For wooden door routering, an auto tool change cnc router is a good choice but the price is high, and unless it is 4 axis, or it is also not good for side milling.
Now simple ATC cnc router widely used in this field. Usually 3 spindles with 3 different bits. This cnc router machine is also the automatic tool change cnc router, pneumatic changing tools, high changing speed with high precision. Three tools auto tool change, functional with great cost-performance. It can finish various processes one time including drilling, edge cutting, engraving, slotting, and lock hole making and expanding for the wooden door panels with complicated processing requirement. It is widely for interior door making.
If you need the machine also mill the hinge at the side for the door. On the base of normal wood cnc router, we can add a horizontal spindle to the machine, which two sides can fix cutter bits for side drilling or milling.
Latest, simple auto tool changer cnc router with rotating spindle for wooden door making becomes very popular.
The simple auto tool changer cnc router have 3 spindle motors, middle spindle can rotate ±90 degree. It is very convenient for door side hole drilling and milling hinge hole. 3 spindles can be fixed with 3 different kind of cutter bits, auto tool change by CAM program, very fast for door processing.
It can carve on the door surface, cut the door lock holes, mill side position for hinges.