Blanchard #20K-36, 36" Vertical Spindle Rotary Surface Grinder
Blanchard #20K-36, 36" Vertical Spindle Rotary Surface Grinder Blanchard #20K-36, 36" Vertical Spindle Rotary Surface Grinder

Tag Number: 16291
Machine Type: Grinding Machines
UMCC: G8100
Manufacturer: Blanchard
Model: 20K-36
Year: 1970
Serial Number: 13354
Description: Blanchard #20K-36, 36" Vertical Spindle Rotary Surface Grinder


We Offer Turnkey Services with this Machine.

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Overall Specifications

36" Magnetic Chuck Diameter, Approximately .250" Chuck Life
18" Approximate Range Over Chuck With New Wheel
20" Diameter of Wheel Chuck, Solid Wheel Style
(6) Ranges of Chuck Speeds, 6, 9, 12, 18, 25, 33 RPM
Feed 0.004 - 0.080 IPM
720 RPM Wheel Speed
50 HP, 3 Phase, 60 Cycle, 230/420 Volt,
Floor Space 11'8"L x 8'4"W x 9'1"Max./8'8"Min. Height
Approx. Weight 13,500 lbs.
Wet base (coolant in base)
Thank you for choosing F. P. Miller Company to provide you with a quote on a purchase and rebuild of a Blanchard Rotary Surface Grinder. The work would consist of a mechanical rebuild which includes specific items as follows:
1) MACHINE DIS-ASSEMBLY:
a) Completely disassemble machine & inspect parts and castings.
b) Clean and wire brush all parts
2) TABLE AND TABLE SUPPORT WAYS:
a) Machine as required.
b) Precision Scrape, fit the table support ways to the table ways.
c) Installation of Moglice wear material in cup if needed.
d) Grind magnetic chuck hardened bull gear
3) CARRIAGE AND BASE WAYS:
a) Re-grind hardened base ways (Replace if needed)
b) Precision scrape and fit carriage to base ways.
c) Installation of cast iron wear strip if needed
4) VERTICAL SLIDE AND COLUMN WAYS:
a) Machine as required
b) Precision scrape and fit the vertical slide ways to the column ways including the gibs.
c) Replace or rebuild Elevating Screw and Nut
d) Installation of cast iron insert material if needed.
5) CARRIAGE AND TABLE DRIVE MECHANISMS
a) Inspect and rebuild carriage drive assembly (including replacing bearings and seals).
b) Replace Rack and Pinion
c) Inspect and rebuild table drive assembly (including replacing bearings and seals).
6) HEAD FEED MECHANISM:
a) Inspect and rebuild head feed as required (including replacing bearings and seals).
b) Inspect Feed worm gear and pinion, remove backlash.
7) SPINDLE UNIT COMPLETE:
a) Disassemble the spindle unit, clean and evaluate.
b) Check spindle taper fit to wheel collar taper, and repair if required.
c) Replace the upper and lower spindle bearings
d) Clean, bake, and recoat windings. (Main Spindle Motor)
e) Reassemble the spindle unit, and test.
8) ELECTRICAL FEED MOTORS:
a) Disassemble feed motors, clean and evaluate.
b) Replace bearings
9) LUBRICATION SYSTEM:
a) Install Automatic oil lubrication system
b) Remove all lube lines on the carriage, base and table.
c) Replace or reuse all lube blocks and clean oil ports on the carriage, base and table.
d) Re-pipe with all new lines and fittings, the carriage, base and table.
10) GREASE SYSTEM:
a) Install new automatic grease system
b) Replace all lube lines on the column ways.
c) Replace or re-use all lube blocks and clean oil ports on the column ways.
d) Replace all lube fittings on the column.
11) ELECTRICAL:
a) All new wiring on machine
b) New magnetic controller
c) All new limit switches and push button switches (placed to your configuration)
d) New Electrical Panel and components.
e) Install soft start for table
f) Updated Schematics
g) Updated manuals
12) MAGNETIC CHUCK:
a) Meg Magnetic Chuck
b) Install New Magnetic Chuck Controls
13) GUARDING AND COOLANT LINES:
a) Replace all water guards
b) Fit to machine
c) Install new coolant Lines and External Clean Out Hose
14) PAINT:
a) Sand entire machine to original machine surface.
b) Clean.
c) Prime and paint grey. Will accommodate customers paint specs if possible
15) REASSEMBLY OF MACHINE COMPLETE AND TEST:
NOTE: Items not covered in this quote:
Resurfacing of Magnetic Chuck
REQUIREMENTS:
1. CONTRACTORS RESPONSIBILITY:
F. P. Miller will be responsible for furnishing all services, labor, parts and materials necessary to rebuild the machine as described above.
2. DIS-ASSEMBLY AND INSPECTION:
-All areas and items of rebuild will be completely dismantled to basic parts and castings.
-All parts and castings will be thoroughly inspected for defects.
3. RE-UTILIZATION OF PARTS:
-All parts that will be reused will be in such condition to assure proper

This machine is listed for sale by F.P. Miller Company located in Jackson, Michigan