|Name:||Customized Precision Casted Locking Cores|
|Material:||Zinc alloy, Zamak, Aluminium alloy, GP-ZNAL4CU1, ADC12, |
EN AC-46200 (46200-F, G-AISi8Cu3)
Zamak, Zinkdruckguss, ZP0410
|Needed Machines||die casting machine|
|Surface treatment:||deburr, ultrasonic cleaning, KTL, powder coating, oiling|
|Place of origin:||Dongguan, Guangdong, China (Mainland)|
|Lead time:||die casting samples in 20-30 days|
|Delivery:||UPS, DHL, TNT, FedEx; airway or oceanshipment|
Lock cylinder is a very demanding part. Because of the complexity of the internal structure, Sibai adopts die casting processing to achieve it.
Unlike CNC machining, which can achieve precise micron-level tolerances, die-casting can often only achieve a tolerance range of 0.01 to 0.05. If a workpiece requires a lot of functional sizes to ensure the tolerance range, it is a very high requirement and is challenging to achieve.
Sibai has made a series of this type of die-casting lock cylinder products. Based on the large quantity, we made the die-casting mold with 8 cavities. In order to distinguish the quality of each cavity, we marked every cavity with number. In this way, if some casted products fail, we can easily find out which cavity is worn and what the specific problem is.
The surface treatment for this series of lock cylinders is black KTL. The KTL-Beschichtung is Kathodische Tauchlackierung (German language). The KTL surface is to avoid corrosion and a good-looking appearance.
In order to meet the customer’s requirement, we were asked to make a date clock (Datumuhr) on the body of the workpiece to indicate the month and the year of the production batch. This is not difficult to achieve, as long as another set of molds we put into use. But it will increase processing steps.
The advantages of the die-casting process for such products are very clear.
First, compared with CNC machining, die casting achieves the interal structure complexity, but the processing of CNC machining is difficult to cut out the internal structure with non-spatial contact surface.
Second, the mass production cost of die casting is very low, and if by CNC machining, the processing time will be very long and high cost.
Third, the production efficiency of die casting is of high efficiency. By die-casting, factory can produce thousands of pieces in one day, while by CNC machining we have to produce every step in batches, which takes longer period to work out finished workpieces.
Fourth, if the die-casting production fails and the casted workpieces do not meet the requirements, the casted material can be recycled for the next die-casting production, so no raw material is wasted. While CNC machining is a cold cutting process. Once the processing fails, we need to buy a new bar or tube material for reprocessing.
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