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How to select CNC Router Machine
Gennerally, Mini SizeCNC router table size is 600*900mm . The basic application of mini table size cnc router is to engrave double-color board. More smaller models prices are similiar with it .
Now the Acrylic and PVC sheet on offer are 1300*2400mm, so above modelsare available for them .
Spindles are the important parts of the CNC router, their performances play a key role in overall machine , the spindles are divided into two kinds. One is precision processing spindles, another one is high power cutting spindles.
1)Features of precision spindles are of lower noise, higher rotation speed, They are applyed for processing precision workpieces, such as Seal
nameplates. Breastplate and etc, the spindles are of higher speed frequency one, power is less than 250w . So They cannot cut off the thick workpieces,
This kind of spindles contain Brushless higher rotation AC spindles and Brush AC spindles,
The differences between them are :
A .The rotation of brushless spindles are higher , large speed change range, up to 700-60000RPM. but brush one cannot beyond 24000RPM.
B. Brush one rotating precision is higher, less wear, lower noise.
C.brushless one stall features are better, so short stall cannot burn the spindle motor, but brush one will be burned when stalling and overloading.
All operations must be completed by PC, The pc must be under working conditions when machines work, then the PC cannot operate others works .
B. MCU control , this controller can save computer from single work, The PC can make designs when machine works.
C、USB tranfer, after save the data into the DSP panel , the PC can close and make other works, this improve working efficiency of cnc routers.
4、Rails
Big size CNC routers must adopt imported widen square rails , The bearing and precison are 30times than round rails.
5.Precision