MiniDrill for FinFan applications
MiniDrill FinFan is a unique machining platform designed to safely perform the repair or increse the FinFan Cooler plug thread and other operations on heat exchangers, boilers and similar thermal exchange equipment.
Designed with operator safety in mind, this system can drill, ream, bore and even re-machine serrations in steam drums quickly and safely. With a 80 mm (3.150”) travel, this tool is ideally suited for the majority of plant equipment.
The system is fully torque reacted with 2 clamping arms that are independent of one another and can accommodate most pitch configurations. Once locked into the tubes, the MiniDrill is extremely stable.
MiniDrill DRILLING
Drill for machining holes in tube plugs before removing them with KRAIS special plug removal tool.
MiniDrill CHAMFERING
Special head for chamfering holes before threading.
MiniDrill THREADING
Tap with manual ratchet handle.
CUSTOM JAWS
Jaws are the with thread shape for safe locking and prevent the the existing thread.
MiniDrill FINFAN LOCKING
On standard FinFan gas coolers MiniDrill locks onto two shafts on the adjacent holes. The locking plate is manufactured according to the tube holes pitch to ensure precise tool alignment.
MiniDrill LOCKING PLATE
MiniDrill for FinFan applications is delivered with custom locking plate and 2 reaction shafts. Universal construction of the plate allows for locking machine with both shafts on one side to allow to machine the last holes in the row. Plate can be rotated through 180 degrees to accommodatepartition plates, channel heads etc.
