Twiflex GMR-SH Quick Start Manual

GMR-SH & GMR40-SH Disc Brake Caliper - Spring Applied, Hydraulically Released
Nominal dimensions given.
For specific dimensions please
contact Twiflex.
For GMR Mk 2 caliper details see DB 3604
Disc Diameter mm
0
10
20
30
40
50
60
70
80
90
100
110
0 2 4 6 8
The ratings shown on the above graph are based on fully bedded and conditioned brake pads. For bedding in
and conditioning procedures see Publication M1060.
Braking Force is defined as the Tangential Force acting on the brake disc at the Effective Disc Radius.
Braking Torque (Nm) = Braking Force (N) x Effective Disc Radius (m)
where Effective Disc Radius = Actual Disc Radius- 0.06
Brake Disc
25.4 (GMR)
38/40 (GMR40)
Disc Centre Line
87
610 760 915 1065 1220
Minimum Pressure for Full Retraction 120 bar
Maximum Pressure 150 bar
10 12 14 16 18 20
Braking Torque kNm
45 193
40 To Edge of Disc
170 Mounting Hole CRS 17
1370 1525 1830
22 24 26 28 30
3 Holes ø 17
for M16 Mounting Bolts
Note:
The caliper may be assembled as
drawn (right hand assembly) or with
arms and thruster oppositely handed.
32
DB4605