久久婷婷六月天婷婷,欧美日本日韩一区二区三区,黄色三级三级三级视频,国内精品丝袜福利视频

Welcome to Shenzhen Zhongyuan Plastic Co., Ltd!

News



Tel:(0755)27151698
Fax:(0755)27150611
Mailbox:szzyzcl@163.com / szzy@szzy99.com
Add:Building A1 and A2, No.1 Industrial Zone, yuliu property company, Gongming town, Bao'an District, Shenzhen
Industry information

當(dāng)前位置:

首頁 News Industry information
  • Precautions for mold processing of precision injection molded parts

    Precautions for mold processing of precision injection molded parts

    2024-04-29

    The mold processing of precision injection molded parts involves many processing procedures, and the quality of each process aff……

    MORE
  • Deep hole drilling of die processing technology

    Deep hole drilling of die processing technology

    2024-04-29

    The manufacturing process of deep hole drilling is widely used in the processing of injection molds. This method requires a spec……

    MORE
  • Design essentials of injection molding parts

    Design essentials of injection molding parts

    2024-04-09

    In the process of injection molding, due to the uneven cooling and shrinkage of plastic in the mold cavity and the unreasonable ……

    MORE
  • Influence of injection molding part design on mold processing

    Influence of injection molding part design on mold processing

    2024-04-09

    1. Good product structure (1) product design should try to avoid unnecessary side concave and the use of mold core pulling mecha……

    MORE
  • Key points to master in plastic shell injection molding process

    Key points to master in plastic shell injection molding process

    2024-03-27

    Plastic shell, as the name suggests, is a shell product made of plastic materials. Such products generally need injection moldin……

    MORE
  • Preparation before injection molding

    Preparation before injection molding

    2024-01-24

    Injection molding production is the last step of molding injection molded parts. Before injection molding processing and product……

    MORE
  • Six modification trends of plastic household appliance shell

    Six modification trends of plastic household appliance shell

    2024-01-24

    At present, there are six trends of modified plastics for household appliances. It mainly includes: brighter appearance color \ ……

    MORE
  • 醫(yī)療器械外殼的挑選方法

    醫(yī)療器械外殼的挑選方法

    2024-01-03

    1、外觀和用料 外觀和用料是一個(gè)醫(yī)療器械外殼的基本上的特點(diǎn),外觀直接決定了一個(gè)外殼能不能被客戶接受的首要標(biāo)準(zhǔn),所以現(xiàn)階段的外觀也逐漸偏重多樣化發(fā)展趨勢(shì),因而在我們的測(cè)試中也占有一定的比重。用料關(guān)鍵取決于醫(yī)療器械外殼廠家選用的材料,醫(yī)療器械外殼的邊緣是否經(jīng)過打卷處理,材料的好壞也會(huì)影響到防電磁輻射性能。 ……

    MORE
  • 塑膠外殼開模震動(dòng)的解決方法

    塑膠外殼開模震動(dòng)的解決方法

    2023-12-27

    塑膠外殼注塑成型的解鎖模具很容易產(chǎn)生振動(dòng),對(duì)機(jī)器的壽命和穩(wěn)定性影響很大。因此,在調(diào)整塑膠外殼解鎖模具的時(shí)候,請(qǐng)注意以下的事項(xiàng):慢速開啟速度是模具的啟動(dòng)速度,所以速度低于中速,一般使用慢速中壓。因?yàn)槟0逶阪i緊的過程中有一定的變形產(chǎn)生夾緊力,所以啟動(dòng)壓力可以適當(dāng)高一些,一般在50%左右。慢位看型號(hào)而定,一般在塑膠外殼的模具……

    MORE
  • Solution to lack of glue in plastic shell

    Solution to lack of glue in plastic shell

    2023-11-29

    Lack of glue, also known as insufficient filling, is one of the common problems in the process of injection molding. The injecti……

    MORE
  • Influence of color unevenness in injection molding

    Influence of color unevenness in injection molding

    2023-11-29

    In the process of injection molding, some carelessness will often cause defects in plastic products, which will affect the effic……

    MORE
  • Process flow of plastic shell for power supply

    Process flow of plastic shell for power supply

    2023-11-01

    In fact, the common processing of the power supply plastic shell mainly includes the female mold with variable cavity composed o……

    MORE
« 4 5 6 7 8 9 10 11 12 »
Copyright: Shenzhen Zhongyuan Plastic Co., Ltd. | mold processing customized manufacturer. If you want to know the processing price of the factory, how much is it, and which is good, please contact us Yue ICP Bei No. 17060480
欧美黄色三级成人小视频| 欧美日韩国产欧美| 久久精品欧美精品免费观看| 一区二区三区国产l精品欧美| av黄色资源在线观看| 三级成人国产高清视频| 日本最新免费不卡一区二区三区| 日韩激情精品久久久一区二区| 91video国产一区| 精品一区二区av天堂色偷偷| 夜色成人免费观看| 国产熟女露脸普通话对白| 老司机精品免费在线视频| 影音先锋天堂网亚洲无码| 爆乳喷奶水无码正在播放| 真人作爱免费视频| 波多野结衣浴尿解禁在线| 黄色av成年人在线观看| 日本高清不卡一区二区三区| 亚洲人成在线不卡网| 国产精品亚洲一区二区三区极品| 中日美女毛5片一区二区三区| 久久久中文字幕在线视频| 欧美亚洲综合一区二区三区| 你懂的在线中文字幕一区| 留学生美女被大黑屌猛戳| 黑人与日本人妻中文字幕| 热精品韩国毛久久久久久| 被春药女高潮抽搐喷水视频| 国产免费无码一区二区视频无码| 骚逼嫩鸡巴喷水视频| 亚洲日韩不卡一区二区三区| 国产日韩精品v一区二区| 熟妇女人妻丰满中文字幕| 日韩视频在线网页| 一区二区国产精品免费视频| 777米奇在线视频无码| 少妇勾搭外卖员在线观看| 国产乱理伦片在线观看夜| 大屌把女生逼逼操肿国产| 美女逼男逼小穴小骚下载|