Measures and Controls

The instant in which the grinding wheel comes into contact with the workpiece, is important :

• To reduce the cycle time
• To minimize the ‘gap’ time, maximising the feeds of the axis.

The analysis of the contact between grinding wheel-dresser, consents to obtain a perfect profile and optimise the scrap.
The grinding machines may be equipped with measuring systems to:

• Detect sub-micron contacts (gap control)
• Monitor constantly the work to prevent collision (anti-crash)
• Generate feedback signals for adaptive control actions

Continuously monitors the machine conditions and in in real time compensates eventual grinding wheel umbalance.
Grinding wheel balancing

• improves the mechanical stability of the grinding machine
• improves the surface quality of each piece, avoiding risks of facets , roundness errors and defects of roughness
• allows to increase the peripheral speed of the grinding wheel and the cutting
• increases the quantity of ground workpieces
• reduces stress on the spindle bearings

The use of a flagging device connected to the PLC control records the position of the workpiece in Z axis (table).

The use of measuring systems during the working, permits to grind components with high restricted tolerance.
The available methods are :

• Absolute measurement of diameters,with large ranges
• Measurement of small and large ranges, with reference master
• Control of continuous and interrupted surfaces (regular and irregular)
• Analysis of roundness and shape
• Measurement of the diameters: external, internal, thickness, taper, shoulder, etc.
• Automatic compensation of the in-process correction.