Raise Boring Roller Cutter MDV612 & MDV622

No.

Model No.

Model Description

Tooth Row Quantity

Taper

Features

1

MDV612

MDV622

• MD : Maxdrill
• V : Raise Boring Roller Cutter
• 6 : 6 teeth row
• 12 : cutter shape         

(low end double row teeth)

• 22 : cutter shape       

(high end double row teeth)

6

20°

High quality metal sealing

Using high quality tungsten carbide teeth,so as to achieve the full coverage of crushing

Chisel on main alloy teeth,Ovoid on lug,matching use on cutters

Can be repairable and customized

No.

Used Parameters

MDV612

MDV622

1

Suitable Rock Hardness

Platts Hardness f≤12

Platts Hardness f≤12

2

Recommended single cutter drilling pressure

100KN-170KN

100KN-170KN

3

Max withstand drilling pressure

196KN

196KN

4

Recommended cutter head rotating speed

3 - 15 RPM

3 - 15 RPM

5

Max line speed

90M/min

90M/min