عرض مشاركة واحدة
  #71  
قديم 12-09-2012, 11:29 PM
الصورة الرمزية محمد سامي حمزة
محمد سامي حمزة محمد سامي حمزة غير متواجد حالياً
التخصص العملى: مندوب مبيعات بشركة راضي لمعدات خدمة السيارات
 
تاريخ التسجيل: Dec 2009
الموقع: الجيزة
المشاركات: 12
محمد سامي حمزة is on a distinguished road
افتراضي رد: دراسة لمشروع صيانة سيارات - ارائكم و اقتراحاتكم و دعواتكم


المشاركة الأصلية كتبت بواسطة cars admire مشاهدة المشاركة

cars valve grinding tools





Valve Refacing & Seating Tools
WT-2090 Valve Refacing & Seating Tools


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</TD><TD style="WIDTH: auto !important" class="InfoArea AlignTop" isFocused="false">WT-2090 Valve Refacing & Seating Tools




Precision machined tungsten carbide blades produce Valve Seats with:
  • Accurate Seat Angle
  • Superior Seat Surface
  • True, Flat Seal
  • Seats concentric with valve Guide
Available in a wide range of cutter diameters and angles

Content:
  • Cutter 52 - 65mm / 60° - 75°
  • Cutter 46 - 60mm / 45° - 30°
  • Cutter 44 - 52mm / 75° - 30°
  • Cutter 37 - 46mm / 68° - 45°
  • Cutter 37 - 44mm / 75° - 30°
  • Cutter 28 - 35mm / 75° - 45°
  • 5 pcs expandable pilot 5.5mm- 12.5mm
  • T wrench handle

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I have found that on the inlet side on many heads that the inlet flow is best when the angles are left sharp, not radiused. And yes, a micro boring tool is quicker than grinding and would be ideal.

I hope this gives some ideas to think about,it.



<DL class=attachbox><DL class=file><DT class=attach-image> <DD>if you do the 45 deg contact face first the top cut will often go right thru it as shown; it helps sometimes to do the top cut first. <DD>Forming a 20 deg top cut with a Neway cutter. </DD></DL><DD><DL class=file><DD>TC std valve angle at left and with back grind, right.jpg<DD></DD></DL><DD></DD></DL>
  • Removes many balancers, steering wheels, pulleys, and gears with tapped holes
  • 4 slots in yolk for 2 or 3 hole applications
  • Includes: 3/8 In. x 24 In., 5/16 In. x 18 In., 3/8 In. x 16 In., M8 - 1.25 x 80 mm bolts
  • Heat treated pressure tips for damage free shaft ends
السلام عليكم ورحمة الله وبركاتة
محمد سامي اعمل في شركة كبري لتوريد وتركيب المعدات الايطالية من روافع ومعدات لزوم مراكز الخدمة وان امكن الاتصال لمزيد من المعلومات.
محمد سامي/01099920402
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