Numerical control turns the working principle that tower punching machine uses a pace to enter electric machinery

When pulse is inputted, rotor has turned a fixed angle, its angular displacement quantity and input pulse number becomes direct ratio strictly, as synchronous as input pulse also on time. Become yuan of pulse when, below the drive of winding power source, air gap magnetic field can make rotor holds original position changeless and be in position position. The pace takes electric machinery chance its output torque size, can you divide enter electric machinery: into electric machinery and power pace for fast pace? Female wash rice  of  bank Suo evil spirit bring a case to court of ripples of Chuo of Ai of  of ⒘ of yo of Qiu of ⑽ of the yo austral ⑺ of yo of the  that treat  whizs? of  of the black that irrigate  works by its the principle divides type of the Pao that it is magnetism and reaction type situation to enter electric machinery again. Because the pace enters a number of the angular displacement quantity of electric machinery and instruction pulse to become direct ratio, direction of rotation and electrify appearance sequence are concerned, the electrify appearance sequence of the amount that should control input pulse only accordingly, frequency and electric machinery winding, can win wants corner size, rotate speed and way. Its timing range is wide, answer a person adept in martial arts and given to chivalrous conduct, sensitivity to leave, control system is simple, and have certain precision, be applied extensively in open loop servo so. 1.

Although the pace takes electric machinery sort,the pace advances the working principle of electric machinery a lot of, but its fundamental essence is consistent. It is into electric machinery with situation of three-phase reaction type now exemple, show its job principle. Go up into electric machinery stator in the pace have 3 pairs of magnetic pole, circle above have excitation winding, call A photograph, 8 photographs and C phase respectively.

Equidistant denticulation is contained on rotor (there is 4 tines) in the graph. If first pulse of A addition electrify, criterion rotor 1, 3 two tine are attracted by magnetic pole A and be opposite with this magnetic pole neat, after that again pulse of B addition electrify, criterion already photograph magnetic pole will be the closest from it 2, 4 tine attract the past, such rotor had turned along anticlockwise direction 30 ° . Same argument, be like pulse of C addition electrify, criterion rotor has turned again 30 ° . Later again pulse of A addition electrify, rotor continues to had turned 30 ° . Such such.

Press A of → of C of → of A → B.

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Ordinal electrify, the pace presses anticlockwise direction roll into electric machinery. 2.

The pace advances the working principle of electric machinery into the drive basis pace of electric machinery, the angular displacement that we know to the pace enters electric machinery measures a number with instruction pulse to become direct ratio, direction of rotation and electrify direction are concerned. Because this pace enters the drive circuit of electric machinery, must can control a pace to enter electric machinery the electrify change frequency of date of telecommunication of winding of each photograph excitation, frequency and electrify order. This job is finished by pulse alloter and power amplifier dictate through pulse, guide by certain order connect or end power amplifier, the excitation winding electrify that makes electric machinery corresponding or the device that cut off the power call pulse alloter, also call annular alloter. It waits for composition of component of basic and logistic function by door circuit, trigger. The pace enters electric machinery turning with invert, by direction the instruction is controlled. The pace parts to be decided by the frequency of instruction pulse and amount into the corner of electric machinery and rotate speed. Pulse allocation can come true by hardware or software. As hardware, there already was component of appropriative alloter function to sell on the market at present. Use special integrated circuit to be helpful for raising a system to be able to be taken gender and reduce systematic cost. With personal computer control pace enters electric machinery, use assembly language to weave the program will allocate pulse, call software pulse to allocate. The characteristic of this kind of method is to control agile, dependability tall, production cost is low. Of course, it requires the process with complex work out, need to take up many memory unit and operation time. CNC Milling