塑胶模具开模检讨报告DFM常用英文和滑塊干涉的倒勾請加膠填平至1 The undercut area where interfere with slide 滑塊可以平順滑動 block need to be filled material to help the slide can move smoothly加膠太多 2 The thickening added too thick.加膠面積太大 3 The thickening area is too wide.灌點位置移位 4 Gate position is moved.滑塊拆的位置 5 The split line of slide block or the area of slide.此處有尖角,填充困難 6 This area is hard to be filled due to the sharpfeature此處鋼材太薄,強度不足而且不7 The strength of this area is too weak and isn’t 容易冷卻 easy to get cold due to the steel too thin 圓柱特徵要有一半圓不可以拆在8 The semicircle of cylinder avoids designing on 滑塊上,以免粘滑塊造成拉白,slide block lest it will be pulled apart or cause 拉斷. drag mark.此處做斜銷在作動時會破壞到成9 The part will be damaged if we make lifter in 品 this area.這個面是裝配面,不能加膠 10 This is critical surface where is not allow toadd material.此處料位太厚,會有縮水,建議11 This thick wall area might because sink mark,減小塑料厚度以改善 Please reduce some wall thickness to improve it.此處做滑塊的話會有結合線,請12 Please confirm whether it is acceptable to has 確認是否可以接受 Slide split line if we have slide in this area.請確認此面是不是外觀面? 13 Please confirm whether it is critical surface ornot?此處有倒勾,能否減料,使公母14 Please confirm whether we can reduce 模靠破,不做滑塊和斜銷 material to the area where have undercut as indicated to have shut off on core and cavityside. No slide block and lifter to be made.請盡快確認這問題點,否則會影15 Please confirm these questions asap.響交期 Otherwise the lead-time will be extended.Gate做在此處的話.蓋子打開後16 The trim mark of the gate is not visual after 看不到Gate的修剪部位 open the top case if the gate position isdesigned like it加大拔模角,以便脫模順利 17 We would suggest to enlarging draft to helptool released.如果GATE一定要做在你們指定18 If you insist that the gate position have to be 的位置的話,那還不如做在這一 as original design then we wouldfurther 側,這樣的話還可以減小這個位recommend to have it to the area where置的縮水 indicate as it can avoid shrink problem in thisarea.P.L面開在此處,模具上會有尖19 There are sharp edges if set the parting line at 角和刀口,對模具壽命有影響 here, It will reduce the tool life請問此產品的面是否為外觀面,20 Can you tell me whether the surface of this表面做什麼處理,是蝕紋/拋part is a visible/esthetic one? What will we do 光, for its surface? Texture or Polishing?請問產品這個面可否加頂針或頂21 Does this part need an ejector pin or an 塊,產品允許加扁頂針嗎, ejector bar? Can we add an ejector blade?這個產品的柱位元我們打算做司22 Can we add ejector sleeves or ejector pins in 筒。

:或鑲針:可以嗎, the boss of this part?這個位置有倒勾不能脫模,我們23 There's an undercut at this position and it打算做滑塊,在此面上會有分模needs a slider. It will also have a parting line 線,你接受嗎, on this side, is that OK?我們打算在這個位置做斜頂或內24 We will make the lifter or inner slider in this滑塊,有問題嗎, position, will that be a problem?你提供的2D產品圖與3D產品圖25 The 2D and 3D drawing you provided is not 不一致,請問以哪一個圖正確, the same, can you tell me which one iscorrect?你提供的3D產品圖有的地方沒26 There is no draft angle in the 3D drawing, 有脫模角,有的地方膠位太厚,some materials are too thick, and some place 有的地方膠位元太薄,這些產品are too thin. Can we modify this part by 問題我們可以自己修改嗎,修改ourselves? We will send the drawing to you 後會給交給你確認。

for you to check after we modify it.按你們提供的縮水率千分之五,27 According to the shrinkage one over two 這個模具的尺寸已經做到了模具hundred, the mold has been done in the right 圖面要求。

dimension,注塑出來的產品不符合你們的產28 The part falls short to your part drawing, are 品圖。

請確認你們的材料的縮水you sure the shrinkage is right?率是否正確,產品的這個位置太小,導致模具29 This position is too small and will make the 鋼料太薄,能夠加寬這個位置steel material here too thin, can we widen it 嗎, here?斜頂與後面的Boss空間太小,斜30 The angular lifter interferes with the boss 頂在運動時會干涉到柱子,能移during ejection. Please consider changing the 動這個柱子的位置嗎, position of the boss.這個筋骨位膠厚太薄,而且高度31 The rib here is too thin and on the high side, 偏高,注塑時很難填充這個筋so it will be difficult to fill here when we do 位,可以增加這個筋骨位的厚度the injection, can you increase the thickness 嗎, of this rib?你是想將此筋骨位的高度加高/32 Will you increase/decrease thematerial on減低嗎,假如加膠,我們將用放this rib? If add the material,Wewillmodify it電方式加深。

with EDM process減膠修改有兩種做法, 33 There are two option if decrease the material:1、做鑲件; 1.Make inserts;2、燒焊;因為鑲件的底部有運2.Welding, because there is water in the水,我們簡單的做法是燒焊處bottom of the insert, is that OK?理,你可以接受嗎,這個樣板的筋骨位底部燒焦,是34 This sample has been burned in the bottom 因為排氣不良,我們可以在筋骨because the venting is not good, wecan add 位的中間增加一個鑲件。

an insert in the middle of the rib.重做鑲件大約需要5-6天時間 35 It will take about 5 or 6 days to redo the insert產品的這個面我們已經做了曬紋36 We have made the texture on this side, if we 處理,如果需要加膠,這個面我add material, it will take some days to remake 們需要重新外發曬紋。