12" X 39" Knuth Universal Cylindrical Grinder

Stock Number: NG48001

Cincinnati RSM 1000C

Condition: New

Request A Quote On Our Stock Number: NG48001 12 X 39 Knuth Universal Cylindrical Grinder

Specification	Description
Working Area
Center Height	7"
Grinding Diameter	0.3 TO 12.6"
Wtih Steady Rest	2"
Grinder Length	39"
Inside Grinding Diameter With Rest	1.4 To 3.9"
Inside Grinding Diameter Without Rest	1.2 To 3.9"
Inside Grinding Depth	4.9"
Work Piece Weight Between Centers (Max.)	330 Lbs.
Grinding Wheel Feed (Min)	0.0001 "
Chuck Diameter	8"
Table Swivel Range (Max)	-3 Degree /+7 Degree
Wheel Speeds	1,365 In/s
Work Spindle Speeds	50 Hz. 25-220 Rpm's
Grinding Head Travel	10"
Feed
Table Feed, Infintely Variable	3.9-156 In/Min.
Feed Per Hand-Wheel Rotation X Axis	0.0394 In.
Feed Per Scale Division X -Axis	0.000098 In.
Accuracies
Run-Out Deviation	0 In.
Cylindrical Deviation	0.00039 In.
Headstock
Working Headstock Swivel Range	0-45 Degree
Working Spindle Taper	MK4
Grinding Headstock
Grinding Spindel Speed	0-1,670 Rpm's
Grinding Headstock Swivel Range	30 Degree
Tailstock
Tailstock Taper	MK-4
Tailstock Quill Stroke	1 In.
Drive Capacity
Motor Rating Main Drive	11.9 Hp.
Motor Rating Grinding	7.4 Hp.
Motor Rating Inside Grinding	1.5 Hp.
Motor Rating Hydraulic Pump	1 Hp.
Motor Rating Working Spindle	2 Hp.
Motor Rating Coolant	0.2 Hp.
Measures And Weight
Grinding Wheels Dimensions	16" X 2" X 8"
Grindstone Dimensions, Inside Grinding (Max)	2 X 1 X 0.5 In.
Grindstone Dimensions, Inside Grinding (Min)	0.7 X 0.8 X 0.2"
Overall Dimensions
Length X Width	143" X 72"
Height	60"
Weight	8,140 Lbs.

Equipped With:
Large machine bed in a heavy design accommodates workpieces with lengths up to 39 inch and diameters up to 12 inch wide, precision-ground guideways ensure maximum accuracy across the entire workpiece length and accommodate high workpiece weights. The table features large dimensions and swivels in two directions - table movement via hand-wheel or automatically via linear hydraulic feed The robust feed valve allows very precise micro-feed control on the X axis, including a user-adjustable dwell time at the end of the longitudinal table travel Hydraulic ratchet feed simplifies exact X axis positioning, limited by an adjustable zero stop, and repeated feeds by the push of a button The adjustable grinding spindle features superior bearings and provides for maximum precision and surface quality, plus extraordinary tool life and rigidity The grinding spindle motor provides up to 7 HP power and is designed for continuous operation The heavy-duty spindle head swivels 30° to the left and to the right; the work spindle head swivels 45° Standard inside grinder for grinding parts with diameters up to 4 inch Integrated rapid feed on Z axis with manual return. Standard Equipment: 2-axis position indicator, internal grinding equipment, open rest, closed rest, 3-jaw chuck, Ų 7.87", coolant system, grinding wheel dresser, balancing station, balancing mandrel, grinding wheel flange, grinding wheel, center point, front and rear splatter guard, drivers, operating tools, operator manual, test certificate

N & R Machine Sales
9292 Industrial Drive
Navasota, Texas 77868
936 825 2600
936 825 2679
sales@nrmachinesales.com

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