LAPIDARY EQUIPMENT & SUPPLIES

Grinders & Polishers

Covington -- Heavy Duty Grinder-Polisher

Model # 400 -- $650.00  (less wheels)

Model 592 variable speed  -$ 780.00 (Less Wheels)

Will take 10, 8 or 6" Wheels or 8" expando drum
Option: Either end of the shaft will hold an 8" X 1" - 14 thread vertical disc-with a wheel or drum still mounted
Versatile two-station grinder/polisher
1"X18" shaft with heavy-duty neoprene sealed ball bearings
Cast aluminum pans and hoods
1/3 HP, 110V, Hy-torque motor

Accessories Included:

Flanges, nuts, drive pulley, v-belt & guard, water valves & drains
Hoods remove easily for cleaning or wheel change
Water valve takes 1/4" O.D. plastic tube for gravity water flow or 1/4" copper tube for pressure system
Spray nozzles under hoot wet entire wheel face
Unit comes with instructions & guarantee
Comes fully assembled and mounted on Lam-I-Cushion base
Size: 25" L X 24" W X 15" H
Shipping Weight:  80 lbs.

8" Grinder-Polisher
With 8" Expando Drum

Belts can be quickly changed--just slip off the old and slide on the new!

Grinder-Polisher Features:

	Heavy duty ball bearings, neoprene sealed and greased for life
	Rust proof aluminum castings
	Adjustable cab and wheel rest
	Speed control with 8 RPM changes
	1/3 HP, 110V, H.D. Motor

Expando drum: angled expansion slots through rubber rim allow drum to expand when rotated, thereby locking belt in place. Drum surface flexes to gemstone contour to quickly remove grinding flats and belt's cutting action quickly removes scratches. Hood removes easily for cleaning or wheel change. Water valve takes 1/4" O.D. plastic tube for gravity water flow or 1/4" copper tube for pressure system. Spray nozzles under hood wet entire wheel face. Base-mounted grinder-polisher comes assembled with 2 8" x 1 1/2" silicon carbide grinding wheels (100 & 220 grit), 8" expando drum with 400 grit belt, and aluminum polishing buff. Sample kit includes polish powder with brush and dop sticks with wax. Units comes assembled with operating instructions and guarantee. Size 36"L x 22"W x 18"H ( 1/3 hp Motor  shipped separately).

Model #752 -- Grinder-Polisher Silicon Carbide Unit (includes 1/2" bore Vari-drive pulley)	$1150.00
Model #754 -- Grinder-Polisher Diamond Unit (includes 1/2" bore Vari-drive motor pulley)	$1,400.00

The 754 unit has the same basic features as the $752 with silicon carbide replaced by diamond abrasives. Unit comes with 2 8" x 1 1/2" metal bond diamond grinding wheels (100 & 220 grit), 2 3" x 25 7/32" diamond cloth belts (220 mesh & 1200 mesh) and, for polishing on the leather disc a 2 gram syringe of 50,000 mesh diamond compound with a 2 dram bottle of extender fluid (thinner). Grinder-Polisher comes complete with sample kit, book about using diamond abrasives, instructions and guarantee (motor sold & shipped separately).

Diamond Pacific's ADD A UNIT Arbor System You can mount a wheel or expandable drum on each end of the shaft. Both ends have a 1/2" step for mounting laps. The right hand will also accept 1/4" -20 screw back disc for polishing. This units works great for a grinding -polishing station or a carving . The 8" arbor is  heavy duty, cast aluminum with split housing. The pan and hood is powder coated steel and has two threaded drain holes. The hood has a overhead water manifold to provide water coolant. Has a whopping 2 3/4" under the wheel clearance using a 8" wheel! Works great with expandable drums or grinding wheels or both! AD A UNIT: 8" Husky Arbor with pan, hood, belt, and three step pulley. $610.00 AD A UNIT with Motor 8" Husky arbor, pan, hood, pulley, belt and 1/3 hp motor and laminated board $848.00 AD A UNIT EXPORT 220V-50 hz  1/3 hp ( same as above ) $1030.00 AD A UNIT with VARIABLE SPEED CONTROL  1/2 hp motor ( US )  $1830.00 AD A UNIT with VARIABLE SPEED CONTROL 1/2 HP EXPORT $1830.00

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