07F050 - Walter Line-Mate Pneumatic Drum M14 Thread

Technical Overview of the Walter 07-F-050 Pneumatic Drum

The Walter 07-F-050 is a specialized pneumatic drum accessory designed for use with linear finishing tools, specifically the Walter Line-Mate III system equipped with an M14 spindle. This component serves as the core mounting interface for a wide variety of abrasive belts, including coated abrasives, non-woven conditioning belts, and polishing cloths. The drum features a diameter of 5-3/8 inches (approx. 135mm) and a width of 4-1/8 inches (approx. 105mm), providing a substantial surface area for efficient material processing.

Constructed with a durable rubber outer shell and a robust internal core, the drum is designed to be inflated with air. This pneumatic characteristic is critical for its operation; by adjusting the internal air pressure, the operator can modify the drum's hardness. A lower pressure creates a softer cushion, allowing the abrasive belt to conform to curved surfaces, pipes, and rounded edges without gouging or creating flat spots. Conversely, higher pressure provides a firmer backing for working on flat surfaces where planarity is required. The M14 threaded connection ensures a secure, concentric fit on compatible European-spec or specific global model burnishers, distinguishing it from the standard 5/8"-11 North American version.

The drum utilizes centrifugal force and air pressure to grip the abrasive belt securely during rotation. It is rated for a maximum speed of 3,800 RPM, which aligns with the optimal speed ranges for linear finishing and graining applications on stainless steel and aluminum. The valve system is accessible for easy inflation using a standard pump, allowing for quick setup and belt changes in industrial environments. This component is essential for MRO operations maintaining food-grade stainless steel equipment, architectural metalwork, and pharmaceutical vessels where surface finish quality is paramount.