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News and Information

Shandong-shipped SX-80 plasma spraying equipment, used for the production of surface coatings on insulating bearings.

Release time:

2023-08-06 21:23

Source:

The SX-80 plasma spraying equipment has been shipped to Shandong, intended for the production of surface coatings on insulating bearings.

 

Insulated bearing coating refers to the process of applying a layer of aluminum oxide onto the outer surface of the bearing raceway using plasma spraying technology, based on standard bearings, thereby endowing the bearings with insulating properties.
 
 
In electric motors and generators, there are circulating currents and induced currents between the housing, bogie, and wheelset. During bearing rotation, when current flows through the bearing, it can break down the extremely thin oil film in the rolling contact area, generating sparks that cause localized melting and damage to the contact surfaces—resulting in electrical erosion. This leads to poor bearing rotation; in severe cases, it can progress to spalling, ultimately causing bearing failure. Additionally, the hardness of the rolling surfaces decreases, making them more susceptible to wear, which directly affects the performance and service life of both the motor and the entire machine.
 
 
Therefore, it is highly necessary to develop insulated bearings that are compatible with electric motors and generators. Bearings equipped with insulating coatings are unaffected by high temperatures, moisture, and chemicals. Their performance and operational accuracy are identical to those of standard, non-insulated bearings, allowing for high-standard interchangeability. This fundamentally solves the problem of electrical erosion in bearings.

 

 

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Shandong Linqing Tengyue Mechanical Equipment Co., Ltd.'s SX-80 plasma spraying equipment is used for coating insulating bearings.

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Relevant Information

The complete set of plasma-sprayed equipment has been shipped to the customer’s site in Thailand.

Core spraying equipment: SX-80 plasma spray main unit, with a 15,000℃ flame suitable for multiple materials including zirconia and silicon carbide; powder feeding accuracy of ±1%, and coating thickness tolerance ≤ ±5 μm. Environmental protection support system: Customized soundproof booth + pulse dust collector—effectively addressing spray noise pollution while achieving highly efficient dust recovery, compliant with Thai environmental standards. Automated equipment: 6-axis industrial robot + intelligent spray cart, enabling precise spraying of complex workpieces and automated loading/unloading, boosting production efficiency by 40%.

Live coverage from Fuzhou!

On-site engineers provide hands-on training, focusing on the core operations of plasma spraying equipment such as the SX-80. Sanxin has customized a complete solution for its customers, including an automated spraying robotic arm, a soundproof booth, and a dust removal system—ensuring both high spraying efficiency and compliance with environmental standards.

Guangzhou Sanxin Thermal Spraying Turntable Shipment

Guangzhou Sanxin Company manufactures single-station and multi-station thermal spray turntables, which can be paired with plasma equipment, supersonic equipment, and arc equipment. We offer rapid, customized production tailored to customer requirements and product dimensions. A thermal spray turntable is a high-precision rotary worktable specifically designed for thermal spraying processes—including flame spraying, plasma spraying, and arc spraying. By providing controllable rotational speed and exceptional stability, it ensures uniform coating thickness on the workpiece surface, thereby enhancing spraying efficiency and quality.

SX-80 plasma equipment is being used at a customer site in Russia.

SX-80 plasma equipment is being used at a customer site in Russia.

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