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On the surface of aluminum die-casting shot blasting

For when the track turn, lead hollow cavity of the workpiece roll, so part of the inner and outer surfaces can get a better cleaning effect. The kinds of models divided into manual and automatic loading and unloading methods, the most suitable for large quantities of small parts of shot blasting. As a result of rubber track, thereby reducing the workpiece and track the impact and scratches, and small footprint, the operation is extremely easy to use for many manufacturers. At present, the model has Q326C,[link widoczny dla zalogowanych], QR3210, etc. 3.5 hanging chain step / continuous shot blasting as a piece of the pendant chain bearing device. Hoisting chain can be continuous or step-working, hook lifting 300kg and 500kg in the majority. Its working principle is to place the workpiece on the number of hooks, hook turn into the shot blast cleaning rooms, cleaning the workpiece rotation device in the hook under the rotation. Clean up and remove the good parts out of the room,[link widoczny dla zalogowanych], then clean the workpiece to be loaded. In cycles. As a result of the hanging chain models as a delivery device, it can be with the casting and Industry, cleaning and Industry, repair and Industry,[link widoczny dla zalogowanych], and Industry and other detection and Industry and spraying into the line using the most suitable for medium and large batch production of parts. At present, the model has ZJ438, ZJ485, ZJ583, ZJ585 and so on. 4 pieces aluminum projectiles used by the rejection of the projectile shot blasting are generally three types: aluminum balls, stainless steel and special alloy steel pill pills. 4.1, pills are commonly used spherical aluminum alloy aluminum wire cut off the pills and pills, the size +0.4 ~ 1,2 ITim more. Its advantages are: the same material and the workpiece, the workpiece without any pollution, from start to finish to get a good surface roughness and brightness. The disadvantages are: aluminum pill cleaning, the resulting aluminum are more prone to dust. Therefore rarely used in Western European countries, the domestic use of units are few. 4.2 stainless steel balls used in the import and domestic spherical stainless steel ball stainless steel cut wire off pills. Its advantages are: the kind of big balls of aluminum steel shot density than 2 times the speed appropriate to reduce the shot can therefore achieve the desired cleaning effect on the work piece from beginning to end without any pollution, life is much higher than the aluminum pill. The disadvantages are: the price is very expensive, the price of imports of stainless steel spherical balls generally experience from 6 to 733 --- set special severance and non-ferrous alloy casting 1 1998 iron production using cold process method zL1o8 aluminum pistons under the general machinery of Changde z Factory Wu Dajun-_ _ ● 7O feet of a 0x to solve this problem, we have taken as shown in Figure 1, Figure 2 shows the process method, based on the shape of the wet type, according to the principle of solidification in the zero ring a special-made technology simple One letter of every process Fig1CastingtechnologysampleChill Portugal Wai Kan Xu 2, II F. zCsst (~ gtechnology Hey curse pIeI important pieces placed face and machined surface of cold iron, so that the casting produced. fine grain, compact structure, good mechanical properties, high rate of qualified products, you can achieve the effect of the metal casting kinds of process methods, input costs low, cold iron long life, high utilization, significant economic benefits. in the use of aluminum pistons cold iron production process methods, it is also important to note the following. (1) outside the iron and the die interface carry to be waxed. to prevent excessive chilling cold iron cold shut production, porosity and other defects; (2) annular chill curve I and the die interface must match to prevent the casting deformation. (3) the middle child I have to apply the cold core sand. in order to smooth the core back. (Editor: Chen Wei-Chen) Wu Taijun t M, 30 years old. engineers, Changde Wu South (415135) Received; 19g7-1O of a 22 million yuan / t, can not afford to general manufacturers use 4.3. This special round gold pill Shot Casting Machinery Co., Ltd. by the China Youth Development. is a kind of chromium, manganese, molybdenum, nickel-based alloy spherical steel shot, size from 0.3 ~ 1.5mm. The advantage is: steel balls stainless steel balls with some characteristics of high hardness and strength, not easily broken and rusty, long life,[link widoczny dla zalogowanych], low prices. normal use cleaning effect can be comparable with the stainless steel balls for many domestic manufacturers are therefore used. The disadvantages are: to be annealed such Taijin Shot after annealing the surface with a thin layer of oxide, just use, cleaned aluminum surface gloss of 34 dim. but with a few hours later, you can fall off the surface oxide later started using the best result, it is best carried out on aluminum scrap shot blasting, and then pass pieces of aluminum parts for blast cleaning blast cleaning is to improve the surface quality of parts is one of the most effective way to . It's unique technological features will be further promotion and application, and with the die-casting technology, suitable for Taiwan,[link widoczny dla zalogowanych], in particular the performance of complex aluminum castings special blast cleaning equipment cleaning also been introduced accordingly. (shrink Series: Yuan Zhenguo)

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