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Rotary Surface Grinding

Models
Overview
Star SU offers a full range of Blanchard vertical spindle rotary table grinders, ranging from the Series 8-12, which swing 14" at 5.5" of height to the 76-164 and can swing 164" at a 60" height. These machines are designed and manufactured in Rockford, Illinois by Bourn & Koch.

Blanchard Numbering System

The first digits of the model number denote the diameter of the grinding wheel in inches. For example, model number 22-42 has a 22" grinding wheel. The second set of digits denotes the diameter of the magnetic chuck in inches. Therefore, the 22-42 has a 42" magnetic chuck.

Models

Blanchard 8-12 Grinding

The Blanchard 8-12 is ideally suited for the grinding of small parts, which must be processed to extremely close size, flatness and parallelism tolerances as well as to fine finish requirements.

Typical applications for the Blanchard 8-12 include the grinding of all ferrous and non-ferrous materials and specialty materials such as glass, quartz, carbide, ferrite and other related components

Features
・Diameter: 140mm
・Wheel Diameter: 203mm
・Table Diameter: 1100mm
標準装備
・Base machine with GE Fanuc Powermate Control
・20" diameter permanent magnet chuck
・Grinding wheel
・Down feed system
・Rack & pinion table traverse thru wormgear reduction drive
・Water guards
・Coolant system, dry base, outside coolant supply required
・Lubrication for table and chuck bearing
・11" cylindrical wheel holder, with (1) abrasive wheel
・Three point column support
・NEMA 12 control enclosure, machine mounted
・3 phase, 60 Hz, 460 volts
・Paint: Sherwin Williams Swiss Dotted Off-White
・Documentation
・Manufactured in USA

Blanchard 11-20 Grinding

The Blanchard series 11-20 is ideally suited for small to medium size work pieces which must be ground to extremely close size, flatness and parallelism tolerances as well as to fine surface finish requirements.

Typical applications for the Series 11-20 include the grinding of all ferrous and non-ferrours materials and specialty materials such a glass, quartz, carbide, ferrite and other related components.

Features
・Diameter: 305mm
・Wheel Diameter: 279mm
・Table Diameter: 508mm
標準装備
・Base machine with GE Fanuc Powermate Control
・12" diameter permanent magnet chuck
・Grinding wheel
・Down feed system
・Water guards
・Coolant system, dry base, outside coolant supply required
・Lubrication for table and chuck bearing
・Manual pulse generator, inch/metric switchable
・Three point column support
・NEMA 12 control enclosure, machine mounted
・Paint: Sherwin Williams Swiss Dotted Off-White
・Documentation
・Manufactured in USA

Blanchard 20-36 Grinding

The Blanchard 20 series is ideally suited for medium size work pieces, which must be ground to close size, flatness and parallelism tolerances, as well as to fine surface finish requirements. It has a 36" diameter magnetic chuck and swings 48" inside the water guards, with a vertical range of 24".

Features
・Diameter: 610mm
・Wheel Diameter: 508mm
・Table Diameter: 914mm
標準装備
・Base machine with GE Fanuc Powermate Control
・36” diameter permanent magnet chuck
・Grinding wheel
・Down feed system
・Rack & pinion table traverse thru wormgear reduction drive
・Water guards
・Coolant system, dry base, outside coolant supply required
・Lubrication for table and chuck bearing
・20” cylindrical wheel holder, Type II or CDT wheels
・Three point column support
・NEMA 12 control enclosure, fl oor mounted
・3 phase, 60 Hz, 460 volts
・Paint: Sherwin Williams Swiss Dotted Off-White
・Documentation
・Manufactured in USA
・Standard Equipment Total

Blanchard 22-42 Grinding

The Blanchard 22 series is ideally suited for medium size work pieces, which must be ground to close size, flatness and parallelism tolerances, as well as to fine surface finish requirements. It is offered in a heavy duty profile with optional higher horsepowers of 75 and 100 HP for those medium size workpieces that require a higher grinding power. The standard 22 machine is equipped with a 50 HP grinding wheel drive.

