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About Us
About UsRAM CNC Machine Tool Manufacturing (Shandong) Co., Ltd. is an innovative joint-stock enterprise integrating technology research and development, processing and manufacturing and trade services. It is a professional manuf -
Products
ProductsRAM CNC Machine Tool Manufacturing (Shandong) Co., Ltd. is an innovative joint-stock enterprise integrating technology research and development, processing and manufacturing and trade services. It is a professional manuf
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BlogRAM CNC Machine Tool Manufacturing (Shandong) Co., Ltd. is an innovative joint-stock enterprise integrating technology research and development, processing and manufacturing and trade services. It is a professional manuf
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20
2025-03
17
2025-02
Today's highlight: Brazilian customers visited our company
Today, our company was fortunate to welcome distinguished customers from Brazil. Our general manager, Mr. Li, personally received the customers and led them to visit our factory. During the reception, Mr. Li first introduced the development history, corporate culture and our valuable partners to the customers in detail. Through these introductions, the customers had a clearer understanding of our operating model and business scope.
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26
2024-11
Similar events are happening in different corners of the world. Users from Brazil and Shanxi arrived at Rui An Mu Company on the same day and witnessed the acceptance process of CK5116 CNC single-column vertical lathe and VTL1000 vertical turning and grinding processing center. This is not only a product acceptance, but also an affirmation of technology and craftsmanship, and an expectation for future cooperation.
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18
2024-07
Warm congratulations on the successful opening ceremony of "Luoyang Haozhi Machinery Co., Ltd."
Warm congratulations to Luoyang Haozhi Machinery Co., Ltd. on the successful opening ceremony
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20
2024-03
Our company will participate in the 13th China CNC Machine Tool Exhibition
You are cordially invited to come
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26
2024-02
The cutting performance of metal includes: ① fluidity, the ability of liquid metal to fill the mold; ② shrinkage tendency, large volume shrinkage from liquid to solid, easy to produce defects such as shrinkage cavity, and large linear dimensional shrinkage, which affects the final dimensional accuracy of castings; ③ hot cracking tendency, some metals and alloys are prone to cracks and segregation tendency in the cutting process.
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26
2024-02
Mold (liquid metal into a solid casting container) preparation, mold according to the materials used can be divided into sand, metal, ceramic, mud, graphite, etc., according to the number of use can be divided into one-time, semi-permanent and permanent, mold preparation is the main factor affecting the quality of castings
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26
2024-02
Uniform wall thickness, and 3~4mm thin-walled castings are appropriate
High pressure cutting Because the molten metal in the process of filling the cavity under high pressure and high speed, the air in the cavity will inevitably be clamped inside the casting to form subcutaneous pores, so aluminum alloy die castings should not be heat treated, and zinc alloy die castings should not be sprayed on the surface (but can be painted). Otherwise, the internal pores of the casting will be thermally expanded when heated as described above, resulting in deformation or bubbling of the casting.
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