Published
Tap Improves Thread Quality
The Walter Prototyp Paradure short-chip blind-hole tap from Walter USA is designed to increase process reliability and quality when tapping long-chipping, high-tensile-strength steels.
Share
The Walter Prototyp Paradure short-chip blind-hole tap from Walter USA is designed to increase process reliability and quality when tapping long-chipping, high-tensile-strength steels. The tap is said to eliminate bird’s nest swarf while increasing machine uptime and tool life. The 15-degree helix angle enables easy chip removal even in protected threads and depths ranging to 3.5×D. The helix angle is reduced to 9 degrees and combines with a ground rake in the chamfer to ensure the creation of short chips, the company says. Axial internal cooling rinses these chips out of the hole through the spiral flutes.
Cutting edges feature an adjusted rake angle, and the THL hard coating extends tool life. The reduced helix in the lower section of the tool is ground after the coating is applied, but the bare surface of the rake at this point aids chip breaking, the company says. The tap is designed for high-tensile, long-chipping materials, but can also be used on low-tensile-strength materials such as aluminum alloys or ductile cast iron.
Related Content
-
Darex Adds End Mill Attachment to Drill Sharpener
This LEX600 end mill attachment enables users to sharpen the primary and secondary grind on the tips of two-, three- or four-fluted end mills up to 5/8".
-
Kay Engineering's Gundrilling Machine Performs Range of Operations
Kay Engineering’s DeHoff 20144 is used to perform gundrilling, pull boring, roller burnishing and thread tapping.
-
Ceratizit Offers Custom Boring Tool for Heavy Goods Vehicles
The boring tool roughs, chamfers and reams/fine finishes holes in a single operation.