
The cast iron worm helical gearbox has a high technological content. It combines helical gears with worm gears for transmission, improving the torque and efficiency of this machine. It is mainly composed of an input shaft, an output shaft, helical gears, oil seals, bearings, worm gears and a housing, etc. The cast iron worm helical gearbox mainly utilizes the meshing between helical gears and worm gears to reduce speed and increase torque. When the input shaft rotates, the high-speed rotation of the input shaft is converted into the low-speed rotation of the helical gear through the meshing of the helical gear. Then, the worm gear meshes with the helical gear, converting the low-speed rotation of the helical gear into the high-torque rotation of the output shaft. The input shaft is connected to the motor, and the output shaft is connected to the driven mechanism. It has a wide speed range, good versatility, and can adapt to various installation methods. The performance is safe, reliable and has a long service life, meeting international standards.
The key components of the cast iron worm helical gearbox motor are made of highly wear-resistant materials and have undergone special heat treatment. It features high processing accuracy, smooth transmission, small volume, large load capacity and long service life. This reducer can be equipped with various types of motors, forming mechatronics. It fully guarantees the quality characteristics of product usage.
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Important parameters of cast iron worm helical gearbox
|
Item |
Details |
|
Type |
S Series Worm Helical Gear Reducer |
|
Model |
S37, 47, 57, 67, 77, 87, 97 |
|
SF37, 47, 57, 67, 77, 87, 97 |
|
|
SA37, 47, 57, 67, 77, 87, 97 |
|
|
SAF37, 47, 57, 67, 77, 87, 97 |
|
|
Reduction Ratio |
Customized according to customer needs |
|
Input Power |
0.12kW~22kW |
|
Color |
Silver/Blue/Grey or Customized according to customer needs |
|
Housing Material |
Gray Iron,Ductile Iron (Customizable) |
|
Housing Hardness |
HT200 |
|
Worm Gear Material |
Tin Bronze 12-2# |
|
Gear Material |
20CrMnTi Alloy Steel |
|
Gear Surface Hardness |
HRC37°~62° |
|
Gear Core Hardness |
HRC30~45 |
|
Input/Output Shaft Material |
40Cr Alloy Steel |
|
Input/Output Shaft Hardness |
HRC25~30 |
|
Gear Machining Precision |
Precision Grinding, Grade 6 |
|
Heat Treatment |
Tempering, Carburizing, Quenching, etc. |
|
Efficiency |
94%~96% (depending on the transmission stage) |
|
Noise (MAX) |
60~68dB |
|
Temperature Rise (MAX) |
40°C |
|
Oil Temperature Rise (MAX) |
50°C |
|
Vibration |
≤20µm |
|
Backlash |
≤20Arcmin |
|
Bearing Brand |
Top Chinese Brand Bearings, C&U (Renben), or Customized Brands as per Customer Request (e.g., SKF, FAG, NSK,) |
|
Oil Seal Brand |
SKF/KSK |
|
Packaging |
Wooden Case |
|
Lubricating Oil |
GB L-CKC220-460, Shell Omala220-460 |
|
Applications |
wastewater treatment, dredging machinery, steel production, textile manufacturing, conveying and lifting systems, chemical processing, fan operations, sugar production (both cane and beet), cable car systems, cement production, paper machinery, and compressors. |








