??? ?????? L/D? ?? ??? ??? ????
????, ????, ????, ???????, ???? ??? ??? ??? ??
???? ? ?? ???.
?? ??? ????? ???? ??? ?? ?? ??? ???? ??? ??
?????, ??? ????? ??? ???? ??? ?? ?? ????.
??? ??? ??? ???? ????? ?? ????? ???? ??? ???
?????.
Barrel Feature & Usage
? ? | ? ? | ? ? |
---|---|---|
Feed Barrel
(????) |
???? ???? ??? |
????? ?? |
Closed Barrel
(????) |
????? | ???? ?????? ?????? |
Vent Barrel
(????) |
???? ?? ??? |
??, ??????? ??????? ????? ???? ?? |
Side Feed Barrel
(???????) |
??? ??? ????? ???? ?? ?/?? ???? ????? ?? |
???? 1,2,3 ? ?? ?? ?? ???? |
Plate Barrel
(Injection Type) (??????) |
??? ??????? (?? ??) |
??????? ??? ??? |
Specification
Code | Material | Protection | Hardeness | Temp ( MAX. ) |
Protect against | Material | |
---|---|---|---|---|---|---|---|
Abrasion | Corrosion | ||||||
Very high <-- | --> Very high | ||||||
SM 010 | Nitrided steel | Normal Abrasion | 750 ~ 850 Hv | 450 ℃ | Nitrieded | ||
SM 077 | Hi-Chrome base Steel | Abrasion + | 61 ~ 63 HRc | 450 ℃ | Cr base | ||
SM 800V | Powder metal | Abrasion ++ | 62 ~ 64 HRc | 450 ℃ | V base | ||
SM 815V | Powder metal | Ultra Abrasion | 62 ~ 64 HRc | 450 ℃ | V base | ||
SM 260X | Powder metal ( HIP ) | Abrasion + Corrosion | 60 ~ 62 HRc | 450 ℃ | V-Cr series | ||
SM 800X | Bi- metal ( Xaloy ) | Abrasion + Corrosion | 60 ~ 62 HRc | 450 ℃ | W-Ni serie |