SmartMill-7

KRAIS Tube Expanders

Most powerful machine within this size range on the market today. Utilizes a powerful 2.2 kW (3 HP) pneumatic motor that is entirely engineered and manufactured by KRAIS. SmartMill-7 has a unique construction that has been specifically designed for the largest end prep systems.

• Self-centering 40 mm (1,57”) one piece locking
shaft.
• Only one mandrel and 6 Jaw sets needed to
cover machines entire range.
• Wide clamps produce superior clamping force
for chatter free end preps.
• Fully portable for on-site and Fab-shop work.

SmartMill-7 is available for sale or rent.

Standard working range

APPLICATION RANGE LOCKING RANGE
40 - 219 mm 40 - 203,5 mm
1,574 - 8,622” 1,574 - 8,012””

Motor parameters

FEED STROKE POWER FREE SPEED TORQUE
50 mm 2” 39 Rpm 3,0 hp 930 Nm 697 Ft.Lbs
Air use: 75 cfm 2,2 m3/min Air pressure: 90 PSI 6,2 Bar
Body weight: 46 Lbs 21 kg Body dimensions 22 x 9,25 x 7,48” 560 x 235 x 190 mm

Locking ranges with standard jaws

JAWS: SM-7

RANGE [MM] RANGE [INCH] SEGMENTS
MIN MAX MIN MAX SM-42-0 SM-42-1 SM-42-A
40,0 55,0 1,575 2,165 SM-42-0
55,0 69,5 2,165 2,736 SM-42-1
69,5 84,0 2,736 3,307 SM-42-1 ML-42-A-75
84,0 98,5 3,307 3,878 SM-42-1 ML-42-A-150
98,5 113,5 3,878 4,469 SM-42-1 ML-42-A-225
113,5 128,5 4,469 5,059 SM-42-1 ML-42-A-300
128,5 143,5 5,059 5,650 SM-42-1 ML-42-A-300
ML-42-A-75
143,5 158,5 5,650 6,240 SM-42-1 ML-42-A-300
ML-42-A-150
158,5 173,5 6,240 6,831 SM-42-1 ML-42-A-300
ML-42-A-225
173,5 188,5 6,831 7,421 SM-42-1 ML-42-A-300
ML-42-A-225
ML-42-A-75
188,5 203,5 7,421 8,012 SM-42-1 ML-42-A-300
ML-42-A-225
ML-42-A-150

Advantages of SmartMill-7

KRAIS Tube Expanders

Unique shaft design

40 mm (1,57”) shaft, assures rigidity when machining heavy wall pipe. Only 6 set of jaws needed to cover the full locking range.

Powerful motor unit

SmartMill-7 is powered by powerful and efficient drives dedicated for our Lathe series beveling machines. 39 rpm and 930 Nm (697 Ft.Lbs) torque on the cutter blade is a standard feature.

KRAIS Tube Expanders

Heavy duty handle

Machine is equipped with a solid and convenient aluminium handle.

KRAIS Tube Expanders

Lightweight and portable

The innovative design made it possible to produce lightweight and portable machine. Small weight of SmartMill-7 allows for fatigue-free  operation in all conditions.

Other accessories

KRAIS Tube Expanders

RIGHT ANGLE HEAD

This right angle head allows for fastening drive in alternate positions. The useful option in tight spaces.

SmartMill performance

The performance of the machine may vary depending on the skill of the operator, the materials, the conditions of the tools and the air supply system in case of pneumatic unit.