Recently, China National Heavy Duty Truck Group has developed three types of engine parts (oil cooler cover, front cover, intake pipe), and the product has entered the mass production stage. The bottom-end processing department of the parts manufacturing department continuously increased the development of Man's products and expanded new product categories, and strived to improve the product structure level of the processing department, increase the equipment utilization rate, and increase sales revenue.
Since the implementation of three kinds of aluminum engine aluminum development work, the processing department has attached great importance to seriously organize and participate in the pre-planning, machine tool selection, process preparation, tooling design and manufacturing, tool manufacturing, gauge preparation, CNC machine tool program preparation process. In early October, trial trials were started on three types of aluminum billets.
During the trial production process, the technical department made further improvements to the shortage of blanks and the deformation of the blanks. The first was to increase the blank allowance and reduce the occurrence of deformation; the second was to find that the positioning surface was not fully milled when the intake pipe was processed, and timely contacted the manufacturer to adjust the tooling. , The fixed positioning was changed to adjustable positioning, and the adjustment fully satisfied the processing positioning requirements. Third, two sets of tooling were duplicated and internal cold alloy drills were customized to reduce the cutting time. At the same time, the increase in the rigidity of the tool ensured the precision of the position of the machining hole and improved the product quality.
Sodium hydroxid,with the chemical formula NaOH, is commonly known as caustic soda. It is a strong alkali with strong corrosivity, generally in the form of flakes,pearls or lumps.Industrial grade Caustic Soda contains a small amount of sodium chloride and sodium carbonate, and is white translucent crystal.Its aqueous solution has an astringent and creamy feel.Sodium hydroxide is prone to deliquescent in the air, so solid sodium hydroxide is often used as a desiccant.It is very soluble in water and emits a lot of heat when dissolved. It`s also soluble in ethanol and glycerin.
Sodium hydroxide (NaOH) is extremely versatile. Used in the production of paper, soap, dyes, rayon, metal smelting, petroleum refining, cotton fabric finishing, coal tar product purification, and food processing, wood processing and machinery industries.
The product is a strongly alkaline substance which belong to 8 grade dangerous goods. with strongly irritating and corrosive, dust or smoke can irritate the eyes and respiratory tract, corrode the nasal septum, direct contact between the skin and eyes and NaOH can cause burns, and misuse can cause digestive tract burns, mucosal erosion, bleeding and shock.So it`s highly corrosive and requires the "corrosive item" mark.
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