CNC Processes
Electrical Discharge Machining
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- Tight Tolerances
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A2 Tool Steel
铝
Brass
青铜
铸铁
铜
不锈钢
Steel
Titanium
A2 Tool Steel
| Hobbing | Wire EDM | Sinker EDM | |
|---|---|---|---|
| Tolerance level | ISO 6到12级 | ISO 7到12级 | ISO grade 8 to 12 |
| Part size | MIN：1.0x1.0x0.3mm.
MAX：500x500x800mm. |
MIN：3.0x3.0x0.3mm. 最大：300x300x200mm. |
MIN：3.0x3.0x0.3mm. MAX：200x200x150mm. |
| 顶部用例 | 外部齿轮 | 外部齿轮，带齿轮，螺旋齿轮的轴 | Internal gears and features< which are not through hole, internal features requiring minimal fillets such as a hexagonal shaped cutouts in a part |
| 材料 | 所有材料 | 所有金属 | 所有金属 |
| Minimum fillet radius | n/a | 0.05mm标准
0.01mm premium precision |
0.05mm标准
0.01mm premium precision |
| 交货时间 | As fast as 12 days | 尽快7天 | 尽快7天 |
foffers two types of Electrical Discharge Machining (EDM) processes, which are useful for cutting deep pockets and complex features such as gears and holes with a keyway. EDM is also a non-contact machining method and does not exert cutting forces on the part, therefore it works particularly well for delicate structures.
通过将金属部件浸没在介电流体中来执行线EDM，然后通过浸没式金属部件进料到电荷的电线。通过电线的电流会产生引发的火花，该火花通过材料切割并形成所需的部件形状。电线EDM是一个理想的制造过程，当您在零件特征上方和下方的电线具有清关时。
The first step to performing Sinker EDM is to machine an electrode into the shape of the cutout you want to make. Sinker EDM is then performed by plunging your charged electrode into the metal component, which is submerged in dielectric fluid. The current passing through the electrode creates sparks which cut away the metal and form the desired shape of the internal feature.
Sinker EDM can be used to make bevel gears, internal gears, spiral gears, worm gears, however the process is very slow and costly so this may not be the best method for all applications. Sinker EDM can be used to create hard-to-reach, angular internal features such as blind keyholes which cannot be machined using other methods.
什么类型的齿轮可以用电气放电加工制造？
There are two types of EDM, each with their own gear manufacturing capabilities. Wire EDM can be used to manufacture both internal and external gears, as long as there is a through hole or area for the wire to pass through. Sinker EDM can also be used to machine internal and external gears, as well as gears with more complex geometry, like helical gears.
What materials can Fictiv cut with EDM?
两种电线和沉降器EDM都只能用于可以进行电力的材料，因为电极需要能够磨损材料。这将EDM过程限制为金属。
What is electrical discharge machining?
电气放电加工，也称为EDM，是一种非接触式加工过程，用于制造使用电火花腐蚀从工件中除去材料的部分。EDM对更精致的项目有益，因为它不会在工件上施加切割力。
电气放电加工类型是什么？
There are two main types of Electrical Discharge Machining (EDM) processes - wire EDM and sinker EDM, which are useful for cutting deep pockets and complex features such as gears and holes with a keyway.
电线EDM机器可以产生哪些类型的形状？
电线EDM机器可以处理可以过于复杂或精致的作业，用于加工的其他方法，例如内部圆角，角落或其他非常小而复杂的部件。
EDM过程中会发生什么？
The EDM process consists of a metal part being submerged in dielectric fluid, where an electrically charged wire is then fed through the submerged metal component to make the precise cuts.
