Top Seller
1970 BROWN & SHARPE MICROMASTER
Location:
Bethlehem, PA
Price:
$4,950 USD
Model:
MICROMASTER 612 GRINDER
Weight:
1,425 LBS.

Specifications

Condition:
used
Year:
1970
Serial number:
523-612-869
Stock number:
DK-16908
Size:
6" X 12"
Drive:
1 HP
Electrics:
460VOLTS, 3 PH, 60 CYC
Hole size:
1-1/4”
Lubrication:
SEALED
Top of table:
16” MAX – 3.5” MIN
Working surface:
6” X 12”
Width of t-slots:
9/16”
Grinding capacity:
6” W X 12” L
Number of t-slots:
1
Handwheel reads to:
.0001”
Net weight, approx:
1,425 LBS.
Vertical adjustment:
12-1/2”
Fine feed – reads to:
.0001”
Grinding wheel diameter:
8”
Rear rollers mounted in:
90° V-CHANNEL
Front rollers mounted in:
FLAT CHANNEL
Grinding wheel thickness:
1/2”
Grinding wheel vertically:
.050”
Grinding wheel transversely:
.100”
Longitudinal travel (maximum):
14”
Traverse movement by handwheel:
7”
180 lever movement equals approx:
11” TABLE TRAVEL
Handwheel rim graduated to read to:
.0002”
With wheel – 8” od x 1-1/4” hole:
12”
Subcategory:
Grinders surface

Description

SPECIFICATIONS
GRINDING CAPACITY: 6” W X 12” L
HEIGHT OF WORK GROUND
WITH WHEEL – 8” OD X 1-1/4” HOLE: 12”
DISTANCE – CENTER OF WHEEL SPINDLE TO
TOP OF TABLE: 16” MAX – 3.5” MIN
SPINDLE
ANTI-FRICTION BEARING UNIT WITH ORIFLEX DRIVE
THRU 6 “O” RINGS
DRIVE: 1 HP
SPEED (NO LOAD) 2,860 RPM
GRINDING WHEEL DIAMETER: 8”
GRINDING WHEEL THICKNESS: 1/2”
HOLE SIZE: 1-1/4”
LUBRICATION: SEALED
SPINDLE SLIDE UPRIGHT
TRAVERSE MOVEMENT BY HANDWHEEL: 7”
HANDWHEEL RIM GRADUATED TO READ TO: .0002”
FINE FEED – READS TO: .0001”
ONE REVOLUTION OF HANDWHEEL MOVES
GRINDING WHEEL TRANSVERSELY: .100”
TABLE
WORKING SURFACE: 6” X 12”
NUMBER OF T-SLOTS: 1
WIDTH OF T-SLOTS: 9/16”
FRONT ROLLERS MOUNTED IN: FLAT CHANNEL
REAR ROLLERS MOUNTED IN: 90° V-CHANNEL
LONGITUDINAL TRAVEL (MAXIMUM): 14”
LEVER OPERATED TRAVERSE (OPTIONAL)
180 LEVER MOVEMENT EQUALS APPROX.: 11” TABLE TRAVEL
WHEEL SPINDLE VERTICAL SLIDE
VERTICAL ADJUSTMENT: 12-1/2”
OPERATED BY HANDWHEEL GRADUATED TO READ: .0002”
MICROMETER VERTICAL FEED
HANDWHEEL READS TO: .0001”
ONE REVOLUTION OF HANDWHEEL MOVES
GRINDING WHEEL VERTICALLY: .050”
GENERAL
NET WEIGHT, APPROX: 1,425 LBS.
ELECTRICS: 460VOLTS, 3 PH, 60 CYC
EQUIPPED WITH
6” X 12” BROWN & SHARP PERMANENT MAGNETIC CHUCK
CROSS & DOWNFEEDS HAVE FINE FEEDS (.0001”)
LEVER OPERATED TRAVERSE
WHEEL HUB
MISC SPARE PARTS