Heavy Duty Flat Lap and Vibra Laps for Stone, Glass or Optical Applications

Gemological Equipment, Faceting Machines, Lapidary Equipment

Heavy Duty Flat Laps and Vibra Laps
for Stone, Glass or Optics

Rotating Disc Flat Laps
for Stone, Glass or Optics

If you need to precision grind and polish a flat surface on stone, glass or optics, the rotating disc laps will do the job.

These rotating flat laps are built to fulfill the fundamental requirements of precision lapping. You get maximum stability and wheel balance. Lap plates are cast iron, machined to exacting tolerances and grooved with concentric V-groove circles for retention of the abrasive charge. Your surfaces will be FLAT. Bearings are completely shielded against contamination. Tanks are fabricated steel plate for stability and years of heavy duty service. Rotating laps work faster than the oscillating type machine, but the workpiece must be held and kept in constant motion throughout the process.

Standard Features for both 12" and 18" models.

Cast iron plates with precision ground surface and grooves.

Arbor shaft 1". Bearings are 1" factory lubricated and sealed.

Water reservoir has adjustable valve to regulate flow of water or water-abrasive mixture.

Standard motor is 1/3 HP 110V 60hz with 3-wire cord, heavy duty motor switch, belt and pulley. A 220V 50hz motor is available.

Model 18RL comes with 18" cast iron lap, fabricated steel plate box measuring 24" x 24" x 34" high.

Model 12RL comes with 12" cast iron lap. Fabricated steel plate box measures 15" x 15" x 6". Height to top of box is 12".

SPECIAL FEATURES AVAILABLE

Both machines are available with a variable speed DC motor and controller and are SPECIAL ORDER. Motor is 1/2 HP on 12RL and 3/4 HP on 18RL. Please allow 4 - 6 weeks for delivery.

Dura-Discs are available for both Models 12RL and 18RL. Dura Discs have the diamond metal bonded to a flexible, magnetic backing that attaches easily to the lapping machine's metal plate. These large Dura-Discs are SPECIAL ORDER. Please call for further information.

Must be crated for shipment.

12" Model 12RL

Item	Order#	Shipping Weight	Price
Model with 1/3 HP 110V 60HZ motor	620-40-121897	135 lbs	us$1045.25
Model with 1/3 HP 220V 50HZ motor	620-40-121897X	135 lbs	us$1170.00
Extra Cast Iron Lap	621-40-117085	25 lbs	us$300.00
Variable Speed Model	620-40-121897V	150 lbs	us$1745.00
Crating Fee	620-40-C12		us$55.00

18" Model 18RL

Item	Order#	Shipping Weight	Price
Model with 1/3 HP 110V 60HZ motor	620-40-121889	326 lbs	us$1550.25
Model with 1/3 HP 220V 50HZ motor	620-40-121889X	326 lbs	us$1675.00
Extra Cast Iron Lap	621-40-117077	76 lbs	us$479.00
Variable Speed Model	620-40-121889V	345 lbs	us$2350.00
Crating Fee	620-40-C18		us$115.00
Crating Fee for Plate	620-40-117077-C		us$15.00

For ordering special 12" and 18" Dura-Disc Diamond Laps.

Vi-Bro-Laps in Two Sizes

Both the 20" and 27" Vi-Bro-Lap models give you the satisfaction of achieving flat surfaces on geode halves, agate, petrified wood and other material, yet relieves you of the necessity for constant attention to the lapping process.

When the workpiece surface is ground flat and satin smooth, the lap plate is turned over to the other side on which a polishing pad is cemented. Using a polishing compound on this pad, a fine mirror like finish is produced on the workpiece.

SPECIFICATIONS

Lap plates are manufactured from heat treated aluminum alloy to produce a tough, wear -resistant surface. Each surface has milled V-Grooves in a square grid pattern.

Suspension is controlled by aircraft strength cable, adjustable for fine leveling to keep workpieces evenly distributed over the lap plate surface.

20VL measures 21" W x 21" D x 21" H.

27VL measures 28" W x 28" D x 30" H.

Frame is welded, fabricated steel for stability.

Comes with 1/3 HP motor, one medium Lapmate, polish pad and galvanized circle. Export Model available.

A Unique Double Action Works for You

While the Vi-Bro-Lap plate oscillates, work piece rotates! This gives faster grinding surface speed; distributes abrasives, assures a flat polished surface and equalizes wear on lap plate.

Allow 3 - 4 weeks for Delivery.

