INTERNAL RECESSING UNIT

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The Internal Recessing Unit (or IRU, for short) is the most advanced and innovative cutting tool that Elliott Tool Technologies manufactures. The IRU is the preferred tool for machining metering lands by OEMs and Tier 1 suppliers of hydraulic control valves throughout the world.

What makes the IRU so unique is its ability to machine multiple grooves and lands simultaneously, quickly, and accurately. It eliminates the slow and unreliable processes of circular interpolation or circular milling of internal features such as grooves, chamfers, lands and faces.

The IRU not only reduces cycle time, but also produces internal features more accurately with better surface finishes and with no burrs, significantly lowering manufacturing costs. If you have a question or are wondering if your application would be a good fit for internal recessing use the “contact us” button below!

INTERNAL RECESSING ADVANTAGES

REPEATABLE & ACCURATE

EASY-TO-USE

Simple to set up and use!
There are only two settings required on the Elliott IRU: Positional location (using the tool’s adjustable stop collar) Groove diameter (Manual machine – adjust limiting nut; CNC/power fed machine – programmed).
Can be used on CNC machining centers, special machines, transfer machines and drill presses.

ELIMINATES DEFLECTION & CHATTER

ECONOMICAL & EFFICIENT

IRU APPLICATIONS & CASE STUDIES

Case Study: IRU (Internal Recessing) in Cast Aluminum

SUMMARY OF RESULTS Productivity Gain: 1000% Machining Time Reduction: 270 seconds to 27 seconds Yearly Cost Savings: $29,160 2.3 Months ROI THE CHALLENGE A manufacturer

IRU internal recessing unit on machine spindle

Case Study: IRU Hydraulic Valve Bodies

SUMMARY OF RESULTS Time Savings: 8000% Machining Time Reduction: 19 minutes to 15 seconds THE CHALLENGE One of our customers was manufacturing hydraulic valve bodies

IRU COMPONENTS & OPERATING PROCEDURE

1. Location Pilot (OD ground to suit component bore)

2. Cutter (Replaceable on carrier arm)

3. Adjustment Stop Collar (Actuate IRU with adjustable length of up to .780”)

4. Operating Head Assembly

5. Limiting Nut (To set cutting diameter – manual operation only)

1) The recess system feeds into the work-piece with the pilot locating within the component bore.

2) The operating head or optional nose piece makes contact with either the component face or a fixture plate.

3) While feeding forward, the system is actuated, lifting the cutter exactly perpendicular to the axis of rotation at a 2:1 ratio.

4) This machines all features simultaneously, with perfect concentricity.

Radial cut depth can be controlled by the limiting nut bottoming out or by the CNC program controlling the tool’s feed-depth.

TECHNICAL REFERENCE AND DOWNLOADS

IRU Brochure Includes tool settings, feeds/speeds, materials and operating procedure.

IRU Assembly Instructions

IRU Tool Wear Inspection Guide

VIDEO RESOURCES

READY TO DISCUSS YOUR APPLICATION WITH OUR EXPERTS?

PRECISION METAL FINISHING

HIGH PERFORMANCE CUTTING

SERVICES

RESOURCES

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MONAGHAN TOOLING GROUP

30 N. Clinton Street
Dayton, Ohio 45402
Toll-Free: 1.800.732.4565
Phone: 937.253.7706
Fax: 937.723.7702