MICRO MOULDING | ARTICLE MICRO TOOLING | NEWS
THE WORLD’S SMALLEST PRECISION BORING HEAD
Demands from watch and micro manufacturing companies for higher accuracy and surface finish quality has lead to new task assignments for machines and machine tool manufacturers. KAISER Precision Tooling Ltd, the industry leader in manufac-turing high precision boring tools for more than 60 years, is reacting to the demands of micro manufacturers with the world’s smallest boring head, the EWN 04-7.
The newest KAISER head EWN 04-7, with a length of 14 mm and an outer diameter of 18.5 mm is the ideal boring tool for machines with a spindle size ISO 20, HSK-E25 and larger. The boring head with a range of diameter 0.4 – 7.0 mm is available with the CK1 modular connection or with a 10 mm diameter cylindrical shank. Due to its compact build, low weight of 30 g, and its excellent construction, the boring head is guaranteed up to 30,000 RPM.
The ultra-accurate diameter adjustment is carried out via the permanently lubricated, precisely ground carrier spindle with an accuracy of 0.002 mm diameter. The tool carrier has an adjustable range of 2.3 mm diameter and is indirectly clamped with a single clamping screw to ensure no distortion to the cutting diameter.
A total of seven coated boring tools made of solid carbide are offered for the boring range of 0.4 to 7 mm diameter and boring depths of <5D. The tools have a 4 mm diameter shank with a clamping flat for simple orientation and can be universally used for materials such as aluminium, brass and steel.
KAISER Precision Tooling Ltd
www.kaisertooling.com
19 | commercial micro manufacturing international Vol 7 No.1
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