We said in the use of the feeder, in the use of "six point positioning principle" analysis of the workpiece positioning, should pay attention to the following points：
(1) The role of locating abutments in limiting the freedom of the workpiece should be understood as that the locating abutments are always in close contact with the datum plane of the workpiece.If the two are separated, it means the loss of positioning.
(2) There is only one degree of freedom for a fixed bearing point, and only six degrees of freedom for a workpiece. In principle, the number of fixed bearing points should not exceed six.
(3) The effect of force is not taken into account when analyzing the location of the supporting point.A certain degree of freedom of the workpiece is limited, not that the workpiece cannot move when it is subjected to an external force that causes it to move away from the fixed support point.To make it unable to move under the action of external forces, is the task of clamping;On the contrary, the workpiece cannot move under external force, that is, it is clamped, which does not mean that all the freedom of the workpiece is limited.Therefore, positioning and clamping are two concepts that must not be confused.
Characteristics of NC feeder
1. The innovative mechanical structure minimizes the working space required by the whole machine.
2. The operation panel adopts color LCD, large-size touch screen, high definition operation screen and operation safety protection system, even for the first time users can operate safely.
3. The humanized design of the sound operating system shortens the preparation work.The advanced automatic diagnosis system helps the operator to quickly control the excellent performance of the machine.
4. Japanese servo motor ensures high precision feeding.
5. After special heat treatment, the feeding roller and leveling roller have high hardness of HRC60°), wear resistance and long service life.
6. Specially designed for strong and thick plate, upper and lower leveling back pressure roller group can achieve guaranteed stress relief effect.
7. The design concept of doubling the safety factor makes the safe service life of the equipment longer.
8. Various types of machine selection, more suitable for the size of the press and work requirements.
(1) The structure is the same as the unidirectional device, it can control the lower wheel quite accurately, and it won't make the lower wheel retrograde even if used for a long time, so the stability and precision are quite high.
(2) Will not be because of stamping when the residual oil spilled, and make the brake malfunction produce the next wheel reverse, the delivery distance is not accurate phenomenon.
(3) Not prone to high fever.
(4) With super hard alloy and roller, not easy to wear.
(5) Action mode for roller circular motion, there will be no bite death phenomenon.
(6) The friction force is small, the required rotation torque is relatively reduced, the rotation mechanism is not easy to damage.
(7) The speed of the reverse device can reach 30 m/min, generally 20 m/min, increasing the efficiency by 50%.
