Rod Boring / Grinding RB1500
The Winona Van Norman RB1500 Rod Boring Machine is engineered to deliver the precision, rigidity, and repeatability required for professional connecting rod reconditioning. Designed specifically for resizing connecting rod big-end bores, the RB1500 restores proper bore diameter, alignment, and roundness after cap replacement or machining, ensuring optimal bearing fit, correct oil clearance, and long-lasting engine performance.
Built with heavy-duty construction for demanding applications, the RB1500 excels in servicing large diesel, marine, industrial, and high-performance connecting rods. Its rigid design and smooth, controlled boring action provide exceptional machining accuracy on oversized components while maintaining consistent results from one rod to the next. The machine’s precision cutting capabilities help eliminate bearing failures caused by out-of-round or misaligned bores, improving engine reliability and extending component life.
Designed for years of dependable operation, the Winona Van Norman RB1500 combines industrial durability with precision machining to maximize shop productivity and deliver the consistent, high-quality results professional engine rebuilders depend on for heavy-duty rod reconditioning.
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Product Information
Operations
Square for clamping connecting rods, centering device with dial gauge. In addition, a calibrating and tool setting device with a grinding wheel dresser and coolant system. Comes in a set of 8 tools with 12 grinding wheels for steel and 12 grinding wheels for cast iron.
Specifications
Features
Electronic variable speed drive for boring and gr inding
Set of no. 12 grinding wheels for steel and cast iron
Set of no. 8 tools
Set of no. 5 centering cones
Grinding wheel dresser
Expanding spindle for con-rods clamping
Boring spindle
Boring head
Grinding spidle
Standard Tooling
Features and Options
Spindle to Table Diameter:
Min. – Max. Boring Diameter:
Min. – Max. Grinding Diameter:
Min. – Max. Center to Center Capacity:
Spindle Rotation Speed:
Grinding Wheel Revolutions:
Feed Rate:
Grinding Movement:
Max. Rod Carriage Travel:
Boring Motor:
Table Motor:
Rotation Motor:
Revolution Motor:
Overall Dimensions:
Machine Weight:
Shipping Weight:
14.9″
0.6″ – 9.84″
1.18″ – 9.84″
6.3″ – 39.3″
0 – 1,200 RPM
80 – 160 RPM
0 – 6.5″ / minute
0.47 (12)
16.54″
2 HP
0.1 HP
1.4 HP
1.3 HP
71″ l x 36″ w x 94″ h
3,792 lbs.
4,100 lbs.