Jul 6, 2022 | Elements of EDM, General, Wire |
This is a great question that applies to both plain brass and coated wires. When comparing wires, several characteristics and attributes should be examined, especially when trying the first spool of a new wire brand or type. Price alone is not a good...
Jun 22, 2022 | Elements of EDM, General, Wire |
This question hits on many areas that relate to the machine as well as CAM system programming techniques. Here are a few items to address and review for best results: MACHINE ITEMS: Maximum Taper Angle: It’s important to identify the maximum taper angle that a...
May 11, 2022 | General, Wire |
Angular start holes commonly occur when machining mold tooling lifter pockets and ejector pin details. As part of this process, a position for manual wire threading needs to be determined within the profile, and a M01 Stop Point should be created within the NC...
Apr 20, 2022 | Elements of EDM, General |
A proper answer requires a detailed look at the overall EDM operation. The practice of using a standard electrode reduction amount is very common, but it might not yield the best Accuracy or Machining Speed results. Pros of using a common electrode undersize:...
Apr 6, 2022 | General, Sinker |
While graphite materials can be used to machine carbide materials, it is not the best method. One of the reasons is the extremely high electrode wear rate. Burning with a fine-grain graphite, such as DS4 or POCO-3, will lead to 50-60% electrode wear when used to...
Mar 23, 2022 | Elements of EDM, General |
Depending on the fluid’s type, make and age, the easiest way to check the condition of your sinker dielectric oil is to ask the fluid manufacturer to perform a dielectric strength test. If you are using a standard petroleum-based di-electric fluid, the oil’s useful...
