TheImportance of Gauging Residence-Time Distribution—Part 2
Each molecule in the molded product can have a different residence time. This variance is reflected in the Residence-Time Distribution, which you can learn how to determine below.
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停留时间和停留时间分配-第1部分，共2部分
Failing to calculate and accurately account for residence time can compromise material integrity before it’s even injected.
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射出成型: Understand the Link Between Feed Throat Temperature& Bridging
Save time and money by properly controlling the feed-throat temperature. In some cases—but not all—it can help you solve a bridging problem.
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How to Know When Your Process is Ready to Make Acceptable Parts
Focus on six key metrics to help you determine when a process is lined out and stable 恩ough to start production.
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TheCosmetic Process Window: Key to a No-Tweak, Robust Process
Establishing a process with the widest possible cosmetic window can help put your injection molding on cruise control.
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不要陷入“闪速短裤”追逐中
Injection molding’s most common defects can have inverse correlation, where correcting one causes the other, leading to the“chase.”
Follow These Tips to Sanitize 机 Controller Screens& Buttons
Keeping your workers safe from the coronavirus makes it extremely important to institute a sanitizing procedure on all touch surfaces of the controller, screen and operating panel. I did some research and here’s what I found.
搜索通用设置表
Duplicating a process from one injection machine to another is frustrating and time-consuming. Develop a mold-specific setup sheet that works in all kinds of presses by differentiating plastic parameters from machine parameters and duplicating those plastic conditions from machine to machine, electric or hydraulic.
模塑商如何实现有效的过程监控？
You have developed a proper process; now you need to monitor that process to 恩sure its stability through a run.
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V到P的上升时间和超程
Many injection machines use ramp time to control the transition from injection pressure to hold pressure and reduce over-travel. Do you know how to set yours?
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Graphing Injection Pressure: What Should Pack& Hold Curves Show?
Are you sure your press is doing what you want? Visit your controller often to 恩sure your machines plot the pressure vs. time graph for all your processes. Here let’s focus on pack and hold.
了解和使用减压对您的优势
Decompression—aka suckback—is a very important setting on an injection molding machine. On today’s machines, molders typically get the option to set decompression before and after screw rotation/recovery. Are they using this feature to their advantage?
如何处理成型零件中的残余应力
Here are design, molding, and fixturing considerations to help you handle this unavoidable issue.
如何管理注塑成型中的压力损失
Achieving a process window wide 恩ough to 恩sure consistent part quality depends on achieving sufficient pressure at 恩d of fill.
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如何快速验证您的机器& Process Setpoints
For a quick check of your process setup, the injection-pressure-vs.-time graph is your best tool.
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The'Butterfly Effect'注塑成型中的连接过程
In injection molding, a seemingly minor change in a setpoint can have a significant impact on part quality and process robustness and repeatability. That’s why Scientific Molding focuses on process outputs, not setpoints.
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获利的锁模细节
Taking time to sweat the details of clamping is not much fun, but they do make a difference in a company’s bottom line.
什么是静态的？
Static buildup on polymers can cause a variety of problems, some rather unpleasant. Yet there’s an inexpensive way to eliminate it, and we have data as proof.
PART 2: TheImportance of Consistent Fill Time
To make identical parts, you need to keep fill time constant. In part one we covered the why. Here’s the how.