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Description
Introduction to Hardness chrome plated linear shaft diameter 3mm to 200mm
Hardness chrome plated linear shaft diameter 3mm to 200mm are important components in mechanical systems used to support rotating parts (such as gears, pulleys or sprockets) and transmit torque. They play a key role in mechanical equipment by connecting the power source with the working parts to ensure the effective transmission of power.
Characteristic advantages of Hardness chrome plated linear shaft diameter 3mm to 200mm
High precision: adopting precision machining technology ensures the size and shape accuracy of the shaft and improves the transmission efficiency.
High strength: made of high-quality materials with good tensile, compressive and wear-resistant properties.
Reliability: After strict quality control, it ensures stable operation for a long time.
Versatile design: A variety of specifications and types are available to suit different applications.
Easy maintenance: the structure is designed for easy installation and repair, reducing maintenance costs.

Specification of Hardness chrome plated linear shaft diameter 3mm to 200mm
Tough Chrome Plated Linear Shaft– Precision Engineered for Demanding Applications
Superior Hardness and Wear Resistance
Our difficult chrome layered straight shafts use exceptional surface area hardness, typically varying from 58 to 62 HRC . This high solidity makes certain outstanding resistance to use, also under heavy loads or constant movement. The chrome plating creates a smooth, long lasting surface that lowers rubbing and extends life span in linear activity systems.
Wide Size Array for Versatile Usage
Readily available in diameters from 3mm to 200mm , these shafts fit a broad variety of industrial demands. Tiny diameters function well in portable automation arrangements. Bigger dimensions support heavy-duty machinery like presses, product packaging lines, and product handling devices. Every shaft is precision ground to tight tolerances, assuring constant satiation and straightness.
Improved Deterioration Protection
The difficult chrome layer works as a strong obstacle against corrosion and chemical exposure. This makes the shafts perfect for use in moist, wet, or mildly corrosive atmospheres. Maintenance remains easy, and downtime goes down significantly compared to uncoated options.
Smooth Surface Complete for Reliable Performance
Each shaft features a mirror-like finish with a surface roughness of Ra ≤ 0.2 µm . This ultra-smooth appearance minimizes drag out bearings and bushings. It additionally assists protect against premature endure breeding elements, making sure silent, secure operation over time.
Rigorous Quality Control
We check every set for dimensional accuracy, plating thickness, and firmness. Shafts meet or surpass market requirements for straightness (normally within 0.02 mm per 100 mm size ) and concentricity. You obtain dependable performance right out of package– no extra ending up needed.
These tough chrome layered direct shafts supply the strength, accuracy, and integrity your equipment demands. Choose the best size for your system and take advantage of resilient, low-friction activity.

Applications of Hardness chrome plated linear shaft diameter 3mm to 200mm
Difficult Chrome Plated Linear Shafts– Precision Components for Demanding Applications
Wide Diameter Range for Diverse Requirements
Our hard chrome plated straight shafts been available in diameters from 3mm to 200mm . This wide range supports many commercial uses. Small sizes fit portable automation systems. Large diameters deal with sturdy machinery. Every dimension meets rigorous dimensional and surface coating criteria.
Superior Surface Hardness and Use Resistance
The shafts feature a thick, consistent layer of hard chrome plating. This provides high surface area solidity , commonly going beyond 800 HV. The outcome is superb resistance to use, abrasion, and galling. Even under constant moving activity or high lots, the surface stays smooth and intact. This expands service life and lowers maintenance prices.
Smooth Operation and Low Friction
A mirror-like finish is typical on all our shafts. Surface roughness commonly remains below Ra 0.2 µm . This makes certain smooth movement when used with straight bearings or bushings. Reduced rubbing implies less warmth accumulation and more constant performance in time. Devices run quieter and extra effectively.
Deterioration Defense for Harsh Environments
Tough chrome plating likewise functions as a solid barrier versus corrosion and chemical strike. These shafts function well in wet, humid, or gently corrosive settings. They are excellent for food handling, product packaging, and outside tools where sanitation and resilience matter.
Common Industrial Utilizes
You’ll locate these shafts in CNC machines, robotics, publishing presses, textile equipment, and semiconductor handling systems. They sustain specific linear activity in automation lines, clinical devices, and material handling configurations. Their integrity makes them a go-to selection for engineers that need regular, trouble-free operation.
Whether your project needs fine accuracy or rugged strength, our hard chrome layered straight shafts deliver dependable efficiency across the full dimension spectrum.
Company Introduction
Established in 2002, Port of Machinery Co.,ltd. focus on metal research and mining machinery spare parts. 2 factories over an area of 13,300 square meters, based on 100+ sets of equipment, our production capacity reaches 12000 Tons/Year. has passed ISO 9001 quality managment system certification in 2008.
Our mainly products are dragline excavator spare parts,rotary kiln spare parts, large modulus gear (gear shaft), gearbox ect. 40+ patents with over 45 years experience to help focus on improve the service life of spare parts. We belive that more than 80% reason of mechanical parts’ working life depends on hot processing (steel making/forging/casting/welding/heat treatment). Eight material engineers will control the quality from the original resource.
If you are interested, please feel free to contact us.
Payment
L/C, T/T, Western Union, Paypal, Credit Card etc.
Shipment
By sea, by air, by express, as customers request.

5 FAQs of Hardness chrome plated linear shaft diameter 3mm to 200mm
Frequently Asked Questions – Hard Chrome Plated Linear Shafts (3mm–200mm)
What is a hard chrome plated linear shaft?
It is a precision rod made from steel or stainless steel. The surface gets a layer of hard chrome plating. This makes the shaft smooth, strong, and resistant to wear and rust. Sizes range from 3mm to 200mm in diameter.
Why choose hard chrome plating?
Hard chrome plating improves surface hardness. It reduces friction and increases durability. The shaft lasts longer under heavy use. It also resists corrosion better than uncoated metal. This is important for machines that run often or work in tough conditions.
What tolerances are available?
These shafts come with tight dimensional tolerances. Common options include h5, h6, and h7. You can pick the grade that fits your application. Tighter tolerances mean better fit and smoother motion in linear guides or bearings.
Where are these shafts used?
They are common in automation, packaging, printing, and CNC machinery. Any system that needs smooth, straight, and reliable linear movement can use them. Their high surface quality ensures consistent performance over time.
How do I install and maintain them?
Mount the shaft securely using proper supports. Keep it clean and lubricated during use. Avoid impacts or bending forces. Wipe off dust, moisture, or debris regularly. Good maintenance prevents early wear and keeps motion smooth. Always follow the manufacturer’s guidelines for your specific setup.
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