Download brochure - F. Zimmermann GmbH

The MuST ®Milling HeadThe VH 6 milling head is equippedwith Zimmermann's innovativeMultiple Spindle Technology(MuST ® ).This system offers several keyadvantages:■ Roughing and subsequentfinish machining of heavymaterials such as titanium, steeland cast iron can be carriedout on a machine in one setup.This reduces setup time and thusalso production costs.■ Investment in a secondmachine is unnecessary.■ Potential for doing additionaltasks other than milling in thesame setup.■ Changing the spindle insteadof the milling head offers advan-tages in terms of repeatability,reliability (fewer interfaces) andcost.■ The high finish machiningprecision of the machine is notaffected by the HSC technologyused for rough machining.Modular system■ Stage 1: One spindle permanentlymounted in the millinghead (Standard).■ Stage 2: Semiautomaticspindle change (Optional).■ Stage 3: Fully automaticspindle change (Optional) –enabling unmanned shifts.MuST ® Milling spindlesThree MuST ® milling spindles ofdifferent specifications areavailable for all areas of application:■ Roughing spindleSpecially designed for HSCmachining of castings, steel andtitanium.■ Universal spindleFor all machining of aluminium,composite materials and forlight rough machining of steeland castings.■ Finishing spindleHigh frequency spindle for finecontouring and highest qualitysurface finishes.High-EndMilling SpindlesZimmermann milling heads areequipped with high performancestandard milling spindles madeby Weiss and Fischer. For almostall milling heads there is achoice of spindles available (forroughing, finishing as well asuniversal spindles). Naturally, forparticular applications, otherspindles can also be specified.As a standard our spindles aresupplied with a unique monitoringsystem consisting of a vibrationsensor, bearing temperature,motor temperature. The millingspindles supplied by Zimmermannare carefully tuned to the particularapplication, taking the millingmachine, milling head andmilling spindle into account.Universal spindle VH 3Competitor's universal spindleMd [Nm]100104 Nm95,5 Nm80604020Aluminiummachining60 kWP [kW]10080604020000 4000600014000 22000n [min -1 ]When choosing a spindle, it isoften less the pure spindle performancedata than the sum of allthe performance parameters inthe relevant speed range for theparticular application which isimportant.An example is the comparison of theuniversal spindle of the AC 3 milling headwith a competitor's spindle aduring highvolume machining of aluminium.At first sight, the competitor's spindleappears to have a higher torque. However,what is important is that the VH 3 spindledelivers its high torque over the whole ofthe speed range concerned.The performance data and diagrams of allZimmermann milling spindles are shownon pages 14 to 17.13