Swiss ID Burnishing Tools Are Ideal for Swiss-Type Machines

With the tool body completely inside the tool block, the 5918 series features an adjustment knob that protrudes from the rear of the tool shank, thus allowing the burnishing tool size to be adjusted for diameter without removal from the tool block.

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Swiss ID burnishing tools by Elliott Tool Technologies are especially useful for accurate sizing, low micro-finishing and surface hardening of ID holes as small as 4 mm. With the tool body completely inside the tool block, the 5918 series features an adjustment knob that protrudes from the rear of the tool shank, thus allowing the burnishing tool size to be adjusted for diameter without removal from the tool block. This tooling is designed to improve surface irregularities and tool marks, producing optimum surface finishes of 4-8 Ra in a single pass. This technique can eliminate secondary processes such as grinding, honing and polishing by automating those processes in the primary CNC machine. Doing so is said to save setup and processing time and labor costs and enhances machinery usage and shopfloor productivity.  

Compact burnishing tools are ideal for applications where the machine working envelope is limited, as is found in most Swiss-type turning centers, small CNC turning centers and when burnishing parts in subspindles where the machine working envelope is reduced, according to the company.

Burnishing is an ideal way to accurately hold diameter tolerances in “tenths” (0.0001”) and produce micro-finishes in the range of 2 to 8 Ra in most steels, stainless steel, aluminum and other metals that have a hardness of less than 50 Rc, the company says. This line of compact ID burnishing tools can be applied to a range of industries such as medical, fuel systems, fluid power and small automotive components.