Direct drive technology in molding cutting Machine - molded cutting machine - machine tool industry
Direct drive technology, machine tools not only to assemble a compact, stable, and improved accuracy and reduced the cost
Traditional molded gear cutting machine the way, not only complex, high cost, and stability and accuracy are difficult to meet customer needs. More and more finishing companies have recognized this, and gradually the use of direct drive technology to its molding cutting machine has been redesigned, not only to reduce the machine components, reducing noise and greatly improve the accuracy of the machine, which improve the overall capacity of molding cutters.
So-called direct-drive motor is a direct drive rotary (DDR) or direct drive linear motor (DDL) directly coupled or connected to the driven load, in order to achieve a rigid coupling with the load. With the removal of belts and gear boxes and other components, direct-drive solution that simplifies machine design, eliminating the noisy mechanical transmission and drive associated with the performance of such restrictions, with maintenance-free, high stiffness, no lubrication, positioning accuracy High-speed smooth, quiet operation, etc, so as printing, packaging and other areas are ideal for applications, greatly improving the productivity and reliability of the equipment. Also, because assembly is compact, small parts, installation and ease of use, also helps OEM manufacturers products to market quickly.
Direct drive rotary motor, sometimes referred to as torque motors, the load can be connected directly to the motor, able to produce relatively low speed high torque can be applied to high-speed chip sorter. DDR can provide customers the following benefits: clean mechanical parts; servo performance improvement, DDR can be 50 times the precision; maintenance, DDR neither needs and adjust the belt tension, and no leakage will occur and the need for lubrication gear; repeatability improved; reduce machine downtime; running, low noise, noise can be reduced up to 20db.
CartridgeDDR (CDDR) motor is a Danaher Motion's latest patented product, is the industry's first frameless motor technology to save space and performance advantages and ease of installation-wide framework for combining motor motor. CDDR motor consists of a rotor, stator, and the work of the entire high-resolution feedback devices composed of stereotypes, their non-bearing, the installation of the machine, the motor's rotor bearings through to supporting the existing machine.
Innovative compression coupling to the load on the rotor gear to blend the two, eliminating the flexibility between the motor and load. CDDR motor frame with conventional servo motor and lead the same bolt circle diameter installed on the machine, saving space and design time, simplify the whole system.
CDDR have CE certification and meet UL standards for global application, can be used for 230V, 400V and 480V voltage to meet the maximum design flexibility and robust operation. CDDR framework has five specifications, including 4.25,5.4,7.4,9.8 and 13.7in2 (1in2 = 6.45 × 10-4m2). CDDR with the S300 and S600 standards-driven system, C09 and C13 have through-hole option. CDDR continuous torque of 4.6 ~ 510Nm, peak torque of 11.3 ~ 1017Nm, the maximum speed up to 2500r/min.
Other than the direct drive motor configuration, CDDR motor on the cost-effectiveness and ease of use has a significant leap. A framework for motor and feedback device installation and commissioning will take several months time, simply and easily CDDR shaft aligned with the guide devices, removed from the transfer box to start the time running only 5min. CDDR motor can be installed in any direction, including the installation of the horizontal axis or vertical axis.
Finishing one of the world's leading companies use the original molded gear cutting machine, but as users of the machine's accuracy and efficiency requirements of the continuous improvement of the original drive way far from the customer needs. This enterprise was aware of the benefits of direct drive technology, a patented technology will be to get the CDDR motor based on their entire molding cutting machine has been redesigned. The new design of the machine removed the gear, speed belt, gear box, bearing, mounting brackets, gear injection tank, phase, pneumatic clutch, Pulley , Location, motors and more than one hundred parts. The design for the companies bring significant benefits, not only will the noise reduction 20 + dB, reduce the number of components 100 pieces, and the accuracy increased more than 10 times the overall capacity of machine tools increased by 20%.
This enterprise project manager, said that under the direct drive technology, molding cutters is that they now have seen the most stable model. Their customers have been re-designed this machine showed full interest and demand for it far beyond their imagination. One of a German client in to see this new machine, immediately cancel the original order, and said, "I want to replace this machine."
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