The main component of knitting slot machine is "neilsbed" and there are lots of minute needle slots used to place needles.

针织槽要部件为“针床”，长方形针床钢（针）槽间开有许多细密“针槽”，用于安装放置“织针”。

Needle slot on the neilsbed armor plate is usually milled one by one by milling machine controlled manually.

针床钢针槽通常是由人工控制用铣床一条条铣出来，费工费时，铣槽精度低。