Abstract：Research purposes: The Yuzhu Vehicle Depot of Line 5 of Guangzhou metro is the first metro vehicle depot for the overhaul and un － wheeling repair of linear motor vehicle in China． Its main maintenance workshop undertakes the overhaul and un － wheeling repair works and has the first maintenance operation line for the wheel － set of A，B and L types in China． According to the characteristics of linear motor vehicle，the process planning of the main maintenance workshop has been researched for the maintenance mode，inspection and maintenance system and flexible design of the wheel － set operation line for the linear motorvehicle． The maintenance workshop was designed compositely with a number of innovations and the process layout was reasonable and compact． Such design can provide an important reference to the similar works in future．
Research conclusions:The combined capital repair and shed repair system was adopted for the linear motor vehicle． By using this system，the repair cycle extanded 30% compared with the repair system for the common wheel and rail vehicle． The main repair workshop was designed with capital and un － wheeling workshop as main part and the main maintenance workshops were all near the capital and un － wheeling workshop． The flexible design was made for the operation line for the wheel － set maintenance and it could meet the demand of repairing three types of wheel － set．
李 强. 直线电机大架修车辆段检修主厂房工艺设计研究[J]. 铁道工程学报, 2012, 29(6): 96-99.
LI Qiang. Research on Process Planning of Main Maintenance Workshop for Overhaul and Un － wheeling Repair of Linear Motor Vehicle in Metro Vehicle Depot. 铁道工程学报, 2012, 29(6): 96-99.
Wang Xin． The Discussed on the First Domestic LIM Vehicles Wheel － set Maintenance Operation Track Design［J］． Journal of Railway Engineering Society， 2008(4):91 － 93．
2012, Vol. 29 
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