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Ordinary graphite material
High purity graphite material
Characteristics of graphite electric discharge machining:
A: The price is cheap, economical and practical.
B: Capable of receiving large currents, fast discharging speed and high efficiency. C: Not easy to deform, suitable for thin bone (Ria) processing. D: At present, there is room for improvement in mirror discharge.
Parameter setting for comprehensive processing conditions of graphite electrode:
1. Rough machining parameter combination:
①. Pulse width: 200us, peak current: 55A, average current: 254, roughness: Ra12.52, middle processing parameter combination:
②. Pulse width: 100us, peak current: 30A, average current: 15A, roughness: Ra9
③. Pulse width: 50us, peak current: 15A, average current: 6A, roughness: Ra16.3
④. Pulse width: 25us, peak current: 12A, average current: 5A, roughness: Ra14.5
⑤. Pulse width: 12us, peak current: 8A, average current: 4A, roughness: Ra33, combination of finishing parameters:
⑥. Pulse width: 6us, peak current: 6A, average current: 3A, roughness: Ra2.1. Pulse width: 3.2us, peak current: 4A, average current: 1-2A, roughness: Ra2
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FOSHAN NANHAI BAOTAN GRAPHITE PRODUCTS CO. LTD