HyperMill 56

KRAIS Tube Expanders

Powerful pneumatic tube facing, bevelling and weld removal machine. The HyperMill 56 is a rugged, fast, portable weld end preparation lathe for various tubes and pipes, including stainless steel and other high chromium materials. A standard machine is equipped with a solid locking system to cover most common tube sizes.

Standard working range

APPLICATION RANGE STANDARD LOCKING
30 – 136 mm 30 – 136 mm
0,866 – 5,039” 1,180 – 5,039”

Motor parameters

FEED STROKE FREE SPEED POWER TORQUE
40 mm 1,6” 55 Rpm 1,3 Hp 280 Nm 210 Ft.Lbs
Air use: 55 cfm 1,3 m3/ min Body width: 3,22” 82 mm
Body height: 15” 385 mm Body weight: 19 Lbs 9 kg

Standard set up

KRAIS Tube Expanders

135 MM (5,3”)

The large cutter head, very sturdy and rigid, designed to fasten the wide range of cutting inserts.

KRAIS Tube Expanders

SHAFT30

Self-align, heavy duty locking system. Shafts and jaws are longer and wider to ensure maximum clamping force.

Locking ranges with standard set up

SHAFT: SHAFT30

RANGE [MM] RANGE [INCH] JAWS EXT SPRING
MIN MAX MIN MAX NR QTY
30,0 34,0 1,181 1,339 NS-1 SP-29 1
34,0 39,0 1,339 1,535 NS-2 SP-29 1
39,0 44,0 1,535 1,732 NS-3 SP-30 2
44,0 49,0 1,732 1,929 NS-4 SP-30 2
49,0 54,0 1,929 2,126 NS-5 SP-30 2
54,0 59,0 2,126 2,323 NS-6 SP-30 2
59,0 64,0 2,323 2,520 NS-7 SP-30 2
64,0 69,0 2,520 2,717 NS-8 SP-30 2
66,0 71,0 2,598 2,795 NS-5 NS-10 SP-30 2
71,0 76,0 2,795 2,992 NS-6 NS-10 SP-30 2
76,0 81,0 2,992 3,189 NS-7 NS-10 SP-30 2
81,0 86,0 3,189 3,386 NS-8 NS-10 SP-30 2
86,0 91,0 3,386 3,583 NS-5 NS-20 SP-30 2
91,0 96,0 3,583 3,780 NS-6 NS-20 SP-30 2
96,0 101,0 3,780 3,976 NS-7 NS-20 SP-30 2
101,0 106,0 3,976 4,173 NS-8 NS-20 SP-30 2
106,0 111,0 4,173 4,370 NS-5 NS-30 SP-30 2
111,0 116,0 4,370 4,567 NS-6 NS-30 SP-30 2
116,0 121,0 4,567 4,764 NS-7 NS-30 SP-30 2
121,0 126,0 4,764 4,961 NS-8 NS-30 SP-30 2
126,0 131,0 4,961 5,157 NS-5 NS-40 SP-30 2
131,0 136,0 5,157 5,354 NS-6 NS-40 SP-30 2

Optional heads

KRAIS Tube Expanders

116 MM (4,56”)

The large cutter head, designed to fasten the wide range of cutting inserts.

KRAIS Tube Expanders

175 MM (6,89”)

Cutter head special for the largest machines, designed to fasten the wide range of cutting inserts.

KRAIS Tube Expanders

MMRBMH

Head for membrane and overlay removal. Efficiently remove material between boiler tubes.

Go to datasheet.

Optional shafts

KRAIS Tube Expanders

SHAFT20

Self-align, heavy duty locking system. Shafts and jaws are longer and wider to ensure maximum clamping force.

KRAIS Tube Expanders

SHAFT25

Self-align, heavy duty locking system. Shafts and jaws are longer and wider to ensure maximum clamping force.

Other optional accessories

KRAIS Tube Expanders

SPEED ADJUSTMENT VALVE SAV-500

The solution for all pneumatic drove beveling machines. Allows adjusting cutting speed to suit to the machined tube diameter.

KRAIS Tube Expanders

SPEED REDUCER

Easy to use gearbox for 3x speed reduction. Increases the torque, enabling the machine to generate a thick chip whilst reducing the cutting time.

KRAIS Tube Expanders

HEAD FLANGE

Adapter to use all MiniMill’s special cutter heads (from size 1-1/2” and up).

KRAIS Tube Expanders

RATCHET FEED

Feed system allowing to work in narrow and tight locations, eg. in water walls.

Locking ranges

SHAFT: SHAFT30 (OPTIONAL RANGE)

RANGE [MM] RANGE [INCH] JAWS EXT SPRING
MIN MAX MIN MAX NR QTY
136,0 141,0 5,354 5,551 NS-7 NS-40 SP-30 2
141,0 146,0 5,551 5,748 NS-8 NS-40 SP-30 2
146,0 151,0 5,748 5,945 NS-5 NS-50 SP-30 2
151,0 156,0 5,945 6,142 NS-6 NS-50 SP-30 2
156,0 161,0 6,142 6,339 NS-7 NS-50 SP-30 2
161,0 166,0 6,339 6,535 NS-8 NS-50 SP-30 2

SHAFT: SHAFT25

RANGE [MM] RANGE [INCH] JAWS EXT. SPRING
MIN MAX MIN MAX NR QTY.
25 30 0,984 1,181 NS-1 SP-24 1
30 35 1,181 1,378 NS-2 SP-24 1
35 40 1,378 1,575 NS-3 SP-25 2
40 45 1,575 1,772 NS-4 SP-25 2
45 50 1,772 1,969 NS-5 SP-25 2
50 55 1,969 2,165 NS-6 SP-25 2
55 60 2,165 2,362 NS-7 SP-25 2
60 65 2,362 2,559 NS-8 SP-25 2
62 67 2,441 2,638 NS-5 NS-10 SP-25 2
67 72 2,638 2,835 NS-6 NS-10 SP-25 2
72 77 2,835 3,031 NS-7 NS-10 SP-25 2
77 82 3,031 3,228 NS-8 NS-10 SP-25 2
82 87 3,228 3,425 NS-5 NS-20 SP-25 2
87 92 3,425 3,622 NS-6 NS-20 SP-25 2
92 97 3,622 3,819 NS-7 NS-20 SP-25 2
97 102 3,819 4,016 NS-8 NS-20 SP-25 2

SHAFT: SHAFT20

RANGE [MM] RANGE [INCH] JAWS EXT. SPRING
MIN MAX MIN MAX NR QTY.
20,0 24,0 0,787 0,945 NS-0 SP-19 1
24,0 28,0 0,945 1,102 NS-1 SP-19 1
28,0 33,0 1,102 1,299 NS-2 SP-19 1
33,0 38,0 1,299 1,496 NS-3 SP-20 2

Example tool application