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国内为该铸造工艺制造浇铸砂型的造型机主要有以下几种

网址:www.zaoxingji.com.cn  2021-06-21  作者:admin    阅读:

国内为该铸造工艺制造浇铸砂型的造型机主要有以下几种:
There are mainly the following types of molding machines for the casting sand mold in China
1、震实式造型机
1. Vibrating molding machine
此种造型机工作原理是砂箱和模样固定在造型机的工作台上﹐利用工作台下落时与砧座撞击面的相撞﹑砂粒的惯性来紧实砂型。这种造型机的优点是设备造价低,操作简单。缺点是砂型上下紧实度不均匀,尤其上部紧实度不足,噪声严重,工人劳动强度大,生产效率低下,环境污染严重,对厂房基础冲击较大。该机已经逐步被微震压实造型机所代替。
The working principle of this molding machine is that the sand box and pattern are fixed on the working table of the molding machine, and the sand mold is compacted by the collision between the table and the anvil impact surface and the inertia of sand particles. The advantages of this molding machine are low cost and simple operation. The disadvantages are that the compactness of sand mold is uneven, especially the compactness of the upper part is insufficient, the noise is serious, the labor intensity of workers is high, the production efficiency is low, and the environmental pollution is serious, which has a great impact on the foundation of the workshop. This machine has been gradually replaced by micro shock compaction molding machine.
2、震压式造型机
2. Shock compression molding machine
该机的工作原理是对震实的砂型再进行压实,可以获得上下部紧实的砂型。常用的是微震压实式造型机(微震压实式造型机 )是利用工作台下落与浮动的震铁相撞,微震紧实型砂,再进行压实。微震是以较高频率(500~1000次/分),小振幅(5~25毫米)的振动代替震实式造型机的低频率 (60~120次/分)﹑大振幅的振动。这种造型机的优点是设备造价低,操作简单,所造砂型紧实度基本均匀,对厂房基础要求也较低。缺点是噪声严重,工人劳动强检查井钢模具 隔离墩模具 隔离墩钢模具 流水槽模具 U型槽模具 螺杆启闭机 卷扬式启闭机 铜雕佛像 度大,生产效率低下,环境污染较严重。
The working principle of the machine is to compact the sand mold which is vibrated and compacted again, so that the upper and lower compact sand mold can be obtained. Commonly used is the micro shock compaction molding machine (micro shock compaction molding machine), which uses the falling of the working table to collide with the floating vibrating iron to compact the molding sand with micro vibration, and then compact it. Microseism is a kind of vibration with high frequency (500-1000 times / min) and small amplitude (5-25 mm) instead of low-frequency (60-120 times / min) and large amplitude vibration of compaction molding machine. The advantages of this molding machine are low equipment cost, simple operation, the compactness of the sand mold is basically uniform, and the requirements for plant foundation are low. The disadvantages are serious noise, high labor intensity, low production efficiency and serious environmental pollution.

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