SBD-C series safety brake
Model Meaning
Appearance and installation dimensions
Installation diagram
Braking torque: M=μ × d1 × F (Nm)
In the formula: μ - friction coefficient calculation value μ=0.35
d1- Calculate the friction diameter of the brake disc, d1=D-220 (mm)
F-total clamping force during braking (KN)
Note: 1) D-brake disc diameter D ≥ 1800 (mm)
2) d2- Maximum allowable outer diameter of the drum or connecting hub, d2=D-500(mm)
Size table
|
Model |
Amax |
A1 |
|
SBD 250-C |
595 |
378 |
|
SBD 365-C |
790 |
570 |
|
SBD 425-C |
790 |
570 |
SBD series safety brake data parameters
|
Product model |
Rated clamping force |
Braking force |
Unilateral tile setback distance |
Working pressure of oil cylinder |
Oil cylinder opening oil volume |
Weight |
|
SBD250-C |
250 |
180 |
1-2 |
8 |
275 |
660 |
|
SBD365-C |
365 |
262 |
1-2 |
8 |
275 |
720 |
|
SBD425-C |
425 |
306 |
1-2 |
9.5 |
275 |
730 |
Note: 1)The SBD250-C, SBD365-C, and SBD425-C series safety brakes are the original models of SBB250, SBB365, and SBB425 series safety brakes. 2) Friction coefficient=0.35
Product Introduction
The SBD-C series safety brake is a hydraulic driven normally closed high-power braking device, mainly used for low-speed shaft braking, in compliance with JB/T 10917-2008 standard. Adopting a normally closed design, relying on a specially designed disc spring to apply force and brake, and releasing through hydraulic drive. During normal operation, the hydraulic system provides pressure to compress the disc spring and release the brake; When the hydraulic system loses pressure or an emergency situation occurs, the disc spring releases energy, pushing the brake components to tightly hold the brake disc and achieve braking. Suitable for brake disc diameter ≥ 1800mm, braking force of 108kN-306kN, and cylinder working pressure of 9.5MPa or 8MPa.
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