB-16 SHVA250LB-16
20 SHVA100LB-20 SHVA125LB-20 SHVA160LB-20 SHVA200LB-20 SHVA225LB-20 SHVA250LB-20
25 SHVA100LB-25 SHVA125LB-25 SHVA160LB-25 SHVA200LB-25 SHVA225LB-25 SHVA250LB-25
31.5 SHVA100LB-31.5 SHVA125LB-31.5 SHVA160LB-31.5 SHVA200LB-31.5 SHVA225LB-31.5 SHVA250LB-31.5
40 SHVA100LB-40 SHVA125LB-40 SHVA160LB-40 SHVA200LB-40 SHVA225LB-40 SHVA250LB-40
50 SHVA100LB-50 SHVA125LB-50 SHVA160LB-50 SHVA200LB-50 SHVA225LB-50 SHVA250LB-50

 

MHI HASEG Worm Gear Reducer SHVA  Series Size：100~250（Output Shaft Arrangement：Right）

 

SHVA Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SHVA  Series Size
100 125 160 200 225 250
Output Shaft Arrangement：Right 5 SHVA100RB-5 SHVA125RB-5 SHVA160RB-5 SHVA200RB-5 SHVA225RB-5 SHVA250RB-5
6.3 SHVA100RB-6.3 SHVA125RB-6.3 SHVA160RB-6.3 SHVA200RB-6.3 SHVA225RB-6.3 SHVA250RB-6.3
8 SHVA100RB-8 SHVA125RB-8 SHVA160RB-8 SHVA200RB-8 SHVA225RB-8 SHVA250RB-8
10 SHVA100RB-10 SHVA125RB-10 SHVA160RB-10 SHVA200RB-10 SHVA225RB-10 SHVA250RB-10
12.5 SHVA100RB-12.5 SHVA125RB-12.5 SHVA160RB-12.5 SHVA200RB-12.5 SHVA225RB-12.5 SHVA250RB-12.5
16 SHVA100RB-16 SHVA125RB-16 SHVA160RB-16 SHVA200RB-16 SHVA225RB-16 SHVA250RB-16
20 SHVA100RB-20 SHVA125RB-20 SHVA160RB-20 SHVA200RB-20 SHVA225RB-20 SHVA250RB-20
25 SHVA100RB-25 SHVA125RB-25 SHVA160RB-25 SHVA200RB-25 SHVA225RB-25 SHVA250RB-25
31.5 SHVA100RB-31.5 SHVA125RB-31.5 SHVA160RB-31.5 SHVA200RB-31.5 SHVA225RB-31.5 SHVA250RB-31.5
40 SHVA100RB-40 SHVA125RB-40 SHVA160RB-40 SHVA200RB-40 SHVA225RB-40 SHVA250RB-40
50 SHVA100RB-50 SHVA125RB-50 SHVA160RB-50 SHVA200RB-50 SHVA225RB-50 SHVA250RB-50

 

 

MHI HASEG Worm Gear Reducer SHVA  Series Size：280~500（Output Shaft Arrangement：Left）

 

SHVA Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SHVA  Series Size
280 320 360 400 450 500
Output Shaft Arrangement：Left 5 SHVA280LB-5 SHVA320LB-5 SHVA360LB-5 SHVA400LB-5 SHVA450LB-5 SHVA500LB-5
6.3 SHVA280LB-6.3 SHVA320LB-6.3 SHVA360LB-6.3 SHVA400LB-6.3 SHVA450LB-6.3 SHVA500LB-6.3
8 SHVA280LB-8 SHVA320LB-8 SHVA360LB-8 SHVA400LB-8 SHVA450LB-8 SHVA500LB-8
10 SHVA280LB-10 SHVA320LB-10 SHVA360LB-10 SHVA400LB-10 SHVA450LB-10 SHVA500LB-10
12.5 SHVA280LB-12.5 SHVA320LB-12.5 SHVA360LB-12.5 SHVA400LB-12.5 SHVA450LB-12.5 SHVA500LB-12.5
16 SHVA280LB-16 SHVA320LB-16 SHVA360LB-16 SHVA400LB-16 SHVA450LB-16 SHVA500LB-16
20 SHVA280LB-20 SHVA320LB-20 SHVA360LB-20 SHVA400LB-20 SHVA450LB-20 SHVA500LB-20
25 SHVA280LB-25 SHVA320LB-25 SHVA360LB-25 SHVA400LB-25 SHVA450LB-25 SHVA500LB-25
31.5 SHVA280LB-31.5 SHVA320LB-31.5 SHVA360LB-31.5 SHVA400LB-31.5 SHVA450LB-31.5 SHVA500LB-31.5
40 SHVA280LB-40 SHVA320LB-40 SHVA360LB-40 SHVA400LB-40 SHVA450LB-40 SHVA500LB-40
50 SHVA280LB-50 SHVA320LB-50 SHVA360LB-50 SHVA400LB-50 SHVA450LB-50 SHVA500LB-50

 

MHI HASEG Worm Gear Reducer SHVA  Series Size：280~500（Output Shaft Arrangement：Right）

 

SHVA Gear Ratio: 5~50 MHI HASEG Worm Gear Reducer SHVA  Series Size
280 320 360 400 450 500
Output Shaft Arrangement：Right 5 SHVA280RB-5 SHVA320RB-5 SHVA360RB-5 SHVA400RB-5 SHVA450RB-5 SHVA500RB-5
6.3 SHVA280RB-6.3 SHVA320RB-6.3 SHVA360RB-6.3 SHVA400RB-6.3 SHVA450RB-6.3 SHVA500RB-6.3
8 SHVA280RB-8 SHVA320RB-8 SHVA360RB-8 SHVA400RB-8 SHVA450RB-8 SHVA500RB-8
10 SHVA280RB-10 SHVA320RB-10 SHVA360RB-10 SHVA400RB-10 SHVA450RB-10 SHVA500RB-10
12.5 SHVA280RB-12.5 SHVA320RB-12.5 SHVA360RB-12.5 SHVA400RB-12.5 SHVA450RB-12.5 SHVA500RB-12.5
16 SHVA280RB-16 SHVA320RB-16 SHVA360RB-16 SHVA400RB-16 SHVA450RB-16 SHVA500RB-16
20 SHVA280RB-20 SHVA320RB-20 SHVA360RB-20 SHVA400RB-20 SHVA450RB-20 SHVA500RB-20
25 SHVA280RB-25 SHVA320RB-25 SHVA360RB-25 SHVA400RB-25 SHVA450RB-25 SHVA500RB-25
31.5 SHVA280RB-31.5 SHVA320RB-31.5 SHVA360RB-31.5 SHVA400RB-31.5 SHVA450RB-31.5 SHVA500RB-31.5
40 SHVA280RB-40 SHVA320RB-40 SHVA360RB-40 SHVA400RB-40 SHVA450RB-40 SHVA500RB-40
50 SHVA280RB-50 SHVA320RB-50 SHVA360RB-50 SHVA400RB-50 SHVA450RB-50 SHVA500RB-50

 
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