Shuffle valve holes

Benefits

Straight holes with perfect tolerances.

The internal coolant and the C7 coating increase tool life and improve cutting data.

 

Machining process

 

Step 1: SC step drill

 

Step 1: Solid carbide step drill

Drawing no. 212851/999998, N = 5361 rpm, Fn = 0.18 mm/rev.

 

Step 2: SC reamer

 

Step 2: Solid carbide reamer

Drawing no. 252741/999998, N = 5456 rpm, Fn = 0.25 mm/rev.