Case Study
PCD Step Reamer for Cylinder Head Machining
Note: This is a representative engineering case template. Replace the numbers with verified customer data before publishing as a real case.
Customer Challenge
Improve bore stability, surface finish and tool life while reducing cost per hole.
Workpiece
Cylinder head stepped bore
Material
Aluminum cylinder head alloy
Existing Tool
Two separate carbide tools
Hole Specification
Step bore with chamfer, H7 finish
Machine
Transfer line
Coolant
Internal coolant
Cutting Parameters
Vc 500 m/min, f 0.16 mm/rev
XRZ PCD Reamer
XRZ PCD step reamer
Tool Life
Before 3,500 holes; target after 20,000 holes
Cycle Time
One tool instead of two
Surface Finish
Ra target 0.25-0.5 um
Cost Per Hole
Target reduction 30-50%
Final Result
Representative template, replace with verified shop-floor data.