Right Angle Helical Bevel Gearbox
What Is a Right Angle Helical Bevel Gearbox?
The K series right angle reducer is a helical bevel gear reducer widely used in industrial transmission systems. Its output shaft is positioned at a 90-degree angle to the motor shaft, making it ideal for equipment with limited installation space.
Compared with traditional parallel shaft gearboxes, K series reducers provide higher torque transmission efficiency while maintaining a compact structure. These reducers are commonly used in conveyors, mixers, lifting equipment, packaging machinery, and automated production lines.
Because of their stable performance and heavy-load capacity, K series gearboxes are widely adopted in industries such as metallurgy, food processing, mining, logistics, and chemical engineering.











Main Structure of K Series Helical Bevel Gear Reducer
A standard K series right angle gearbox mainly consists of the following components:
Cast Iron Housing
The housing is typically made from high-strength cast iron with reinforced rigidity. It helps reduce vibration and deformation during heavy-duty operation.
The compact gearbox design also improves heat dissipation and extends service life under continuous industrial workloads.
Hardened Helical & Bevel Gears
K series reducers use alloy steel gears processed through carburizing and quenching treatment. Gear surface hardness usually reaches 56–62 HRC.
Precision grinding technology improves gear meshing accuracy, reduces noise, and increases transmission efficiency.
Bearing & Sealing System
High-quality bearings support stable rotation under high torque conditions. Imported sealing components help prevent lubricant leakage and contamination.
Proper sealing is especially important for dusty or humid industrial environments.















Conveyor Systems: 90° output saves space; e.g., K87 + 4 kW motor for stable heavy‑load logistics conveying.
Food Processing: Low noise and continuous operation suit mixers, fillers, and packaging equipment.
Metallurgy: High torque and shock resistance fit rolling mills and material handling.
Chemical Mixing: Reliable sealing works in humid/corrosive environments with less maintenance.
















Q1: How long does a K series reducer last?
A1: Under proper operating conditions and regular maintenance, service life can exceed 10,000 operating hours.
Q2: Can K series reducers be customized?
A2: Yes. Many manufacturers provide customized output shafts, ratios, mounting types, and motor configurations.
Q3: What industries use K series reducers?
A3: They are widely used in logistics, mining, metallurgy, food processing, packaging, and chemical industries.
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