Technical performance and feature
● It’s suitable to lap seating surfaces of gate and seat ring.
● A lapping movement of gate and seat ring is either revolution or rotation.
Its surface roughness reaches Ra 0.8 μ and tightness ≥80%
● Easy, simple and reliable operation. A person can operate several lapping
machines with a high efficiency.
JWM type wedge planet lapping machine (outline schematic figure)