ALL MODELS MUST BE CRATED

20" Model 20VL

Item	Order#	Shipping Weight	Price
Model with 1/3 HP 110V 60HZ motor	620-41-108415	176 lbs	us$1185.00
Export Model with 1/3 HP 220V 50HZ motor	620-41-108415X	176 lbs	us$1310.00
Crating Fee	621-41-C20		us$75.00
Replacement plate with pad	621-41-118208	28 lbs	us$393.00
Nylon polish pad cemented to galvanized circle	621-41-117176	5 lbs	us$36.00
Nylon polish pad	621-41-117101	1 lb	us$8.25
Splash Guard	621-41-115410	5 lbs	us$62.00
Cable and eye bolt kit	690-41-100438	8 oz	us$9.50
Rubber Foot	690-41-104125	6 oz	us$2.50
Flange Bearing	690-90-4120	2 lbs	us$46.50
Pillow Block Bearing	690-90-5684	2 lbs	us$31.95

27" Model 27VL

Item	Order#	Shipping Weight	Price
Model with 1/3 HP 110V 60HZ motor	620-41-108423	270 lbs	us$1385.00
Export Model with 1/3 HP 220V 50HZ motor	620-41-108423X	270 lbs	us$1510.00
Crating Fee	620-41-C27		us$90.00
Replacement plate with pad	621-41-118190	84 lbs	us$499.00
Crating Fee	621-41-118190-C		us$15.00
Nylon polish pad cemented to galvanized circle	621-41-117184	5 lbs	us$57.00
Nylon polish pad	621-41-117119	1 lb	us$10.50
Splash Guard	621-41-115428	6 lbs	us$86.00
Cable and eye bolt kit	690-41-100420	8 oz	us$9.50
Rubber Foot	690-41-104125	6 oz	us$2.50
Flange Bearing	690-90-4120	2 lbs	us$46.50
Pillow Block Bearing	690-90-5684	2 lbs	us$31.95

Double Deck Vibratory Lap

You can be rough grinding and finish polishing at the same time with this 18" double pan set up.

Use the top pan with its special pad for all polishing and the lower pan for the other stages of grind and pre-polish.

Brackets hold the two pans in place, one above the other and are designed for easy removal of the pans.

Slabs rotate in a circular orbit so there is little damage to any stone edge. Use a Lapmate (described below) and you greatly reduce your lapping time.

Machine is made of non-rusting aluminum castings. Only weighs 50 lbs so can be moved from place to place but is still heavy enough for stability while in operation.

The Double Deck Lap (formerly "Lap-Lap") is powered by a 1/8 HP 110V 60hz, heavy duty motor. The machine comes with frame, motor, two pans, polishing pad, set of brackets.

Double Deck Lap 18" Model DL-18

Item	Order#	Shipping Weight	Price
Double Deck Lap	620-42-2000	53 lbs	us$N/A
Smooth Pan	621-42-2003	12 lbs	us$149.00
Rough Pan	621-42-2004	12 lbs	us$149.00
Polish Pad	621-42-0060	2 lbs	us$8.00
Bracket (set of 4)	621-42-2115	2 lbs	us$29.95
Rubber Ball	690-42-2005	6 oz	us$3.00
Spring	690-42-2007	6 oz	us$1.00

Grit Sequence for Lapping

The choice of abrasive grit sizes for the lapping process follows somewhat that in tumbling or stone polishing procedures. The choice also depends upon the material and preference of the person doing the work.

The following sequence of silicon carbide grits is commonly used, and will generally produce a satisfactory polish on most materials: 60/90, 220, 400, 600, 1000, and then a polish. Generally, the more steps the better to produce a fine polished work piece.

leadwt - Lapmate Lead Weights

Shown above are three sizes of Lapmates. One on far left shows slab in place. Middle Lapmate shows top side and various nuts used in attaching slabs. Lapmate on far right shows bottom side where slabs are attached.

The small size adjusts to fit slabs approx. 2" to 4 1/4", medium fits 3" to 5 1/4", large fits 4" to 6 3/4".

"LapMate" Lead Weights

These adjustable lead weights hold slabs of almost any shape for vibratory lapping. Uses independently adjustable retaining pins to hold slab. Lapping time is considerably reduced because surface is evenly lapped. The "LapMate" can be left unattended once it is adjusted. It will not rust and is easily cleaned to avoid contamination between stages.

720-70-0100 Petite ...... Shp Wt. 2 lbs ...... us$33.50

720-70-0101 Small ...... Shp Wt. 4 lbs ...... us$40.25

720-70-0102 Med ........ Shp Wt. 6 lbs ...... us$48.00

720-70-0103 Large ...... Shp Wt. 10 lbs ..... us$59.25

Please write info@gemstoneworld.com for any more questions you might have.

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