The goal of CNC machining is to achieve high speed, high precision and high efficiency machining. How to ensure the optimal acceleration and deceleration control law with the shortest transition time as the goal under the premise of smooth motion of the machine tool, so that the machine tool has the acceleration and deceleration characteristics to meet the requirements of high-speed machining, is a key issue in the study of acceleration and deceleration. Acceleration and deceleration control schemes usually have two kinds of pre-acceleration and deceleration control and post-acceleration and deceleration control: pre-acceleration and deceleration control is generally located before interpolation and after interpolation preprocessing. The object of acceleration and deceleration control is the command feedrate; post-acceleration and deceleration control After the interpolator and before the servo controller, the feedrate of each motion axis is controlled. After the acceleration/deceleration control does not need to calculate the deceleration point, the algorithm is relatively simple, but if the servo gain of each movement axis is different, it is easy to cause a large trajectory profile error and affect the movement accuracy.
At present, the main application of acceleration and deceleration control technology. Acceleration and deceleration control methods can be summarized as traditional acceleration and deceleration methods and flexible acceleration and deceleration methods: traditional acceleration and deceleration methods are trapezoidal acceleration and deceleration methods and exponential acceleration and deceleration methods; flexible acceleration and deceleration methods are trigonometric acceleration and deceleration methods, s-curve acceleration and deceleration methods And polynomial acceleration and deceleration methods. The traditional trapezoidal and exponential acceleration and deceleration affect the smoothness of motion due to abrupt acceleration, and the flexible acceleration and deceleration have received much attention in high-speed machining because of continuous acceleration.
MRL / Overhead traction elevator packages are designed to provide independent and OEM elevator contractors with reliable, turn-key, custom solutions for any modernization or new construction project
Passenger Lifts
Panoramic Elevators
MRL Elevators
Villa Lifts
Home Lifts
Freight Elevators
Car Elevators
Dumberwaiter Elevators
Service Elevators
Our elevator regeneration team has extensive knowledge and is supported by our in-house technical design, manufacturing facilities, allowing us to offer modernization solutions of all types and complexity from single elevator, low rise installations to multi elevator, high rise group systems
MRL / Overhead Traction Elevator Packages
MRL Elevator Packages,Overhead Traction Elevator Packages,Traction Elevator Packages
CEP Elevator Products ( China ) Co., Ltd. , http://www.china-elevators.com