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Hybrid Bore Finishing Machine

High Precision, Tight Tolerance, Low Cost Per Part- This single-step system, designed for high-volume production of hydraulic cartridge valves and servo valve bushings, can finish hundreds of thousands of bores annually- transforming rough bores into finished products more efficiently and with greater throughput.

This innovative machine tool combines the benefits of conventional multi-stroke honing and Engis’ single-pass technology. This Hybrid solution streamlines the workflow by integrating single-pass bore finishing with a multi-stroke honing process in a single machine, thereby reducing the number of steps required to achieve tight tolerances and high precision when finishing bored components. It also produces sharper, burr-free corners on cross holes and metering edges within the part. ® This new model’s custom multi-stroke head uses a set of expanding honing stones to semi-finish bores.

The programmable expansion amount is verified by a subsequent gauge station, allowing the machine controls to automatically compensate for tool wear. Additionally, this unique system incorporates a separate column with three single-pass spindles for the final finishing process. The components are loaded into part holding fixtures arranged around a rotary index productivity. table, maximizing

This setup allows all operations to occur simultaneously, producing a complete finished part with each cycle. Operators can load and unload the parts manually or use a custom robotic automation package.

Engis Hybrid Bore Honing Benefits:

  • Full CNC controls

  • Higher precision (bore size control within 1 micron)

  • Sharper corners on cross-holes and metering edges

  • Increased efficiency and production rates

  • Less manual intervention

  • Automatic gauging and size compensation of the roughing process

  • Reduced floor space requirement

  • Lower overall cost per piece

 

HYBRID SPECIFICATIONS

Parameter Specification
Machine Weight 2,222 kg (4,900 lb)
Required Air Pressure 70 PSI (4.8 bar)
Operating Voltage 200-240 VAC 20/60 Hz
Z-Axis Travel (Stroke Honing) 560 mm
Z-Axis Travel (Single Pass Cluster) 560 mm
Rapid Traverse Rate Max (Stroke Honing) 15,000 mm/min
Rapid Traverse Rate Max (Single Pass) 15,000 mm/min
Spindle RPM Range (Stroke Honing) 25 – 1,500 RPM
Spindle RPM Range (Single Pass Cluster) 25 – 1,500 RPM
Spindle Size (Stroke Honing) Integral ER32 Collet
Spindle Size (Single Pass Cluster) 1-1/16” ID ASA
Controller Mitsubishi C80 Series Controller

Info and details at 0726 654 551

Write an email: nrotaru@gmail.com

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