Safety critical machining of fuel injection components in large series, or universal machining of small series, always within tolerances of a few microns: these are the jobs for internal grinders.

Safety critical machining of fuel injection components in largeseries, or universal machining of small series, always withintolerances of a few microns: these are the jobs for Studerinternal grinding machines, which are built in differentversions. On the S145cnc with up to four spindles, for instance,complex components in small and average series can be groundeconomically. Featuring a centre height of 175mm a maximumgrinding length of 200mm and a substantial table load, themachine is suitable for a wide range of applications.

Grindingspindles according to requirements of 24000 rev/min to 120000rev/min installed on the indexing turret head allow high-accuracymachining of bores up to diameters of 200mm and the manufactureof smallest bores of less than 3mm in diameter.

This is the idealmachine for the production of small and average series as well asfor mould making applications.

For internal production grinding,the S140cnc is available.

Based on its modular concept, thismachine is suitable for a large number of production tasks.

Thestandard version is equipped with hydrostatic guide-ways; thisbasic version of the Studer S140cnc provides the ideal basis forhigh accuracy machining.

Simple machining tasks with one grindingspindle can be achieved by means of the S140 modular kit, as wellas complex elements including simultaneous external and internalmachining.

Reductions of cycle times of up to 40% can beobtained.

Specially adapted machining modules, such as internaland external grinding spindles, workheads and different dressingattachments, can be installed on the standardised machine tableaccording to requirements.

The machine tables with hydrostaticguide systems, in conjunction with the optional, alsohydrostatically- operated drive spindle guarantee a smooth motionand perfect surface quality of the workpiece.

Up to threeinternal grinding spindles with ceramic bearing systems andspeeds above 100,000 rev/min installed on a slide allow machiningof extremely small bores to the narrowest tolerances.

Roughingand fine machining can be carried out without time-consumingindexing of a revolver.

Simultaneously to internal roughgrinding, finish grinding of external diameters or surfaces canalso be done.

The installation of a handling system withintegrated gauging and palletising units converts the S140cncinto an unmanned machining centre.

In three shifts and seven daysa week, elements for diesel injection systems, for instance, inhighest quality, can be machined.