China National Heavy Duty Truck Revamps Gold Prince's Front Axle Assembly Line Prepares for New Light Truck Listing


According to the deployment of China National Heavy Duty Truck to the new light truck project, in order to meet the assembly requirements of the heavy-duty truck front axle assembly, the China National Heavy Duty Truck Zero Processing Department has transformed the original Golden Prince front axle assembly line and redesigned the rebuilt assembly line. Under the premise of meeting the assembly process requirements for the assembly of the 2.2T and 2.8T light truck front axle assembly, taking into account the function of assembling other front axles and trailer axles, the first-line multi-use is achieved, and the assembly production capacity of multi-variety axle products is greatly improved. The equipment manufacturing cost is saved, and the site area is reduced.

At the same time, the bottom zero processing department of China National Heavy Duty Truck Parts Manufacturing Co., Ltd. also produced and completed the “Light Chuck Front Axle Assembly Maintenance Manual”, which provides necessary information for the needs of after-sales service after the light truck is listed.

China National Heavy Duty Truck "Light Chuck Front Axle Assembly Maintenance Manual" mainly covers light chuck front axle assembly details, light chuck front axle assembly parts identification atlas, light chuck front axle maintenance manual , Light chuck type front axle assembly fault code, light chuck type front axle assembly disassembly and installation time, light chuck type front axle assembly wearable part name, light chuck type front axle assembly and disassembly video explanation disc, etc.

Investment casting technical flow process

Investment casting technical flow process

The silica sol casting process also called precision investment casting process. It is a less cutting or no cutting casting process. It is an excellent technique in foundry industry. Its application is very extensive. It not only applicable to various types, various kinds of alloy and casting, and produce the casting dimension accuracy and surface quality is higher than other casting method, Even other casting method can not do the complex, high temperature resistant, not easy machining castings, all can be used for investment precision casting process.

The investment casting process, it is a process that use fusible materials make soluble model, and coated with several layers of tailor-made refractory coating on the surface, after drying and hardening become a whole shell, melt the shell model by steam or hot water. Then put the shells in the sand, filling dry sand in all round and modeling. Finally roasting it based on high-temperature in the furnace, the shell after roasting, and getting the casting part after pouring molten metal.

The investment casting process can produce High precision dimensional parts, generally can reach to CT4-6(sand casting is CT10-13, die casting is CT5-7). Due to the complexity of investment casting process, there are many factors influencing the casting dimension accuracy. Such as shrinkage of mold material, deformation of the casting, Shell heating and cooling line quantity change in the process, alloy shrinkage and deformation of castings in the solidification process. The surface finish of investment castings is higher than the ordinary casting, can reach to Ra1.6~3.2.

The greatest advantages of investment casting is casting parts have high dimensional accuracy and surface finish, so it can reduce the mechanical processing. The another advantage of investment casting method is that it can cast all kinds of alloy and complex casting part, special casting high temperature alloy casting part.

The precision of the Steel Casting Part: ±0.15mm~

Smoothness of surface of rough part: Ra6.4;

Shrinkage rate of steel investment casting products: 0.6%;

Material wastage rate: 5%;

General stainless steel casting part machining allowance: 0.7mm;

Surface preparation methods: Sand blasted, Shot blasting, Powder coating, Painting, Plating, Electrophoresis, Polishing.

Our company's production equipment and management system

CNC machining center: 8 sets AIGEMA A-8;

CNC lathe machine: 6 Guangzhou Machines and 7 Shenyang Machines;

Work days of one week: From Monday to Saturday;

Shift work: 2 shift per day;

Working hours: From AM 8:00 to PM 5:00;

2D and 3D drawing Software: AutoCAD, UG, Pro/E, SolidWorks 2013;

QC control: New type NANO CMM, FPI M5000 desktop metal analyzer, Easson projector, Mechanical properties tester.

The steel casting process and machining equipment:

The steel casting process and machining equipment



Steel Casting Part

Stainless Steel Lost Wax Casting, Steel Casting Part, Steel Investment Casting Part, Steel Silica Sol Casting Part

NINGBO BEILUN LEMA MACHINERY TECHNOLOGY CO.,LTD , http://www.china-lema.com