TWZ(B) Series Normally Open Operated Drum Brake
Purpose and Main Characteristics：
-
Mainly applicable to the deceleration and braking of operating mechanisms for various small and medium-sized cranes in lifting, transportation, metallurgy, mining, port and dock, and engineering machinery sectors.
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The mounting dimensions of TWZ type conform to JB/ZQ4388-1997, while those of TWZ(B) products comply with German standard DIN 15435 and JB/T7021-2006.
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The interlocking equal-clearance device maintains consistent clearance between the two brake linings during operation, completely eliminating the issue of one brake lining rubbing against the brake wheel due to uneven clearance.
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Self-lubricating bearings are fitted at the main swing hinge points, featuring high transmission efficiency and no need for additional lubrication during service.
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The brake linings adopt a plug-in installation structure, ensuring safe and reliable performance as well as quick and easy replacement.
Model Designation
Main Technical Parameters and Overall Dimensions
|
Brake model |
Maximum control force (N) |
Maximum braking torque (N.m) |
A |
b |
D |
d |
d1 |
E |
F |
G1 |
G2 |
H |
h1 |
i |
K |
n |
Weight (kg) |
|
TWZ-200 |
320 |
230 |
325 |
90 |
200 |
18 |
4 |
205 |
100 |
210 |
265 |
460 |
170 |
60 |
175 190 |
8 |
25 |
|
TWZB-200 |
320 |
200 |
325 |
70 |
14 |
4 |
205 |
90 |
165 |
225 |
450 |
160 |
55 |
145 |
10 |
23 |
|
|
TWZ-300 |
370 |
500 |
405 |
140 |
300 |
22 |
4 |
290 |
130 |
300 |
300 |
600 |
240 |
80 |
250 270 |
12 |
60 |
|
TWZB-315 |
370 |
500 |
405 |
110 |
315 |
18 |
4 |
290 |
115 |
245 |
300 |
590 |
230 |
80 |
220 |
12 |
63 |
Note:
- Please specify when ordering products with dimensional parameters indicated in parentheses.
- Specific models, structural designs and overall dimensions are subject to change without notice.
Product Overview
The TWZ(B) Series Normally Open Drum Brake is a foot and manually operated braking device, primarily applied to the deceleration and braking of operating mechanisms for medium and large cranes. Mounting dimensions of TWZ products conform to JB/ZQ4388-2006, while those of TWZ(B) products comply with German standard DIN 15435 and JB/T7021-2006. Common models include TWZ-200, TWZB-200, TWZ-300, TWZB-315, etc., which can satisfy the application requirements of various users and equipment.
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