Okamoto Precision Internal Grinding Machine Model IGM-2MB with MDI Control, Automatic Cycle, Automatic Dressing with Dress Compensation and Wheel Wear Compensation

Okamoto Precision Internal Grinding Machine ----------------------------------- Model IGM-2MB
with MDI Control, Automatic Cycle, Automatic Dressing with Dress Compensation and
Wheel Wear Compensation----------------- Internal Diameter to be ground is 8.0”

Standard Accessories
• Teach-Input Positioning System • Manual Pulse Generator
• Okamoto User Friendly MDI Control • Servo Driven Workhead
• Servo Driven Wheelhead • Air Actuator for power chuck
• Minimum Increment 0.00001” (DIA) Std. • Spindle oil mist lubrication system
• High Speed Table Reciprocation • Dressing Device w/Diamond
• Table Stroke Fine Adjust (Increment: 0.020”) • Through Spindle Coolant
• Coolant Nozzle at the Wheelhead • Leveling Bolts with Plates
• Table position indicator
• Color LCD Monitor • Continuous and Intermittent Feed
• Table enclosure with door interlock • Necessary Tools with Toolbox
• Chuck Guard • Instruction Manual & Inspection Report

Machine Features
• Table Positioning System ... saves set-up time and boosts productivity. Operator simply moves the table manually to the six positions shown below, presses a position in put key at each position and the LSI Control remembers these locations.

• User Friendly MDI Control ... The MDI Controller is made by Okamoto and uses a unique Micro Processor control system that promotes Fast Easy Set-Up. Rough, Medium Grind, Dress and Fine Grind in one set-up.
• Up to Ten Automatic Dress Cycles ... per part with Automatic Dress Compensation and Wheel Wear Compensation.
• The Wheelhead features Rigid Unit Type Spindles ... AC Stepping Motor coupled to a Ball Screw for Dressing, 0.00001” (Dia.) Minimum Increment, and Linear Motion Guideways for Smooth Operation and Accuracy.
• Workhead is of Cast Iron Construction ... and Features an AC Servo Motor coupled to a Ball Screw with

• Table is of Cast Iron Construction and adopted Linear Slide Way system ... is Driven by Ball Screw achieved for Table Speed from 20 to 600 IPM and Very precise Table Positions, especially effect for blind hole workpiece.
• MDI Controls ... Facilitate Set-Up and Editing Functions, High Speed Table Shortens Positioning Cycle Time and High Speed Table Reciprocation Reduces Grinding Cycle Time. The Okamoto IGM-2M Internal Grinder is Ideal for Low to High Production of ONE (1) Diameter Grind Applications.
• 36-Cycle Memory ... 36 grinding cycles can be store together with grinding condition which selected manual switch for that process.
• COLOR LCD MONITOR ... User friendly Data input screen at Main operation monitor
• NUMEROUS FUNCTION ... Set two different table speed for Coarse grinding & Fine grinding, Intermittent infeed can be selectable for Right end, Left end or Both ends.
• SAFETY & MIST CONTROL ... Table Full enclosure with Door interlock system.
 
Machine Specifications IGM-2MB

Capacity:
Internal Grinding Range 0.24 - 8.0 inch Diameter
Grinding Stroke 0.00 - 8.0 inch
Swing Inside the Chuck Cover 14.0 inch
Swing Over the Table 24.0 inch
Table:
Maximum Travel 20.0 inch
Table Speed 20 - 800 IPM
High Speed Short Stroke 500 Reciprocations/min. (0.08” Stroke)
Workhead:
Spindle Speed 50 - 1200 RPM
Swivel Angle -5 - +15
Maximum Crossfeed Travel 9.4 inch
Minimum Incremental Infeed 0.00001 inch (0.00003 inch/option)
Automatic Feed Rate
Rough & Medium (Intermittent) 0 - .0040 inch (12 Selections)
Rough & Medium (Continuous) 0 - 0.1600 inch/min. (12 Selections)
Fine (Intermittent) 0 - 0.0040 inch (12 Selections)
Fine (Continuous) 0 - 0.0800 inch/min. (12 Selections)
Manual Feed per Graduation (X1)0.00001, (X10) 0.0001 inch
Manual Feed per Revolution (X1)0.001, (X10) 0.01 inch
Motors:
Work head 2.0 HP
Grinding Wheel Spindle 5.0 HP
Crossfeed Servo 0.26 HP
Table longitudinal feed 1.0 HP
Power Supply: 16 KVA
Desired Power Supply including Coolant System
Floor Space (L x W x H): 95 “x 78” x 69”
Net Weight: 6,160 lbs.