High-Precision Steel CNC-Machined Component for Mechanical Transmission with Precision Teeth

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Product Description

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Basic Information

Model NO.
St55
Corrosion Resistance
High Corrosion Resistance
Accuracy
IT6-IT9
Position Accuracy
0.001-0.005mm
Surface Roughness
0.63-0.16μm
Shaft Type
Hollow Shaft
Strength
High Strength
Surface Finish
Plating
Tolerance
Standard Tolerance
Material
Alloy Steel
Load
Central Spindle
Stiffness
Stiffness / Rigid Axle
Axis Shape
Straight Shaft
Heat Treatment
Quenching & Tempering
Operating Torque
≤50n·M
Applicable Equipment
CNC Machines
Max Rotation Speed
3000rpm
Production Capacity
50000PCS/Year

Product Description

This is a customized high-precision steel component for mechanical transmission systems. Leveraging advanced multi-axis CNC machining (achieving ±0.005mm micron-level tolerance), combined with strict heat treatment (hardness stabilized at HRC58-62 post-processing) and functional surface technologies, it realizes integrated manufacturing of "ultra-high precision + strong durability + complex structure". As the core transmission hub for automotive, aerospace, industrial equipment, and robotics, it enables efficient and long-term operation of host equipment in complex environments.

Efficiency Upgrade
High-precision tooth profiles and low-friction surface treatment boost the energy conversion efficiency of transmission systems by 15% - 30%.
💎 Cost Optimization
Wear and corrosion resistance extend the component's lifespan by 2 - 5 times, cutting downtime maintenance and replacement frequency.
⚙️ Tech Empowerment
Full-dimensional customization breaks standard limitations, providing technical support for new energy vehicles and robotics.
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Product Parameters

Parameter Typical Value
Base MaterialAlloy Structural Steel 40Cr
Dimensional ToleranceIT5-IT7 Grade
Surface RoughnessRa0.8-Ra1.6μm
HardnessHRC 58-62 (Post Heat Treatment)
Surface Coating Thickness0.02-0.05mm
Operating Temperature-40ºC~150ºC
Max OD/LengthΦ50mm / 30mm
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Detailed Photos

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Applicable Scenarios

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Frequently Asked Questions

What customization services do you offer?
We offer custom machining based on your drawings or samples, including material selection, size adjustments, shape design, surface treatments, thread processing, and laser engraving.
Can you manufacture parts based on my design drawings?
Yes, we can manufacture parts according to your CAD drawings or 3D models. Please provide detailed design files such as STEP, IGES, DWG, or PDF format.
What material options do you offer?
We offer a wide range of materials, including aluminum alloys, stainless steel, carbon steel, brass, copper, titanium alloys, and engineering plastics (POM, nylon, etc.).
What is your machining accuracy?
Our CNC machining accuracy can reach ±0.01mm. Specific tolerance requirements can be adjusted according to customer needs and confirmed before production.
How do you ensure product quality?
We implement strict quality control measures, including raw material inspection, in-process monitoring, final dimension inspection, and surface finish checks.
What is your production lead time?
Production time depends on complexity. Typically, small batch orders take 7-15 days, while larger orders will have a specific lead time confirmed after evaluation.

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