Tuesday, February 27, 2007

Cylindrical grinder ready for next generation

Increased machine rigidity, longer X-axis travels and higher speeds and the capability of taking larger wheelheads, feature a new versatile cylindrical grinder.

Increased machine rigidity, longer X-axis travels and higherspeeds and the capability of taking larger wheelheads, feature anew versatile cylindrical grinder. Future models will includehard turning operations. The concept and dimensions of the S41cnccylindrical grinder are comparable with the proven S40cnc, butfeatures some recently developed elements and modifications readyfor a new generation of wheelheads and further peripheralelements.

The S41cnc is the first machine which comes with thenew Studer design concept.

* Increased machine bed rigidity,optimised for workpieces of up to 180kg (396lb).

* Pre-Loadedhydrostatic guideways in the X-axis (feed motion).

To thecustomer's advantage is the optimal dynamic behaviour forform grinding, taper grinding and interpolation grinding,combined with increased rigidity.

* Longer in X-axis travel, now300mm (11.8in).

* Increased axis speed in X, now 15m/min(590in/min).

* Larger distance between the guideways of theZ-axis, providing more rigidity against the feed forces whenplunge grinding.

* Massive layout of the longitudinal guideway.Increased longitudinal table stability.

* Longer longitudinalslide to make sure that dressing attachments and similarequipment can be mounted.

* Longer in Z-axis travel, now 1200mm(47in).

* Increased axis speed in Z, now 15m/min (590in/min).

*The absolute length measuring systems of the axes X and Z makereferencing at machine start unnecessary.

* Larger swivel radiusof the B axis: I e a larger wheel-head can be installed.

* Newmaintenance and service-friendly enclosure concept.

* Better workarea accessibility when loading from the top (i e portal loader).* Energy supply on the Z-axis prepared for additional options.

*New control FANUC 16i or 160i.

With the control 160i, thismachine is now entirely compatible with Windows applications andwith both control types connections to networks via Ethernetinterfaces are possible.

* Generally, actuators and sensors areconnected by means of ASi-Bus.

This simplifies retrofits.

Futureapplications and procedures - further developments will follow,especially with regard to wheelhead layouts.

A glance towards thefuture of the S41cnc reveals the following: * Dual motor spindlewheelhead with up to four grinding wheels 500mm (20in) diameter.* Integration hard turning operations, either with a single tool(only one turning operation, e g internal profile turning of anHSK taper shoulder) or by means of an indexing tool holder.

*Y-axis to grind longitudinal grooves.

* A-axis applications togrind threads with slanted pitch angles.

The S41cnc has beendemonstrated hard turning and grinding a HSK63 tool holder.