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Lapping Machines

BM400 Lapping machine Video tutorial


The BM 400/400-R lapping machine is designed specifically for profiled hard-metal inserts, as it has a fixed mechanical aluminium chuck onto which our special high power open-field magnetic chuck is affixed. This special magnetic chuck has a magnetic force 10 times stronger than that of a conventional magnetic chuck and therefore holds firmly the hard-metal inserts to be lapped.
The BM 400-R lapping machine features a switch for shortening the carriage run and an external tank with pump supplied as standard.
MVM offers a full range of accessories, thereby making the BM 400/400-R a complete lapping machine solution.

Technical features of the BM 400/400-R Lapping machines :

  • Automatic grinding wheel down-feed unit; automatic stop at preset level.
  • Tilting head to grind hollow surfaces;
  • Carriage run guides covered with replaceable hardened steel guides;
  • Chain driven carriage;
  • Aluminium chuck for mechanical fixing. Chuck width 70 mm, length 400 mm.


  • Base;
  • Magnetic chuck for hard metal inserts;
  • Diamond wheel;
  • Rubber bellow protection covers.

lapping machine BM 400/400-R model grinder BM 400/400-R model grinderBM 400/400-R lapping machine