use that kind of core-pulling mechanism in a mold
Use preferably core-pulling mechanism wherein the angle pin is located in the fixed mold and the slide in the moving mold.
use a suitable angle in the core-pulling mechanism of a mold
Wedge angle of the wedge block should be larger than the obliquity of angle pin, usually larger than 2—3 degrees; otherwise, the angle pin can not drive the slide.
the slide should be in the chute after moving completion
Upon completion of core-pulling, the slide left in the chute should not be less than 2/3 of total length of slide.
Prevent mutual interference in the core-pulling mechanism of a mold
Try not to make the projection of the ejector pin coincide with that of the active core on the parting line to prevent mutual interference of the slide and the ejector unit during restoration.
Plastic part remains on the moving mold
When the slide is set on the fixed mold, […]
core-pulling distance in the core-pulling mechanism of a mold
Pull the active core out from the molding position to a place not interfering ejection of the plastic parts, and the distance moved by the active core or slide is called core-pulling distance. Generally, core-pulling distance equals to the depth of side hole plus a safety distance of 2—3mm. A core-pulling mechanism for pulling a slide [...]
dip angle of angle pin in the core-pulling mechanism of a mold
The size of dip angle is not only related with the bending force of angle pin and the actually realized pulling force but also connected with the working length of angle pin, […]
Your mold shop should plan workholding
Planned workholding, in its simplest form, is planning in advance how the workholding will be accomplished prior to the job getting to the machine. In the more complex form, all workholding for each machine is planned at the design stage with documentation that will provide the plan for the workholding at each operation. Planned workholding [...]
New injection simulation softwares are getting advances
High quality plastics components are becoming an increasingly important part of the perceived quality of products. An important part of this high quality perception is a flawless and often high gloss surface finish. Traditional methods such as surface coatings and other secondary operations are often expensive and impractical for high-production volumes. In many cases, the [...]
New CAD technology change design ideal
Technology—including CAD technology—has changed dramatically since the 1980s. As soon as new technology is developed, it is integrated into products and our way of doing business. In the manufacturing world, CAD software versions are released at regular intervals with product design and manufacturing processes integrating the new CAD technology as soon as it becomes available. [...]