High Power Copper Wire Roller Shutter Opener Roller Door Controller,Roller Garage Door Opener,Roller Door Automatic Opener,High Power Copper Wire Roller Shutter Opener GUANGDONG BEIDI SMART SCIENCE & TECHNOLOGY CO LTD , https://www.beidimotor.com The T2120 type boring machine used in our factory is the brake circuit of the machine tool spindle (Figure 1). SB12 and SB11 are the oil receiver button and the spindle brake button. KM1 is the spindle brake contactor. When the main contact is closed, the DC output of the brake transformer through the rectified output can be connected to the main motor winding to realize the energy consumption braking (the brake main circuit diagram is omitted). KM4 is the main motor running contactor
Improvement of brake circuit of trampoline spindle