PRECISION DUAL FACE FLAT L A P P I N G / P O LI S H I N G MACHINE 3-way, planetary, dual face lap- ping and polishing machine with a sophisticated control system. It can execute complex lapping and polishing routines while producing precise and ap or polish a wide range of materials to very tight specifications. O The LSP 12 is driven by three, variable speed motors for maximum process control flexibility. All three rotating machine components, the bottom plate, sun gear, and ring gear, are indepen- dently controlled. The top plate is fixed, suspended with a continuous wire. This unique suspension method (pat- ent pending) allows the top plate to fol low the movements of the bottom plate typically associated with run-out and uneven incoming part sizes more accurately than traditional dua face machine designs. As an option, a fourth motor is available for driving the top plate in orderto create a 4-way motion machine configuration. O The LSP 12 incorporates a hydrodynamic plain bearing to support the bottom plate. This unique design virtually eliminates both plate run-out and vibration that are typically associated with ball bearing or table bearing designs. This system levitates the bottom plate with hydraulic force, ensuring minimal bearing deformation under load. O The machine is operated through a graphical interface to a programmable controller. The custom designed software prompts the operator for specific operating parameters and stores up to 8 different lapping and polishing routines containing up to 20 different process steps which can be recalled for later use. O The six work carriers are gear driven for smooth action while processing fragile parts. Plate and carrier speeds and acceleration are precisely controlled through AC fre- quency inverters for gentle machine cycle start and end steps. The outer gear drive drops below the plate for the facilitation of machine loading and unloading. The top plate down pressure is continuously monitored and adjusted through the control system to maintain constant weight on the parts. O The machine is built on a heavy duty, cast and fabricated frame. Wetted parts and hardware are made from corrosion resistant materials. The entire head assembly is sup- ported by a heavy-duty fabricated bridge design. The overhead arm suspending the head assembly can be swung out of the way for easy lapping plate or polishing pad O Slurry is fed through the top plate by a variable speed, peristaltic pumping system. A propeller type agitator keeps the abrasive suspended until use. O A part thickness sizing device to automatically shut off the machine, a water rinse at the end of each run to assist in cleaning, and 316 Stainless Steel wetted components are also available options. O Custom lapping and polishing plates are available upon request, as are specia electrical services. Each machine comes complete with a set of four conditioning gears, a flatness gauge, and a starter kit of abrasive, vehicle, and carriers.

MODEL LSP-12 STANDARD FEATURES process o Programmable interface.controller with graphical user top plate control o Pneumatic monitoring. with precise in-process o Top plate wire suspension system. o Bottom plate hydrodynamic plain bearing system. o In-process lap plate flattening. o Three, independently controlled lapping/ polishing plate and carrier drives. distribution system with o Abrasive slurryagitator, variable speed propeller type pump. Retractable ring gear for loading and unloading. Adjustable sun gear Corrosion-resistant wetted parts and hardware. Retractable ring gear for loading...