Hi, i'm building a CNC with 4 Nema 34, and i have a problem with power supply

Here's the situation :
-----------------------------------------------------------------------------------------------------
Stepper motor NEMA 34
Model: SL86STH118-6004A
Certificate: CE, ISO, ROHS
Type: Hybrid
Couple: 85kg-cm
Current / Phase: 6A
Rated voltage: 36V // 48V
Number of threads: 4wries
Phase: 2
Angular step (degrees): 1.8