WHAT IS THE WELD LINE? When two or more plastic streams meet at different temperatures as the plastic is filling the mold cavity, the two streams may not correctly mix together. When this happens, it forms a weld line. These are indicated in the following pictures: The Reasons and Solutions...
The invention relates to a method for welding laminate-like packaging materials (4a, 4b, 5) which have a plastic material on the surfaces to be joined by welding, without contacting said surfaces with welding tools. To be able to interrupt the welding abruptly and resume it thereafter without...
This type of glue isn’t a surface coating; it’s a PVC solvent that actually melts plastic. When you spread this glue on a pair of pipes and join them, the melted plastic of both pipes hardens into a single piece. This makes trying to unglue a joint a bit like trying to unbake a...
Use rough surfaces to disguise the weld line We’ve covered the main areas that designers should apply to plastic injection molded parts in this article. Of course, since every project is unique, you should work closely with your manufacturing partner to find realistic solutions to help you meet...
11. Weld a nut to the screw’s head. Photo: Tom Fenenga for Bob Vila If you’reexperienced with weldingand have the necessary equipment on hand—and youreallywant to remove that pesky stripped screw—here’s a last-ditch effort you can make: Spot-weld a nut to the top of the screw...
aweld log 焊接日志[translate] a我当时没反应过来 I at that time have not responded[translate] aBy checking the batch products meet 通过检查批产品集会[translate] a痰咳不出來 The mucous cough does not come out[translate] a爸爸答应我我数学期末考考试达到九十分以上就带我去旅游期末成绩单发下来了我...
The softened PVC will allow you to completely push the pipe into the tapered fitting. Check for alignment. You have a very short amount of time to make slight corrections. Hold the pipe and fitting together firmly for about 30 seconds which ensures a secure weld. Wipe away excess cement, ...
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A good old-fashioned DIY drywall repair might save you a trip to the hardware store. We’ve developed a few tricks to make keeping it in shape easier.
a4. MOLDING DEFECTS SUCH AS WELD LINES FLOW MARKS AND SINK MARKS ARE NOT ALLOWED. 4. 造型瑕疵例如焊缝流动标记 并且缩痕不允许。[translate] a本书讲述了四个人的故事 この本は四人の物語を述べた[translate] aJust want to protect you for life. Cong. 请想要保护您在生活。 Cong。[translate] ...