注塑模具venting-閱讀頁
2024-08-20 16:51本頁面
【正文】 corresponds to our knowledge on the subject at the date of its publication. This information may be subject to revision as new knowledge and experience bees available. The data provided fall within the normal range of product properties and relate only to the specific material designated。 they are not intended to substitute for any testing may need to conduct to determine for yourself the suitability of a specific material for your particular purposes. Since DuPont cannot anticipate all variations in enduse conditions DuPont makes no warranties and assumes no liability in connection with any use of this information. Nothing in this publication is to be considered as a license to operate under or a remendation to infringe any patent rights. CAUTION: Do not use this product in medical applications involving permanent implantation in the human body. For other medical applications see DuPont Medical Caution Statement, H51459. 174。 to retain strength Diameter equal to 80% of pin diameter Efficient Venting Page 19 Ejector pin venting: Then add relief channels along the length of the pin back into the clearance hole, or back into the ejector box if there is no clearance in the hole Efficient Venting Page 20 Ejector pin venting: Typical relief channels along the length of the ejector pin or sleeve ejector until clearance is reached Relief channels must be symmetrical to stop the pin bending. Depth depends on pin diameter, but 1mm minimum preferred Efficient Venting Page 21 Vented ejector pins Efficient Venting Page 22 Fixed inserts: ? Fixed inserts should be vented using the same principles as for ejector pins ? They need a good exit to atmosphere, otherwise their effectiveness will be reduced because they do not move each shot like ejector pins
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