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Spur Gear For Mixers

Spur gears are the most widely used gears for parallel shaft power transmission, featuring straight teeth with a zero helix angle. This design eliminates axial thrust during operation, allowing the gears to transmit torque efficiently while simplifying bearing arrangements and reducing system complexity. Known for their high transmission efficiency, ease of manufacturing, and cost-effectiveness, spur gears are an ideal choice for industrial machinery, gearboxes, conveyors, agricultural equipment, and automation systems operating at medium to low speeds.

The spur gear is the most fundamental, cost-effective, and efficient type of parallel shaft gear. It is ideally suited for medium-to-low speed applications with moderate noise requirements and simple bearing support structures. For high-speed operations or where low noise is critical, helical gears should be utilized instead.

Belon is capable of providing tailor made spur gear for mixers from sample to mass production.

Specification
Module
12
Application
Mixer
Material
42CrMo
Heat Treatment
HRC 58-62
Accuracy
ISO 1328
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The Crucial Role of Spur Gears in Mixers

 

The spur gear acts as the essential “power behind the scenes” within this mixer. Its functions can be summarized into three core aspects:

  1. Core Function: Speed Reduction and Torque Multiplication

Power Source: Mixers are typically driven by electric motors, which operate at very high speeds under no-load conditions but deliver relatively low torque.

The Spur Gear’s Mission: The concrete mixing drum is extremely heavy, and the resistance increases significantly once filled with aggregate, cement, and water. The spur gear’s role is to drastically reduce the high input speed from the motor while multiplying the torque exponentially.

Result: After passing through the spur gear reduction stage, the output shaft rotates slowly but with immense power. This is sufficient to effortlessly turn the heavy drum, ensuring raw materials like cement and sand are mixed thoroughly and uniformly.

  1. Power Transmission: Changing Direction

In many small mixer designs, the motor is mounted horizontally, whereas the drum’s drive shaft is typically vertical or inclined.

As a parallel shaft gear, the spur gear efficiently transfers the motor’s horizontal rotational power to the drum’s drive shaft. This achieves a smooth transition of power and a change in direction, minimizing energy loss during transmission.

  1. Structural Support: Fixed-Axis Stability

Spur gears feature a simple structure and excellent rigidity, making them highly suitable for environments with vibration and impact, such as small construction machinery.

Inside the mixer, the spur gear is securely fixed within a robust reducer housing. This fixed-axis gear train design ensures stable meshing even under high-speed and heavy-load conditions, reduces slippage, and extends the service life of the equipment.

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Production process

6-Step Production Process

Forging
Turning
Gear Cutting
Heat Treatment
ID & OD & Surface Grinding
Tooth Grinding
1
2
3
4
5
6
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Forging

When gears need high performance that needs to withstand high loads, high stress, impact loads or fatigue loads, forgings are suggested to use. Forging allows metal fibers to be continuously distributed along the gear profile, significantly improving root strength and fatigue life.
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Turning

This is the process of cutting and shaping solid materials into precise parts. It uses tools like lathes, mills, and drills to remove excess material. Machining transforms a simple block of metal into a finished, functional component.
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Gear Cutting

Gear Cutting includes all processes to create gear teeth after rough or fine machining. It shapes teeth to ensure smooth and efficient power transfer for performance, strength and cost efficiency.
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Heat Treatment

Gears need to be running with two gears or above two gears, that makes them easy to be worn-out. That’s why most types of gears need to be harden through heat treatment.
ID-Grinding-Gear-Manufacturing-Process-Gear-Supplier-Belon

ID & OD & Surface Grinding

ID grinding, OD grinding, Surface grinding are all belonging to CNC grinding which are the foundational precision abrasive machining processes used to achieve exceptional dimensional accuracy and surface finishes, especially on hardened materials.
Gear-Grinding-Gear-Manufacturing-Company-Gear-Supplier-Belon

Tooth Grinding

Tooth Grinding are the final processes are applied after heat treatment to correct distortion, improve geometry, and achieve the final surface finish necessary for quiet, efficient power transmission.
Inspection

Strict Quality Inspection

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Dimension Inspection

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Material Inspection

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Heat Treatment Testing

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UT & MT Testing

Meshing-testing-Gear-Quality-Test-Gear-Manufacturing-Process-Belon

Meshing Testing

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Accuracy Testing

Dimension-Inspection-Gear-Quality-Control-Spur-Gear-Manufacturing-Company-Belon

Dimension Inspection

Material-Inspection-Gear-Quality-Gear-Manufacturing-Company-Gear-Supplier-Belon

Material Inspection

Heat-treatment-testing-gear-manufacturing-quality-control-process-Belon

Heat Treatment Testing

UTMT-testing-Gear-Quality-Test-Gear-Manufacturing-Company-Belon

UT & MT Testing

Meshing-testing-Gear-Quality-Test-Gear-Manufacturing-Process-Belon

Meshing Testing

Accuracy-testing-Gear-Quality-Test-Gear-Manufacturing-Company-Gear-Supplier-Belon

Accuracy Testing

Packages

Professional Packaging Safe Arrival

Customized cost-effective packages for products protection. We select multi-model solutions, combining air, sea, or land freight for the optimal balance of cost, speed, and reliability.
Inner-Package-Gear-Product-Gear-Manufacturing-Company-Gear-Supplier-Belon

Inner Package

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Out Package

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Carton

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Wooden Package

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Your Precision
Transmission Partner

Do you have drawings to be implemented, or problems to be solved? Please feel free to contact us. From initial inquiry and technical specification confirmation to production and delivery, our dedicated team will provide you with one-on-one service, ensuring that every step meets your stringent requirements for precision.
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