تیربار PKP Pecheneg

[M@hdi42]

http://gallery.military.ir/albums/userpics/PKP_%2853%29.jpg

گروهی از طراحان شرکت TSN11 توچ ماش ، برای بهسازی و افزایش دقت تیربار PKM و عمر خدمتی لوله آن و همچنین کاهش خطاها در هدفگیری آن به مرحله اجرا در آوردند.یکی از نتایج این تلاشها یک تیربار پیاده نظام کارآمد بنام پچنگ PECHENEG) )بود.

مشخصات تیربار پچنگ ( PECHENEG )

نوآوریهای بکار رفته در طراحی لوله این تیربار به همراه استفاده از روکش های جدید به افزایش استحکام و بهبود ویژگیهای خنک شوندگی ، افزایش مقاومت در برابر تأثیرات محیطی ، کاهش لرزشها و محافظت از خط هدفگیری در برابر تأثیرات ناشی از گرمای تولیدی انجامید.فاصله بین روکش و فضای بیرونی لوله ، دنده های عرضی و نصب پوکه پران در نزدیکی دهانه لوله ، به خنک شدن تدریجی آن توسط گرمای عبوری کمک می کرد.

حداکثر شلیک مداوم ممکن از تیربار پچنگ ( PECHENEG ) برابر حدود 600 تیر است . مکانیزم دستگیره آتش دارای یک صفحه منحنی شکل میباشد که به استحکام آن افزوده و از تأثیرات منفی گرمایی در هنگام شلیک می کاهد.دقت اسلحه در حالت خودکار از روی دو پایه 7/1 تا 9/1 برابر بالاتر از دقت PKM میباشد.افزایش عمر خدمتی لوله ، نیاز به حمل لوله های یدکی را کاهش می دهد، اما مکانیزم اتصال و جدا شدن لوله به گونه ای است که براحتی می توان لوله را تعویض نمود.

یکی از ویژگیهای قابل توجه تیربار پچنگ ( PECHENEG ) این است که حدود 80 درصد قطعات و اجزای آن با اجزای بکار رفته در PKM همسان هستند و این امر باعث تولید انبوه آن در سال 1999 و با صرف هزینه ای اندک در شرکت KMZ آغاز شد.

تیربار پچنگ ( PECHENEG ) در جریان درگیریهای شدید چچن توانست توانایی خود را به همگان ثابت کند.

مختصات فنی تیربار پچنگ ( PECHENEG )

کالیبر : R54 × 62/7 میلیمتر

وزن تیربار : 700/8 کیلوگرم

طول تیربار : 5/115 سانتیمتر

طول لوله : 8/65 سانتیمتر

سرعت دهانه : 825 متر بر ثانیه

نواخت تیر علمی : 650 تیر در دقیقه

نواخت تیر عملی : 250 تیر در دقیقه

برد هدفگیری : 1500 متر

گنجایش قطار فشنگ : 100 و 200 تیری


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مطلب برگرفته از : http://amoozeshnezam...m/post-193.aspx (http://amoozeshnezami.blogfa.com/post-193.aspx)


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