84" BLANCHARD ROTARY SURFACE GRINDER ( REBUILT)

 
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84" BLANCHARD ROTARY SURFACE GRINDER ( REBUILT)
 
STOCK #113463

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SPECIFICATIONS:


Blanchard High Power Vertical Surface Grinder 42-72-84, S/N 11145, 
built in 1964.

85" diameter x 24" high over 84" chuck with new segments
In loading position 42" segment chuck clears 84" magnetic chuck by 8"

POWER REQUIREMENT
480 VAC, 400 A, 3 phase, 60 Hz

WORK TABLE
This work table (chuck) has magnets to 72" with an integral 
non-magnetic extension to 84".

WHEEL
22" Cortland segment chuck. Chuck uses 5-CD-22L segments 11-14" x 
2-1/4" x 6" long.

SPEEDS								
		Wheel				 360 RPM			
		Chuck		         3,4.8,7.8,11.9 RPM		
		Chuck Motor			1200 RPM			
		Table Traverse Motor		1200 RPM			
		Head Traverse Motor		  900 RPM			
		Feed Motor			1800 RPM			

FEED
Vertical downfeed by hand or power.  Power feed variable from .004" 
(.1mm) to .080"  (2.03mm) per minute with accurate automatic stop.  
Maximum downfeed before stop operates is .200" (5.03mm), .600" 
(15.24mm) on special order.
Wheelhead has rapid raise and lower interlocked with feed.

COOLANT SYSTEM
Unit rebuilt to "like new" condition to include the following:
One (1) model PD 200-2000F Polyclon/Polytech conveyor drag out system,
 including a 2000 gallon coolant holding tank, built-in drag out type 
sludge conveyor and one seal less type coolant pump rated 200GPM at 
20PSI.
The electrical controls are included.
The unit is completely assembled, primed and painted and fully tested 
in our plant.

COOLANT SYSTEM (continued)
Model SSR-200 Sump Station to transfer gravity discharged coolant from
 your Blanchard grinder to the filter.
Features recessed impeller non-clogging vortex type pump to handle 
abrasive fines as well as woolly pads to 3".
Pump features grease lubricated packing with auto feed grease cup 
(requires periodic filling) that permits pump to run dry without 
damage.
Belt and pulley reduction drive with adjustable motor base and OSHA 
guard and TEFC motor rated 200GPM.
Fully assembled, painted and tested.

FLOOR SPACE AND HEIGHT
Length 20' 9", width 9' 5" maximum height 12' 6", height of chuck from
 floor 55".  Control panel not included.
Standard Control Panel: Length  6', width 21", height 7' (to be 
located and re-connected by customer).

WEIGHT
Grinder with standard equipment						Approx. 70,000 Lbs

Specifications are deemed accurate, however, subject to verification 
or prior sale.
Remanufactured to "like new" condition.

DESCRIPTION OF REBUILD - MECHANICAL

MACHINE REALIGNMENT
Bed ways inspected, machined and scraped
Mating table ways machined and precision hand scraped to bed ways
Column ways machined and scraped
Spindle carrier ways machined and precision hand scraped to match 
column ways
Column aligned to base
All gibs and straps scraped and re-fit
Bowl, guide post and table bottom machined
Bowl and table fit by precision hand scraping
New wipers installed

ELEVATING SCREW UNIT
The unit was completely disassembled to bare castings, cleaned, and 
inspected
All bearings, seals, etc. were replaced
The elevating screw was re-cut and a new nut was manufactured to fit


GEARBOXES
All gearboxes, the traverse drive, the table rotation, the upper 
gearbox will be disassembled, cleaned
  and inspected
All bearings, seals, gaskets, etc. will be replaced
All gears and shafts will be inspected, deburred and repaired/replaced
 as required

CHUCK (New 2001)
The magnetic coils and contact ring will be cleaned and inspected
Meggar testing was performed, new contact springs will be installed
The neutrifier will be inspected for functionality

WHEEL SPINDLE ASSEMBLY
The wheel spindle assembly has been remanufactured
All parts cleaned, inspected
Spindle windings tested, dipped, varnished and baked
Dynamic balanced rotor and new bearings installed

DRESSING UNIT
Rebuilt as required

GUARDING
All guarding will be sandblasted, repaired and refit

ELECTRICAL SYSTEM
DMT will strip all components from the electrical cabinet; clean and 
paint the panel and cabinet.
The main disconnect switch and the control transformer will be reused.
DMT will replace all damaged wire, cable, conduit and fitting as 
required.
The relay logic system will be replaced with an A/B SLC PLC.
The Wye-Delta starter will be replaced with a 6-lead soft-start to 
convert the 480 V input to the
230 V motor windings, allowing the machine to run on 480 VAC plant 
power.
The chuck motor will be equipped with a variable frequency drive to 
permit infinite speed variation within the gear ranges and a low speed
 jog mode to allow for easier loading and unloading.

LUBRICATION
The lubrication system will be replaced with an automatic system for 
the bed and table ways and a Trabon or equivalent grease system for 
the head and column ways.


PAINT AND COSMETICS
Major components will be sandblasted, sanded and primed.
Final paint  machinery enamel, color machine tool gray.







PRICE....................: ${please call for price}