Sunnen MBB-1680-DMS Horizontal Hone | Power Stroke | 200-2500 RPM | 6.5" Cap.

Sunnen MBB-1680-DMS Precision Power Stroke Hone

High-Performance Bore Finishing | Serial No: 72406 (1970)

Overview

The Sunnen MBB-1680-DMS is the industry-standard solution for achieving extreme precision in horizontal honing. Combining the stability of a rigid cast-iron head with the efficiency of an integrated power stroking unit, this machine is engineered to correct bore errors such as taper, out-of-roundness, and bell-mouth with "millionths" accuracy.

Technical Specifications

• Honing Diameter (Manual Stroke): 0.060" – 6.500" (1.5 mm – 165 mm)
• Honing Diameter (Power Stroke): 0.060" – 3.750" (1.5 mm – 95 mm)
• Spindle Speeds: 12 steps ranging from 200 to 2,500 RPM
• Power Stroke Rate: Variable from 80 to 310 strokes per minute
• Maximum Workpiece Length: 10" (Open) / 16" (Blind Bore)
• Spindle Motor: 1 HP
• Power Stroker Motor: 1/2 HP
• Floor Space Required: 49" W x 72" D x 67" H
• Machine Weight: Approximately 1,160 lbs (526 kg)
• Electrical Configuration: Standard industrial voltage (verify at nameplate)

Key Features

• Dual-Functionality: Easily switch between manual stroking for delicate, one-off setups and power stroking for high-volume production consistency.
• Vibration Dampening: Heavy-duty cast iron construction ensures thermal stability and reduces vibration for superior surface finishes.
• Operator Comfort: The power stroking unit significantly reduces physical fatigue, allowing for more precise results over long shifts.
• Universal Tooling: Compatible with the full range of Sunnen K, L, and P series mandrels and stones.
• Sunnen PG-800-S Precision Hole Gage is Available for an additional $1800