China manufacturer Desboer Nb115 Series Double Segment High Precision Standard Backlash High Torque High Rigidity Helical Gear Planetary Gearbox for Servo Motor. sequential gearbox

Product Description

NB115 series adopts the design of integrating its sun gear and input shaft, the design of integrating its output structure. Using high- strength bearing, the product itself is characterized by high load, high precision, and low noise, focusing on the use of automation equipment, various types of packaging, printing, lithium-ion, LCD screens, robots, palletizers, woodworking, doors and windows and other industry sectors.

Product Name: High Precision Planetary Gearbox
Product Series: NB115 Series
Product features: high precision, high load, low noise.
Product Description:
Integrated design concept with high strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimises power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

High precision
High load
Low noise

Detailed Photos

Product Parameters

Segment number	Double segment
Ratio	i	15	20	25	30	35	40	45	50	60	70	80	90	100


Rated output torque	Nm	190	270	310	290	280	240	210	310	290	280	240	210	210
Emergency stop torque	Nm	Three times of Maximum Output Torque
Rated input speed	Rpm	4000
Max input speed	Rpm	8000
Ultraprecise backlash	arcmin	≤3
Precision backlash	arcmin	≤5
Standard backlash	arcmin	≤7
Torsional rigidity	Nm/arcmin	25
Max.bending moment	Nm	6700
Max.axial force	N	3350
Service life	hr	20000(10000 under continuous operation)
Efficiency	%	≥94%
Weight	kg	9
Operating Temperature	ºC	-10ºC~+90ºC
Lubrication		Synthetic grease
Protection class		IP64
Mounting Position		All directions
Noise level(N1=3000rpm,non-loaded)	dB(A)	≤63
Rotary inertia	Kg·cm²	0.47								0.44

Applicable Industries

Packaging Machinery Mechanical Hand Textile Machinery

Non Standard automation Machine Tool Printing Equipment

Using Helical Gearboxes for Speed Reduction and Speed Increase

Yes, helical gearboxes can be used for both speed reduction and speed increase in various applications. The design of helical gears allows them to transmit motion and power between non-parallel shafts while changing the rotational speed.

Speed Reduction: When the driving gear (pinion) has fewer teeth than the driven gear, the gear ratio leads to speed reduction. This is commonly used in applications where the input speed needs to be decreased while increasing the output torque. For example, helical gearboxes are often employed in conveyor systems to reduce the speed of the motor while maintaining sufficient torque to move heavy loads.

Speed Increase: Helical gearboxes can also achieve speed increase by having the driving gear (pinion) with more teeth than the driven gear. This configuration is less common but can be used to increase the output speed while sacrificing some torque. Speed increase applications are typically seen in scenarios where higher speeds are required, such as in certain types of machinery or industrial processes.

It’s important to note that while helical gearboxes can perform both speed reduction and speed increase, the specific gear ratios and configurations need to be carefully chosen to ensure efficient and reliable operation for the intended application.

Application:	Motor, Machinery, Marine, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	All Direction
Layout:	Planetary Gearbox
Gear Shape:	Helical Gear
Step:	Double-Step

Industries Utilizing Helical Gearboxes

Helical gearboxes find widespread use in various industries due to their efficiency, smooth operation, and versatility. Some of the industries that commonly utilize helical gearboxes include:

Manufacturing: Helical gearboxes are employed in manufacturing processes for conveyor systems, material handling, and machine tools. Their ability to provide high torque and smooth motion makes them suitable for precision manufacturing.
Automotive: Automotive applications include power transmission in vehicles, especially in manual and automatic transmissions. Helical gearboxes contribute to improved fuel efficiency and smoother gear shifting.
Energy Generation: Helical gearboxes are used in power generation systems, such as wind turbines and hydroelectric generators. Their efficiency and load-bearing capacity are crucial for converting rotational motion into electrical power.
Construction: Construction equipment, such as cranes, excavators, and bulldozers, rely on helical gearboxes for efficient power transmission and control of heavy loads.
Mining: Mining operations use helical gearboxes in conveyors, crushers, and other equipment for material handling and ore extraction. The durability and high torque capacity of helical gearboxes make them suitable for demanding mining environments.
Marine: Marine vessels use helical gearboxes in propulsion systems to convert engine power into rotational motion for propellers. Their efficiency contributes to fuel savings and reliable marine operation.
Food and Beverage: Helical gearboxes are employed in food processing and packaging machinery due to their sanitary design and precise motion control.
Textile: Textile machinery relies on helical gearboxes for various processes, including spinning, weaving, and dyeing. Their ability to handle varying loads and provide smooth motion is beneficial in textile production.

Troubleshooting Common Issues in Helical Gear Systems

Troubleshooting helical gear systems involves identifying and addressing common issues that can affect their performance. Here’s a step-by-step process:

Visual Inspection: Begin by visually inspecting the gearbox for any signs of wear, damage, or misalignment. Look for worn or chipped gear teeth, oil leakage, and unusual noise.
Noise Analysis: If noise is present, analyze its type and frequency. Whining or grinding noises could indicate misalignment or damaged gears, while clicking or knocking sounds might point to loose components.
Lubrication Check: Ensure that the gearbox is properly lubricated with the recommended type and quantity of lubricant. Insufficient lubrication can lead to increased friction and wear.
Alignment Check: Check the alignment of the gears and shafts. Misalignment can result in uneven wear, noise, and reduced efficiency. Realign components if necessary.
Gear Inspection: Inspect gear teeth for signs of pitting, scoring, or wear. Replace any damaged gears to prevent further issues.
Bearing Examination: Check the condition of bearings that support shafts and gears. Worn or damaged bearings can lead to increased vibration and noise.
Tightening and Fastening: Ensure that all bolts, fasteners, and connections are properly tightened. Loose components can cause vibrations and noise.
Load Analysis: Evaluate the load conditions and operating parameters of the gearbox. Ensure that the gearbox is not subjected to loads beyond its design capacity.
Temperature Monitoring: Monitor the operating temperature of the gearbox. Excessive heat can indicate problems such as inadequate lubrication or overloading.
Consulting Experts: If issues persist or if you’re unsure about the diagnosis and solution, consult gearbox experts or manufacturers for guidance.

By following this troubleshooting process, you can identify and resolve common issues in helical gear systems, ensuring optimal performance and longevity.

The adaptability and efficiency of helical gearboxes make them a suitable choice for a wide range of industries, where reliable power transmission, smooth operation, and load-bearing capacity are essential.

editor by CX 2023-08-22

Helical Gearbox

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