Is phenolic aldehyde plastic and electrical engineering how does finished product give or take an injection shape?

(1) select material. The phenolic aldehyde that makes electrical engineering finished product is plastic great majority is with phenolic aldehyde colophony is glue sticky agent (matrix) , it is filling with wooden pink or fibre glass, and mix into enters necessary solidify agent, modifier, colorant, lubricant to wait for those who make. Call bakelite pink or bakelite white with the common of wooden pink fill, with fill of short fibre glass call short cut moulding of fibre glass phenolic aldehyde to expect. Bakelite pink suits to make normally electrician is isolated from finished product, short cut makings of moulding of fibre glass phenolic aldehyde to suit to make finished product of insulation of electrician of business high strenth. Fabricant of electrical engineering finished product but direct from phenolic aldehyde plastic produce the phenolic aldehyde that the factory purchases all sorts of sort and type is plastic be used at producing, plastic pink sort, brand reachs phenolic aldehyde of watch 7-4 listed China utility.

(2) first device.
① gives or take an injection machine. Be necessary to choose major to give or take an injection plasticly at heating up solid sex machine, this kind gives or take an injection the first distinguishing feature of machine is: Makings canister request is high temperature resistant, be able to bear or endure high pressure, wear-resisting, and lest,do not have makings shedding blind angle plastic solidify; Give or take an injection screw is normally equidistant, wait not to have compression ratio screw greatly; Give or take an injection screw long way is smaller, take 12~16 normally.
② gives or take an injection model. Reclaim because hot solid sex is plastic not easily after solidify use, give or take an injection so modular construction should make flow path as far as possible little. Because give or take an injection,have rate the characteristic with fast, tall efficiency, give or take an injection so the model does not suit to produce have insert embedded finished product (installation inserts insert take time) , if be necessary to take,insert insert, can choose insert to heat up the measure that insert, inside the prefab aperture that heat takes the advantage of to will insert insert lunge finished product after finished product firm drawing of patterns namely, rely on plastic refrigeration to shorten band inserts insert closely.

(3) preparation technology.
① technology flow. Hit stitch to produce flow of technology of finished product of phenolic aldehyde electrician.
② technology condition. Give or take an injection model phenolic aldehyde is plastic shape technical condition.





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