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Precision Surface Grinder Machines

Surface grinders are used for various grinding processes including truing flat metal stock, squaring material within tenths, sharpening cutting tools and for sharpening punch and die sets. A surface grinder normally consists of a magnetic chuck, which resembles a table, the grinding wheel that is attached to a rotating spindle, and a few handwheels (if manually operated). The workpiece is placed on the magnetic chuck and the chuck is then activated either by a switch or lever. When the chuck is activated the part is then held firmly to the magnetic chuck. The grinding wheel is then moved down to the top of the workpiece using a handwheel, until the grinding wheel touches the part (carefully), then you can begin moving the table side to side and front to back until the entire surface of the part is ground. If more of the surface needs to be ground, move the table so the grinding wheel is off the workpiece and lower the grinding wheel about 0.0002" to 0.0004" using the tick marks on the handwheel and begin moving the table again, this process can be repeated until the desired dimension is accomplished. Remember to follow all safety rules for surface grinders as these machines can be dangerous if used improperly. Eye protection is a must.

JET Manual SURFACE GRINDER
(scroll down for automatic)

• Complete coolant system. • Balancing arbor. • Halogen work lamp. • Grinding wheel. • Wheel flange. • Diamond wheel dresser. • Leveling blocks. • Wheel extracting screw. • Tool box with tools. • Magnetic Chuck is optional.

JET SPECS	Click to Request this Quote
Capacity	6 x 18"
Grinding Area (W x L):	7 x 19"
Max. Manual Table X Travel	20"
Max Table Cross Travel	7.75"
Cross Handwheel Grads	0.0005
Cross Handwheel per Revolution	0.02
Spindle Table to centerline -maximum height	18"
Max. Wheel Diameter	8"
Max. Wheel Thickness	3/4
Wheel Center Bore	1.25
Spindle Speed	3450 rpm
Motor size	2 HP
Machine size	74" x 45" x 68"
Machine weight	2860 Lbs

JET 6 x 18 manual Surface Grinder
Base, saddle table and column feature high quality cast iron. Table travels on precision roller balls. Double V roller tracks are over 19 inches apart. Roller tracks are Turcite-B coated for long life. Motor is dynamically balanced allowing spindle run-out within 0.0008" 24 volt controls feature overload protection. Automatic continuous lubrication of table ways. Adjustable longitudinal table stops and cross feed lock are featured.

BIRMINGHAM SURFACE GRINDER Specifications	Model WSG-618 Click to Request this Quote	Model WSG-818 Click to Request this Quote
Table size	6 x 18"	8 x 18"
Max griding length	18.50"	19.75"
Max grinding width	6.50"	8.25"
Spindle center to table - Maximum	15.75"	19.75"
Max longitudinal travel	19"	21.62"
Max cross travel	7"	9"
Longitudinal travel per revolution	4.125"	3.937"
Cross travel per revolution.	.2"	.2"
Cross travel per graduation	.0008"	.0008"
Vertical travel per revolution	.05"	.05"
Vertical travel per graduation	.00025"	.00025"
Peripheral speed of wheel	110 feet/sec	110 feet/sec
Spindle speed	3600 RPM	3600 RPM
Grinding wheel size	8" dia x 1/2" x 1.25"	8" dia x 1/2" x 1.25"
Spindle motor	2 HP	2 HP
Coolant pump	.05 HP	.05 HP
Lubricating pump	.02 HP	.02 HP
Overall Dimension	55" x 39" x 71"	59" x 47" x 72"
Net weight (pounds)	1600	2350

BIRMINGHAM manual Surface Grinder
Standard Features:
• Fine Graduation on Travels
• High Precision Cartridge Wheel Spindle
• High Precision and smooth Roller Way Table
• Auto Lubrication on Leadscrews & Ways
• Fine grain high tensile casting
• Includes Grinding Wheel and Flange
• Wheel Balance Arbor
• Diamond Wheel Dresser
• Work Light
• Coolant System
• Standard Permanent Magnetic Holder
• Tool Box • Hoisting Set • Leveling Pads

JET Automatic SURFACE GRINDER

JET SPECS	Click to Request this Quote	Click to Request this Quote
Capacity	8 x 20"	12 x 24"
Grinding Area (W x L):	8-1/4 x 21-5/8	12-3/16 x 25-1/2
Max. Table Load	660 Lbs	880 Lbs
Max. Manual Table X Travel	24"	28"
Max Auto Table X Travel	22.375	25.56
Table Speed - X	10 - 82 fpm	10 - 82 fpm
Max Table Cross Travel	8.81"	12.56"
Cross Handwheel Grads	.001"	.001"
Cross Handwheel per Revolution	.2	.2
Cross Feed per Automatic Pass	.02 - .32"	.02 - .32"
Spindle Table to centerline -maximum height	16.3"	20
Max. Wheel Diameter	8"	12
Max. Wheel Thickness	3/4	1.25
Wheel Center Bore	1.25	3
Spindle Speed	3450 rpm	1750 rpm
Motor size	2 HP	3 HP
Machine size	100 x 62 x 86	110 x 76 x 89
Machine weight	2860 Lbs	3850 Lbs

JET Automatic Surface Grinder

Vertical feed features hydraulic 3-step selection. Rapid vertical motor increases work efficiency. Base, saddle, table and column made from high quality cast iron. Fully automatic operation in 3-axis. Slide ways are hand scraped and Turcite coated allowing smooth operation. Spindle has (4) class 7 bearing for high accuracy. Automatic continuous lubrication system with low oil warning lamp. Low voltage controls include overload protection. Standard Equipment Electronic chuck. Complete coolant and dust collection system, Hydraulic motor and pump. Wheel balancing base. Halogen work lamp. Balancing arbor. Grinding wheel. Wheel flange. Diamond wheel dresser. Leveling blocks. Wheel extractor. Tool box.

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Phone: 773-334-5000
Fax: 773-442-0314
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