High-speed cutting is the development direction of the cutting industry in the mold industry, because of its high cutting rate, high feed rate, low cutting rate, good machining surface, no need for subsequent mold repair, accurate geometric accuracy of the workpiece and thin-walled parts. It is not easy to deform and other characteristics, and is favored by processors. However, the normal machine speed can not be too high, sometimes to obtain a high degree of smoothness, short-term high efficiency, or the workpiece is not easy to deform, or to use a small-diameter knife but suffer from insufficient speed, etc., in a short time, the customer needs the machine tool. The speed of the vehicle is very high, and if the high-speed machine is purchased only for this reason, the cost of the customer will increase significantly. Therefore, under the guidance of the processing concept of “small tool diameter, light cutting, fast feed and multi-layer machiningâ€. The motor built-in electric speed increaser - electric speed increaser is used. It is the best way to resolve this state.
The electric speed increaser is simple to install on the machine tool, similar to the tool holder. The tail is a 7/24 taper shank, but unlike the ordinary taper shank, the spindle machine is supported by the shank on both sides, not only the taper surface but also the machine tool spindle. The inner holes are fitted together, and the end face of the machine tool spindle is also combined with the blue plate of the electric speed increaser, which increases the overall accuracy and rigidity. Stable and maintenance-free three-phase AC induction direct motor with precision ball bearings and grease lubrication. The tool is clamped by the ER collet and rotated directly. The motor is set via the inverter parameters. The stator is equipped with an inductor to detect and protect the motor from overheating, so that the motor is protected from overcurrent damage. The speed is also controlled by the inverter, and the stepless speed can be obtained. Any adjustment between speed and maximum speed. The spindle of the machine tool is self-locking during machining, and the power of rotation does not depend on the rotation of the machine tool, and the workpiece is processed by the coordinate translation of the machine tool. No gear noise, it can run 24 hours.
The motor motor used by Puhui is made in Switzerland (E+A), and the bearing is also made in Europe, which has the advantages of low noise and low vibration. At present, Puhui's various products for the mold industry in the mainland are:
1. S1010: It adopts steel ball bearing, has fan cooling, and has small power and torque. It is suitable for processing soft materials such as aluminum or red copper. The speed is adjusted between 12000 and 24000 rpm. The accuracy of the taper yaw in the spindle is guaranteed to be 2μ or less. Suitable for processing of electrodes and the like.
2, S1016: It is made of ceramic bearing, which has large power and torque, and is suitable for the processing of the mold after heat treatment. The speed is adjusted between 15,000 and 30,000 rpm. The accuracy of the taper yaw in the spindle is guaranteed to be 2μ or less. Can be carved and milled.
3, S1130: It is a ceramic bearing with large power and torque. It is suitable for the processing of the mold after heat treatment. The speed is adjusted between 15,000 and 30,000 rpm. The accuracy of the taper yaw in the spindle is guaranteed to be 2μ or less. In addition to being able to completely replace the S1016, it can also be ground. In the actual application, the customer has made a comparison: for example, in the processing machine locomotive connecting rod mold, the material is SKD61, the hardness is HRC52, and it is processed by electric spark discharge, which takes more than 15 hours, and adopts Puhui's electric speed increaser. Processing time is only 7 hours and 20 minutes. Surface roughness is also generally superior to EDM.
In addition, various standard shank Puhui have a large number of production, among which HSK high-speed shank is also widely used in Japan and Taiwan high-speed machines as a main product. The shank with precision ≤3μ has oil pressure type and heat shrinkage. The shank with precision ≤5μ has PFK collet type and steel ball nut type, so that the user can get the maximum precision to ensure that all the precision is measured at the length of 4D. Except for the side-screw shank, all standard shanks are at 25,000 rpm, making G6.3 dynamic balance. In order to avoid interference during processing in small locations, we also have special small-diameter nut holders for customers to use.
In order to enable customers to reduce costs, improve the accuracy of the workpiece, easy to use, Puhui urgent customer's urgency, think of what customers want, do their best to design and production, in order to provide customers with better service.
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