The shallow concave surface of the plastic products require the core distance pulledsmall, when the area of the face concave core, big big withdrawal. So, the structureoblique pin was added to the side of the core and product withdrawal. The thrust of the latchpush the sliding motion of the tilt controls closing awry. Inclined facethe core of the product and the withdrawal was completed by latch vertical thrust and obliqueremove the plate products.The main attention when designing:1) present inside the core's withdrawal, the top of the latch should lower oblique÷ 0.05 0.1 mm core plate surface, in the process squeezing, oblique pegs done rehearsalsthe core, moving in. To prevent collision radius from the bottom of the propertyplastic core on the withdrawal, the underside is higher than that of the structure, inat that time, the face symmetrical move S of RADIUS bo required structurewith S1 which is wider than s. so, stumbling as the banks can avoid hittingtouching on the core. S1 > S.key's tilt angle β) should take in about 5 ÷ 25°, and anglethe core of withdrawal on α navigation structure should be less than or equal to β, α ≤ β.Prevent the collision between the oblique and core of the bevelled part latches protrude.3) structure with function, the length of the edge round betterrộng hơn có thể, 4 góc của con trượt nên làm góc tròn để thuận lợi choquá trình phay. Thiết kế đảm bảo vững vàng và chắc chắn của cơ cấu hồivà mở rộng khoảng cách của quá trình.4) Khi ma sát trượt xuất hiện giữa chốt xiên và tấm giữ của tấmđẩy, cần phải tôi cứng bề mặt để nâng cao tính chống mài mòn.
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