Plasma Compressor Shell Cutter for Efficient Motor Recycling
SUNY GROUP’s plasma cutters efficiently dismantle end-of-life air conditioning and refrigerator compressor casings, precisely extract internal copper and aluminium motor components, and significantly improve scrap metal recovery rates.
Plasma Cutting Principles and Structural Design
The compressor casing cutting machine utilises a high-power plasma arc cutting solution, equipped with an automatic arc voltage height adjustment system and a multi-axis positioning fixture. The equipment automatically detects and adjusts the cutting path via sensors to accommodate different tank shapes (typically with diameters ranging from 120 mm to 250 mm). Compared to traditional flame cutting or grinding wheel sawing, plasma cutting allows the kerf width to be controlled within 1.5 mm to 2.2 mm, reducing the heat-affected zone (HAZ) by over 60 per cent. This effectively prevents the enamelled wire inside the compressor from being scorched or degraded due to high temperatures, thereby ensuring the quality of the recovered copper coils.

Plasma Compressor Shell Cutter for Efficient Motor Recycling
Dismantling Efficiency and Safety Performance Indicators
In actual recycling operations, the equipment completes a single cutting cycle in 8 to 12 seconds, with a processing capacity of 300 to 450 units per hour, achieving significantly higher operational efficiency than manual dismantling. The equipment utilises an enclosed working chamber and a dust and fume extraction system, capturing over 90 per cent of the metal spatter and fumes generated during the cutting process. Furthermore, mechanised clamping eliminates the safety hazards associated with manual operation of cutting torches or hand-held cutting tools, reducing both equipment failure rates during processing and operational risks to a minimum.
Metal Recovery Value and Economic Feasibility
Plasma cutting technology preserves the integrity of the compressor’s internal components, increasing the copper coil extraction rate to over 98 per cent and eliminating the need for complex secondary stripping processes. Taking a recycling centre processing 3,000 end-of-life compressors per day as an example, precision cutting not only reduces the frequency of replacement for consumables such as cutting tools, but also lowers labour and electricity costs per unit by nearly 35 per cent.
This high-precision, low-waste physical dismantling method provides robust technical support for the resource recycling of end-of-life electric motors. Should you wish to learn more, please feel free to contact us at any time to request relevant videos or a quotation.
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