C & B Machinery - Global Disc Grinding Solutions


	Horizontal Double Disc CNC Reciprocator DG-2H-30/RE DG-2H-36/RE DG-2H-42/RE CNC ROTARY PLUNGE DG-2H-30/RP DG-2H-36/RP DG-2H-42/RP CONVENTIONAL ROTARY DG-2H-30/R DG-2H-36/R DG-2H-42/R CNC SWING ARM DG-2H-30/SA DG-2H-36/SA DG-2H-42/SA THRU-FEED DG-2H-30/TF DG-2H-36/TF DG-2H-42/TF WHEEL CHANGE CARTS

	CURRENT INVENTORY

Connecting Rod —
Non-Coplanar

C & B Grinding Applications

Machine Details
DG-2H-30/RE CNC Reciprocating Double Disc Grinding System

Automatic Robot Load/Unload
CNC Dressing System
Programmable Reciprocator Tooling System
Closed Loop Feedback Gauging System

Grinding Operation
Grind the crank end and pin end widths simultaneously to different widths.

Material:
Powdered Metal Forging

Hardness 32 Rc

Grinding Process Parameters
Size tolerance: +/- .021mm
Flatness: .05 mm
Parallelism: .05 mm
Symmetry: 0.3mm

Machine Acceptance Criteria
Parts per hour 200 @100 % capacity
Machine run-off spec: Ppk:1.67

Results
Size width: 4.35 Ppk
Flatness: 20.4 Ppk
Parallel: 22.6 Ppk
Symmetry: 11.9 Ppk

Additional Benefits: This creative approach eliminated an additional grinding operation, cutting capital investment in half. This machine can grind all (4) faces of a connecting rod to different heights simultaneously at production rates.