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May 2022

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Change from a Collet Chuck to Mandrel in Seconds

SMW Autoblok has introduced the hybrid COMOT-AZ quick change collet chuck featuring industry standard diameter capacities of 42 mm, 65 mm and 100 mm to accommodate a large variety of workpiece sizes.

Suitable for bar and tubular stock machining that requires multiple changeovers daily, COMOT-AZ can be used in three ways: for OD machining using standard collets; for greater accuracy utilizing high precision collets with COMOT-AZ/PA; or transform COMOT-AZ quickly into an expanding mandrel for ID clamping using the EMX series.

"Effectively used for hard turning, gear grinding, drilling, milling and more, COMOT-AZ provides low deformation clamping of thin-walled workpieces and offers a large selection of standard collets available in round, square, hexagonal and special configurations when needed for virtually all sizes of spindles," said a company spokesperson.

The optional COMOT-AZ/PA enables users to change from a standard collet to a high precision collet for holding workpieces from 3 mm to 100 mm with accuracy and repeatability. The EMX Series extension mandrel is also available for internal workpiece fixturing.

For automated loading, COMOT-AZ provides air sensing to ensure that the part is seated properly before the machine cycle starts. Other advantages include radial fine adjustment and a case-hardened body and internal parts for high resistance and longer life.

For more information contact:

For more information regarding the COMOT-AZ high precision collet chuck, download the brochure at

For more information contact:

SMW Autoblok

285 Egidi Drive

Wheeling, IL 60090



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