Cast Iron Lapping Plate

3 x 5 and 8 x 8 hand lapping plates are solid cast iron.

Cast iron lapping plate. Lapping plate generally supplied with 2x2 mm serrations. Higher grades also offered on request. The most commonly used plate. Made from good quality close grained high density alloyed cast iron castings conforming to grade fg 220 of is.

Gives improved flat polished surfaces on many materials. For general purpose stock removal and lapping applications. Supplied with a cast iron backing plate for maximum stability. A cross hatched pattern is common on cast iron hand lapping plates and dual face machine plates and gives increased stock removal rates due to the additional cutting edges generated on each groove.

The material being lapped will determine the lapping plate material. Made from close grained plain cast iron conforming to grade fg. Lapping platepolishing plate material selection. We provide our clients with qualitative cast iron lapping plates that are used for accurate hand lapping of various materials like nylon plastics ceramics and other non ferrous material.

The corrosive strength of the polishing slurry will determine which pad polishing plate to use. 210 equivalent to gg20 ft20 30 a. All other hand lapping plates are heavily ribbed cast iron and are available in general purpose grade flatness 0005 per linear foot or precision grade flatness 0002 per linear foot. The great majority 95 of all material is lapped on cast iron.

Lapping plate overview. 001 per linear foot. All of our plates are designed to provide optimum surface finish whilst maximising the plate lifespan. These cast iron lapping plates are available in round and rectangular sizes and have 3 mm wide and 3 mm deep serrations on working surface equally spaced at 25 mm.

Stress relieved hand scraped surface. The exceptions to this statement are some semiconductor materials. Lapping plates are extensively used for accurate hand lapping of ferrous non ferrous parts to obtain a perfect oil tight surface.