12" Lapmaster #12, single sided, open-face lapping & polishing machine

Lapmaster 12” Single Sided, Open-Face Lapping and Polishing Machine W/Conditioning Rings

Stock#R877
Model 12
Serial#B-15008

Lap Plate (Radially Serrated): 12.0 in (305 mm) Outside Diameter × 3.0 in (76 mm) Inside Diameter

Conditioning Rings (Qty 3): 5.625 in (143 mm) O.D. × 4.25 in (108 mm) I.D.

Max Workpiece Capacity: Accommodates parts up to 4.25 in (108 mm) diameter inside each conditioning ring.

Pressure Plates (Qty 3): 4.187 in (106 mm) Diameter (Solid cast iron with integrated lifting eyelet).

Motor: 1/3 HP (0.25 kW) heavy-duty industrial induction motor.

Standard Electrical Configuration: 110V, Single-Phase, 60 Hz (Standard US 3-prong wall plug setup, typical for the 'B' serial batch unless custom-ordered as 220V/3-Phase).

Gearbox: Constant-speed heavy-duty worm gear reducer.

Lap Plate Speed: Fixed 60 RPM (constant speed).

Abrasive Feed: integrated mechanical pump system

Flow Control: Manual adjust needle valve

Cycle Timer: Mechanical or early-generation digital countdown timer (0–60 minutes) featuring an integrated automatic shutoff relay.

Dimensions
18” x 25” x
Weight 350 lb