久久精品国产国产精-中文字幕久久波多野结衣av-精品久久久久久中文字幕无码vr-亚洲国产一区二区三区波多野结衣-最新国产精品久久精品

Technical document

  • Mold roughness grade

    The following are some common mold grain (skin grain) data tables to describe the texture characteristics of the mold surface:SPI skin standard (American Plastics Industry Association standard) :Skin

    2023/08/16 hooren

  • Injection mold surface polishing grade

    Die surface polishing grade is assessed according to international standards and requirements. In general, common mold surface polishing grades include the following:SPI standard: SPI standard is the

    2023/07/13 hooren

  • What material is PC material? What are the advantages and disadvantages?

    Advantages of PCPC material is a kind of amorphous thermoplastic resin with excellent comprehensive properties. It has excellent electrical insulation, extensibility, dimensional stability, chemical c

    2023/06/02 PC

  • Do you know the seven components of an injection mold?

    The basic structure of the injection mold according to its use function, Hongren believes that it can be divided into: casting system molding parts, side parting, guiding mechanism, ejecting device an

    2023/04/02 hooren

  • The segmented principle of multistage injection molding

    1. Flow characteristics of plastic meltScrew propulsion phaseFirst paragraph (starting paragraph)Generally starting from injection molding, this section is mainly to enable the plastic melt to stably

    2023/01/02 hooren

  • What are nylon wear resistance additives?

    Wear-resistant nylon materials mainly by adding carbon fiber, molybdenum disulfide, graphite, polytetrafluoroethylene powder or silicone powder and other wear-resistant additives to nylon to reduce th

    2022/06/02 hooren technology

  • What is the effect of mold temperature control on the product in injection molding?

    The temperature of the mold has a profound impact on the injection molding process. Mold machines are employed to heat the molds and maintain their working temperatures, ensuring the stability of the

    2017/11/09 hooren mold

  • Polyformaldehyde POM plastic injection molding process

    Polyformaldehyde POM injection molding process:1, plastic treatmentPOM plastic has low water absorption, generally 0.2%-0.5%. Under normal circumstances, POM can be processed without drying, but wet r

    2017/10/31 hooren

Home
Product
News
Contact
主站蜘蛛池模板: 午夜电影院理伦片8888| 久久天天躁夜夜躁狠狠 ds005.com| 亚洲综合无码明星蕉在线视频| 久久99精品国产麻豆婷婷| 国产午夜人做人免费视频网站| 性xxxx视频播放免费| 亚洲欧美中文日韩v在线观看| 亚洲欧洲日韩国内高清| 狠狠色丁香婷婷综合| 亚洲精品一区二区国产精华液 | 伊人久久大香线蕉综合5g| 国产精品一区二区久久国产| 国模丽丽啪啪一区二区| 热99re6久精品国产首页| 欧美成年视频在线观看| 无码国产精品一区二区免费vr| 亚洲精品无码成人aaa片| 最新欧美精品一区二区三区 | 久久无码人妻一区二区三区午夜| 中文精品久久久久鬼色| a片在线免费观看| 亚洲欧美自拍色综合图| 奇米777四色影视在线看| 日出水了特别黄的视频| 狠狠色噜噜狠狠狠狠888奇禾| 无码国内精品久久综合88| 天天躁狠狠躁狠狠躁性色av| 欧美精品黑人粗大| 亚洲日韩v无码中文字幕| 中文成人无字幕乱码精品区| 手机永久无码国产av毛片| 国产精品免费看久久久无码| 久久久橹橹橹久久久久| 无码精品日韩中文字幕| 拍真实国产伦偷精品| 欧美日韩精品成人网视频| 国产亚洲精aa在线观看不卡| 最新精品国自产拍福利| 一本无码字幕在线少妇| 亚洲综合久久无码色噜噜赖水| 久久久人妻|