KRAIS Tube Expanders

Auto MiniMill 101P/301P is a fully automatic machine, controlled by a built-in, fully pneumatic control box, with adjustable feed rate and actuated by a hand button (foot switch optional). Ideal for repetitive work cycles on condensers and heat exchangers, as well as for bevelling and facing boiler tubes (100/300 Rpm configuration). AutoMiniMIll 101P/301P is specially designed for trimming and weld removal. This tool is based on the MiniMill 101/301; it is a fast facing and end preparation lathe designed for various tubes including stainless and other high chromium alloys. It works with all MiniMill 301 compatible cutter heads.

Standard working range

Auto MiniMill 101P

APPLICATION RANGE STANDARD LOCKING
25 – 89 mm 25 – 77 mm
0,984 – 3,504” 0,984 – 3,031”

Auto MiniMill 301P

APPLICATION RANGE STANDARD LOCKING
12,4 – 38,0 mm 12,4 – 24,0 mm
0,488 – 1,496” 0,488 – 0,945”

Motor parameters

Auto MiniMill 101P

FEED STROKE FREE SPEED POWER TORQUE
20 mm 0,787” 100 Rpm 1,3 Hp 140 Nm 105 Ft.Lbs
Air use: 55 cfm 1,3 m3/ min Body width: 2,32” 59 mm
Body height: 13,1” 335 mm Body weight: 25 Lbs 11,5 kg

Auto MiniMill 301P

FEED STROKE FREE SPEED POWER TORQUE
20 mm 0,787” 300 Rpm 1,3 Hp 43 Nm 32 Ft.Lbs
Air use: 55 cfm 1,3 m3/ min Body width: 2,32” 59 mm
Body height: 13,1” 335 mm Body weight: 25 Lbs 11,5 kg

Standard set up

KRAIS Tube Expanders

TFMH

Tube facing milling head for tubes made of any type of material. Utilizes 6% cobalt inserts.

Go to datasheet.

Other

KRAIS Tube Expanders

SAV-500 SPEED ADJUSTMENT VALVE

Perfect solution for all our pneumatic driven bevelling machines for adjusting cutting speed to suit to the machined tube diameter.

Example tool application