Features
・Diameter: 610mm
・Wheel Diameter: 559mm
・Table Diameter: 1067mm
標準装備
・Base machine with GE Fanuc Powermate Control
・42" diameter permanent magnet chuck
・Grinding wheel
・Down feed system
・Rack & pinion table traverse thru wormgear reduction drive
・Water guards
・Coolant system, dry base, outside coolant supply required
・Lubrication for table and chuck bearing
・Segment wheel holder, with (1) set abrasive segments
・Three point column support
・NEMA 12 control enclosure, machine mounted
・3 phase, 60 Hz, 460 volts
・Paint: Sherwin Williams Swiss Dotted Off-White
・Documentation
・Manufactured in USA

Blanchard 26-48 Grinding

The Blanchard 26 series is ideally suited for medium size work pieces, which must be ground to close size, flatness and parallelism tolerances, as well as to fine surface finish requirements. It is offered with a 100 horsepower grinding wheel drive system for work pieces requiring higher horsepower.

Features
・Diameter: 610mm
・Wheel Diameter: 660mm
・Table Diameter: 1219mm
標準装備
・Base machine with GE Fanuc Powermate Control
・48" diameter permanent magnet chuck
・Grinding wheel
・Down feed system
・Rack & pinion table traverse thru wormgear reduction drive
・Water guards
・Coolant system, dry base, outside coolant supply required
・Lubrication for table and chuck bearing
・26" grinding wheel segment holder, one set of abrasive segments
・Three point column support
・NEMA 12 control enclosure, machine mounted
・3 phase, 60 Hz, 460 volts
・Paint: Sherwin Williams Swiss Dotted Off-White
・Documentation
・Manufactured in USA

Blanchard 32-60 Grinding

The Blanchard 32-60 Series is ideally suited for the grinding of larger size work pieces when higher horsepower requirements are present. These grinders can process components from "rough" to "finish in the same set-up, eliminating the costly transfer of components between work centers. It uses a 32" diameter grinding wheel with a 100 HP drive motor and has a magnetic chuck of 60" and swings 72" inside the water guards.

Features
・Diameter: 610mm
・Wheel Diameter: 813mm
・Table Diameter: 1524mm

Blanchard 36-66 Grinding

The Blanchard 36 series is ideally suited for grinding larger size work pieces when higher horsepower requirements are present. These grinders can process components from "rough" to "finish" in the same set-up, eliminating the costly transfer of components between work centers. It is equipped with a 36" grinding wheel driven by a 150 HP drive motor and has a 66" magnetic chuck and swings 84" inside the water guards. The standard vertical range of the 36 is 24," but has two optional vertical ranges of 36" and 48:.

Features
・Diameter: 610mm
・Wheel Diameter: 915mm
・Table Diameter: 1676mm
標準装備
・Base machine and controls
・66" diameter permanent magnet chuck
・Geared wheel head
・Down feed system
・Rack & pinion table traverse thru wormgear reduction drive
・Water guards
・Coolant system, dry base, ourside coolant supply required
・Lubrication for table and chuck bearing
・36" CDT segment wheel holder, with (1) set abrasive segments
・Three point column support
・NEMA 12 control enclosure, machine mounted
・3 phase, 60 Hz, 460 volts
・Paint: Sherwin Williams Swiss Dotted Off-White
・Documentation
・Manufactured in USA

Blanchard 42-84 Grinding

The Blanchard 42-84 series is ideally suited for grinding larger size work pieces. These grinders can process components from "rough" to "finish" in the same set-up, eliminating the costly transfer of components between work centers. It uses a 42" diameter grinding wheel powered by a 150 HP drive. The magnetic chuck is 84" in diameter and the swing diameter inside the water guards is 85." A 96" swing inside the water guards is optionally available. Higher horsepower drives are also available as options.

