 |
| MINING |
|
|
| TUNNELING |
|
| CONSTRUCTION INDUSTRY |
|
|
 |
93104407 |
|
 |
RESIN BOLTS
RM-18 resin bolts
Intended use
- RM-18 resin bolts are designed to be used for roof and ribs support in mine working areas as an independent or roof additional support system. They are also used for the suspension of various components of mining equipment.
Technical description
-
Anchor rods are ribbed reinforcing bars of dr=18,2 mm made of AP 600 steel according to ZN-95/AP-3 standard.
RM rods can be divided into the following types:
| Bolt type |
Rod type - standard rod |
Rod type - two-part rod |
| RM-18 |
RM-18js
RM-18r
RM-18js-k
|
RM-18js-dz
RM-18r-dz
RM-18js-k-dz
RM-18r-k-dz
|
„k” mark means that the nut is connected with the rod by means of ø3 or ø6 "SPIROL" pin.
„dz” means that the rod is made of two sections connected with a coupling M20 sleeve of 55 mm in length.
| Bolt type |
Rod type - standard rod |
Rod type - two-part rod |
| RMn-18 |
RMn-18js-k |
RMn-18js-k-dz
RMn-18r-k-dz
|
RMn rods are designed to be used in low roof working areas.
- The following washers can be used with the bolts: square, square with a side hole, round, triangle or octagonal.
The washers differ in terms of press forming method and thickness.
The hole may be conical or flat.
Washers with a side hole of ø15 can be used for suspending elements of mining equipment.
All washers are made of 6 mm metal plate.
- 3 x 100 x100 or 3 x ø90 washer and M20 nut are used to fasten the mesh.
Technical data
| Rod diameter |
dr = 18,2 mm |
| Thread size |
M20 |
| Thread length |
150 or 80 mm |
| Rod length |
from 1270 to 8070 mm |
| Torque shearing the ø3 pin |
80 ÷ 120 Nm |
| Torque shearing the ø6 "SPIROL" pin - (light) |
40 ÷ 60 Nm |
| Torque shearing the ø6 "SPIROL" pin - (medium) |
90 ÷ 120 Nm |
| Torque shearing the ø6 "SPIROL" pin - (heavy) |
140 ÷ 160 Nm |
| Coupling sleeve: |
| Sleeve diameter |
ø 25 mm |
| Thread size |
M20 |
| Sleeve length |
55 mm |
| Bolt capacity required by regulations |
120 kN |
| Effective bolt capacity |
170 kN |
Installation procedure
- Drill a hole of the same length as the rod.
Place the resin cartridges in the bore hole. Insert the rod and rotate while pushing causing the resin to mix. Leave the in the hole until the mixture has cured.
While inserting the „k” rod the nut does not turn as it is joined with the rod by means of a ø3 or ø6 pin. After the resin has set, the pin is sheared by turning the nut.
While applying the „k” rod, the rod should be inserted to the hole with the bearing washer on.
In the case of a two-part rod, the rod should be connected with a M20 coupling sleeve.
Tighten the M20 nut applying torque strength of at least 30 kN.
While fitting the mesh, it should be fastened with an auxiliary washer and M20nut..
RM-18 adhesive anchor has Certificate of Conformity No. 64/2005 issued by “INOVA” Technical Innovation Centre Ltd. in Lubin.
|
|
