成 人 A V免费视频在线观看_美女视频黄的全免费视频网站_亚洲字幕成人中文在线电影网_少妇厨房愉情理9仑片视频下载,日本一区不卡视频,一区二区三区四区国产精品,麻豆精品成人免费国产片,国产日批视频,亚洲AV无码专区一级婬片毛片 ,夜夜欢天天干,天天爽夜夜爽夜夜爽精品视频,天天干天天日,精品久久人人爽天天玩人人妻, 91人妻人人澡人人爽人人精品 ,四川少妇搡BBW搡BBBB,少妇厨房愉情理伦BD在线观看,无套内谢的新婚少妇国语播放,少妇AAA级久久久无码精品片,丰满少妇被猛烈高清播放,熟妇女人妻丰满少妇中文字幕,东北少妇不戴套对白第一次,四川少妇BBW搡BBBB槡BBBB,少妇荡乳情欲办公室456视频

TOP
Category
五行機(jī)械
WeChat
Automatic shooting core machine
The white dynamic core shooter uses coated sand to make cores and is suitable for hot core boxes.The feature of the core shooter is that four guide pillars are used to install the upper and lower mold bases. The upper and lower molds are respectively installed on the upper and lower mold bases. The positioning is precise , then opening and closing molds are divided horizontally, and the material is convenient to take out . It is also equipped with core pulling , which is suitable for the production of complex products. The core shooter is widely used in the foundry industry. The cores made by the core shooter are accurate in size and smooth in surface. The woriing priciple of the core shooter is to inject the core sand mixture with solid thermosetting resin as the binder into the heated core box,and the sand core is preheated in the core box and quickly hardens to a certain thickness .It is taken out to form a finished hig-quality sand core with a smooth surface and precise dimensions.
<< < 1 > >>




衡阳县| 郓城县| 库尔勒市| 讷河市| 读书| 泗水县| 甘德县| 嘉善县| 新田县| 时尚| 金堂县| 奈曼旗| 城口县| 班戈县| 遵义市| 江西省| 龙泉市| 广饶县| 沁源县| 长武县| 石城县| 泾源县| 武隆县| 静海县| 峡江县| 灵台县| 清镇市| 长泰县| 萝北县| 安塞县| 宁海县| 灵丘县| 鹿邑县| 泊头市| 宁津县| 绵阳市| 奉节县| 禄丰县| 门源| 香港| 商洛市|