Guyson Launches Compact Spindle Blast Machine

Guyson has expanded its range of automated rotary blast finishing systems with the compact Model RXS200 rotary indexing spindle blast machine. The RXS200 is engineered specifically for the precision micro-component manufacturing environment. This Guyson Multiblast system has been developed to perform a variety of blast applications, including shot peening, blast cleaning, deburring, cosmetic finishing and technical surface preparation on micro components such as dental implants and medical trauma screws and pins.

The blast cabinet is manufactured from high-grade 316 L stainless steel and features two Model 400 blast guns (as standard) also made from stainless steel, along with all other ancillary internal parts. The whole system is small enough to fit into a compact manufacturing cell, yet capable of precise and repeatable impact treatment in single-piece workflow manufacturing operations. The Guyson RXS200 operates with two sealed and abrasion-protected ball-bearing spindles that index in and out of the blast chamber by means of a precision rotary actuator; this enables robotic load and unload capabilities.

The twin rotary spindle operation enables the maximum efficiency of operation, with one component being loaded during the blast cycle of the other piece. Interchangeable component-holding fixtures can be secured on each spindle, allowing product changes to be made quickly. A side door with a viewing window offers full access to the process chamber for inspection, adjustment and maintenance. The fixtured component rotates at a controlled, adjustable speed and is exposed to blast media from multiple nozzles that are pre-positioned at the correct angles and distances for the overall or selective coverage of the target surfaces.

Blasting is achieved by multiple Model 400 blast guns that are rigidly held in fixed position on multi-adjustable brackets. An automatic air wash is provided post blasting to remove any residual dust and blast media. The Guyson RXS200 is provided with a touch-screen interface that simplifies the operation of the automated blasting, streamlines access to control functions and enables the password-protected direct entry of dimensional data or processing parameters into the system's programmable logic controller.

The panel can also display control settings, production data and system feedback, such as sensor and fault indications or maintenance prompts. Also included in the panel is a built-in printer that delivers validation output on items such as blast settings, timings and customer batch references. Among the options offered with this advanced blast system are a single- or twin-deck media sieve located underneath the cabinet to maintain its small operational footprint and to separate contaminants and fines from the recirculated media and a cartridge-type dust collector that filters exhaust air to prevent the discharge of particles into the work environment.

Guyson offers various media delivery and reclaim system enhancements, including twin media hoppers and media vibrators to meet special fine-media separation and dust control requirements. Prospective users of Guyson's automated blast systems should submit sample components for feasibility testing to the company's development workshop in Skipton, England.

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