Small DC mo­tor and ce­ramic lin­ear po­si­tion­ing sys­tem

DEMM Engineering & Manufacturing - - MOTORS & DRIVES - www.maxon.com.au

Pre­ci­sion ce­ramic spin­dles have re­de­fined small mo­tor po­si­tion­ing sys­tems. This lat­est ex­am­ple of pre­ci­sion linier po­si­tion­ing with the use of DC mo­tor and en­coder tech­nol­ogy also uses ground ce­ramic sur­faces that pro­vide silky smooth mo­tion al­most com­pletely de­void of the slip stick phe­nom­e­non.

Ce­ram­ics now play a key role in po­si­tion­ing sys­tems that re­quire high ac­cu­racy and ef­fi­ciency from DC mo­tor and gear­head driven sys­tems.

The Maxon Mo­tor ce­ramic lin­ear drives fea­ture a spe­cially de­vel­oped ce­ramic glide sur­face (CGS) that gives longer life­spans in au­to­ma­tion sys­tems with dy­namic slid­ing move­ments. The lin­ear sys­tems with ce­ramic com­po­nents are suit­able in ar­eas of strong elec­tric fields or vac­uum. The hard­ness and sur­face struc­ture of the CGS im­proves wear re­sis­tance over tra­di­tional ma­te­ri­als also. Power trans­mis­sion or chem­i­cally ag­gres­sive en­vi­ron­ments, clean­rooms, high am­bi­ent tem­per­a­tures or sim­ply long life can be ap­pli­ca­tion re­quire­ments that need the ad­van­tages of ce­ramic ma­te­ri­als.

The zir­co­nia also shares many prop­er­ties with steel such as elas­tic­ity and ex­pan­sion. Be­cause of this it can also be used within the gear­head along­side tra­di­tional steels and even the DC mo­tor shaft is of­ten ce­ramic en­abling com­mu­ta­tion com­po­nents to be em­bed­ded into the non­con­duc­tive ma­te­rial pro­vid­ing smaller and more ro­bust sys­tems.

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