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The measures to solve the problem of high speed engraving and milling machine to plunge into knife
by：Transon
2020-07-28
Multi-station CNC engraving knife device is used successfully in fully automatic CNC carving and milling machine, and achieved good results, the production efficiency are increased before 6 ~ 7 times.
The technology can be applied to precision carving and milling CNC engraving and milling machine, such as various kinds of instrument calibration mark, sniper rifle sights scale, etc.
The technology also can be widely used in CNC carving and milling machine, machining center and other transfer processing system.
to introduce high-speed engraving and milling machine tool device can improve the work efficiency, but also poses a serious problem. If high-speed carving and milling machine signal problems against the knife, knife phenomenon will appear. Tool kept downward movement met surface continues to run down, can appear serious colliding accidents.
the phenomenon must be avoided, otherwise the CNC carving and milling machine tool cannot run normally. In order to avoid the phenomenon, the following reliability assurance measures are taken:
( 1) Engraving head take special design structure. Engraving head structure design is shown in figure 1. The engraving head as an electrode, but in the first chart can be seen in the engraving head high speed of rotation of the body and is doing high-speed relative motion. The contact between the two conductors can not 100% reliable contact, such detection point signal will appear error. Experiments proved that the structure of knife knife rate reached 1% ~ 5%, seriously affect the using performance. Ningbo sea CNC engraving machine co. , LTD. , in order to improve detection reliability, carved in the head end with a compact laser carbon brush device. Laser carbon brush by spring pressure close to high-speed spindle. Using this structure after the actual knife rate is less than 0. 0001%, at present also did not see in the customers to use knife report. Figure 1
the sculpture of carving and milling machine head structure design
( 2) High-speed spindle motor adopts brushless dc motor, on the one hand, the brushless dc motor speed up to 10000 r/min, compared with ac spindle speed is much cheaper price. And compared with common dc motor, stable and reliable running, no electromagnetic interference, and greatly reduce the probability of firm knife.
( 3) The knife device software and hardware anti-interference measures were taken.
engraving machines, engraving and milling machine price price and other information in the numerical control network.
to introduce high-speed engraving and milling machine tool device can improve the work efficiency, but also poses a serious problem. If high-speed carving and milling machine signal problems against the knife, knife phenomenon will appear. Tool kept downward movement met surface continues to run down, can appear serious colliding accidents.
the phenomenon must be avoided, otherwise the CNC carving and milling machine tool cannot run normally. In order to avoid the phenomenon, the following reliability assurance measures are taken:
( 1) Engraving head take special design structure. Engraving head structure design is shown in figure 1. The engraving head as an electrode, but in the first chart can be seen in the engraving head high speed of rotation of the body and is doing high-speed relative motion. The contact between the two conductors can not 100% reliable contact, such detection point signal will appear error. Experiments proved that the structure of knife knife rate reached 1% ~ 5%, seriously affect the using performance. Ningbo sea CNC engraving machine co. , LTD. , in order to improve detection reliability, carved in the head end with a compact laser carbon brush device. Laser carbon brush by spring pressure close to high-speed spindle. Using this structure after the actual knife rate is less than 0. 0001%, at present also did not see in the customers to use knife report. Figure 1
the sculpture of carving and milling machine head structure design
( 2) High-speed spindle motor adopts brushless dc motor, on the one hand, the brushless dc motor speed up to 10000 r/min, compared with ac spindle speed is much cheaper price. And compared with common dc motor, stable and reliable running, no electromagnetic interference, and greatly reduce the probability of firm knife.
( 3) The knife device software and hardware anti-interference measures were taken.
engraving machines, engraving and milling machine price price and other information in the numerical control network.
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