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EMO 2019 / Paul Horn Customised and extra small

| Editor: Steffen Donath

Horn will have a variety of products on display at EMO. Two of which are customised form inserts and a clamping system for extra small boring tools.

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Horn offers customised form inserts based on the 117 tool system for use on turning and mill-turn centres.
Horn offers customised form inserts based on the 117 tool system for use on turning and mill-turn centres.
(Source: Horn/Sauermann)

Turning with form tools allows customers to benefit from economic advantages in series production. Horn offers customised carbide form inserts based on the 117 tool system for machining diameters from 16 mm upwards on turning and mill-turn centres. The patented, precision insert seat of the 117 system guarantees high concentricity and minimal axial runout as well as high repeatability of insert exchange to within microns. The precision-ground cutting edges achieve a high level of accuracy and surface quality. Financial savings are achieved due to the possibility of retipping, lower tool costs and reduced machine downtime, according to the company. The internal coolant supply to both cutting edges via the round shank cools the contact zone and carries the chips away efficiently.

Horn offers the tools in profile widths (w) of 16 mm, 20 mm and 26 mm. Special profiles are precision ground to suit the application. The maximum profile depth is tmax = 17 mm. The maximum profile width is w = 26 mm. The insert coating is specially selected for each application and is available for material groups P, M, K and N. The round shanks are available as standard with diameters of 16 mm, 20 mm and 25 mm in the A and E designs. All variants have an internal coolant supply.

New insert clamping system for Supermini

Horn has developed a new toolholder for its Supermini type 105 grooving and boring tools. In the new design, the process for clamping the carbide insert uses a tensioning wedge on the face rather than the circumference of the tool, as was previously the case. This enables the insert to be held in place with more force, which in turn makes the entire system more rigid. Additionally, the new clamping design results in a higher level of repeatability when changing inserts and allows better use to be made of the space available for mounting it thanks to the face clamping concept. This is a significant advantage when working with Swiss-type lathes, as it enables users to change the insert without removing the toolholder.

The new clamping design enables the insert to be held in place with more force, which in turn makes the entire system more rigid.
The new clamping design enables the insert to be held in place with more force, which in turn makes the entire system more rigid.
(Source: Horn/Sauermann)

The Horn Supermini tool system is able to bore holes from 0.2 mm to 8 mm in diameter. With over 1,500 varieties available as standard, there is a solution to suit every user. In addition to boring, the system is designed for grooving, chamfering, threading, broaching and other machining operations. The cutting geometries and the substrates can both be adapted to the materials being machined.

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