Robinson Rydale ST Semi Automatic Stair Trencher with Plunging Head

Machines a pair of strings in one operation
No setting out or marking of strings and no pitch board required
Pneumatic workpiece cramps
Automatic pneumatic movement to pitch settings
Top and bottom cutterheads are arranged to jump in and out to facilatate open plan stairs.

Max size of string board 300mm x 50mm
High rpm spindles through frequency changer
Cuts a pair of open flight strings in approximately 4 minutes