Babban fasali na karfe sandar dumama kayan aiki:

1. Ayyukan samarwa mai sauƙi, ciyarwa mai sauƙi da fitarwa, babban digiri na aiki da kai, da kuma samar da kan layi za a iya gane;

2. The workpiece yana da sauri dumama gudun, m hadawan abu da iskar shaka da decarburization, high dace, kuma mai kyau ƙirƙira ingancin;

3. Tsawon dumama, saurin gudu da zafin jiki na workpiece za a iya sarrafa shi daidai;

4. The workpiece ne mai tsanani uniformly, da zazzabi bambanci tsakanin core da surface ne kananan, da kuma kula daidaito ne high;

5. Ƙarfe na induction dumama tanderu ya dace da bukatun kare muhalli, yana da ƙarancin gurɓataccen gurɓatawa, kuma yana rage ƙarfin aiki na ma’aikata.