2014/7/26 8:39:20
Plastic Mould Defects-Dark Spots Different factors can cause the formation of dark spots or speckled: 1) process-related causes: e.g. melt temperature too high or residence time in the plasticizing unit too long. Wrong temperature in the hot-runner system 2) mold-related causes: e.g. dirty gate system or wear ((dead spot)) in the hot-runner system 3) &nb……
2014/7/26 8:37:09
Plastic Mould Problems Solution Plastic Mould Defects-Dull spots near the sprue Dull spots near the sprue are mainly caused by: small gates high injection speeds Due to high injection speeds, small gate cross-sections and by-passes behind the gate, extremely strong orientations of the molecule chains are formed during injection. There is not enough relaxation time dir……
2012/12/18 15:16:25
There is an old saying in China -- 'difficult is not its size, but in its timing'.ITNC NC system in the German BMW group Munich injection mold manufacturing pilot project experience in new challenges it illustrates this point. Auto excellent driving performance and beautiful appearance is a heartbeat, and large mold in which the action is indispensable.These injection molds effect as……
2012/12/18 14:14:23
According to USMTO, machine tool orders in October 2012 were 2,265 units and $413,969,000. Unit sales in October 2012 increased 3.4% compared to October 2011. Month over month, unit sales have increased five of the last eight months. The annual rate of change, at 5.3% in October, continues to slow its rate of growth. This is the first time since May 2010 that the annual rate of change for unit sa……
2012/12/10 20:29:06
Even those who run high-performance moulding systems want to cut their electric bills. Hot runner supplier HRS Flow says it worked with a moulder to lower the shop's energy costs for a food packaging product. Market demands for systems with increasing performance and greater energy savings are becoming increasingly common. However, this concept should not only be limited to energy savings, i.e., ……
2012/12/10 15:31:53
EDM has helped UK tool and mould maker ND Precision stay at the top of their game. The company discusses using System 3R machines to make tooling for complex plastics parts. Precision Shenzhen toolmakers ND Precision Products of Barnstaple, Devon, first started using tooling from System 3R in their Wire EDM machines back in 1987, and over the last quarter of a century they have extend……
2012/12/7 16:14:24
With delivery times between 12 and 25 weeks, customers are closely involved with their orders from start to finish: “The customer explains his ideas, a designer, not always from in-house, will be consulted, the tool is planned and discussed with the customer”, Ziegler said. The new product must operate trouble-free on all standard blow molding machines.The managing director takes the opportunity ……
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