The Floor Springs with Speed Adjustment Valves with 130-0 degree and 130-20 degree double closing speed adjustment valves is made in 304 Stainless Steel to ensure durability. Latching and closing speeds can be easily adjusted to ensure safety. The Speed Adjust Floor Springs are suitable for maximum 1500 wide door leaf and the maximum bearing weight is 130kgs. The opening maximum of the door leaf is 105 Degree, can be located at 90 degree or 105 degree.
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Modern CNC systems play a crucial role in maximizing the performance of milling machines, enabling them to achieve both high production efficiency and superior surface finish quality. Beyond advanced motion control capabilities, a modern CNC system should also be user-friendly, with an intuitive interface and smart process cycle technologies. These features help reduce machining time, as well as setup and programming efforts, making it possible for conventional milling machines to meet technical specifications that were once only achievable by high-end models.
The Siemens Sinumerik CNC system, equipped with the MDynamics milling technology package, introduces a groundbreaking feature called "Excellent Surface" — an intelligent motion control technology. This includes innovative functions like the "read-ahead" algorithm, block compression, and jerk control, which collectively enhance the precision and smoothness of the cutting path. The Sinumerik MDynamics Milling Package is compatible with all major Siemens CNC platforms, including the Sinumerik 840D sl, 828D, and the newly launched Sinumerik 828D BASIC M (see Figure 1).
**Figure 1**
### 1. "Excellent Surface" Technology – Superior Machining of Freeform Surfaces
One of the key innovations in the "Excellent Surface" technology is the enhanced "read-ahead" function, which significantly improves feed accuracy and speed. This allows for smoother transitions between adjacent cutting paths, regardless of the CNC system being used (see Figure 2).
**Figure 2**
With faster processing speeds and improved surface quality, this technology revolutionizes mold manufacturing by boosting both efficiency and product quality. It eliminates the need for manual adjustments to machining parameters for specific parts, delivering consistent or even better results in less time than traditional methods. This not only saves valuable production hours but also ensures high-quality finishes without the need for extensive rework.