Spur gears, as straight tooth gears, are one of cylindrical transmission components widely adopted in gearbox systems to transfer torque with high efficiency. Following excellent material 20MnCr5 steel, these spur gears are characterized by excellent wear resistance and good load-bearing capacity after carburizing heat treatment to achieve 60-62HRC. Because of their simple designs, spur gears are relatively easy to machine and inspect, which largely lowers manufacturing costs and ensures consistent precision. Strictly adhering to DIN 8 accuracy grade, they ensure stable meshing condition and low noise running for extended service life.
Straight Tooth Gears For Gearbox
Specification
Module
2
Application
Gearbox
Material
20MnCr5
Heat Treatment
60-62HRC
Accuracy
DIN 8
Spur Gear Used for Gearbox
Designed as one of straight toothed cylindrical transmission elements, these spur gears bring extreme advantages including high transmission efficiency, stable power delivery and smooth operation within gearbox assemblies. After strict heat treatment to achieve 60-62HRC, they exhibit outstanding wear resistance and strong load-bearing performance for demanding gearbox working conditions. Finished by gear lapping to DIN 8 precision standard, it maintains smooth meshing inside the gearbox, minimizes vibration and helps extend the overall service life of the whole drive system.
Production process
6-Step Straight Tooth Gear Production Process
Forging
Turning
Gear Cutting
Heat Treatment
ID & OD & Surface Grinding
Tooth Grinding
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.
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.
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.
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 & 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.
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 For Straight Tooth Gears
Dimension Inspection
Material Inspection
Heat Treatment Testing
UT & MT Testing
Meshing Testing
Accuracy Testing
Dimension Inspection
Material Inspection
Heat Treatment Testing
UT & MT Testing
Meshing Testing
Accuracy Testing
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