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Figure 1: The larger diameter stalk spray nozzle unreasonable
Figure 2: The radius of contact between the nozzle and spray the recess of stalk unreasonable
Figure 3: logical
This will ensure there is no gap between the stem and spray nozzle when touching. Such gaps can be worn by growing cause some material leakage problem.
The angle of the stem taper should be large enough spray to break the mold, but if too large will increase the cooling time, material costs, cut time consuming ejected from the product. If the taper angle is too small can cause difficulties when removing stalks when open mold spray. Therefore, the minimum taper angle should be 1 °.
On the site, spray stem is removed at the same time taking the product. Therefore, there should be pulled stem parts when open mold spray. Taking advantage of the plastic part to keep the caudal peduncle as slow cooling spray.
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