Features
・Diameter: 838mm
・Wheel Diameter: 1067mm
・Table Diameter: 2134mm
標準装備
・Extra heavy, double wall close grain casting with integral sloping shelf
・84" diameter magnet chuck
・Traverse rack mounted on the table
・Wheel head made of heavily ribbed casting
・Three point column support
・Vertical power down feed system
・Steel sheet water guards
・Drive motor with absolute position encoder feedback system
・External coolant storage
・Oil pump circulates in impulse feed box
・Paint: Swiss White, Steel Blue, Machine Tool Gray or Vista Green
・1 operator's handbook and necessary adjusting wrenches
・Manufactured in USA

Blanchard 54-84 Grinding

The Blanchard series 54-84 is ideally suited for grinding large size workpieces. These grinders can process components from "rough" to "finish" in the same set-up, eliminating the costly transfer of components between work centers. It uses a 54" diameter grinding wheel driven by a 150 HP motor. The magnetic chuck is 84" in diameter and the swing diameter is 128" inside the water guards. The standard vertical range of the machine is 33" with options to go to 45" and 60."

Features
・Axial Travel: 838mm
・Wheel Diameter: 1372mm
・Table Diameter: 2540mm

Blanchard 73-120 Grinding

The Blanchard 73-120 series is ideally suited for grinding large size workpieces up to 164" swing diameter. These grinders can process components from "rough" to "finish" in the same set-up, eliminating the costly transfer of components between work centers. It is equipped with a 73" diameter wheel driven by a 200 HP motor, with optional 250 and 300 HP drives available. The magnetic chuck is 120" with a swing inside the water guards of 164". The machine has vertical range of 60" as standard.

Features
・Axial Travel: 838mm
・Wheel Diameter: 1829mm
・Table Diameter: 3048mm
標準装備
・Base machine extra heavy, double wall close grain casting
・120" diameter magnet chuck
・Traverse rack mounted on the table
・Wheel head made of heavily ribbed casting
・Three point column support
・Geared wheel head
・Blanchard CDT segment wheel holder, one set of abrasive segments
・Vertical power down feed system
・Steel sheet water guards
・Drive motor with absolute position encoder feedback system
・External coolant storage, dry base design
・Oil pump circulates in impulse feed box
・Floor mounted NEMA 12 electrical enclosure
・Paint: Swiss White, Steel Blue, Machine Tool Gray or Vista Green
・1 operator's handbook and necessary adjusting wrenches
・Manufactured in USA

Specs

Technical Data Units 8-12 11-20 20-36 22-42 26-48
Grinding wheel diameter in 8 11 20 22 26
Magnetic chuck diameter in 12 20 36 42 48
Outside swing inside waterguards in - - - - -
Swing diameter inside warterguards in 14 21 48 48 56
Vertical range in 5.5 12 24 24 24
Maximum load on chuck lbs 100 500 3000 3000 3000
Grinding wheel horsepower (HP) 3 15 50 50 75
Type of feed system Servo Servo Servo Servo Servo
Down feed rates IPM .0001 - .050 .0001 - .100 .0001 - .100 .0001 - .100 .0001 - .100
Chuck rotation speeds RPM 20 - 120 15 - 75 6 - 24 6 to 24 6 to 24
Coolant capacity gal 50 75 250 250 500
Height* (Approximate) in 38 81 105 109 105
Length (Approximate) in 48 91 140 140 143
Width (Approximate) in 23 55 69 69 65
Weight (Approximate Net) lbs 1300 8000 18000 18300 8500
Technical Data Units 32-60 36-66 42-84 54-84 73-120
Grinding wheel diameter in   36 42   72
Magnetic chuck diameter in   66 84   120
Outside swing inside waterguards in   - 96   -
Swing diameter inside warterguards in   84 85   144
Vertical range in   24 33   33
Maximum load on chuck lbs   10000 22000   30000
Grinding wheel horsepower (HP)   150 150   200
Type of feed system   pick-feed Servo   Servo
Down feed rates IPM   .004 - .080 .001 - .096   .001 - .096
Chuck rotation speeds RPM   5.6 - 20.1 3.0 - 11.9   2.6 - 10.2
Coolant capacity gal   1000 2000   3000
Height* (Approximate) in   81 168   220
Length (Approximate) in   91 249   299
Width (Approximate) in   55 113   150
Weight (Approximate Net) lbs   45000 80500   103000
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