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Billet Diameter And The Model Capacity of Aluminum Extrusion Press

Billet Diameter And The Model Capacity of Aluminum Extrusion Press
 
Billet Diameter And The Model Capacity of Aluminum Extrusion Press
 
Why some client use 1000MT press to extrude dia. 130mm billet? Some use 1000MT extrude dia. 120mm billet? Some use 700T press extrude dia. 90mm billet? ......
Standard 600T press, billet dia. is 90mm;
1000T press, billet dia. is 127mm;
1250T press, billet dia. is 130mm,
1450T press, billet dia. is 152mm..........
 That is depended on some factors.
1. The cross sectional drawing of aluminum profile, some drawing of product structure is simple and thick like 1~2mm, so it can use bigger diameter billet to extrude. Some drawing of aluminum profile is complicated and think or ultrathin like 0.25~0.8mm, so the billet diameter need to be smaller than standard. 
2. The press piston pump model and hydraulic system; As I wrote the pump model section and the thickness range of aluminum profiles. We will choose the suitable model of piston pump according to different kinds of aluminum profiles.
3. Main cylinder raw material; Now all of our press are adopted by forget steel, pure raw material to make sure the main cylinder can supply sufficient force for extrusion. If cast steel and extrude under high pressure, the main cylinder may damage easily. 
4. The extrusion die.The die design and raw material also are very importance.  
Because wall thickness of aluminum profile are thick, the aluminum profile extrusion will be easier than thin and ultrathin aluminum profile extrusion. Using a standard extrusion press to extrude standard billet diameter for special thickness aluminum profile, you may not get higher output and the extrusion speed will be very slow. That is why before we send quotation, we must ask enough questions. 
If you want to use bigger billet diameter by your old existing machine, we can help you to check following factors if can meet the extrusion:
1. What is the die diameter and height?
2. What is the outer diameter of extrusion container?
3. How many piston pump and what is their model at your extrusion press?
4. Please send me the cross sectional drawing of your aluminum profile which you want to produce by your bigger billet?
5. Main cylinder made by forged steel or cast steel?
6. What is the size of aluminum profile exit at the extrusion press?
7. What is the size of extrusion stem base (holder)?
According to the aluminum profile drawing, we will check the extrusion force, hydraulic force, the press pressure endurance capability and so on. If the pressure too high, it will damage the main cylinder. 

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